commit 1143075e17ab4745e21bbacd89719cc1ba201fa3
Author: Dávid Danyi <david.danyi@ericsson.com>
Date:   Fri Apr 6 23:00:37 2018 +0200

    * initial commit

diff --git a/.gitignore b/.gitignore
new file mode 100644
index 0000000..4da80f1
--- /dev/null
+++ b/.gitignore
@@ -0,0 +1,7 @@
+.idea
+composer.phar
+
+clover.xml
+coveralls-upload.json
+phpunit.xml
+vendor/
diff --git a/bin/clear-config-cache.php b/bin/clear-config-cache.php
new file mode 100644
index 0000000..60e92e1
--- /dev/null
+++ b/bin/clear-config-cache.php
@@ -0,0 +1,48 @@
+<?php
+/**
+ * Script for clearing the configuration cache.
+ *
+ * Can also be invoked as `composer clear-config-cache`.
+ *
+ * @see       https://github.com/zendframework/zend-expressive-skeleton for the canonical source repository
+ * @copyright Copyright (c) 2017 Zend Technologies USA Inc. (http://www.zend.com)
+ * @license   https://github.com/zendframework/zend-expressive-skeleton/blob/master/LICENSE.md New BSD License
+ */
+
+declare(strict_types=1);
+
+chdir(__DIR__ . '/../');
+
+require 'vendor/autoload.php';
+
+$config = include 'config/config.php';
+
+if (! isset($config['config_cache_path'])) {
+    echo "No configuration cache path found" . PHP_EOL;
+    exit(0);
+}
+
+if (! file_exists($config['config_cache_path'])) {
+    printf(
+        "Configured config cache file '%s' not found%s",
+        $config['config_cache_path'],
+        PHP_EOL
+    );
+    exit(0);
+}
+
+if (false === unlink($config['config_cache_path'])) {
+    printf(
+        "Error removing config cache file '%s'%s",
+        $config['config_cache_path'],
+        PHP_EOL
+    );
+    exit(1);
+}
+
+printf(
+    "Removed configured config cache file '%s'%s",
+    $config['config_cache_path'],
+    PHP_EOL
+);
+exit(0);
diff --git a/bin/cli b/bin/cli
new file mode 100755
index 0000000..912da3e
--- /dev/null
+++ b/bin/cli
@@ -0,0 +1,17 @@
+#!/usr/bin/php
+<?php
+
+require __DIR__ . '/../vendor/autoload.php';
+
+use Symfony\Component\Console\Application;
+
+/** @var \Interop\Container\ContainerInterface $container */
+$container = require __DIR__ . '/../config/container.php';
+$application = new Application('Application console');
+
+$commands = $container->get('config')['console']['commands'];
+foreach ($commands as $command) {
+    $application->add($container->get($command));
+}
+
+$application->run();
diff --git a/cli-config.php b/cli-config.php
new file mode 100644
index 0000000..92a0dbd
--- /dev/null
+++ b/cli-config.php
@@ -0,0 +1,9 @@
+<?php
+
+$container = require 'config/container.php';
+
+return new \Symfony\Component\Console\Helper\HelperSet([
+    'em' => new \Doctrine\ORM\Tools\Console\Helper\EntityManagerHelper(
+        $container->get('doctrine.entity_manager.orm_default')
+    ),
+]);
diff --git a/composer.json b/composer.json
new file mode 100644
index 0000000..3e3fe97
--- /dev/null
+++ b/composer.json
@@ -0,0 +1,99 @@
+{
+    "name": "zendframework/zend-expressive-skeleton",
+    "description": "Zend expressive skeleton. Begin developing PSR-15 middleware applications in seconds!",
+    "type": "project",
+    "homepage": "https://github.com/zendframework/zend-expressive-skeleton",
+    "license": "BSD-3-Clause",
+    "keywords": [
+        "skeleton",
+        "middleware",
+        "psr",
+        "psr-7",
+        "psr-11",
+        "psr-15",
+        "zf",
+        "zendframework",
+        "zend-expressive"
+    ],
+    "config": {
+        "sort-packages": true
+    },
+    "extra": {
+        "zf": {
+            "component-whitelist": [
+                "zendframework/zend-expressive",
+                "zendframework/zend-expressive-helpers",
+                "zendframework/zend-expressive-router",
+                "zendframework/zend-httphandlerrunner",
+                "zendframework/zend-expressive-fastroute"
+            ]
+        }
+    },
+    "support": {
+        "issues": "https://github.com/zendframework/zend-expressive-skeleton/issues",
+        "source": "https://github.com/zendframework/zend-expressive-skeleton",
+        "rss": "https://github.com/zendframework/zend-expressive-skeleton/releases.atom",
+        "slack": "https://zendframework-slack.herokuapp.com",
+        "forum": "https://discourse.zendframework.com/c/questions/expressive"
+    },
+    "require": {
+        "php": "^7.1",
+        "dasprid/container-interop-doctrine": "^1.1",
+        "doctrine/orm": "^2.6",
+        "gedmo/doctrine-extensions": "^2.4",
+        "roave/security-advisories": "dev-master",
+        "symfony/console": "^4.0",
+        "tuupola/cors-middleware": "^0.7.0",
+        "zendframework/zend-component-installer": "^2.1.1",
+        "zendframework/zend-config-aggregator": "^1.0",
+        "zendframework/zend-diactoros": "^1.7.1",
+        "zendframework/zend-expressive": "^3.0.1",
+        "zendframework/zend-expressive-fastroute": "^3.0",
+        "zendframework/zend-expressive-helpers": "^5.0",
+        "zendframework/zend-filter": "^2.7",
+        "zendframework/zend-form": "^2.11",
+        "zendframework/zend-hydrator": "^2.3",
+        "zendframework/zend-json": "^3.1",
+        "zendframework/zend-servicemanager": "^3.3",
+        "zendframework/zend-stdlib": "^3.1"
+    },
+    "require-dev": {
+        "phpunit/phpunit": "^7.0.1",
+        "squizlabs/php_codesniffer": "^2.9.1",
+        "zendframework/zend-expressive-tooling": "^1.0",
+        "zfcampus/zf-development-mode": "^3.1",
+        "filp/whoops": "^2.1.12"
+    },
+    "autoload": {
+        "psr-4": {
+            "App\\": "src/App/",
+            "DoctrineExpressiveModule\\": "src/DoctrineExpressiveModule/"
+        }
+    },
+    "autoload-dev": {
+        "psr-4": {
+            "AppTest\\": "test/AppTest/"
+        }
+    },
+    "scripts": {
+        "post-create-project-cmd": [
+            "@development-enable"
+        ],
+        "development-disable": "zf-development-mode disable",
+        "development-enable": "zf-development-mode enable",
+        "development-status": "zf-development-mode status",
+        "expressive": "expressive --ansi",
+        "check": [
+            "@cs-check",
+            "@test",
+            "@analyze"
+        ],
+        "analyze": "phpstan analyze -l max -c ./phpstan.installer.neon ./src ./config",
+        "clear-config-cache": "php bin/clear-config-cache.php",
+        "cs-check": "phpcs",
+        "cs-fix": "phpcbf",
+        "serve": "php -S 0.0.0.0:8080 -t public/",
+        "test": "phpunit --colors=always",
+        "test-coverage": "phpunit --colors=always --coverage-clover clover.xml"
+    }
+}
diff --git a/composer.lock b/composer.lock
new file mode 100644
index 0000000..d2f9e66
--- /dev/null
+++ b/composer.lock
@@ -0,0 +1,4736 @@
+{
+    "_readme": [
+        "This file locks the dependencies of your project to a known state",
+        "Read more about it at https://getcomposer.org/doc/01-basic-usage.md#composer-lock-the-lock-file",
+        "This file is @generated automatically"
+    ],
+    "content-hash": "f30cef69b43fa78cf3e1a64684b41ca4",
+    "packages": [
+        {
+            "name": "behat/transliterator",
+            "version": "v1.2.0",
+            "source": {
+                "type": "git",
+                "url": "https://github.com/Behat/Transliterator.git",
+                "reference": "826ce7e9c2a6664c0d1f381cbb38b1fb80a7ee2c"
+            },
+            "dist": {
+                "type": "zip",
+                "url": "https://api.github.com/repos/Behat/Transliterator/zipball/826ce7e9c2a6664c0d1f381cbb38b1fb80a7ee2c",
+                "reference": "826ce7e9c2a6664c0d1f381cbb38b1fb80a7ee2c",
+                "shasum": ""
+            },
+            "require": {
+                "php": ">=5.3.3"
+            },
+            "require-dev": {
+                "chuyskywalker/rolling-curl": "^3.1",
+                "php-yaoi/php-yaoi": "^1.0"
+            },
+            "type": "library",
+            "extra": {
+                "branch-alias": {
+                    "dev-master": "1.2-dev"
+                }
+            },
+            "autoload": {
+                "psr-0": {
+                    "Behat\\Transliterator": "src/"
+                }
+            },
+            "notification-url": "https://packagist.org/downloads/",
+            "license": [
+                "Artistic-1.0"
+            ],
+            "description": "String transliterator",
+            "keywords": [
+                "i18n",
+                "slug",
+                "transliterator"
+            ],
+            "time": "2017-04-04T11:38:05+00:00"
+        },
+        {
+            "name": "container-interop/container-interop",
+            "version": "1.2.0",
+            "source": {
+                "type": "git",
+                "url": "https://github.com/container-interop/container-interop.git",
+                "reference": "79cbf1341c22ec75643d841642dd5d6acd83bdb8"
+            },
+            "dist": {
+                "type": "zip",
+                "url": "https://api.github.com/repos/container-interop/container-interop/zipball/79cbf1341c22ec75643d841642dd5d6acd83bdb8",
+                "reference": "79cbf1341c22ec75643d841642dd5d6acd83bdb8",
+                "shasum": ""
+            },
+            "require": {
+                "psr/container": "^1.0"
+            },
+            "type": "library",
+            "autoload": {
+                "psr-4": {
+                    "Interop\\Container\\": "src/Interop/Container/"
+                }
+            },
+            "notification-url": "https://packagist.org/downloads/",
+            "license": [
+                "MIT"
+            ],
+            "description": "Promoting the interoperability of container objects (DIC, SL, etc.)",
+            "homepage": "https://github.com/container-interop/container-interop",
+            "time": "2017-02-14T19:40:03+00:00"
+        },
+        {
+            "name": "dasprid/container-interop-doctrine",
+            "version": "1.1.0",
+            "source": {
+                "type": "git",
+                "url": "https://github.com/DASPRiD/container-interop-doctrine.git",
+                "reference": "b9f3afc00ce997e469d7fdd6fed7b8d400763290"
+            },
+            "dist": {
+                "type": "zip",
+                "url": "https://api.github.com/repos/DASPRiD/container-interop-doctrine/zipball/b9f3afc00ce997e469d7fdd6fed7b8d400763290",
+                "reference": "b9f3afc00ce997e469d7fdd6fed7b8d400763290",
+                "shasum": ""
+            },
+            "require": {
+                "doctrine/common": "^2.6",
+                "doctrine/dbal": "^2.5",
+                "doctrine/orm": "^2.5",
+                "php": "^5.5|^7.0",
+                "psr/container": "^1.0.0"
+            },
+            "require-dev": {
+                "phpunit/phpunit": "^4.8",
+                "squizlabs/php_codesniffer": "^2.5"
+            },
+            "type": "library",
+            "autoload": {
+                "psr-4": {
+                    "ContainerInteropDoctrine\\": "src/"
+                }
+            },
+            "notification-url": "https://packagist.org/downloads/",
+            "license": [
+                "BSD-2-Clause"
+            ],
+            "description": "Doctrine factories for container-interop",
+            "homepage": "https://github.com/DASPRiD/container-interop-doctrine",
+            "time": "2018-01-24T23:25:49+00:00"
+        },
+        {
+            "name": "doctrine/annotations",
+            "version": "v1.6.0",
+            "source": {
+                "type": "git",
+                "url": "https://github.com/doctrine/annotations.git",
+                "reference": "c7f2050c68a9ab0bdb0f98567ec08d80ea7d24d5"
+            },
+            "dist": {
+                "type": "zip",
+                "url": "https://api.github.com/repos/doctrine/annotations/zipball/c7f2050c68a9ab0bdb0f98567ec08d80ea7d24d5",
+                "reference": "c7f2050c68a9ab0bdb0f98567ec08d80ea7d24d5",
+                "shasum": ""
+            },
+            "require": {
+                "doctrine/lexer": "1.*",
+                "php": "^7.1"
+            },
+            "require-dev": {
+                "doctrine/cache": "1.*",
+                "phpunit/phpunit": "^6.4"
+            },
+            "type": "library",
+            "extra": {
+                "branch-alias": {
+                    "dev-master": "1.6.x-dev"
+                }
+            },
+            "autoload": {
+                "psr-4": {
+                    "Doctrine\\Common\\Annotations\\": "lib/Doctrine/Common/Annotations"
+                }
+            },
+            "notification-url": "https://packagist.org/downloads/",
+            "license": [
+                "MIT"
+            ],
+            "authors": [
+                {
+                    "name": "Roman Borschel",
+                    "email": "roman@code-factory.org"
+                },
+                {
+                    "name": "Benjamin Eberlei",
+                    "email": "kontakt@beberlei.de"
+                },
+                {
+                    "name": "Guilherme Blanco",
+                    "email": "guilhermeblanco@gmail.com"
+                },
+                {
+                    "name": "Jonathan Wage",
+                    "email": "jonwage@gmail.com"
+                },
+                {
+                    "name": "Johannes Schmitt",
+                    "email": "schmittjoh@gmail.com"
+                }
+            ],
+            "description": "Docblock Annotations Parser",
+            "homepage": "http://www.doctrine-project.org",
+            "keywords": [
+                "annotations",
+                "docblock",
+                "parser"
+            ],
+            "time": "2017-12-06T07:11:42+00:00"
+        },
+        {
+            "name": "doctrine/cache",
+            "version": "v1.7.1",
+            "source": {
+                "type": "git",
+                "url": "https://github.com/doctrine/cache.git",
+                "reference": "b3217d58609e9c8e661cd41357a54d926c4a2a1a"
+            },
+            "dist": {
+                "type": "zip",
+                "url": "https://api.github.com/repos/doctrine/cache/zipball/b3217d58609e9c8e661cd41357a54d926c4a2a1a",
+                "reference": "b3217d58609e9c8e661cd41357a54d926c4a2a1a",
+                "shasum": ""
+            },
+            "require": {
+                "php": "~7.1"
+            },
+            "conflict": {
+                "doctrine/common": ">2.2,<2.4"
+            },
+            "require-dev": {
+                "alcaeus/mongo-php-adapter": "^1.1",
+                "mongodb/mongodb": "^1.1",
+                "phpunit/phpunit": "^5.7",
+                "predis/predis": "~1.0"
+            },
+            "suggest": {
+                "alcaeus/mongo-php-adapter": "Required to use legacy MongoDB driver"
+            },
+            "type": "library",
+            "extra": {
+                "branch-alias": {
+                    "dev-master": "1.7.x-dev"
+                }
+            },
+            "autoload": {
+                "psr-4": {
+                    "Doctrine\\Common\\Cache\\": "lib/Doctrine/Common/Cache"
+                }
+            },
+            "notification-url": "https://packagist.org/downloads/",
+            "license": [
+                "MIT"
+            ],
+            "authors": [
+                {
+                    "name": "Roman Borschel",
+                    "email": "roman@code-factory.org"
+                },
+                {
+                    "name": "Benjamin Eberlei",
+                    "email": "kontakt@beberlei.de"
+                },
+                {
+                    "name": "Guilherme Blanco",
+                    "email": "guilhermeblanco@gmail.com"
+                },
+                {
+                    "name": "Jonathan Wage",
+                    "email": "jonwage@gmail.com"
+                },
+                {
+                    "name": "Johannes Schmitt",
+                    "email": "schmittjoh@gmail.com"
+                }
+            ],
+            "description": "Caching library offering an object-oriented API for many cache backends",
+            "homepage": "http://www.doctrine-project.org",
+            "keywords": [
+                "cache",
+                "caching"
+            ],
+            "time": "2017-08-25T07:02:50+00:00"
+        },
+        {
+            "name": "doctrine/collections",
+            "version": "v1.5.0",
+            "source": {
+                "type": "git",
+                "url": "https://github.com/doctrine/collections.git",
+                "reference": "a01ee38fcd999f34d9bfbcee59dbda5105449cbf"
+            },
+            "dist": {
+                "type": "zip",
+                "url": "https://api.github.com/repos/doctrine/collections/zipball/a01ee38fcd999f34d9bfbcee59dbda5105449cbf",
+                "reference": "a01ee38fcd999f34d9bfbcee59dbda5105449cbf",
+                "shasum": ""
+            },
+            "require": {
+                "php": "^7.1"
+            },
+            "require-dev": {
+                "doctrine/coding-standard": "~0.1@dev",
+                "phpunit/phpunit": "^5.7"
+            },
+            "type": "library",
+            "extra": {
+                "branch-alias": {
+                    "dev-master": "1.3.x-dev"
+                }
+            },
+            "autoload": {
+                "psr-0": {
+                    "Doctrine\\Common\\Collections\\": "lib/"
+                }
+            },
+            "notification-url": "https://packagist.org/downloads/",
+            "license": [
+                "MIT"
+            ],
+            "authors": [
+                {
+                    "name": "Roman Borschel",
+                    "email": "roman@code-factory.org"
+                },
+                {
+                    "name": "Benjamin Eberlei",
+                    "email": "kontakt@beberlei.de"
+                },
+                {
+                    "name": "Guilherme Blanco",
+                    "email": "guilhermeblanco@gmail.com"
+                },
+                {
+                    "name": "Jonathan Wage",
+                    "email": "jonwage@gmail.com"
+                },
+                {
+                    "name": "Johannes Schmitt",
+                    "email": "schmittjoh@gmail.com"
+                }
+            ],
+            "description": "Collections Abstraction library",
+            "homepage": "http://www.doctrine-project.org",
+            "keywords": [
+                "array",
+                "collections",
+                "iterator"
+            ],
+            "time": "2017-07-22T10:37:32+00:00"
+        },
+        {
+            "name": "doctrine/common",
+            "version": "v2.8.1",
+            "source": {
+                "type": "git",
+                "url": "https://github.com/doctrine/common.git",
+                "reference": "f68c297ce6455e8fd794aa8ffaf9fa458f6ade66"
+            },
+            "dist": {
+                "type": "zip",
+                "url": "https://api.github.com/repos/doctrine/common/zipball/f68c297ce6455e8fd794aa8ffaf9fa458f6ade66",
+                "reference": "f68c297ce6455e8fd794aa8ffaf9fa458f6ade66",
+                "shasum": ""
+            },
+            "require": {
+                "doctrine/annotations": "1.*",
+                "doctrine/cache": "1.*",
+                "doctrine/collections": "1.*",
+                "doctrine/inflector": "1.*",
+                "doctrine/lexer": "1.*",
+                "php": "~7.1"
+            },
+            "require-dev": {
+                "phpunit/phpunit": "^5.7"
+            },
+            "type": "library",
+            "extra": {
+                "branch-alias": {
+                    "dev-master": "2.8.x-dev"
+                }
+            },
+            "autoload": {
+                "psr-4": {
+                    "Doctrine\\Common\\": "lib/Doctrine/Common"
+                }
+            },
+            "notification-url": "https://packagist.org/downloads/",
+            "license": [
+                "MIT"
+            ],
+            "authors": [
+                {
+                    "name": "Roman Borschel",
+                    "email": "roman@code-factory.org"
+                },
+                {
+                    "name": "Benjamin Eberlei",
+                    "email": "kontakt@beberlei.de"
+                },
+                {
+                    "name": "Guilherme Blanco",
+                    "email": "guilhermeblanco@gmail.com"
+                },
+                {
+                    "name": "Jonathan Wage",
+                    "email": "jonwage@gmail.com"
+                },
+                {
+                    "name": "Johannes Schmitt",
+                    "email": "schmittjoh@gmail.com"
+                }
+            ],
+            "description": "Common Library for Doctrine projects",
+            "homepage": "http://www.doctrine-project.org",
+            "keywords": [
+                "annotations",
+                "collections",
+                "eventmanager",
+                "persistence",
+                "spl"
+            ],
+            "time": "2017-08-31T08:43:38+00:00"
+        },
+        {
+            "name": "doctrine/dbal",
+            "version": "v2.7.0",
+            "source": {
+                "type": "git",
+                "url": "https://github.com/doctrine/dbal.git",
+                "reference": "f76bf5ef631cec551a86c2291fc749534febebf1"
+            },
+            "dist": {
+                "type": "zip",
+                "url": "https://api.github.com/repos/doctrine/dbal/zipball/f76bf5ef631cec551a86c2291fc749534febebf1",
+                "reference": "f76bf5ef631cec551a86c2291fc749534febebf1",
+                "shasum": ""
+            },
+            "require": {
+                "doctrine/common": "^2.7.1",
+                "ext-pdo": "*",
+                "php": "^7.1"
+            },
+            "require-dev": {
+                "doctrine/coding-standard": "^4.0",
+                "phpunit/phpunit": "^7.0",
+                "phpunit/phpunit-mock-objects": "!=3.2.4,!=3.2.5",
+                "symfony/console": "^2.0.5||^3.0",
+                "symfony/phpunit-bridge": "^3.4.5|^4.0.5"
+            },
+            "suggest": {
+                "symfony/console": "For helpful console commands such as SQL execution and import of files."
+            },
+            "bin": [
+                "bin/doctrine-dbal"
+            ],
+            "type": "library",
+            "extra": {
+                "branch-alias": {
+                    "dev-master": "2.7.x-dev"
+                }
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+                "zendframework/zend-expressive-aurarouter": "^3.0 to use the Aura.Router routing adapter",
+                "zendframework/zend-expressive-fastroute": "^3.0 to use the FastRoute routing adapter",
+                "zendframework/zend-expressive-zendrouter": "^3.0 to use the zend-router routing adapter"
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+            "suggest": {
+                "zendframework/zend-expressive-platesrenderer": "^2.0 to use the Plates template renderer",
+                "zendframework/zend-expressive-twigrenderer": "^2.0 to use the Twig template renderer",
+                "zendframework/zend-expressive-zendviewrenderer": "^2.0 to use the zend-view PhpRenderer template renderer"
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+            "type": "library",
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+                "zendframework/zend-uri": "^2.5"
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+                "zendframework/zend-crypt": "Zend\\Crypt component, for encryption filters",
+                "zendframework/zend-i18n": "Zend\\I18n component for filters depending on i18n functionality",
+                "zendframework/zend-servicemanager": "Zend\\ServiceManager component, for using the filter chain functionality",
+                "zendframework/zend-uri": "Zend\\Uri component, for the UriNormalize filter"
+            },
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+                    "dev-master": "2.7-dev",
+                    "dev-develop": "2.8-dev"
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+            "autoload": {
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+            },
+            "notification-url": "https://packagist.org/downloads/",
+            "license": [
+                "BSD-3-Clause"
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+            "keywords": [
+                "filter",
+                "zf2"
+            ],
+            "time": "2017-05-17T20:56:17+00:00"
+        },
+        {
+            "name": "zendframework/zend-form",
+            "version": "2.11.0",
+            "source": {
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+                "url": "https://github.com/zendframework/zend-form.git",
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+                "zendframework/zend-inputfilter": "^2.8",
+                "zendframework/zend-stdlib": "^2.7 || ^3.0"
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+            "require-dev": {
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+                "phpunit/phpunit": "^5.7.23 || ^6.5.3",
+                "zendframework/zend-cache": "^2.6.1",
+                "zendframework/zend-captcha": "^2.7.1",
+                "zendframework/zend-code": "^2.6 || ^3.0",
+                "zendframework/zend-coding-standard": "~1.0.0",
+                "zendframework/zend-escaper": "^2.5",
+                "zendframework/zend-eventmanager": "^2.6.2 || ^3.0",
+                "zendframework/zend-filter": "^2.6",
+                "zendframework/zend-i18n": "^2.6",
+                "zendframework/zend-servicemanager": "^2.7.5 || ^3.0.3",
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+                "zendframework/zend-text": "^2.6",
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+                "zendframework/zend-view": "^2.6.2",
+                "zendframework/zendservice-recaptcha": "^3.0.0"
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+            "suggest": {
+                "zendframework/zend-captcha": "^2.7.1, required for using CAPTCHA form elements",
+                "zendframework/zend-code": "^2.6 || ^3.0, required to use zend-form annotations support",
+                "zendframework/zend-eventmanager": "^2.6.2 || ^3.0, reuired for zend-form annotations support",
+                "zendframework/zend-i18n": "^2.6, required when using zend-form view helpers",
+                "zendframework/zend-servicemanager": "^2.7.5 || ^3.0.3, required to use the form factories or provide services",
+                "zendframework/zend-view": "^2.6.2, required for using the zend-form view helpers",
+                "zendframework/zendservice-recaptcha": "in order to use the ReCaptcha form element"
+            },
+            "type": "library",
+            "extra": {
+                "branch-alias": {
+                    "dev-master": "2.11.x-dev",
+                    "dev-develop": "2.12.x-dev"
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+                "zf": {
+                    "component": "Zend\\Form",
+                    "config-provider": "Zend\\Form\\ConfigProvider"
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+            },
+            "autoload": {
+                "psr-4": {
+                    "Zend\\Form\\": "src/"
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+                "files": [
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+            },
+            "notification-url": "https://packagist.org/downloads/",
+            "license": [
+                "BSD-3-Clause"
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+            "description": "Validate and display simple and complex forms, casting forms to business objects and vice versa",
+            "keywords": [
+                "ZendFramework",
+                "form",
+                "zf"
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+            "time": "2017-12-06T21:09:08+00:00"
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+        {
+            "name": "zendframework/zend-httphandlerrunner",
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+            "source": {
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+                "url": "https://github.com/zendframework/zend-httphandlerrunner.git",
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+                "psr/http-server-handler": "^1.0"
+            },
+            "require-dev": {
+                "phpunit/phpunit": "^6.3",
+                "zendframework/zend-coding-standard": "~1.0.0",
+                "zendframework/zend-diactoros": "^1.7"
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+            "extra": {
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+                    "dev-master": "1.0-dev"
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+                "zf": {
+                    "config-provider": "Zend\\HttpHandlerRunner\\ConfigProvider"
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+            },
+            "autoload": {
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+            },
+            "notification-url": "https://packagist.org/downloads/",
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+            "name": "zendframework/zend-hydrator",
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+                "zendframework/zend-stdlib": "^3.0"
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+                "zendframework/zend-coding-standard": "~1.0.0",
+                "zendframework/zend-eventmanager": "^3.0",
+                "zendframework/zend-filter": "^2.6",
+                "zendframework/zend-inputfilter": "^2.6",
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+                "zendframework/zend-servicemanager": "^2.7.5 || ^3.0.3"
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+            "suggest": {
+                "zendframework/zend-eventmanager": "^2.6.2 || ^3.0, to support aggregate hydrator usage",
+                "zendframework/zend-filter": "^2.6, to support naming strategy hydrator usage",
+                "zendframework/zend-serializer": "^2.6.1, to use the SerializableStrategy",
+                "zendframework/zend-servicemanager": "^2.7.5 || ^3.0.3, to support hydrator plugin manager usage"
+            },
+            "type": "library",
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+                    "config-provider": "Zend\\Hydrator\\ConfigProvider"
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+                "psr-4": {
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+            "notification-url": "https://packagist.org/downloads/",
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+                "zendframework/zend-stdlib": "^2.7.7 || ^3.1"
+            },
+            "suggest": {
+                "zendframework/zend-json-server": "For implementing JSON-RPC servers",
+                "zendframework/zend-xml2json": "For converting XML documents to JSON"
+            },
+            "type": "library",
+            "extra": {
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+            "suggest": {
+                "ocramius/proxy-manager": "ProxyManager 1.* to handle lazy initialization of services",
+                "zendframework/zend-stdlib": "zend-stdlib ^2.5 if you wish to use the MergeReplaceKey or MergeRemoveKey features in Config instances"
+            },
+            "bin": [
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+            "notification-url": "https://packagist.org/downloads/",
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+        {
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+            "dist": {
+                "type": "zip",
+                "url": "https://api.github.com/repos/zfcampus/zf-composer-autoloading/zipball/3643d9dc4d3f0b6011ff643672e1cf187e21a7f4",
+                "reference": "3643d9dc4d3f0b6011ff643672e1cf187e21a7f4",
+                "shasum": ""
+            },
+            "require": {
+                "php": "^5.6 || ^7.0",
+                "zendframework/zend-stdlib": "^3.1"
+            },
+            "require-dev": {
+                "mikey179/vfsstream": "^1.6.4",
+                "mockery/mockery": "^0.9.8",
+                "php-mock/php-mock-phpunit": "^2.0 || ^1.1.2",
+                "phpunit/phpunit": "^6.0.7 || ^5.7.14",
+                "zendframework/zend-coding-standard": "~1.0.0"
+            },
+            "bin": [
+                "bin/zf-composer-autoloading"
+            ],
+            "type": "library",
+            "extra": {
+                "branch-alias": {
+                    "dev-master": "2.0-dev"
+                }
+            },
+            "autoload": {
+                "psr-4": {
+                    "ZF\\ComposerAutoloading\\": "src/"
+                }
+            },
+            "notification-url": "https://packagist.org/downloads/",
+            "license": [
+                "BSD-3-Clause"
+            ],
+            "description": "Sets up Composer-based autoloading for your Zend Framework modules",
+            "homepage": "http://apigility.org/",
+            "keywords": [
+                "ZendFramework",
+                "autoloading",
+                "console",
+                "framework"
+            ],
+            "time": "2017-02-22T16:55:31+00:00"
+        },
+        {
+            "name": "zfcampus/zf-development-mode",
+            "version": "3.1.0",
+            "source": {
+                "type": "git",
+                "url": "https://github.com/zfcampus/zf-development-mode.git",
+                "reference": "ffef6ab8cf84ee1d1a77a2b51ba2240d2707c05d"
+            },
+            "dist": {
+                "type": "zip",
+                "url": "https://api.github.com/repos/zfcampus/zf-development-mode/zipball/ffef6ab8cf84ee1d1a77a2b51ba2240d2707c05d",
+                "reference": "ffef6ab8cf84ee1d1a77a2b51ba2240d2707c05d",
+                "shasum": ""
+            },
+            "require": {
+                "php": "^5.6 || ^7.0"
+            },
+            "require-dev": {
+                "mikey179/vfsstream": "^1.6",
+                "phpunit/phpunit": "^5.4",
+                "squizlabs/php_codesniffer": "^2.3.1"
+            },
+            "bin": [
+                "bin/zf-development-mode"
+            ],
+            "type": "library",
+            "extra": {
+                "branch-alias": {
+                    "dev-master": "3.1-dev",
+                    "dev-develop": "3.2-dev"
+                }
+            },
+            "autoload": {
+                "psr-4": {
+                    "ZF\\DevelopmentMode\\": "src/"
+                }
+            },
+            "notification-url": "https://packagist.org/downloads/",
+            "license": [
+                "BSD-3-Clause"
+            ],
+            "description": "Zend Framework development mode script",
+            "homepage": "http://github.com/zfcampus/zf-development-mode",
+            "keywords": [
+                "framework",
+                "zf2"
+            ],
+            "time": "2017-01-09T23:34:49+00:00"
+        }
+    ],
+    "aliases": [],
+    "minimum-stability": "stable",
+    "stability-flags": {
+        "roave/security-advisories": 20
+    },
+    "prefer-stable": false,
+    "prefer-lowest": false,
+    "platform": {
+        "php": "^7.1"
+    },
+    "platform-dev": []
+}
diff --git a/config/.gitignore b/config/.gitignore
new file mode 100644
index 0000000..9604301
--- /dev/null
+++ b/config/.gitignore
@@ -0,0 +1 @@
+development.config.php
diff --git a/config/autoload/.gitignore b/config/autoload/.gitignore
new file mode 100644
index 0000000..1a83fda
--- /dev/null
+++ b/config/autoload/.gitignore
@@ -0,0 +1,2 @@
+local.php
+*.local.php
diff --git a/config/autoload/dependencies.global.php b/config/autoload/dependencies.global.php
new file mode 100644
index 0000000..a9ab249
--- /dev/null
+++ b/config/autoload/dependencies.global.php
@@ -0,0 +1,26 @@
+<?php
+
+declare(strict_types=1);
+
+return [
+    // Provides application-wide services.
+    // We recommend using fully-qualified class names whenever possible as
+    // service names.
+    'dependencies' => [
+        // Use 'aliases' to alias a service name to another service. The
+        // key is the alias name, the value is the service to which it points.
+        'aliases' => [
+            // Fully\Qualified\ClassOrInterfaceName::class => Fully\Qualified\ClassName::class,
+        ],
+        // Use 'invokables' for constructor-less services, or services that do
+        // not require arguments to the constructor. Map a service name to the
+        // class name.
+        'invokables' => [
+            // Fully\Qualified\InterfaceName::class => Fully\Qualified\ClassName::class,
+        ],
+        // Use 'factories' for services provided by callbacks/factory classes.
+        'factories'  => [
+            // Fully\Qualified\ClassName::class => Fully\Qualified\FactoryName::class,
+        ],
+    ],
+];
diff --git a/config/autoload/development.local.php.dist b/config/autoload/development.local.php.dist
new file mode 100644
index 0000000..99875e9
--- /dev/null
+++ b/config/autoload/development.local.php.dist
@@ -0,0 +1,35 @@
+<?php
+/**
+ * Development-only configuration.
+ *
+ * Put settings you want enabled when under development mode in this file, and
+ * check it into your repository.
+ *
+ * Developers on your team will then automatically enable them by calling on
+ * `composer development-enable`.
+ */
+
+declare(strict_types=1);
+
+use Zend\Expressive\Container;
+use Zend\Expressive\Middleware\ErrorResponseGenerator;
+
+return [
+    'dependencies' => [
+        'invokables' => [
+        ],
+        'factories'  => [
+            ErrorResponseGenerator::class       => Container\WhoopsErrorResponseGeneratorFactory::class,
+            'Zend\Expressive\Whoops'            => Container\WhoopsFactory::class,
+            'Zend\Expressive\WhoopsPageHandler' => Container\WhoopsPageHandlerFactory::class,
+        ],
+    ],
+
+    'whoops' => [
+        'json_exceptions' => [
+            'display'    => true,
+            'show_trace' => true,
+            'ajax_only'  => true,
+        ],
+    ],
+];
diff --git a/config/autoload/doctrine.global.php b/config/autoload/doctrine.global.php
new file mode 100644
index 0000000..16be3aa
--- /dev/null
+++ b/config/autoload/doctrine.global.php
@@ -0,0 +1,76 @@
+<?php
+
+return [
+    'dependencies' => [
+        'aliases' => [
+            Doctrine\ORM\EntityManager::class => 'doctrine.entity_manager.orm_default',
+        ],
+        'factories' => [
+            'doctrine.entity_manager.orm_default' => ContainerInteropDoctrine\EntityManagerFactory::class,
+        ],
+    ],
+    'doctrine' => [
+        'driver' => [
+            'orm_default' => [
+                'class' => Doctrine\Common\Persistence\Mapping\Driver\MappingDriverChain::class,
+                'drivers' => [
+                    'App\Entity' => 'app_entity',
+                ],
+            ],
+            'app_entity' => [
+                'class' => Doctrine\ORM\Mapping\Driver\AnnotationDriver::class,
+                'cache' => 'array',
+                'paths' => __DIR__ . '/../../src/App/Entity',
+            ],
+        ],
+        'configuration' => [
+            'orm_default' => [
+//                'datetime_functions' => [
+//                    'date'          => Oro\ORM\Query\AST\Functions\SimpleFunction::class,
+//                    'time'          => Oro\ORM\Query\AST\Functions\SimpleFunction::class,
+//                    'timestamp'     => Oro\ORM\Query\AST\Functions\SimpleFunction::class,
+//                    'convert_tz'    => Oro\ORM\Query\AST\Functions\DateTime\ConvertTz::class,
+//                ],
+                'numeric_functions' => [
+//                    'timestampdiff' => Oro\ORM\Query\AST\Functions\Numeric\TimestampDiff::class,
+//                    'dayofyear'     => Oro\ORM\Query\AST\Functions\SimpleFunction::class,
+//                    'dayofmonth'    => Oro\ORM\Query\AST\Functions\SimpleFunction::class,
+//                    'dayofweek'     => Oro\ORM\Query\AST\Functions\SimpleFunction::class,
+//                    'week'          => Oro\ORM\Query\AST\Functions\SimpleFunction::class,
+//                    'day'           => Oro\ORM\Query\AST\Functions\SimpleFunction::class,
+//                    'hour'          => Oro\ORM\Query\AST\Functions\SimpleFunction::class,
+//                    'minute'        => Oro\ORM\Query\AST\Functions\SimpleFunction::class,
+//                    'month'         => Oro\ORM\Query\AST\Functions\SimpleFunction::class,
+//                    'quarter'       => Oro\ORM\Query\AST\Functions\SimpleFunction::class,
+//                    'second'        => Oro\ORM\Query\AST\Functions\SimpleFunction::class,
+//                    'year'          => Oro\ORM\Query\AST\Functions\SimpleFunction::class,
+//                    'sign'          => Oro\ORM\Query\AST\Functions\Numeric\Sign::class,
+//                    'pow'           => Oro\ORM\Query\AST\Functions\Numeric\Pow::class,
+                ],
+//                'string_functions'  => [
+//                    'md5'           => Oro\ORM\Query\AST\Functions\SimpleFunction::class,
+//                    'group_concat'  => Oro\ORM\Query\AST\Functions\String\GroupConcat::class,
+//                    'cast'          => Oro\ORM\Query\AST\Functions\Cast::class,
+//                    'concat_ws'     => Oro\ORM\Query\AST\Functions\String\ConcatWs::class
+//                ]
+//                'filters' => [
+//                    'soft-deleteable' => Gedmo\SoftDeleteable\Filter\SoftDeleteableFilter::class,
+//                ],
+            ],
+        ],
+        'event_manager' => [
+            'orm_default' => [
+                'subscribers' => [
+                    Gedmo\Timestampable\TimestampableListener::class,
+                    // 'Gedmo\Tree\TreeListener',
+                    // 'Gedmo\SoftDeleteable\SoftDeleteableListener',
+                    // 'Gedmo\Translatable\TranslatableListener',
+                    // 'Gedmo\Blameable\BlameableListener',
+                    // 'Gedmo\Loggable\LoggableListener',
+                    // 'Gedmo\Sortable\SortableListener',
+                    // 'Gedmo\Sluggable\SluggableListener',
+                ],
+            ],
+        ],
+    ],
+];
diff --git a/config/autoload/doctrine.local.dist.php b/config/autoload/doctrine.local.dist.php
new file mode 100644
index 0000000..6549fbe
--- /dev/null
+++ b/config/autoload/doctrine.local.dist.php
@@ -0,0 +1,14 @@
+<?php
+
+return [
+    'doctrine' => [
+        'connection' => [
+            'orm_default' => [
+                'params' => [
+                    'url'     => 'mysqli://user:passwd@host/database',
+                    'charset' => 'UTF8',
+                ],
+            ],
+        ],
+    ],
+];
diff --git a/config/autoload/local.php.dist b/config/autoload/local.php.dist
new file mode 100644
index 0000000..ec825d4
--- /dev/null
+++ b/config/autoload/local.php.dist
@@ -0,0 +1,12 @@
+<?php
+/**
+ * Local configuration.
+ *
+ * Copy this file to `local.php` and change its settings as required.
+ * `local.php` is ignored by git and safe to use for local and sensitive data like usernames and passwords.
+ */
+
+declare(strict_types=1);
+
+return [
+];
diff --git a/config/autoload/zend-expressive.global.php b/config/autoload/zend-expressive.global.php
new file mode 100644
index 0000000..7ae42e6
--- /dev/null
+++ b/config/autoload/zend-expressive.global.php
@@ -0,0 +1,25 @@
+<?php
+
+declare(strict_types=1);
+
+use Zend\ConfigAggregator\ConfigAggregator;
+
+return [
+    // Toggle the configuration cache. Set this to boolean false, or remove the
+    // directive, to disable configuration caching. Toggling development mode
+    // will also disable it by default; clear the configuration cache using
+    // `composer clear-config-cache`.
+    ConfigAggregator::ENABLE_CACHE => true,
+
+    // Enable debugging; typically used to provide debugging information within templates.
+    'debug' => false,
+
+    'zend-expressive' => [
+        // Provide templates for the error handling middleware to use when
+        // generating responses.
+        'error_handler' => [
+            'template_404'   => 'error::404',
+            'template_error' => 'error::error',
+        ],
+    ],
+];
diff --git a/config/config.php b/config/config.php
new file mode 100644
index 0000000..70cd721
--- /dev/null
+++ b/config/config.php
@@ -0,0 +1,46 @@
+<?php
+
+declare(strict_types=1);
+
+use Zend\ConfigAggregator\ArrayProvider;
+use Zend\ConfigAggregator\ConfigAggregator;
+use Zend\ConfigAggregator\PhpFileProvider;
+
+// To enable or disable caching, set the `ConfigAggregator::ENABLE_CACHE` boolean in
+// `config/autoload/local.php`.
+$cacheConfig = [
+    'config_cache_path' => 'data/cache/config-cache.php',
+];
+
+$aggregator = new ConfigAggregator([
+    \Zend\Form\ConfigProvider::class,
+    \Zend\InputFilter\ConfigProvider::class,
+    \Zend\Validator\ConfigProvider::class,
+    \Zend\Hydrator\ConfigProvider::class,
+    \Zend\Filter\ConfigProvider::class,
+    \Zend\Expressive\Router\FastRouteRouter\ConfigProvider::class,
+    \Zend\HttpHandlerRunner\ConfigProvider::class,
+    // Include cache configuration
+    new ArrayProvider($cacheConfig),
+
+    \Zend\Expressive\Helper\ConfigProvider::class,
+    \Zend\Expressive\ConfigProvider::class,
+    \Zend\Expressive\Router\ConfigProvider::class,
+
+    // Default App module config
+    App\ConfigProvider::class,
+    DoctrineExpressiveModule\ConfigProvider::class,
+
+    // Load application config in a pre-defined order in such a way that local settings
+    // overwrite global settings. (Loaded as first to last):
+    //   - `global.php`
+    //   - `*.global.php`
+    //   - `local.php`
+    //   - `*.local.php`
+    new PhpFileProvider(realpath(__DIR__) . '/autoload/{{,*.}global,{,*.}local}.php'),
+
+    // Load development config if it exists
+    new PhpFileProvider(realpath(__DIR__) . '/development.config.php'),
+], $cacheConfig['config_cache_path']);
+
+return $aggregator->getMergedConfig();
diff --git a/config/container.php b/config/container.php
new file mode 100644
index 0000000..740fe23
--- /dev/null
+++ b/config/container.php
@@ -0,0 +1,14 @@
+<?php
+
+declare(strict_types=1);
+
+use Zend\ServiceManager\ServiceManager;
+
+// Load configuration
+$config = require __DIR__ . '/config.php';
+
+$dependencies = $config['dependencies'];
+$dependencies['services']['config'] = $config;
+
+// Build container
+return new ServiceManager($dependencies);
diff --git a/config/development.config.php.dist b/config/development.config.php.dist
new file mode 100644
index 0000000..d17d6d6
--- /dev/null
+++ b/config/development.config.php.dist
@@ -0,0 +1,30 @@
+<?php
+/**
+ * File required to allow enablement of development mode.
+ *
+ * For use with the zf-development-mode tool.
+ *
+ * Usage:
+ *  $ composer development-disable
+ *  $ composer development-enable
+ *  $ composer development-status
+ *
+ * DO NOT MODIFY THIS FILE.
+ *
+ * Provide your own development-mode settings by editing the file
+ * `config/autoload/development.local.php.dist`.
+ *
+ * Because this file is aggregated last, it simply ensures:
+ *
+ * - The `debug` flag is _enabled_.
+ * - Configuration caching is _disabled_.
+ */
+
+declare(strict_types=1);
+
+use Zend\ConfigAggregator\ConfigAggregator;
+
+return [
+    'debug' => true,
+    ConfigAggregator::ENABLE_CACHE => false,
+];
diff --git a/config/pipeline.php b/config/pipeline.php
new file mode 100644
index 0000000..b838955
--- /dev/null
+++ b/config/pipeline.php
@@ -0,0 +1,78 @@
+<?php
+
+declare(strict_types=1);
+
+use Psr\Container\ContainerInterface;
+use Tuupola\Middleware\CorsMiddleware;
+use Zend\Expressive\Application;
+use Zend\Expressive\Handler\NotFoundHandler;
+use Zend\Expressive\Helper\ServerUrlMiddleware;
+use Zend\Expressive\Helper\UrlHelperMiddleware;
+use Zend\Expressive\MiddlewareFactory;
+use Zend\Expressive\Router\Middleware\DispatchMiddleware;
+use Zend\Expressive\Router\Middleware\ImplicitHeadMiddleware;
+use Zend\Expressive\Router\Middleware\ImplicitOptionsMiddleware;
+use Zend\Expressive\Router\Middleware\MethodNotAllowedMiddleware;
+use Zend\Expressive\Router\Middleware\RouteMiddleware;
+use Zend\Stratigility\Middleware\ErrorHandler;
+
+/**
+ * Setup middleware pipeline:
+ */
+return function (Application $app, MiddlewareFactory $factory, ContainerInterface $container) : void {
+    // The error handler should be the first (most outer) middleware to catch
+    // all Exceptions.
+    $app->pipe(ErrorHandler::class);
+    $app->pipe(ServerUrlMiddleware::class);
+
+    // Pipe more middleware here that you want to execute on every request:
+    // - bootstrapping
+    // - pre-conditions
+    // - modifications to outgoing responses
+    //
+    // Piped Middleware may be either callables or service names. Middleware may
+    // also be passed as an array; each item in the array must resolve to
+    // middleware eventually (i.e., callable or service name).
+    //
+    // Middleware can be attached to specific paths, allowing you to mix and match
+    // applications under a common domain.  The handlers in each middleware
+    // attached this way will see a URI with the matched path segment removed.
+    //
+    // i.e., path of "/api/member/profile" only passes "/member/profile" to $apiMiddleware
+    // - $app->pipe('/api', $apiMiddleware);
+    // - $app->pipe('/docs', $apiDocMiddleware);
+    // - $app->pipe('/files', $filesMiddleware);
+
+    // Register the routing middleware in the middleware pipeline.
+    // This middleware registers the Zend\Expressive\Router\RouteResult request attribute.
+    $app->pipe(RouteMiddleware::class);
+
+    // The following handle routing failures for common conditions:
+    // - HEAD request but no routes answer that method
+    // - OPTIONS request but no routes answer that method
+    // - method not allowed
+    // Order here matters; the MethodNotAllowedMiddleware should be placed
+    // after the Implicit*Middleware.
+    $app->pipe(ImplicitHeadMiddleware::class);
+//    $app->pipe(ImplicitOptionsMiddleware::class);
+    $app->pipe(CorsMiddleware::class);
+    $app->pipe(MethodNotAllowedMiddleware::class);
+
+    // Seed the UrlHelper with the routing results:
+    $app->pipe(UrlHelperMiddleware::class);
+
+    // Add more middleware here that needs to introspect the routing results; this
+    // might include:
+    //
+    // - route-based authentication
+    // - route-based validation
+    // - etc.
+
+    // Register the dispatch middleware in the middleware pipeline
+    $app->pipe(DispatchMiddleware::class);
+
+    // At this point, if no Response is returned by any middleware, the
+    // NotFoundHandler kicks in; alternately, you can provide other fallback
+    // middleware to execute.
+    $app->pipe(NotFoundHandler::class);
+};
diff --git a/config/routes.php b/config/routes.php
new file mode 100644
index 0000000..eb319ca
--- /dev/null
+++ b/config/routes.php
@@ -0,0 +1,41 @@
+<?php
+
+declare(strict_types=1);
+
+use Psr\Container\ContainerInterface;
+use Zend\Expressive\Application;
+use Zend\Expressive\MiddlewareFactory;
+
+/**
+ * Setup routes with a single request method:
+ *
+ * $app->get('/', App\Handler\HomePageHandler::class, 'home');
+ * $app->post('/album', App\Handler\AlbumCreateHandler::class, 'album.create');
+ * $app->put('/album/:id', App\Handler\AlbumUpdateHandler::class, 'album.put');
+ * $app->patch('/album/:id', App\Handler\AlbumUpdateHandler::class, 'album.patch');
+ * $app->delete('/album/:id', App\Handler\AlbumDeleteHandler::class, 'album.delete');
+ *
+ * Or with multiple request methods:
+ *
+ * $app->route('/contact', App\Handler\ContactHandler::class, ['GET', 'POST', ...], 'contact');
+ *
+ * Or handling all request methods:
+ *
+ * $app->route('/contact', App\Handler\ContactHandler::class)->setName('contact');
+ *
+ * or:
+ *
+ * $app->route(
+ *     '/contact',
+ *     App\Handler\ContactHandler::class,
+ *     Zend\Expressive\Router\Route::HTTP_METHOD_ANY,
+ *     'contact'
+ * );
+ */
+return function (Application $app, MiddlewareFactory $factory, ContainerInterface $container) : void {
+    $app->get('/', App\Handler\HomePageHandler::class, 'home');
+    $app->get('/api/ping', App\Handler\PingHandler::class, 'api.ping');
+
+    $app->route('/api/team[/{id:\d+}]', App\Handler\TeamHandler::class)->setName('api.team');
+    $app->route('/api/slide[/{id:\d+}]', App\Handler\SlideHandler::class)->setName('api.slide');
+};
diff --git a/data/.gitignore b/data/.gitignore
new file mode 100644
index 0000000..5381e79
--- /dev/null
+++ b/data/.gitignore
@@ -0,0 +1,4 @@
+*
+!cache
+!cache/.gitkeep
+!.gitignore
diff --git a/data/cache/.gitkeep b/data/cache/.gitkeep
new file mode 100644
index 0000000..e69de29
diff --git a/phpcs.xml.dist b/phpcs.xml.dist
new file mode 100644
index 0000000..de3035d
--- /dev/null
+++ b/phpcs.xml.dist
@@ -0,0 +1,20 @@
+<?xml version="1.0"?>
+<ruleset name="Expressive Skeleton coding standard">
+    <description>Expressive Skeleton coding standard</description>
+
+    <!-- display progress -->
+    <arg value="p"/>
+    <arg name="colors"/>
+
+    <!-- inherit rules from: -->
+    <rule ref="PSR2"/>
+    <rule ref="Generic.Arrays.DisallowLongArraySyntax"/>
+    <rule ref="Squiz.WhiteSpace.SuperfluousWhitespace">
+        <properties>
+            <property name="ignoreBlankLines" value="false"/>
+        </properties>
+    </rule>
+
+    <!-- Paths to check -->
+    <file>src</file>
+</ruleset>
diff --git a/phpunit.xml.dist b/phpunit.xml.dist
new file mode 100644
index 0000000..e9e72c0
--- /dev/null
+++ b/phpunit.xml.dist
@@ -0,0 +1,17 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<phpunit xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+         xsi:noNamespaceSchemaLocation="vendor/phpunit/phpunit/phpunit.xsd"
+         bootstrap="vendor/autoload.php"
+         colors="true">
+    <testsuites>
+        <testsuite name="App\\Tests">
+            <directory>./test</directory>
+        </testsuite>
+    </testsuites>
+
+    <filter>
+        <whitelist processUncoveredFilesFromWhitelist="true">
+            <directory suffix=".php">./src</directory>
+        </whitelist>
+    </filter>
+</phpunit>
diff --git a/public/.htaccess b/public/.htaccess
new file mode 100644
index 0000000..cd6355d
--- /dev/null
+++ b/public/.htaccess
@@ -0,0 +1,19 @@
+RewriteEngine On
+# The following rule allows authentication to work with fast-cgi
+RewriteRule .* - [E=HTTP_AUTHORIZATION:%{HTTP:Authorization}]
+# The following rule tells Apache that if the requested filename
+# exists, simply serve it.
+RewriteCond %{REQUEST_FILENAME} -s [OR]
+RewriteCond %{REQUEST_FILENAME} -l [OR]
+RewriteCond %{REQUEST_FILENAME} -d
+RewriteRule ^.*$ - [NC,L]
+
+# The following rewrites all other queries to index.php. The
+# condition ensures that if you are using Apache aliases to do
+# mass virtual hosting, the base path will be prepended to
+# allow proper resolution of the index.php file; it will work
+# in non-aliased environments as well, providing a safe, one-size
+# fits all solution.
+RewriteCond %{REQUEST_URI}::$1 ^(/.+)(.+)::\2$
+RewriteRule ^(.*) - [E=BASE:%1]
+RewriteRule ^(.*)$ %{ENV:BASE}index.php [NC,L]
diff --git a/public/index.php b/public/index.php
new file mode 100644
index 0000000..fd11502
--- /dev/null
+++ b/public/index.php
@@ -0,0 +1,30 @@
+<?php
+
+declare(strict_types=1);
+
+// Delegate static file requests back to the PHP built-in webserver
+if (PHP_SAPI === 'cli-server' && $_SERVER['SCRIPT_FILENAME'] !== __FILE__) {
+    return false;
+}
+
+chdir(dirname(__DIR__));
+require 'vendor/autoload.php';
+
+/**
+ * Self-called anonymous function that creates its own scope and keep the global namespace clean.
+ */
+(function () {
+    /** @var \Psr\Container\ContainerInterface $container */
+    $container = require 'config/container.php';
+
+    /** @var \Zend\Expressive\Application $app */
+    $app = $container->get(\Zend\Expressive\Application::class);
+    $factory = $container->get(\Zend\Expressive\MiddlewareFactory::class);
+
+    // Execute programmatic/declarative middleware pipeline and routing
+    // configuration statements
+    (require 'config/pipeline.php')($app, $factory, $container);
+    (require 'config/routes.php')($app, $factory, $container);
+
+    $app->run();
+})();
diff --git a/src/App/ConfigProvider.php b/src/App/ConfigProvider.php
new file mode 100644
index 0000000..f78f484
--- /dev/null
+++ b/src/App/ConfigProvider.php
@@ -0,0 +1,61 @@
+<?php
+
+declare(strict_types=1);
+
+namespace App;
+
+/**
+ * The configuration provider for the App module
+ *
+ * @see https://docs.zendframework.com/zend-component-installer/
+ */
+class ConfigProvider
+{
+    /**
+     * Returns the configuration array
+     *
+     * To add a bit of a structure, each section is defined in a separate
+     * method which returns an array with its configuration.
+     *
+     */
+    public function __invoke() : array
+    {
+        return [
+            'dependencies' => $this->getDependencies(),
+            'templates'    => $this->getTemplates(),
+        ];
+    }
+
+    /**
+     * Returns the container dependencies
+     */
+    public function getDependencies() : array
+    {
+        return [
+            'invokables' => [
+                Handler\PingHandler::class => Handler\PingHandler::class,
+            ],
+            'factories'  => [
+                Handler\HomePageHandler::class => Handler\HomePageHandlerFactory::class,
+                Handler\TeamHandler::class => Handler\TeamHandlerFactory::class,
+
+                Service\TeamService::class => Service\TeamServiceFactory::class,
+                Service\SlideManager::class => Service\SlideManagerFactory::class,
+            ],
+        ];
+    }
+
+    /**
+     * Returns the templates configuration
+     */
+    public function getTemplates() : array
+    {
+        return [
+            'paths' => [
+                'app'    => ['templates/app'],
+                'error'  => ['templates/error'],
+                'layout' => ['templates/layout'],
+            ],
+        ];
+    }
+}
diff --git a/src/App/Entity/Slide.php b/src/App/Entity/Slide.php
new file mode 100644
index 0000000..31d682d
--- /dev/null
+++ b/src/App/Entity/Slide.php
@@ -0,0 +1,209 @@
+<?php
+
+declare(strict_types=1);
+
+namespace App\Entity;
+
+use Doctrine\ORM\Mapping as ORM;
+use Gedmo\Mapping\Annotation as Gedmo;
+use JsonSerializable;
+
+/**
+ * @ORM\Entity
+ * @ORM\Table(name="slides")
+ */
+class Slide implements JsonSerializable
+{
+    /**
+     * @ORM\Id
+     * @ORM\GeneratedValue(strategy="IDENTITY")
+     * @ORM\Column(name="id", type="integer")
+     * @var int
+     */
+    private $id;
+
+    /**
+     * @ORM\Column(name="title", type="string", length=200, unique=true)
+     * @var string
+     */
+    private $title;
+
+    /**
+     * @ORM\ManyToOne(targetEntity="Team", inversedBy="slides")
+     * @ORM\JoinColumn(name="team_id", referencedColumnName="id")
+     * @var Team
+     */
+    private $team;
+
+    /**
+     * @ORM\Column(name="slide_data", type="text")
+     * @var string
+     */
+    private $slideData;
+
+    /**
+     * @ORM\Column(name="is_visible", type="boolean")
+     * @var bool
+     */
+    private $isVisible;
+
+    /**
+     * @ORM\Column(name="created_at", type="datetime_immutable", nullable=true)
+     * @Gedmo\Timestampable(on="create")
+     * @var \DateTimeImmutable
+     */
+    private $createdAt;
+
+    /**
+     * @ORM\Column(name="updated_at", type="datetime_immutable", nullable=true)
+     * @Gedmo\Timestampable(on="update")
+     * @var \DateTimeImmutable
+     */
+    private $updatedAt;
+
+    /**
+     * @return int
+     */
+    public function getId(): ?int
+    {
+        return $this->id;
+    }
+
+    /**
+     * @param int $id
+     * @return Slide
+     */
+    public function setId(int $id): Slide
+    {
+        $this->id = $id;
+        return $this;
+    }
+
+    /**
+     * @return string
+     */
+    public function getTitle(): ?string
+    {
+        return $this->title;
+    }
+
+    /**
+     * @param string $title
+     * @return Slide
+     */
+    public function setTitle(string $title)
+    {
+        $this->title = $title;
+        return $this;
+    }
+
+    /**
+     * @return Team
+     */
+    public function getTeam(): ?Team
+    {
+        return $this->team;
+    }
+
+    /**
+     * @param Team $team
+     * @return Slide
+     */
+    public function setTeam(Team $team): Slide
+    {
+        $this->team = $team;
+        return $this;
+    }
+
+    /**
+     * @return string
+     */
+    public function getSlideData(): ?string
+    {
+        return $this->slideData;
+    }
+
+    /**
+     * @param string $slideData
+     * @return Slide
+     */
+    public function setSlideData(string $slideData): Slide
+    {
+        $this->slideData = $slideData;
+        return $this;
+    }
+
+    /**
+     * @return bool
+     */
+    public function isVisible(): ?bool
+    {
+        return $this->isVisible;
+    }
+
+    /**
+     * @param bool $isVisible
+     * @return Slide
+     */
+    public function setIsVisible(bool $isVisible): Slide
+    {
+        $this->isVisible = $isVisible;
+        return $this;
+    }
+
+    /**
+     * @return \DateTimeImmutable
+     */
+    public function getCreatedAt(): ?\DateTimeImmutable
+    {
+        return $this->createdAt;
+    }
+
+    /**
+     * @param \DateTimeImmutable $createdAt
+     * @return Slide
+     */
+    public function setCreatedAt(\DateTimeImmutable $createdAt): Slide
+    {
+        $this->createdAt = $createdAt;
+        return $this;
+    }
+
+    /**
+     * @return \DateTimeImmutable
+     */
+    public function getUpdatedAt(): ?\DateTimeImmutable
+    {
+        return $this->updatedAt;
+    }
+
+    /**
+     * @param \DateTimeImmutable $updatedAt
+     * @return Slide
+     */
+    public function setUpdatedAt(\DateTimeImmutable $updatedAt): Slide
+    {
+        $this->updatedAt = $updatedAt;
+        return $this;
+    }
+
+    /**
+     * @return array
+     */
+    public function jsonSerialize()
+    {
+        return [
+            'id' => $this->getId(),
+            'title' => $this->getTitle(),
+            'team' => $this->getTeam(),
+            'slideData' => $this->getSlideData(),
+            'isVisible' => $this->isVisible(),
+            'createdAt' => $this->getCreatedAt()
+                ? $this->getCreatedAt()->format("Y-m-d H:i:s")
+                : null,
+            'updatedAt' => $this->getUpdatedAt()
+                ? $this->getUpdatedAt()->format("Y-m-d H:i:s")
+                : null,
+        ];
+    }
+}
diff --git a/src/App/Entity/Team.php b/src/App/Entity/Team.php
new file mode 100644
index 0000000..8d196ab
--- /dev/null
+++ b/src/App/Entity/Team.php
@@ -0,0 +1,234 @@
+<?php
+
+declare(strict_types=1);
+
+namespace App\Entity;
+
+use Doctrine\Common\Collections\ArrayCollection;
+use Doctrine\Common\Collections\Collection;
+use Doctrine\ORM\Mapping as ORM;
+use Gedmo\Mapping\Annotation as Gedmo;
+use JsonSerializable;
+
+/**
+ * @ORM\Entity
+ * @ORM\Table(name="teams")
+ */
+class Team implements JsonSerializable
+{
+    /**
+     * @ORM\Id
+     * @ORM\GeneratedValue(strategy="IDENTITY")
+     * @ORM\Column(name="id", type="integer")
+     * @var int
+     */
+    private $id;
+
+    /**
+     * @ORM\Column(name="name", type="string", length=200, unique=true)
+     * @var string
+     */
+    private $name;
+
+    /**
+     * @ORM\Column(name="members", type="json")
+     * @var array
+     */
+    private $members;
+
+    /**
+     * @ORM\OneToMany(
+     *   targetEntity="Slide",
+     *   mappedBy="team",
+     *   cascade={"persist", "remove"},
+     *   orphanRemoval=true
+     * )
+     * @var Slide[]|Collection
+     */
+    private $slides;
+
+    /**
+     * @ORM\Column(name="is_active", type="boolean")
+     * @var bool
+     */
+    private $isActive;
+
+    /**
+     * @ORM\Column(name="created_at", type="datetime_immutable", nullable=true)
+     * @Gedmo\Timestampable(on="create")
+     * @var \DateTimeImmutable
+     */
+    private $createdAt;
+
+    /**
+     * @ORM\Column(name="updated_at", type="datetime_immutable", nullable=true)
+     * @Gedmo\Timestampable(on="update")
+     * @var \DateTimeImmutable
+     */
+    private $updatedAt;
+
+    public function __construct()
+    {
+        $this->slides = new ArrayCollection;
+        $this->members = new \ArrayObject;
+    }
+
+    /**
+     * @return int
+     */
+    public function getId(): ?int
+    {
+        return $this->id;
+    }
+
+    /**
+     * @param int $id
+     * @return Team
+     */
+    public function setId(int $id): Team
+    {
+        $this->id = $id;
+        return $this;
+    }
+
+    /**
+     * @return string
+     */
+    public function getName(): ?string
+    {
+        return $this->name;
+    }
+
+    /**
+     * @param string $name
+     * @return Team
+     */
+    public function setName(string $name): Team
+    {
+        $this->name = $name;
+        return $this;
+    }
+
+    /**
+     * @return array
+     */
+    public function getMembers()
+    {
+        return $this->members;
+    }
+
+    /**
+     * @param array $members
+     * @return Team
+     */
+    public function setMembers(array $members): Team
+    {
+        $this->members = $members;
+        return $this;
+    }
+
+    /**
+     * @param Slide $slide
+     * @return Team
+     */
+    public function addSlides(Slide $slide): Team
+    {
+        if (!$this->slides->contains($slide)) {
+            $this->slides->removeElement($slide);
+        }
+        return $this;
+    }
+
+    /**
+     * @return Slide[]|Collection
+     */
+    public function getSlides(): ?Collection
+    {
+        return $this->slides;
+    }
+
+    /**
+     * @param Slide $slide
+     * @return Team
+     */
+    public function removeSlide(Slide $slide): Team
+    {
+        if ($this->slides->contains($slide)) {
+            $this->slides->removeElement($slide);
+        }
+        return $this;
+    }
+
+    /**
+     * @return bool
+     */
+    public function isActive(): ?bool
+    {
+        return $this->isActive;
+    }
+
+    /**
+     * @param bool $isActive
+     * @return Team
+     */
+    public function setIsActive(bool $isActive): Team
+    {
+        $this->isActive = $isActive;
+        return $this;
+    }
+
+    /**
+     * @return \DateTimeImmutable
+     */
+    public function getCreatedAt(): ?\DateTimeImmutable
+    {
+        return $this->createdAt;
+    }
+
+    /**
+     * @param \DateTimeImmutable $createdAt
+     * @return Team
+     */
+    public function setCreatedAt(\DateTimeImmutable $createdAt): Team
+    {
+        $this->createdAt = $createdAt;
+        return $this;
+    }
+
+    /**
+     * @return \DateTimeImmutable
+     */
+    public function getUpdatedAt(): ?\DateTimeImmutable
+    {
+        return $this->updatedAt;
+    }
+
+    /**
+     * @param \DateTimeImmutable $updatedAt
+     * @return Team
+     */
+    public function setUpdatedAt(\DateTimeImmutable $updatedAt): Team
+    {
+        $this->updatedAt = $updatedAt;
+        return $this;
+    }
+
+    /**
+     * @return array
+     */
+    public function jsonSerialize()
+    {
+        return [
+            'id' => $this->getId(),
+            'name' => $this->getName(),
+            'members' => $this->getMembers(),
+            'isActive' => $this->isActive(),
+            'createdAt' => $this->getCreatedAt()
+                ? $this->getCreatedAt()->format("Y-m-d H:i:s")
+                : null,
+            'updatedAt' => $this->getUpdatedAt()
+                ? $this->getUpdatedAt()->format("Y-m-d H:i:s")
+                : null,
+        ];
+    }
+}
diff --git a/src/App/Form/Slide.php b/src/App/Form/Slide.php
new file mode 100644
index 0000000..808e452
--- /dev/null
+++ b/src/App/Form/Slide.php
@@ -0,0 +1,73 @@
+<?php
+
+declare(strict_types=1);
+
+namespace App\Form;
+
+use Zend\Form\Annotation;
+
+/**
+ * @Annotation\Name("slide")
+ * @Annotation\Hydrator("doctrine.hydrator")
+ */
+class Slide
+{
+    /**
+     * @Annotation\Type("Zend\Form\Element\Hidden")
+     * @Annotation\Required(false)
+     * @var int
+     */
+    private $id;
+
+    /**
+     * @Annotation\Type("Zend\Form\Element\Text")
+     * @Annotation\Required(true)
+     * @Annotation\InputFilter("Zend\Filter\StringTrim")
+     * @Annotation\Options({
+     *     "label": "Slide title"
+     * })
+     * @var string
+     */
+    private $title;
+
+    /**
+     * @Annotation\Type("Zend\Form\Element\Text")
+     * @Annotation\Required(true)
+     * @Annotation\Options({
+     *     "label": "Team",
+     *     "target_class": "App\Entity\Team",
+     *     "display_empty_item": false,
+     *     "empty_item_label": "",
+     *     "is_method": true,
+     *     "find_method": {
+     *         "name": "findBy",
+     *         "params": {
+     *             "criteria": {"isActive": true},
+     *             "orderBy": {"name": "ASC"}
+     *         }
+     *     }
+     * })
+     * @var
+     */
+    private $team;
+
+    /**
+     * @Annotation\Type("Zend\Form\Element\Text")
+     * @Annotation\Required(true)
+     * @Annotation\InputFilter("Zend\Filter\StringTrim")
+     * @Annotation\Options({
+     *     "label": "Slide contents"
+     * })
+     * @var
+     */
+    private $slideData;
+
+    /**
+     * @Annotation\Type("Zend\Form\Element\Checkbox")
+     * @Annotation\Options({
+     *     "label": "Visible"
+     * })
+     * @var bool
+     */
+    private $isVisible;
+}
diff --git a/src/App/Form/Team.php b/src/App/Form/Team.php
new file mode 100644
index 0000000..d29309a
--- /dev/null
+++ b/src/App/Form/Team.php
@@ -0,0 +1,52 @@
+<?php
+
+declare(strict_types=1);
+
+namespace App\Form;
+
+use Zend\Form\Annotation;
+
+/**
+ * @Annotation\Name("team")
+ * @Annotation\Hydrator("doctrine.hydrator")
+ */
+class Team
+{
+    /**
+     * @Annotation\Type("Zend\Form\Element\Hidden")
+     * @Annotation\Required(false)
+     * @var int
+     */
+    private $id;
+
+    /**
+     * @Annotation\Type("Zend\Form\Element\Text")
+     * @Annotation\Required(true)
+     * @Annotation\InputFilter("Zend\Filter\StringTrim")
+     * @Annotation\Options({
+     *     "label": "Team name"
+     * })
+     * @var string
+     */
+    private $name;
+
+    /**
+     * This is a dummy field, not a text actually. Only used to filter the input
+     * @Annotation\Type("Zend\Form\Element\Text")
+     * @Annotation\Required(true)
+     * @Annotation\Options({
+     *     "label": "Members"
+     * })
+     * @var array
+     */
+    private $members;
+
+    /**
+     * @Annotation\Type("Zend\Form\Element\Checkbox")
+     * @Annotation\Options({
+     *     "label": "Active"
+     * })
+     * @var bool
+     */
+    private $isActive;
+}
diff --git a/src/App/Handler/AbstractCrudHandler.php b/src/App/Handler/AbstractCrudHandler.php
new file mode 100644
index 0000000..ab0224f
--- /dev/null
+++ b/src/App/Handler/AbstractCrudHandler.php
@@ -0,0 +1,161 @@
+<?php
+
+declare(strict_types=1);
+
+namespace App\Handler;
+
+use Psr\Http\Message\ResponseInterface;
+use Psr\Http\Message\ServerRequestInterface;
+use Psr\Http\Server\RequestHandlerInterface;
+use Zend\Diactoros\Response\EmptyResponse;
+use Zend\Diactoros\Response\JsonResponse;
+use Zend\Json\Json;
+
+abstract class AbstractCrudHandler implements RequestHandlerInterface
+{
+    const IDENTIFIER_NAME = 'id';
+
+    public function handle(ServerRequestInterface $request): ResponseInterface
+    {
+        $requestMethod = strtoupper($request->getMethod());
+        $id = $request->getAttribute(static::IDENTIFIER_NAME);
+
+        switch ($requestMethod) {
+            case 'GET':
+                return isset($id)
+                    ? $this->get($request)
+                    : $this->getList($request);
+            case 'POST':
+                return $this->create($request);
+            case 'PUT':
+                return $this->update($request);
+            case 'DELETE':
+                return isset($id)
+                    ? $this->delete($request)
+                    : $this->deleteList($request);
+            case 'HEAD':
+                return $this->head($request);
+            case 'OPTIONS':
+                return $this->options($request);
+            case 'PATCH':
+                return $this->patch($request);
+            default:
+                return $this->createResponse(['content' => 'Method not allowed'], 405);
+        }
+    }
+
+    public function get(ServerRequestInterface $request)
+    {
+        return $this->createResponse(['content' => 'Method not allowed'], 405);
+    }
+
+    public function getList(ServerRequestInterface $request)
+    {
+        return $this->createResponse(['content' => 'Method not allowed'], 405);
+    }
+
+    public function create(ServerRequestInterface $request)
+    {
+        return $this->createResponse(['content' => 'Method not allowed'], 405);
+    }
+
+    public function update(ServerRequestInterface $request)
+    {
+        return $this->createResponse(['content' => 'Method not allowed'], 405);
+    }
+
+    public function delete(ServerRequestInterface $request)
+    {
+        return $this->createResponse(['content' => 'Method not allowed'], 405);
+    }
+
+    public function deleteList(ServerRequestInterface $request)
+    {
+        return $this->createResponse(['content' => 'Method not allowed'], 405);
+    }
+
+    public function head(ServerRequestInterface $request)
+    {
+        return $this->createResponse(['content' => 'Method not allowed'], 405);
+    }
+
+    public function options(ServerRequestInterface $request)
+    {
+        return new EmptyResponse(200);
+    }
+
+    public function patch(ServerRequestInterface $request)
+    {
+        return $this->createResponse(['content' => 'Method not allowed'], 405);
+    }
+
+    final protected function createResponse($data, $status = 200)
+    {
+        return new JsonResponse($data, $status);
+    }
+
+    /**
+     *
+     * @param ServerRequestInterface $request
+     * @return array|object
+     */
+    public function getRequestData(ServerRequestInterface $request)
+    {
+        $body = $request->getParsedBody();
+
+        if (!empty($body)) {
+            return $body;
+        }
+
+        return $this->parseRequestData(
+            $request->getBody()->getContents(),
+            $request->getHeaderLine('content-type')
+        );
+    }
+
+    /**
+     *
+     * @param string $input
+     * @param string $contentType
+     * @return mixed
+     */
+    private function parseRequestData($input, $contentType)
+    {
+        $contentTypeParts = preg_split('/\s*[;,]\s*/', $contentType);
+        $parser = $this->returnParserContentType($contentTypeParts[0]);
+
+        return $parser($input);
+    }
+
+    /**
+     *
+     * @param string $contentType
+     * @return callable
+     */
+    private function returnParserContentType(string $contentType): callable
+    {
+        if ($contentType === 'application/x-www-form-urlencoded') {
+            return function ($input) {
+                parse_str($input, $data);
+                return $data;
+            };
+        } elseif ($contentType === 'application/json') {
+            return function ($input) {
+                $jsonDecoder = new Json();
+                try {
+                    return $jsonDecoder->decode($input, Json::TYPE_ARRAY);
+                } catch (\Exception $e) {
+                    return false;
+                }
+            };
+        } elseif ($contentType === 'multipart/form-data') {
+            return function ($input) {
+                return $input;
+            };
+        }
+
+        return function ($input) {
+            return $input;
+        };
+    }
+}
diff --git a/src/App/Handler/HomePageHandler.php b/src/App/Handler/HomePageHandler.php
new file mode 100644
index 0000000..b969d39
--- /dev/null
+++ b/src/App/Handler/HomePageHandler.php
@@ -0,0 +1,94 @@
+<?php
+
+declare(strict_types=1);
+
+namespace App\Handler;
+
+use Psr\Http\Message\ResponseInterface;
+use Psr\Http\Message\ServerRequestInterface;
+use Psr\Http\Server\RequestHandlerInterface;
+use Zend\Diactoros\Response\HtmlResponse;
+use Zend\Diactoros\Response\JsonResponse;
+use Zend\Expressive\Plates\PlatesRenderer;
+use Zend\Expressive\Router;
+use Zend\Expressive\Template;
+use Zend\Expressive\Twig\TwigRenderer;
+use Zend\Expressive\ZendView\ZendViewRenderer;
+
+class HomePageHandler implements RequestHandlerInterface
+{
+    private $containerName;
+
+    private $router;
+
+    private $template;
+
+    public function __construct(
+        Router\RouterInterface $router,
+        Template\TemplateRendererInterface $template = null,
+        string $containerName
+    ) {
+        $this->router        = $router;
+        $this->template      = $template;
+        $this->containerName = $containerName;
+    }
+
+    public function handle(ServerRequestInterface $request) : ResponseInterface
+    {
+        if (! $this->template) {
+            return new JsonResponse([
+                'welcome' => 'Congratulations! You have installed the zend-expressive skeleton application.',
+                'docsUrl' => 'https://docs.zendframework.com/zend-expressive/',
+            ]);
+        }
+
+        $data = [];
+
+        switch ($this->containerName) {
+            case 'Aura\Di\Container':
+                $data['containerName'] = 'Aura.Di';
+                $data['containerDocs'] = 'http://auraphp.com/packages/2.x/Di.html';
+                break;
+            case 'Pimple\Container':
+                $data['containerName'] = 'Pimple';
+                $data['containerDocs'] = 'https://pimple.symfony.com/';
+                break;
+            case 'Zend\ServiceManager\ServiceManager':
+                $data['containerName'] = 'Zend Servicemanager';
+                $data['containerDocs'] = 'https://docs.zendframework.com/zend-servicemanager/';
+                break;
+            case 'Auryn\Injector':
+                $data['containerName'] = 'Auryn';
+                $data['containerDocs'] = 'https://github.com/rdlowrey/Auryn';
+                break;
+            case 'Symfony\Component\DependencyInjection\ContainerBuilder':
+                $data['containerName'] = 'Symfony DI Container';
+                $data['containerDocs'] = 'https://symfony.com/doc/current/service_container.html';
+                break;
+        }
+
+        if ($this->router instanceof Router\AuraRouter) {
+            $data['routerName'] = 'Aura.Router';
+            $data['routerDocs'] = 'http://auraphp.com/packages/2.x/Router.html';
+        } elseif ($this->router instanceof Router\FastRouteRouter) {
+            $data['routerName'] = 'FastRoute';
+            $data['routerDocs'] = 'https://github.com/nikic/FastRoute';
+        } elseif ($this->router instanceof Router\ZendRouter) {
+            $data['routerName'] = 'Zend Router';
+            $data['routerDocs'] = 'https://docs.zendframework.com/zend-router/';
+        }
+
+        if ($this->template instanceof PlatesRenderer) {
+            $data['templateName'] = 'Plates';
+            $data['templateDocs'] = 'http://platesphp.com/';
+        } elseif ($this->template instanceof TwigRenderer) {
+            $data['templateName'] = 'Twig';
+            $data['templateDocs'] = 'http://twig.sensiolabs.org/documentation';
+        } elseif ($this->template instanceof ZendViewRenderer) {
+            $data['templateName'] = 'Zend View';
+            $data['templateDocs'] = 'https://docs.zendframework.com/zend-view/';
+        }
+
+        return new HtmlResponse($this->template->render('app::home-page', $data));
+    }
+}
diff --git a/src/App/Handler/HomePageHandlerFactory.php b/src/App/Handler/HomePageHandlerFactory.php
new file mode 100644
index 0000000..576e950
--- /dev/null
+++ b/src/App/Handler/HomePageHandlerFactory.php
@@ -0,0 +1,23 @@
+<?php
+
+declare(strict_types=1);
+
+namespace App\Handler;
+
+use Psr\Container\ContainerInterface;
+use Psr\Http\Server\RequestHandlerInterface;
+use Zend\Expressive\Router\RouterInterface;
+use Zend\Expressive\Template\TemplateRendererInterface;
+
+class HomePageHandlerFactory
+{
+    public function __invoke(ContainerInterface $container) : RequestHandlerInterface
+    {
+        $router   = $container->get(RouterInterface::class);
+        $template = $container->has(TemplateRendererInterface::class)
+            ? $container->get(TemplateRendererInterface::class)
+            : null;
+
+        return new HomePageHandler($router, $template, get_class($container));
+    }
+}
diff --git a/src/App/Handler/PingHandler.php b/src/App/Handler/PingHandler.php
new file mode 100644
index 0000000..cd1c43d
--- /dev/null
+++ b/src/App/Handler/PingHandler.php
@@ -0,0 +1,18 @@
+<?php
+
+declare(strict_types=1);
+
+namespace App\Handler;
+
+use Psr\Http\Message\ResponseInterface;
+use Psr\Http\Message\ServerRequestInterface;
+use Psr\Http\Server\RequestHandlerInterface;
+use Zend\Diactoros\Response\JsonResponse;
+
+class PingHandler implements RequestHandlerInterface
+{
+    public function handle(ServerRequestInterface $request) : ResponseInterface
+    {
+        return new JsonResponse(['ack' => time()]);
+    }
+}
diff --git a/src/App/Handler/SlideHandler.php b/src/App/Handler/SlideHandler.php
new file mode 100644
index 0000000..98aedc4
--- /dev/null
+++ b/src/App/Handler/SlideHandler.php
@@ -0,0 +1,73 @@
+<?php
+
+declare(strict_types=1);
+
+namespace App\Handler;
+
+use App\Service\SlideManager;
+use Doctrine\DBAL\Exception\UniqueConstraintViolationException;
+use Psr\Http\Message\ResponseInterface;
+use Psr\Http\Message\ServerRequestInterface;
+use Zend\Diactoros\Response\JsonResponse;
+
+class SlideHandler extends AbstractCrudHandler
+{
+    /** @var SlideManager  */
+    private $slideManager;
+
+    public function __construct(SlideManager $teamService) {
+        $this->slideManager = $teamService;
+    }
+
+    /**
+     * @param ServerRequestInterface $request
+     * @return ResponseInterface
+     */
+    public function getList(ServerRequestInterface $request): ResponseInterface
+    {
+        return new JsonResponse($this->slideManager->listSlides());
+    }
+
+    /**
+     * @param ServerRequestInterface $request
+     * @return ResponseInterface
+     */
+    public function get(ServerRequestInterface $request): ResponseInterface
+    {
+        $id = $request->getAttribute('id');
+        return new JsonResponse($this->slideManager->getSlide((int)$id));
+    }
+
+    /**
+     * @param ServerRequestInterface $request
+     * @return JsonResponse
+     * @throws \Doctrine\ORM\ORMException
+     * @throws \Doctrine\ORM\OptimisticLockException
+     */
+    public function create(ServerRequestInterface $request)
+    {
+        $data = $this->getRequestData($request);
+        try {
+            return new JsonResponse($this->slideManager->addSlide($data));
+        } catch (UniqueConstraintViolationException $e) {
+            return new JsonResponse([
+                'message' => 'The field `name` must be unique',
+            ], 500);
+        } catch (\InvalidArgumentException $e) {
+            return new JsonResponse([
+                'message' => $e->getMessage(),
+            ], 500);
+        }
+    }
+
+    /**
+     * @param ServerRequestInterface $request
+     * @return JsonResponse
+     * @throws \Doctrine\ORM\ORMException
+     */
+    public function delete(ServerRequestInterface $request)
+    {
+        $id = $request->getAttribute('id');
+        return new JsonResponse($this->slideManager->removeSlide($id));
+    }
+}
diff --git a/src/App/Handler/SlideHandlerFactory.php b/src/App/Handler/SlideHandlerFactory.php
new file mode 100644
index 0000000..e203743
--- /dev/null
+++ b/src/App/Handler/SlideHandlerFactory.php
@@ -0,0 +1,22 @@
+<?php
+
+declare(strict_types=1);
+
+namespace App\Handler;
+
+use App\Service\SlideManager;
+use Psr\Container\ContainerInterface;
+use Psr\Http\Server\RequestHandlerInterface;
+
+class SlideHandlerFactory
+{
+    /**
+     * @param ContainerInterface $container
+     * @return RequestHandlerInterface
+     */
+    public function __invoke(ContainerInterface $container) : RequestHandlerInterface
+    {
+        $slideManager = $container->get(SlideManager::class);
+        return new SlideHandler($slideManager);
+    }
+}
diff --git a/src/App/Handler/TeamHandler.php b/src/App/Handler/TeamHandler.php
new file mode 100644
index 0000000..81afc6f
--- /dev/null
+++ b/src/App/Handler/TeamHandler.php
@@ -0,0 +1,73 @@
+<?php
+
+declare(strict_types=1);
+
+namespace App\Handler;
+
+use App\Service\TeamService;
+use Doctrine\DBAL\Exception\UniqueConstraintViolationException;
+use Psr\Http\Message\ResponseInterface;
+use Psr\Http\Message\ServerRequestInterface;
+use Zend\Diactoros\Response\JsonResponse;
+
+class TeamHandler extends AbstractCrudHandler
+{
+    /** @var TeamService  */
+    private $teamService;
+
+    public function __construct(TeamService $teamService) {
+        $this->teamService = $teamService;
+    }
+
+    /**
+     * @param ServerRequestInterface $request
+     * @return ResponseInterface
+     */
+    public function getList(ServerRequestInterface $request): ResponseInterface
+    {
+        return new JsonResponse($this->teamService->listTeams());
+    }
+
+    /**
+     * @param ServerRequestInterface $request
+     * @return ResponseInterface
+     */
+    public function get(ServerRequestInterface $request): ResponseInterface
+    {
+        $id = $request->getAttribute('id');
+        return new JsonResponse($this->teamService->getTeam((int)$id));
+    }
+
+    /**
+     * @param ServerRequestInterface $request
+     * @return JsonResponse
+     * @throws \Doctrine\ORM\ORMException
+     * @throws \Doctrine\ORM\OptimisticLockException
+     */
+    public function create(ServerRequestInterface $request)
+    {
+        $data = $this->getRequestData($request);
+        try {
+            return new JsonResponse($this->teamService->addTeam($data));
+        } catch (UniqueConstraintViolationException $e) {
+            return new JsonResponse([
+                'message' => 'The field `name` must be unique',
+            ], 500);
+        } catch (\InvalidArgumentException $e) {
+            return new JsonResponse([
+                'message' => $e->getMessage(),
+            ], 500);
+        }
+    }
+
+    /**
+     * @param ServerRequestInterface $request
+     * @return JsonResponse
+     * @throws \Doctrine\ORM\ORMException
+     */
+    public function delete(ServerRequestInterface $request)
+    {
+        $id = $request->getAttribute('id');
+        return new JsonResponse($this->teamService->removeTeam($id));
+    }
+}
diff --git a/src/App/Handler/TeamHandlerFactory.php b/src/App/Handler/TeamHandlerFactory.php
new file mode 100644
index 0000000..741e425
--- /dev/null
+++ b/src/App/Handler/TeamHandlerFactory.php
@@ -0,0 +1,22 @@
+<?php
+
+declare(strict_types=1);
+
+namespace App\Handler;
+
+use App\Service\TeamService;
+use Psr\Container\ContainerInterface;
+use Psr\Http\Server\RequestHandlerInterface;
+
+class TeamHandlerFactory
+{
+    /**
+     * @param ContainerInterface $container
+     * @return RequestHandlerInterface
+     */
+    public function __invoke(ContainerInterface $container) : RequestHandlerInterface
+    {
+        $teamService = $container->get(TeamService::class);
+        return new TeamHandler($teamService);
+    }
+}
diff --git a/src/App/Service/SlideManager.php b/src/App/Service/SlideManager.php
new file mode 100644
index 0000000..e8d88cc
--- /dev/null
+++ b/src/App/Service/SlideManager.php
@@ -0,0 +1,124 @@
+<?php
+
+declare(strict_types=1);
+
+namespace App\Service;
+
+use App\Entity\Slide;
+use Doctrine\ORM\EntityManager;
+use Zend\Form\Form;
+
+class SlideManager
+{
+    const ENTITY_NAME = Slide::class;
+
+    /** @var EntityManager */
+    private $em;
+
+    /** @var Form */
+    private $form;
+
+    public function __construct(EntityManager $em, Form $form)
+    {
+        $this->em = $em;
+        $this->form = $form;
+    }
+
+    /**
+     * @return array
+     */
+    public function listSlides(): array
+    {
+        return $this->em->getRepository(self::ENTITY_NAME)->findBy([
+            'isActive' => true,
+        ]);
+    }
+
+    /**
+     * @param int $id
+     * @return Slide
+     */
+    public function getSlide(int $id): Slide
+    {
+        /** @var Slide $entity */
+        $entity = $this->em->getRepository(self::ENTITY_NAME)->find($id);
+        return $entity;
+    }
+
+    /**
+     * @param array $data
+     * @return Slide
+     * @throws \Doctrine\ORM\ORMException
+     * @throws \Doctrine\ORM\OptimisticLockException
+     * @throws \Doctrine\DBAL\Exception\UniqueConstraintViolationException
+     */
+    public function addSlide(array $data)
+    {
+        $entity = new Slide();
+        $this->form
+            ->bind($entity)
+            ->setData($data);
+
+        if ($this->form->isValid()) {
+            $this->em->persist($entity);
+            $this->em->flush();
+            return $entity;
+        } else {
+            $messages = $this->form->getMessages();
+            $fields = array_keys($messages);
+            throw new \InvalidArgumentException(sprintf(
+                "The following fields are invalid: (%s)",
+                implode(", ", $fields)
+            ));
+        }
+    }
+
+    /**
+     * @param int $id
+     * @param array $data
+     * @return bool
+     * @throws \Doctrine\ORM\ORMException
+     * @throws \Doctrine\ORM\OptimisticLockException
+     */
+    public function changeSlide(int $id, array $data): bool
+    {
+        if (null === ($entity = $this->getSlide($id))) {
+            return false;
+        }
+        $this->form
+            ->bind($entity)
+            ->setData($data);
+
+        if ($this->form->isValid()) {
+            $this->em->flush();
+            return true;
+        }
+        return false;
+    }
+
+    /**
+     * @param int $id
+     * @return bool
+     * @throws \Doctrine\ORM\ORMException
+     */
+    public function removeSlide(int $id): bool
+    {
+        if (null !== ($entity = $this->getSlide($id))) {
+            $this->em->remove($entity);
+            return true;
+        }
+        return false;
+    }
+
+    /**
+     * @param int $id
+     * @param bool $isVisible
+     * @return bool
+     * @throws \Doctrine\ORM\ORMException
+     * @throws \Doctrine\ORM\OptimisticLockException
+     */
+    public function setSlideVisible(int $id, bool $isVisible): bool
+    {
+        return $this->changeSlide($id, ['isVisible' => $isVisible]);
+    }
+}
diff --git a/src/App/Service/SlideManagerFactory.php b/src/App/Service/SlideManagerFactory.php
new file mode 100644
index 0000000..e399319
--- /dev/null
+++ b/src/App/Service/SlideManagerFactory.php
@@ -0,0 +1,23 @@
+<?php
+
+declare(strict_types=1);
+
+namespace App\Service;
+
+use App\Form\Team;
+use Doctrine\ORM\EntityManager;
+use Psr\Container\ContainerInterface;
+use Zend\Form\Annotation\AnnotationBuilder;
+use Zend\Form\Form;
+
+class SlideManagerFactory
+{
+    public function __invoke(ContainerInterface $container) : SlideManager
+    {
+        $em = $container->get(EntityManager::class);
+        $formBuilder = $container->get(AnnotationBuilder::class);
+        /** @var Form $form */
+        $form = $formBuilder->createForm(Team::class);
+        return new SlideManager($em, $form);
+    }
+}
\ No newline at end of file
diff --git a/src/App/Service/TeamService.php b/src/App/Service/TeamService.php
new file mode 100644
index 0000000..4e37f87
--- /dev/null
+++ b/src/App/Service/TeamService.php
@@ -0,0 +1,124 @@
+<?php
+
+declare(strict_types=1);
+
+namespace App\Service;
+
+use App\Entity\Team;
+use Doctrine\ORM\EntityManager;
+use Zend\Form\Form;
+
+class TeamService
+{
+    const ENTITY_NAME = Team::class;
+
+    /** @var EntityManager */
+    private $em;
+
+    /** @var Form */
+    private $form;
+
+    public function __construct(EntityManager $em, Form $form)
+    {
+        $this->em = $em;
+        $this->form = $form;
+    }
+
+    /**
+     * @return array
+     */
+    public function listTeams(): array
+    {
+        return $this->em->getRepository(self::ENTITY_NAME)->findBy([
+            'isActive' => true,
+        ]);
+    }
+
+    /**
+     * @param int $id
+     * @return Team
+     */
+    public function getTeam(int $id): ?Team
+    {
+        /** @var Team $entity */
+        $entity = $this->em->getRepository(self::ENTITY_NAME)->find($id);
+        return $entity;
+    }
+
+    /**
+     * @param array $data
+     * @return Team
+     * @throws \Doctrine\ORM\ORMException
+     * @throws \Doctrine\ORM\OptimisticLockException
+     * @throws \Doctrine\DBAL\Exception\UniqueConstraintViolationException
+     */
+    public function addTeam(array $data): Team
+    {
+        $entity = new Team();
+        $this->form
+            ->bind($entity)
+            ->setData($data);
+
+        if ($this->form->isValid()) {
+            $this->em->persist($entity);
+            $this->em->flush();
+            return $entity;
+        } else {
+            $messages = $this->form->getMessages();
+            $fields = array_keys($messages);
+            throw new \InvalidArgumentException(sprintf(
+                "The following fields are invalid: (%s)",
+                implode(", ", $fields)
+            ));
+        }
+    }
+
+    /**
+     * @param int $id
+     * @param array $data
+     * @return bool
+     * @throws \Doctrine\ORM\ORMException
+     * @throws \Doctrine\ORM\OptimisticLockException
+     */
+    public function changeTeam(int $id, array $data): bool
+    {
+        if (null === ($entity = $this->getTeam($id))) {
+            return false;
+        }
+        $this->form
+            ->bind($entity)
+            ->setData($data);
+
+        if ($this->form->isValid()) {
+            $this->em->flush();
+            return true;
+        }
+        return false;
+    }
+
+    /**
+     * @param int $id
+     * @return bool
+     * @throws \Doctrine\ORM\ORMException
+     */
+    public function removeTeam(int $id): bool
+    {
+        if (null !== ($entity = $this->getTeam($id))) {
+            $this->em->remove($entity);
+            return true;
+        }
+        return false;
+    }
+
+    /**
+     * @param int $id
+     * @param bool $isVisible
+     * @return bool
+     * @throws \Doctrine\ORM\ORMException
+     * @throws \Doctrine\ORM\OptimisticLockException
+     */
+    public function setTeamActive(int $id, bool $isVisible): bool
+    {
+        return $this->changeTeam($id, ['isVisible' => $isVisible]);
+    }
+}
diff --git a/src/App/Service/TeamServiceFactory.php b/src/App/Service/TeamServiceFactory.php
new file mode 100644
index 0000000..2806f5f
--- /dev/null
+++ b/src/App/Service/TeamServiceFactory.php
@@ -0,0 +1,23 @@
+<?php
+
+declare(strict_types=1);
+
+namespace App\Service;
+
+use App\Form\Team;
+use Doctrine\ORM\EntityManager;
+use Psr\Container\ContainerInterface;
+use Zend\Form\Annotation\AnnotationBuilder;
+use Zend\Form\Form;
+
+class TeamServiceFactory
+{
+    public function __invoke(ContainerInterface $container) : TeamService
+    {
+        $em = $container->get(EntityManager::class);
+        $formBuilder = $container->get(AnnotationBuilder::class);
+        /** @var Form $form */
+        $form = $formBuilder->createForm(Team::class);
+        return new TeamService($em, $form);
+    }
+}
\ No newline at end of file
diff --git a/src/DoctrineExpressiveModule/ConfigProvider.php b/src/DoctrineExpressiveModule/ConfigProvider.php
new file mode 100644
index 0000000..2768362
--- /dev/null
+++ b/src/DoctrineExpressiveModule/ConfigProvider.php
@@ -0,0 +1,48 @@
+<?php
+
+declare(strict_types=1);
+
+namespace DoctrineExpressiveModule;
+
+use Zend\EventManager\EventManager;
+
+/**
+ * The configuration provider for the DoctrineExpressiveModule module
+ *
+ * @see https://docs.zendframework.com/zend-component-installer/
+ */
+class ConfigProvider
+{
+    /**
+     * Returns the configuration array
+     *
+     * To add a bit of a structure, each section is defined in a separate
+     * method which returns an array with its configuration.
+     *
+     */
+    public function __invoke() : array
+    {
+        return [
+            'dependencies' => $this->getDependencies(),
+        ];
+    }
+
+    /**
+     * Returns the container dependencies
+     */
+    public function getDependencies() : array
+    {
+        return [
+            'aliases' => [
+                'doctrine.hydrator' => Hydrator\DoctrineObject::class,
+                'EventManager' => EventManager::class,
+            ],
+            'invokables' => [
+                EventManager::class => EventManager::class,
+            ],
+            'factories'  => [
+                Hydrator\DoctrineObject::class => Hydrator\DoctrineObjectFactory::class,
+            ],
+        ];
+    }
+}
diff --git a/src/DoctrineExpressiveModule/Form/Element/Exception/InvalidRepositoryResultException.php b/src/DoctrineExpressiveModule/Form/Element/Exception/InvalidRepositoryResultException.php
new file mode 100644
index 0000000..968e053
--- /dev/null
+++ b/src/DoctrineExpressiveModule/Form/Element/Exception/InvalidRepositoryResultException.php
@@ -0,0 +1,9 @@
+<?php
+
+namespace DoctrineExpressiveModule\Form\Element\Exception;
+
+use InvalidArgumentException;
+
+class InvalidRepositoryResultException extends InvalidArgumentException
+{
+}
diff --git a/src/DoctrineExpressiveModule/Form/Element/ObjectMultiCheckbox.php b/src/DoctrineExpressiveModule/Form/Element/ObjectMultiCheckbox.php
new file mode 100644
index 0000000..7273b62
--- /dev/null
+++ b/src/DoctrineExpressiveModule/Form/Element/ObjectMultiCheckbox.php
@@ -0,0 +1,82 @@
+<?php
+
+namespace DoctrineExpressiveModule\Form\Element;
+
+use DoctrineModule\Form\Element\Proxy;
+use Zend\Form\Element\MultiCheckbox;
+use Zend\Form\Form;
+use Zend\Stdlib\ArrayUtils;
+
+class ObjectMultiCheckbox extends MultiCheckbox
+{
+    /**
+     * @var Proxy
+     */
+    protected $proxy;
+
+    /**
+     * @return Proxy
+     */
+    public function getProxy()
+    {
+        if (null === $this->proxy) {
+            $this->proxy = new Proxy();
+        }
+        return $this->proxy;
+    }
+
+    /**
+     * @param  array|\Traversable $options
+     * @return self
+     */
+    public function setOptions($options)
+    {
+        $this->getProxy()->setOptions($options);
+        return parent::setOptions($options);
+    }
+
+    /**
+     * @param string $key
+     * @param mixed $value
+     * @return self
+     */
+    public function setOption($key, $value)
+    {
+        $this->getProxy()->setOptions([$key => $value]);
+        return parent::setOption($key, $value);
+    }
+
+    /**
+     * {@inheritDoc}
+     */
+    public function setValue($value)
+    {
+        if ($value instanceof \Traversable) {
+            $value = ArrayUtils::iteratorToArray($value);
+        } elseif ($value == null) {
+            return parent::setValue([]);
+        } elseif (! is_array($value)) {
+            $value = (array)$value;
+        }
+
+        return parent::setValue(array_map([$this->getProxy(), 'getValue'], $value));
+    }
+
+    /**
+     * {@inheritDoc}
+     */
+    public function getValueOptions()
+    {
+        if (! empty($this->valueOptions)) {
+            return $this->valueOptions;
+        }
+
+        $proxyValueOptions = $this->getProxy()->getValueOptions();
+
+        if (! empty($proxyValueOptions)) {
+            $this->setValueOptions($proxyValueOptions);
+        }
+
+        return $this->valueOptions;
+    }
+}
diff --git a/src/DoctrineExpressiveModule/Form/Element/ObjectRadio.php b/src/DoctrineExpressiveModule/Form/Element/ObjectRadio.php
new file mode 100644
index 0000000..05c4315
--- /dev/null
+++ b/src/DoctrineExpressiveModule/Form/Element/ObjectRadio.php
@@ -0,0 +1,73 @@
+<?php
+
+namespace DoctrineExpressiveModule\Form\Element;
+
+use DoctrineExpressiveModule\Form\Element\Proxy;
+use Zend\Form\Element\Radio as RadioElement;
+use Zend\Form\Form;
+
+class ObjectRadio extends RadioElement
+{
+    /**
+     * @var Proxy
+     */
+    protected $proxy;
+
+    /**
+     * @return Proxy
+     */
+    public function getProxy()
+    {
+        if (null === $this->proxy) {
+            $this->proxy = new Proxy();
+        }
+        return $this->proxy;
+    }
+
+    /**
+     * @param  array|\Traversable $options
+     * @return self
+     */
+    public function setOptions($options)
+    {
+        $this->getProxy()->setOptions($options);
+        return parent::setOptions($options);
+    }
+
+    /**
+     * @param string $key
+     * @param mixed $value
+     * @return self
+     */
+    public function setOption($key, $value)
+    {
+        $this->getProxy()->setOptions([$key => $value]);
+        return parent::setOption($key, $value);
+    }
+
+    /**
+     * {@inheritDoc}
+     */
+    public function setValue($value)
+    {
+        return parent::setValue($this->getProxy()->getValue($value));
+    }
+
+    /**
+     * {@inheritDoc}
+     */
+    public function getValueOptions()
+    {
+        if (! empty($this->valueOptions)) {
+            return $this->valueOptions;
+        }
+
+        $proxyValueOptions = $this->getProxy()->getValueOptions();
+
+        if (! empty($proxyValueOptions)) {
+            $this->setValueOptions($proxyValueOptions);
+        }
+
+        return $this->valueOptions;
+    }
+}
diff --git a/src/DoctrineExpressiveModule/Form/Element/ObjectSelect.php b/src/DoctrineExpressiveModule/Form/Element/ObjectSelect.php
new file mode 100644
index 0000000..2adeacd
--- /dev/null
+++ b/src/DoctrineExpressiveModule/Form/Element/ObjectSelect.php
@@ -0,0 +1,88 @@
+<?php
+
+namespace DoctrineExpressiveModule\Form\Element;
+
+use DoctrineExpressiveModule\Form\Element\Proxy;
+use Zend\Form\Element\Select as SelectElement;
+use Zend\Form\Form;
+use Zend\Stdlib\ArrayUtils;
+
+class ObjectSelect extends SelectElement
+{
+    /**
+     * @var Proxy
+     */
+    protected $proxy;
+
+    /**
+     * @return Proxy
+     */
+    public function getProxy()
+    {
+        if (null === $this->proxy) {
+            $this->proxy = new Proxy();
+        }
+        return $this->proxy;
+    }
+
+    /**
+     * @param  array|\Traversable $options
+     * @return self
+     */
+    public function setOptions($options)
+    {
+        $this->getProxy()->setOptions($options);
+        return parent::setOptions($options);
+    }
+
+    /**
+     * @param string $key
+     * @param mixed $value
+     * @return self
+     */
+    public function setOption($key, $value)
+    {
+        $this->getProxy()->setOptions([$key => $value]);
+        return parent::setOption($key, $value);
+    }
+
+    /**
+     * {@inheritDoc}
+     */
+    public function setValue($value)
+    {
+        $multiple = $this->getAttribute('multiple');
+
+        if (true === $multiple || 'multiple' === $multiple) {
+            if ($value instanceof \Traversable) {
+                $value = ArrayUtils::iteratorToArray($value);
+            } elseif ($value == null) {
+                return parent::setValue([]);
+            } elseif (! is_array($value)) {
+                $value = (array) $value;
+            }
+
+            return parent::setValue(array_map([$this->getProxy(), 'getValue'], $value));
+        }
+
+        return parent::setValue($this->getProxy()->getValue($value));
+    }
+
+    /**
+     * {@inheritDoc}
+     */
+    public function getValueOptions()
+    {
+        if (! empty($this->valueOptions)) {
+            return $this->valueOptions;
+        }
+
+        $proxyValueOptions = $this->getProxy()->getValueOptions();
+
+        if (! empty($proxyValueOptions)) {
+            $this->setValueOptions($proxyValueOptions);
+        }
+
+        return $this->valueOptions;
+    }
+}
diff --git a/src/DoctrineExpressiveModule/Form/Element/Proxy.php b/src/DoctrineExpressiveModule/Form/Element/Proxy.php
new file mode 100644
index 0000000..fa73e2a
--- /dev/null
+++ b/src/DoctrineExpressiveModule/Form/Element/Proxy.php
@@ -0,0 +1,653 @@
+<?php
+
+namespace DoctrineExpressiveModule\Form\Element;
+
+use Traversable;
+use ReflectionMethod;
+use RuntimeException;
+use InvalidArgumentException;
+use Zend\Stdlib\Guard\ArrayOrTraversableGuardTrait;
+use Doctrine\Common\Collections\Collection;
+use Doctrine\Common\Persistence\ObjectManager;
+use Doctrine\Common\Util\Inflector;
+
+class Proxy
+{
+    use ArrayOrTraversableGuardTrait;
+
+    /**
+     * @var array|Traversable
+     */
+    protected $objects;
+
+    /**
+     * @var string
+     */
+    protected $targetClass;
+
+    /**
+     * @var array
+     */
+    protected $valueOptions = [];
+
+    /**
+     * @var array
+     */
+    protected $findMethod = [];
+
+    /**
+     * @var
+     */
+    protected $property;
+
+    /**
+     * @var array
+     */
+    protected $option_attributes = [];
+
+    /**
+     * @var callable $labelGenerator A callable used to create a label based on an item in the collection an Entity
+     */
+    protected $labelGenerator;
+
+    /**
+     * @var bool|null
+     */
+    protected $isMethod;
+
+    /**
+     * @var ObjectManager
+     */
+    protected $objectManager;
+
+    /**
+     * @var bool
+     */
+    protected $displayEmptyItem = false;
+
+    /**
+     * @var string
+     */
+    protected $emptyItemLabel = '';
+
+    /**
+     * @var string|null
+     */
+    protected $optgroupIdentifier;
+
+    /**
+     * @var string|null
+     */
+    protected $optgroupDefault;
+
+    public function setOptions($options)
+    {
+        if (isset($options['object_manager'])) {
+            $this->setObjectManager($options['object_manager']);
+        }
+
+        if (isset($options['target_class'])) {
+            $this->setTargetClass($options['target_class']);
+        }
+
+        if (isset($options['property'])) {
+            $this->setProperty($options['property']);
+        }
+
+        if (isset($options['label_generator'])) {
+            $this->setLabelGenerator($options['label_generator']);
+        }
+
+        if (isset($options['find_method'])) {
+            $this->setFindMethod($options['find_method']);
+        }
+
+        if (isset($options['is_method'])) {
+            $this->setIsMethod($options['is_method']);
+        }
+
+        if (isset($options['display_empty_item'])) {
+            $this->setDisplayEmptyItem($options['display_empty_item']);
+        }
+
+        if (isset($options['empty_item_label'])) {
+            $this->setEmptyItemLabel($options['empty_item_label']);
+        }
+
+        if (isset($options['option_attributes'])) {
+            $this->setOptionAttributes($options['option_attributes']);
+        }
+
+        if (isset($options['optgroup_identifier'])) {
+            $this->setOptgroupIdentifier($options['optgroup_identifier']);
+        }
+
+        if (isset($options['optgroup_default'])) {
+            $this->setOptgroupDefault($options['optgroup_default']);
+        }
+    }
+
+    public function getValueOptions()
+    {
+        if (empty($this->valueOptions)) {
+            $this->loadValueOptions();
+        }
+
+        return $this->valueOptions;
+    }
+
+    /**
+     * @return array|Traversable
+     */
+    public function getObjects()
+    {
+        $this->loadObjects();
+
+        return $this->objects;
+    }
+
+    /**
+     * Set the label for the empty option
+     *
+     * @param string $emptyItemLabel
+     *
+     * @return Proxy
+     */
+    public function setEmptyItemLabel($emptyItemLabel)
+    {
+        $this->emptyItemLabel = $emptyItemLabel;
+
+        return $this;
+    }
+
+    /**
+     * @return string
+     */
+    public function getEmptyItemLabel()
+    {
+        return $this->emptyItemLabel;
+    }
+
+    /**
+     * @return array
+     */
+    public function getOptionAttributes()
+    {
+        return $this->option_attributes;
+    }
+
+    /**
+     * @param array $option_attributes
+     */
+    public function setOptionAttributes(array $option_attributes)
+    {
+        $this->option_attributes = $option_attributes;
+    }
+
+    /**
+     * Set a flag, whether to include the empty option at the beginning or not
+     *
+     * @param boolean $displayEmptyItem
+     *
+     * @return Proxy
+     */
+    public function setDisplayEmptyItem($displayEmptyItem)
+    {
+        $this->displayEmptyItem = $displayEmptyItem;
+
+        return $this;
+    }
+
+    /**
+     * @return boolean
+     */
+    public function getDisplayEmptyItem()
+    {
+        return $this->displayEmptyItem;
+    }
+
+    /**
+     * Set the object manager
+     *
+     * @param  ObjectManager $objectManager
+     *
+     * @return Proxy
+     */
+    public function setObjectManager(ObjectManager $objectManager)
+    {
+        $this->objectManager = $objectManager;
+
+        return $this;
+    }
+
+    /**
+     * Get the object manager
+     *
+     * @return ObjectManager
+     */
+    public function getObjectManager()
+    {
+        return $this->objectManager;
+    }
+
+    /**
+     * Set the FQCN of the target object
+     *
+     * @param  string $targetClass
+     *
+     * @return Proxy
+     */
+    public function setTargetClass($targetClass)
+    {
+        $this->targetClass = $targetClass;
+
+        return $this;
+    }
+
+    /**
+     * Get the target class
+     *
+     * @return string
+     */
+    public function getTargetClass()
+    {
+        return $this->targetClass;
+    }
+
+    /**
+     * Set the property to use as the label in the options
+     *
+     * @param  string $property
+     *
+     * @return Proxy
+     */
+    public function setProperty($property)
+    {
+        $this->property = $property;
+
+        return $this;
+    }
+
+    /**
+     * @return mixed
+     */
+    public function getProperty()
+    {
+        return $this->property;
+    }
+
+    /**
+     * Set the label generator callable that is responsible for generating labels for the items in the collection
+     *
+     * @param callable $callable A callable used to create a label based off of an Entity
+     *
+     * @throws InvalidArgumentException
+     *
+     * @return void
+     */
+    public function setLabelGenerator($callable)
+    {
+        if (! is_callable($callable)) {
+            throw new InvalidArgumentException(
+                'Property "label_generator" needs to be a callable function or a \Closure'
+            );
+        }
+
+        $this->labelGenerator = $callable;
+    }
+
+    /**
+     * @return callable|null
+     */
+    public function getLabelGenerator()
+    {
+        return $this->labelGenerator;
+    }
+
+    /**
+     * @return string|null
+     */
+    public function getOptgroupIdentifier()
+    {
+        return $this->optgroupIdentifier;
+    }
+
+    /**
+     * @param string $optgroupIdentifier
+     */
+    public function setOptgroupIdentifier($optgroupIdentifier)
+    {
+        $this->optgroupIdentifier = (string) $optgroupIdentifier;
+    }
+
+    /**
+     * @return string|null
+     */
+    public function getOptgroupDefault()
+    {
+        return $this->optgroupDefault;
+    }
+
+    /**
+     * @param string $optgroupDefault
+     */
+    public function setOptgroupDefault($optgroupDefault)
+    {
+        $this->optgroupDefault = (string) $optgroupDefault;
+    }
+
+    /**
+     * Set if the property is a method to use as the label in the options
+     *
+     * @param  boolean $method
+     *
+     * @return Proxy
+     */
+    public function setIsMethod($method)
+    {
+        $this->isMethod = (bool) $method;
+
+        return $this;
+    }
+
+    /**
+     * @return mixed
+     */
+    public function getIsMethod()
+    {
+        return $this->isMethod;
+    }
+
+    /** Set the findMethod property to specify the method to use on repository
+     *
+     * @param array $findMethod
+     *
+     * @return Proxy
+     */
+    public function setFindMethod($findMethod)
+    {
+        $this->findMethod = $findMethod;
+
+        return $this;
+    }
+
+    /**
+     * Get findMethod definition
+     *
+     * @return array
+     */
+    public function getFindMethod()
+    {
+        return $this->findMethod;
+    }
+
+    /**
+     * @param $targetEntity
+     *
+     * @return string|null
+     */
+    protected function generateLabel($targetEntity)
+    {
+        if (null === ($labelGenerator = $this->getLabelGenerator())) {
+            return null;
+        }
+
+        return call_user_func($labelGenerator, $targetEntity);
+    }
+
+    /**
+     * @param  $value
+     *
+     * @return array|mixed|object
+     * @throws RuntimeException
+     */
+    public function getValue($value)
+    {
+        if (! ($om = $this->getObjectManager())) {
+            throw new RuntimeException('No object manager was set');
+        }
+
+        if (! ($targetClass = $this->getTargetClass())) {
+            throw new RuntimeException('No target class was set');
+        }
+
+        $metadata = $om->getClassMetadata($targetClass);
+
+        if (is_object($value)) {
+            if ($value instanceof Collection) {
+                $data = [];
+
+                foreach ($value as $object) {
+                    $values = $metadata->getIdentifierValues($object);
+                    $data[] = array_shift($values);
+                }
+
+                $value = $data;
+            } else {
+                $metadata   = $om->getClassMetadata(get_class($value));
+                $identifier = $metadata->getIdentifierFieldNames();
+
+                // TODO: handle composite (multiple) identifiers
+                if (null !== $identifier && count($identifier) > 1) {
+                    //$value = $key;
+                } else {
+                    $value = current($metadata->getIdentifierValues($value));
+                }
+            }
+        }
+
+        return $value;
+    }
+
+    /**
+     * Load objects
+     *
+     * @throws RuntimeException
+     * @throws Exception\InvalidRepositoryResultException
+     * @return void
+     */
+    protected function loadObjects()
+    {
+        if (! empty($this->objects)) {
+            return;
+        }
+
+        $findMethod = (array) $this->getFindMethod();
+
+        if (! $findMethod) {
+            $findMethodName = 'findAll';
+            $repository     = $this->objectManager->getRepository($this->targetClass);
+            $objects        = $repository->findAll();
+        } else {
+            if (! isset($findMethod['name'])) {
+                throw new RuntimeException('No method name was set');
+            }
+            $findMethodName   = $findMethod['name'];
+            $findMethodParams = isset($findMethod['params']) ? array_change_key_case($findMethod['params']) : [];
+            $repository       = $this->objectManager->getRepository($this->targetClass);
+
+            if (! method_exists($repository, $findMethodName)) {
+                throw new RuntimeException(
+                    sprintf(
+                        'Method "%s" could not be found in repository "%s"',
+                        $findMethodName,
+                        get_class($repository)
+                    )
+                );
+            }
+
+            $r    = new ReflectionMethod($repository, $findMethodName);
+            $args = [];
+
+            foreach ($r->getParameters() as $param) {
+                if (array_key_exists(strtolower($param->getName()), $findMethodParams)) {
+                    $args[] = $findMethodParams[strtolower($param->getName())];
+                } elseif ($param->isDefaultValueAvailable()) {
+                    $args[] = $param->getDefaultValue();
+                } elseif (! $param->isOptional()) {
+                    throw new RuntimeException(
+                        sprintf(
+                            'Required parameter "%s" with no default value for method "%s" in repository "%s"'
+                            . ' was not provided',
+                            $param->getName(),
+                            $findMethodName,
+                            get_class($repository)
+                        )
+                    );
+                }
+            }
+            $objects = $r->invokeArgs($repository, $args);
+        }
+
+        $this->guardForArrayOrTraversable(
+            $objects,
+            sprintf('%s::%s() return value', get_class($repository), $findMethodName),
+            'DoctrineModule\Form\Element\Exception\InvalidRepositoryResultException'
+        );
+
+        $this->objects = $objects;
+    }
+
+    /**
+     * Load value options
+     *
+     * @throws RuntimeException
+     * @return void
+     */
+    protected function loadValueOptions()
+    {
+        if (! ($om = $this->objectManager)) {
+            throw new RuntimeException('No object manager was set');
+        }
+
+        if (! ($targetClass = $this->targetClass)) {
+            throw new RuntimeException('No target class was set');
+        }
+
+        $metadata         = $om->getClassMetadata($targetClass);
+        $identifier       = $metadata->getIdentifierFieldNames();
+        $objects          = $this->getObjects();
+        $options          = [];
+        $optionAttributes = [];
+
+        if ($this->displayEmptyItem) {
+            $options[''] = $this->getEmptyItemLabel();
+        }
+
+        foreach ($objects as $key => $object) {
+            if (null !== ($generatedLabel = $this->generateLabel($object))) {
+                $label = $generatedLabel;
+            } elseif ($property = $this->property) {
+                if ($this->isMethod == false && ! $metadata->hasField($property)) {
+                    throw new RuntimeException(
+                        sprintf(
+                            'Property "%s" could not be found in object "%s"',
+                            $property,
+                            $targetClass
+                        )
+                    );
+                }
+
+                $getter = 'get' . Inflector::classify($property);
+
+                if (! is_callable([$object, $getter])) {
+                    throw new RuntimeException(
+                        sprintf('Method "%s::%s" is not callable', $this->targetClass, $getter)
+                    );
+                }
+
+                $label = $object->{$getter}();
+            } else {
+                if (! is_callable([$object, '__toString'])) {
+                    throw new RuntimeException(
+                        sprintf(
+                            '%s must have a "__toString()" method defined if you have not set a property'
+                            . ' or method to use.',
+                            $targetClass
+                        )
+                    );
+                }
+
+                $label = (string) $object;
+            }
+
+            if (null !== $identifier && count($identifier) > 1) {
+                $value = $key;
+            } else {
+                $value = current($metadata->getIdentifierValues($object));
+            }
+
+            foreach ($this->getOptionAttributes() as $optionKey => $optionValue) {
+                if (is_string($optionValue)) {
+                    $optionAttributes[$optionKey] = $optionValue;
+
+                    continue;
+                }
+
+                if (is_callable($optionValue)) {
+                    $callableValue                = call_user_func($optionValue, $object);
+                    $optionAttributes[$optionKey] = (string) $callableValue;
+
+                    continue;
+                }
+
+                throw new RuntimeException(
+                    sprintf(
+                        'Parameter "option_attributes" expects an array of key => value where value is of type'
+                        . '"string" or "callable". Value of type "%s" found.',
+                        gettype($optionValue)
+                    )
+                );
+            }
+
+            // If no optgroup_identifier has been configured, apply default handling and continue
+            if (is_null($this->getOptgroupIdentifier())) {
+                $options[] = ['label' => $label, 'value' => $value, 'attributes' => $optionAttributes];
+
+                continue;
+            }
+
+            // optgroup_identifier found, handle grouping
+            $optgroupGetter = 'get' . Inflector::classify($this->getOptgroupIdentifier());
+
+            if (! is_callable([$object, $optgroupGetter])) {
+                throw new RuntimeException(
+                    sprintf('Method "%s::%s" is not callable', $this->targetClass, $optgroupGetter)
+                );
+            }
+
+            $optgroup = $object->{$optgroupGetter}();
+
+            // optgroup_identifier contains a valid group-name. Handle default grouping.
+            if (false === is_null($optgroup) && trim($optgroup) !== '') {
+                $options[$optgroup]['label']     = $optgroup;
+                $options[$optgroup]['options'][] = [
+                    'label'      => $label,
+                    'value'      => $value,
+                    'attributes' => $optionAttributes,
+                ];
+
+                continue;
+            }
+
+            $optgroupDefault = $this->getOptgroupDefault();
+
+            // No optgroup_default has been provided. Line up without a group
+            if (is_null($optgroupDefault)) {
+                $options[] = ['label' => $label, 'value' => $value, 'attributes' => $optionAttributes];
+
+                continue;
+            }
+
+            // Line up entry with optgroup_default
+            $options[$optgroupDefault]['label']     = $optgroupDefault;
+            $options[$optgroupDefault]['options'][] = [
+                'label'      => $label,
+                'value'      => $value,
+                'attributes' => $optionAttributes,
+            ];
+        }
+
+        $this->valueOptions = $options;
+    }
+}
diff --git a/src/DoctrineExpressiveModule/Hydrator/DoctrineObject.php b/src/DoctrineExpressiveModule/Hydrator/DoctrineObject.php
new file mode 100644
index 0000000..95445e6
--- /dev/null
+++ b/src/DoctrineExpressiveModule/Hydrator/DoctrineObject.php
@@ -0,0 +1,594 @@
+<?php
+/*
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+ * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+ * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+ * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ *
+ * This software consists of voluntary contributions made by many individuals
+ * and is licensed under the MIT license. For more information, see
+ * <http://www.doctrine-project.org>.
+ */
+
+namespace DoctrineExpressiveModule\Hydrator;
+
+use DateTime;
+use Doctrine\Common\Persistence\Mapping\ClassMetadata;
+use Doctrine\Common\Persistence\ObjectManager;
+use Doctrine\Common\Util\Inflector;
+use InvalidArgumentException;
+use RuntimeException;
+use Traversable;
+use Zend\Stdlib\ArrayUtils;
+use Zend\Hydrator\AbstractHydrator;
+use Zend\Hydrator\Filter\FilterProviderInterface;
+
+/**
+ * This hydrator has been completely refactored for DoctrineModule 0.7.0. It provides an easy and powerful way
+ * of extracting/hydrator objects in Doctrine, by handling most associations types.
+ *
+ * Starting from DoctrineModule 0.8.0, the hydrator can be used multiple times with different objects
+ *
+ * @license MIT
+ * @link    http://www.doctrine-project.org/
+ * @since   0.7.0
+ * @author  Michael Gallego <mic.gallego@gmail.com>
+ */
+class DoctrineObject extends AbstractHydrator
+{
+    /**
+     * @var ObjectManager
+     */
+    protected $objectManager;
+
+    /**
+     * @var ClassMetadata
+     */
+    protected $metadata;
+
+    /**
+     * @var bool
+     */
+    protected $byValue = true;
+
+
+    /**
+     * Constructor
+     *
+     * @param ObjectManager $objectManager The ObjectManager to use
+     * @param bool          $byValue       If set to true, hydrator will always use entity's public API
+     */
+    public function __construct(ObjectManager $objectManager, $byValue = true)
+    {
+        parent::__construct();
+
+        $this->objectManager = $objectManager;
+        $this->byValue       = (bool) $byValue;
+    }
+
+    /**
+     * Extract values from an object
+     *
+     * @param  object $object
+     * @return array
+     */
+    public function extract($object)
+    {
+        $this->prepare($object);
+
+        if ($this->byValue) {
+            return $this->extractByValue($object);
+        }
+
+        return $this->extractByReference($object);
+    }
+
+    /**
+     * Hydrate $object with the provided $data.
+     *
+     * @param  array  $data
+     * @param  object $object
+     * @return object
+     */
+    public function hydrate(array $data, $object)
+    {
+        $this->prepare($object);
+
+        if ($this->byValue) {
+            return $this->hydrateByValue($data, $object);
+        }
+
+        return $this->hydrateByReference($data, $object);
+    }
+
+    /**
+     * Prepare the hydrator by adding strategies to every collection valued associations
+     *
+     * @param  object $object
+     * @return void
+     */
+    protected function prepare($object)
+    {
+        $this->metadata = $this->objectManager->getClassMetadata(get_class($object));
+        $this->prepareStrategies();
+    }
+
+    /**
+     * Prepare strategies before the hydrator is used
+     *
+     * @throws \InvalidArgumentException
+     * @return void
+     */
+    protected function prepareStrategies()
+    {
+        $associations = $this->metadata->getAssociationNames();
+
+        foreach ($associations as $association) {
+            if ($this->metadata->isCollectionValuedAssociation($association)) {
+                // Add a strategy if the association has none set by user
+                if (!$this->hasStrategy($association)) {
+                    if ($this->byValue) {
+                        $this->addStrategy($association, new Strategy\AllowRemoveByValue());
+                    } else {
+                        $this->addStrategy($association, new Strategy\AllowRemoveByReference());
+                    }
+                }
+
+                $strategy = $this->getStrategy($association);
+
+                if (!$strategy instanceof Strategy\AbstractCollectionStrategy) {
+                    throw new InvalidArgumentException(
+                        sprintf(
+                            'Strategies used for collections valued associations must inherit from '
+                            . 'Strategy\AbstractCollectionStrategy, %s given',
+                            get_class($strategy)
+                        )
+                    );
+                }
+
+                $strategy->setCollectionName($association)
+                         ->setClassMetadata($this->metadata);
+            }
+        }
+    }
+
+    /**
+     * Extract values from an object using a by-value logic (this means that it uses the entity
+     * API, in this case, getters)
+     *
+     * @param  object $object
+     * @throws RuntimeException
+     * @return array
+     */
+    protected function extractByValue($object)
+    {
+        $fieldNames = array_merge($this->metadata->getFieldNames(), $this->metadata->getAssociationNames());
+        $methods    = get_class_methods($object);
+        $filter     = $object instanceof FilterProviderInterface
+            ? $object->getFilter()
+            : $this->filterComposite;
+
+        $data = [];
+        foreach ($fieldNames as $fieldName) {
+            if ($filter && !$filter->filter($fieldName)) {
+                continue;
+            }
+
+            $getter = 'get' . Inflector::classify($fieldName);
+            $isser  = 'is' . Inflector::classify($fieldName);
+
+            $dataFieldName = $this->computeExtractFieldName($fieldName);
+            if (in_array($getter, $methods)) {
+                $data[$dataFieldName] = $this->extractValue($fieldName, $object->$getter(), $object);
+            } elseif (in_array($isser, $methods)) {
+                $data[$dataFieldName] = $this->extractValue($fieldName, $object->$isser(), $object);
+            } elseif (substr($fieldName, 0, 2) === 'is'
+                && ctype_upper(substr($fieldName, 2, 1))
+                && in_array($fieldName, $methods)) {
+                $data[$dataFieldName] = $this->extractValue($fieldName, $object->$fieldName(), $object);
+            }
+
+            // Unknown fields are ignored
+        }
+
+        return $data;
+    }
+
+    /**
+     * Extract values from an object using a by-reference logic (this means that values are
+     * directly fetched without using the public API of the entity, in this case, getters)
+     *
+     * @param  object $object
+     * @return array
+     */
+    protected function extractByReference($object)
+    {
+        $fieldNames = array_merge($this->metadata->getFieldNames(), $this->metadata->getAssociationNames());
+        $refl       = $this->metadata->getReflectionClass();
+        $filter     = $object instanceof FilterProviderInterface
+            ? $object->getFilter()
+            : $this->filterComposite;
+
+        $data = [];
+        foreach ($fieldNames as $fieldName) {
+            if ($filter && !$filter->filter($fieldName)) {
+                continue;
+            }
+            $reflProperty = $refl->getProperty($fieldName);
+            $reflProperty->setAccessible(true);
+
+            $dataFieldName        = $this->computeExtractFieldName($fieldName);
+            $data[$dataFieldName] = $this->extractValue($fieldName, $reflProperty->getValue($object), $object);
+        }
+
+        return $data;
+    }
+
+    /**
+     * Hydrate the object using a by-value logic (this means that it uses the entity API, in this
+     * case, setters)
+     *
+     * @param  array  $data
+     * @param  object $object
+     * @throws RuntimeException
+     * @return object
+     */
+    protected function hydrateByValue(array $data, $object)
+    {
+        $tryObject = $this->tryConvertArrayToObject($data, $object);
+        $metadata  = $this->metadata;
+
+        if (is_object($tryObject)) {
+            $object = $tryObject;
+        }
+
+        foreach ($data as $field => $value) {
+            $field  = $this->computeHydrateFieldName($field);
+            $value  = $this->handleTypeConversions($value, $metadata->getTypeOfField($field));
+            $setter = 'set' . Inflector::classify($field);
+
+            if ($metadata->hasAssociation($field)) {
+                $target = $metadata->getAssociationTargetClass($field);
+
+                if ($metadata->isSingleValuedAssociation($field)) {
+                    if (! method_exists($object, $setter)) {
+                        continue;
+                    }
+
+                    $value = $this->toOne($target, $this->hydrateValue($field, $value, $data));
+
+                    if (null === $value
+                        && !current($metadata->getReflectionClass()->getMethod($setter)->getParameters())->allowsNull()
+                    ) {
+                        continue;
+                    }
+
+                    $object->$setter($value);
+                } elseif ($metadata->isCollectionValuedAssociation($field)) {
+                    $this->toMany($object, $field, $target, $value);
+                }
+            } else {
+                if (! method_exists($object, $setter)) {
+                    continue;
+                }
+
+                $object->$setter($this->hydrateValue($field, $value, $data));
+            }
+        }
+
+        return $object;
+    }
+
+    /**
+     * Hydrate the object using a by-reference logic (this means that values are modified directly without
+     * using the public API, in this case setters, and hence override any logic that could be done in those
+     * setters)
+     *
+     * @param  array  $data
+     * @param  object $object
+     * @return object
+     */
+    protected function hydrateByReference(array $data, $object)
+    {
+        $tryObject = $this->tryConvertArrayToObject($data, $object);
+        $metadata  = $this->metadata;
+        $refl      = $metadata->getReflectionClass();
+
+        if (is_object($tryObject)) {
+            $object = $tryObject;
+        }
+
+        foreach ($data as $field => $value) {
+            $field = $this->computeHydrateFieldName($field);
+
+            // Ignore unknown fields
+            if (!$refl->hasProperty($field)) {
+                continue;
+            }
+
+            $value        = $this->handleTypeConversions($value, $metadata->getTypeOfField($field));
+            $reflProperty = $refl->getProperty($field);
+            $reflProperty->setAccessible(true);
+
+            if ($metadata->hasAssociation($field)) {
+                $target = $metadata->getAssociationTargetClass($field);
+
+                if ($metadata->isSingleValuedAssociation($field)) {
+                    $value = $this->toOne($target, $this->hydrateValue($field, $value, $data));
+                    $reflProperty->setValue($object, $value);
+                } elseif ($metadata->isCollectionValuedAssociation($field)) {
+                    $this->toMany($object, $field, $target, $value);
+                }
+            } else {
+                $reflProperty->setValue($object, $this->hydrateValue($field, $value, $data));
+            }
+        }
+
+        return $object;
+    }
+
+    /**
+     * This function tries, given an array of data, to convert it to an object if the given array contains
+     * an identifier for the object. This is useful in a context of updating existing entities, without ugly
+     * tricks like setting manually the existing id directly into the entity
+     *
+     * @param  array  $data   The data that may contain identifiers keys
+     * @param  object $object
+     * @return object
+     */
+    protected function tryConvertArrayToObject($data, $object)
+    {
+        $metadata         = $this->metadata;
+        $identifierNames  = $metadata->getIdentifierFieldNames($object);
+        $identifierValues = [];
+
+        if (empty($identifierNames)) {
+            return $object;
+        }
+
+        foreach ($identifierNames as $identifierName) {
+            if (!isset($data[$identifierName])) {
+                return $object;
+            }
+
+            $identifierValues[$identifierName] = $data[$identifierName];
+        }
+
+        return $this->find($identifierValues, $metadata->getName());
+    }
+
+    /**
+     * Handle ToOne associations
+     *
+     * When $value is an array but is not the $target's identifiers, $value is
+     * most likely an array of fieldset data. The identifiers will be determined
+     * and a target instance will be initialized and then hydrated. The hydrated
+     * target will be returned.
+     *
+     * @param  string $target
+     * @param  mixed  $value
+     * @return object
+     */
+    protected function toOne($target, $value)
+    {
+        $metadata = $this->objectManager->getClassMetadata($target);
+
+        if (is_array($value) && array_keys($value) != $metadata->getIdentifier()) {
+            // $value is most likely an array of fieldset data
+            $identifiers = array_intersect_key(
+                $value,
+                array_flip($metadata->getIdentifier())
+            );
+            $object      = $this->find($identifiers, $target) ?: new $target;
+            return $this->hydrate($value, $object);
+        }
+
+        return $this->find($value, $target);
+    }
+
+    /**
+     * Handle ToMany associations. In proper Doctrine design, Collections should not be swapped, so
+     * collections are always handled by reference. Internally, every collection is handled using specials
+     * strategies that inherit from AbstractCollectionStrategy class, and that add or remove elements but without
+     * changing the collection of the object
+     *
+     * @param  object $object
+     * @param  mixed  $collectionName
+     * @param  string $target
+     * @param  mixed  $values
+     *
+     * @throws \InvalidArgumentException
+     *
+     * @return void
+     */
+    protected function toMany($object, $collectionName, $target, $values)
+    {
+        $metadata   = $this->objectManager->getClassMetadata(ltrim($target, '\\'));
+        $identifier = $metadata->getIdentifier();
+
+        if (!is_array($values) && !$values instanceof Traversable) {
+            $values = (array)$values;
+        }
+
+        $collection = [];
+
+        // If the collection contains identifiers, fetch the objects from database
+        foreach ($values as $value) {
+            if ($value instanceof $target) {
+                // assumes modifications have already taken place in object
+                $collection[] = $value;
+                continue;
+            } elseif (empty($value)) {
+                // assumes no id and retrieves new $target
+                $collection[] = $this->find($value, $target);
+                continue;
+            }
+
+            $find = [];
+            if (is_array($identifier)) {
+                foreach ($identifier as $field) {
+                    switch (gettype($value)) {
+                        case 'object':
+                            $getter = 'get' . ucfirst($field);
+                            if (method_exists($value, $getter)) {
+                                $find[$field] = $value->$getter();
+                            } elseif (property_exists($value, $field)) {
+                                $find[$field] = $value->$field;
+                            }
+                            break;
+                        case 'array':
+                            if (array_key_exists($field, $value) && $value[$field] != null) {
+                                $find[$field] = $value[$field];
+                                unset($value[$field]); // removed identifier from persistable data
+                            }
+                            break;
+                        default:
+                            $find[$field] = $value;
+                            break;
+                    }
+                }
+            }
+
+            if (!empty($find) && $found = $this->find($find, $target)) {
+                $collection[] = (is_array($value)) ? $this->hydrate($value, $found) : $found;
+            } else {
+                $collection[] = (is_array($value)) ? $this->hydrate($value, new $target) : new $target;
+            }
+        }
+
+        $collection = array_filter(
+            $collection,
+            function ($item) {
+                return null !== $item;
+            }
+        );
+
+        // Set the object so that the strategy can extract the Collection from it
+
+        /** @var \DoctrineModule\Stdlib\Hydrator\Strategy\AbstractCollectionStrategy $collectionStrategy */
+        $collectionStrategy = $this->getStrategy($collectionName);
+        $collectionStrategy->setObject($object);
+
+        // We could directly call hydrate method from the strategy, but if people want to override
+        // hydrateValue function, they can do it and do their own stuff
+        $this->hydrateValue($collectionName, $collection, $values);
+    }
+
+    /**
+     * Handle various type conversions that should be supported natively by Doctrine (like DateTime)
+     *
+     * @param  mixed  $value
+     * @param  string $typeOfField
+     * @return DateTime
+     */
+    protected function handleTypeConversions($value, $typeOfField)
+    {
+        switch ($typeOfField) {
+            case 'datetimetz':
+            case 'datetime':
+            case 'time':
+            case 'date':
+                if ('' === $value) {
+                    return null;
+                }
+
+                if (is_int($value)) {
+                    $dateTime = new DateTime();
+                    $dateTime->setTimestamp($value);
+                    $value = $dateTime;
+                } elseif (is_string($value)) {
+                    $value = new DateTime($value);
+                }
+
+                break;
+            default:
+        }
+
+        return $value;
+    }
+
+    /**
+     * Find an object by a given target class and identifier
+     *
+     * @param  mixed   $identifiers
+     * @param  string  $targetClass
+     *
+     * @return object|null
+     */
+    protected function find($identifiers, $targetClass)
+    {
+        if ($identifiers instanceof $targetClass) {
+            return $identifiers;
+        }
+
+        if ($this->isNullIdentifier($identifiers)) {
+            return null;
+        }
+
+        return $this->objectManager->find($targetClass, $identifiers);
+    }
+
+    /**
+     * Verifies if a provided identifier is to be considered null
+     *
+     * @param  mixed $identifier
+     *
+     * @return bool
+     */
+    private function isNullIdentifier($identifier)
+    {
+        if (null === $identifier) {
+            return true;
+        }
+
+        if ($identifier instanceof Traversable || is_array($identifier)) {
+            $nonNullIdentifiers = array_filter(
+                ArrayUtils::iteratorToArray($identifier),
+                function ($value) {
+                    return null !== $value;
+                }
+            );
+
+            return empty($nonNullIdentifiers);
+        }
+
+        return false;
+    }
+
+    /**
+     * Applies the naming strategy if there is one set
+     *
+     * @param string $field
+     *
+     * @return string
+     */
+    protected function computeHydrateFieldName($field)
+    {
+        if ($this->hasNamingStrategy()) {
+            $field = $this->getNamingStrategy()->hydrate($field);
+        }
+        return $field;
+    }
+
+    /**
+     * Applies the naming strategy if there is one set
+     *
+     * @param string $field
+     *
+     * @return string
+     */
+    protected function computeExtractFieldName($field)
+    {
+        if ($this->hasNamingStrategy()) {
+            $field = $this->getNamingStrategy()->extract($field);
+        }
+        return $field;
+    }
+}
diff --git a/src/DoctrineExpressiveModule/Hydrator/DoctrineObjectFactory.php b/src/DoctrineExpressiveModule/Hydrator/DoctrineObjectFactory.php
new file mode 100644
index 0000000..d41e6c0
--- /dev/null
+++ b/src/DoctrineExpressiveModule/Hydrator/DoctrineObjectFactory.php
@@ -0,0 +1,15 @@
+<?php
+
+namespace DoctrineExpressiveModule\Hydrator;
+
+use Interop\Container\ContainerInterface;
+
+class DoctrineObjectFactory
+{
+
+    public function __invoke(ContainerInterface $container)
+    {
+        $em = $container->get('doctrine.entity_manager.orm_default');
+        return new DoctrineObject($em);
+    }
+}
diff --git a/src/DoctrineExpressiveModule/Hydrator/Filter/PropertyName.php b/src/DoctrineExpressiveModule/Hydrator/Filter/PropertyName.php
new file mode 100644
index 0000000..c1c9067
--- /dev/null
+++ b/src/DoctrineExpressiveModule/Hydrator/Filter/PropertyName.php
@@ -0,0 +1,66 @@
+<?php
+/*
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+ * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+ * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+ * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ *
+ * This software consists of voluntary contributions made by many individuals
+ * and is licensed under the MIT license. For more information, see
+ * <http://www.doctrine-project.org>.
+ */
+
+namespace DoctrineExpressiveModule\Hydrator\Filter;
+
+use Zend\Hydrator\Filter\FilterInterface;
+
+/**
+ * Provides a filter to restrict returned fields by whitelisting or
+ * blacklisting property names.
+ *
+ * @license MIT
+ * @link    http://www.doctrine-project.org/
+ * @author  Liam O'Boyle <liam@ontheroad.net.nz>
+ */
+class PropertyName implements FilterInterface
+{
+    /**
+     * The propteries to exclude.
+     *
+     * @var array
+     */
+    protected $properties = [];
+
+    /**
+     * Either an exclude or an include.
+     *
+     * @var bool
+     */
+    protected $exclude = null;
+
+    /**
+     * @param [ string | array ] $properties The properties to exclude or include.
+     * @param bool               $exclude    If the method should be excluded
+     */
+    public function __construct($properties, $exclude = true)
+    {
+        $this->exclude    = $exclude;
+        $this->properties = is_array($properties)
+            ? $properties
+            : [$properties];
+    }
+
+    public function filter($property)
+    {
+        return in_array($property, $this->properties)
+            ? !$this->exclude
+            : $this->exclude;
+    }
+}
diff --git a/src/DoctrineExpressiveModule/Hydrator/Strategy/AbstractCollectionStrategy.php b/src/DoctrineExpressiveModule/Hydrator/Strategy/AbstractCollectionStrategy.php
new file mode 100644
index 0000000..2eff700
--- /dev/null
+++ b/src/DoctrineExpressiveModule/Hydrator/Strategy/AbstractCollectionStrategy.php
@@ -0,0 +1,190 @@
+<?php
+/*
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+ * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+ * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+ * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ *
+ * This software consists of voluntary contributions made by many individuals
+ * and is licensed under the MIT license. For more information, see
+ * <http://www.doctrine-project.org>.
+ */
+
+namespace DoctrineExpressiveModule\Hydrator\Strategy;
+
+use InvalidArgumentException;
+use Doctrine\Common\Collections\Collection;
+use Doctrine\Common\Persistence\Mapping\ClassMetadata;
+use Zend\Hydrator\Strategy\StrategyInterface;
+
+/**
+ * @license MIT
+ * @link    http://www.doctrine-project.org/
+ * @since   0.7.0
+ * @author  Michael Gallego <mic.gallego@gmail.com>
+ */
+abstract class AbstractCollectionStrategy implements StrategyInterface
+{
+    /**
+     * @var string
+     */
+    protected $collectionName;
+
+    /**
+     * @var ClassMetadata
+     */
+    protected $metadata;
+
+    /**
+     * @var object
+     */
+    protected $object;
+
+
+    /**
+     * Set the name of the collection
+     *
+     * @param  string $collectionName
+     * @return AbstractCollectionStrategy
+     */
+    public function setCollectionName($collectionName)
+    {
+        $this->collectionName = (string) $collectionName;
+        return $this;
+    }
+
+    /**
+     * Get the name of the collection
+     *
+     * @return string
+     */
+    public function getCollectionName()
+    {
+        return $this->collectionName;
+    }
+
+    /**
+     * Set the class metadata
+     *
+     * @param  ClassMetadata $classMetadata
+     * @return AbstractCollectionStrategy
+     */
+    public function setClassMetadata(ClassMetadata $classMetadata)
+    {
+        $this->metadata = $classMetadata;
+        return $this;
+    }
+
+    /**
+     * Get the class metadata
+     *
+     * @return ClassMetadata
+     */
+    public function getClassMetadata()
+    {
+        return $this->metadata;
+    }
+
+    /**
+     * Set the object
+     *
+     * @param  object $object
+     *
+     * @throws \InvalidArgumentException
+     *
+     * @return AbstractCollectionStrategy
+     */
+    public function setObject($object)
+    {
+        if (!is_object($object)) {
+            throw new InvalidArgumentException(
+                sprintf('The parameter given to setObject method of %s class is not an object', get_called_class())
+            );
+        }
+
+        $this->object = $object;
+        return $this;
+    }
+
+    /**
+     * Get the object
+     *
+     * @return object
+     */
+    public function getObject()
+    {
+        return $this->object;
+    }
+
+    /**
+     * {@inheritDoc}
+     */
+    public function extract($value)
+    {
+        return $value;
+    }
+
+    /**
+     * Return the collection by value (using the public API)
+     *
+     * @throws \InvalidArgumentException
+     *
+     * @return Collection
+     */
+    protected function getCollectionFromObjectByValue()
+    {
+        $object = $this->getObject();
+        $getter = 'get' . ucfirst($this->getCollectionName());
+
+        if (!method_exists($object, $getter)) {
+            throw new InvalidArgumentException(
+                sprintf(
+                    'The getter %s to access collection %s in object %s does not exist',
+                    $getter,
+                    $this->getCollectionName(),
+                    get_class($object)
+                )
+            );
+        }
+
+        return $object->$getter();
+    }
+
+    /**
+     * Return the collection by reference (not using the public API)
+     *
+     * @return Collection
+     */
+    protected function getCollectionFromObjectByReference()
+    {
+        $object       = $this->getObject();
+        $refl         = $this->getClassMetadata()->getReflectionClass();
+        $reflProperty = $refl->getProperty($this->getCollectionName());
+
+        $reflProperty->setAccessible(true);
+
+        return $reflProperty->getValue($object);
+    }
+
+
+    /**
+     * This method is used internally by array_udiff to check if two objects are equal, according to their
+     * SPL hash. This is needed because the native array_diff only compare strings
+     *
+     * @param object $a
+     * @param object $b
+     *
+     * @return int
+     */
+    protected function compareObjects($a, $b)
+    {
+        return strcmp(spl_object_hash($a), spl_object_hash($b));
+    }
+}
diff --git a/src/DoctrineExpressiveModule/Hydrator/Strategy/AllowRemoveByReference.php b/src/DoctrineExpressiveModule/Hydrator/Strategy/AllowRemoveByReference.php
new file mode 100644
index 0000000..94c33ef
--- /dev/null
+++ b/src/DoctrineExpressiveModule/Hydrator/Strategy/AllowRemoveByReference.php
@@ -0,0 +1,58 @@
+<?php
+/*
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+ * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+ * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+ * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ *
+ * This software consists of voluntary contributions made by many individuals
+ * and is licensed under the MIT license. For more information, see
+ * <http://www.doctrine-project.org>.
+ */
+
+namespace DoctrineExpressiveModule\Hydrator\Strategy;
+
+/**
+ * When this strategy is used for Collections, if the new collection does not contain elements that are present in
+ * the original collection, then this strategy remove elements from the original collection. For instance, if the
+ * collection initially contains elements A and B, and that the new collection contains elements B and C, then the
+ * final collection will contain elements B and C (while element A will be asked to be removed).
+ *
+ * This strategy is by reference, this means it won't use public API to add/remove elements to the collection
+ *
+ * @license MIT
+ * @link    http://www.doctrine-project.org/
+ * @since   0.7.0
+ * @author  Michael Gallego <mic.gallego@gmail.com>
+ */
+class AllowRemoveByReference extends AbstractCollectionStrategy
+{
+    /**
+     * {@inheritDoc}
+     */
+    public function hydrate($value)
+    {
+        $collection      = $this->getCollectionFromObjectByReference();
+        $collectionArray = $collection->toArray();
+
+        $toAdd    = array_udiff($value, $collectionArray, [$this, 'compareObjects']);
+        $toRemove = array_udiff($collectionArray, $value, [$this, 'compareObjects']);
+
+        foreach ($toAdd as $element) {
+            $collection->add($element);
+        }
+
+        foreach ($toRemove as $element) {
+            $collection->removeElement($element);
+        }
+
+        return $collection;
+    }
+}
diff --git a/src/DoctrineExpressiveModule/Hydrator/Strategy/AllowRemoveByValue.php b/src/DoctrineExpressiveModule/Hydrator/Strategy/AllowRemoveByValue.php
new file mode 100644
index 0000000..30a2806
--- /dev/null
+++ b/src/DoctrineExpressiveModule/Hydrator/Strategy/AllowRemoveByValue.php
@@ -0,0 +1,76 @@
+<?php
+/*
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+ * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+ * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+ * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ *
+ * This software consists of voluntary contributions made by many individuals
+ * and is licensed under the MIT license. For more information, see
+ * <http://www.doctrine-project.org>.
+ */
+
+namespace DoctrineExpressiveModule\Hydrator\Strategy;
+
+use Doctrine\Common\Collections\Collection;
+use LogicException;
+use Doctrine\Common\Collections\ArrayCollection;
+
+/**
+ * When this strategy is used for Collections, if the new collection does not contain elements that are present in
+ * the original collection, then this strategy remove elements from the original collection. For instance, if the
+ * collection initially contains elements A and B, and that the new collection contains elements B and C, then the
+ * final collection will contain elements B and C (while element A will be asked to be removed).
+ *
+ * This strategy is by value, this means it will use the public API (in this case, adder and remover)
+ *
+ * @license MIT
+ * @link    http://www.doctrine-project.org/
+ * @since   0.7.0
+ * @author  Michael Gallego <mic.gallego@gmail.com>
+ */
+class AllowRemoveByValue extends AbstractCollectionStrategy
+{
+    /**
+     * {@inheritDoc}
+     */
+    public function hydrate($value)
+    {
+        // AllowRemove strategy need "adder" and "remover"
+        $adder   = 'add' . ucfirst($this->collectionName);
+        $remover = 'remove' . ucfirst($this->collectionName);
+
+        if (!method_exists($this->object, $adder) || !method_exists($this->object, $remover)) {
+            throw new LogicException(
+                sprintf(
+                    'AllowRemove strategy for DoctrineModule hydrator requires both %s and %s to be defined in %s
+                     entity domain code, but one or both seem to be missing',
+                    $adder,
+                    $remover,
+                    get_class($this->object)
+                )
+            );
+        }
+
+        $collection = $this->getCollectionFromObjectByValue();
+
+        if ($collection instanceof Collection) {
+            $collection = $collection->toArray();
+        }
+
+        $toAdd    = new ArrayCollection(array_udiff($value, $collection, [$this, 'compareObjects']));
+        $toRemove = new ArrayCollection(array_udiff($collection, $value, [$this, 'compareObjects']));
+
+        $this->object->$adder($toAdd);
+        $this->object->$remover($toRemove);
+
+        return $collection;
+    }
+}
diff --git a/src/DoctrineExpressiveModule/Hydrator/Strategy/DisallowRemoveByReference.php b/src/DoctrineExpressiveModule/Hydrator/Strategy/DisallowRemoveByReference.php
new file mode 100644
index 0000000..47eadc2
--- /dev/null
+++ b/src/DoctrineExpressiveModule/Hydrator/Strategy/DisallowRemoveByReference.php
@@ -0,0 +1,53 @@
+<?php
+/*
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+ * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+ * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+ * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ *
+ * This software consists of voluntary contributions made by many individuals
+ * and is licensed under the MIT license. For more information, see
+ * <http://www.doctrine-project.org>.
+ */
+
+namespace DoctrineExpressiveModule\Hydrator\Strategy;
+
+/**
+ * When this strategy is used for Collections, if the new collection does not contain elements that are present in
+ * the original collection, then this strategy will not remove those elements. At most, it will add new elements. For
+ * instance, if the collection initially contains elements A and B, and that the new collection contains elements B
+ * and C, then the final collection will contain elements A, B and C.
+ *
+ * This strategy is by reference, this means it won't use the public API to remove elements
+ *
+ * @license MIT
+ * @link    http://www.doctrine-project.org/
+ * @since   0.7.0
+ * @author  Michael Gallego <mic.gallego@gmail.com>
+ */
+class DisallowRemoveByReference extends AbstractCollectionStrategy
+{
+    /**
+     * {@inheritDoc}
+     */
+    public function hydrate($value)
+    {
+        $collection      = $this->getCollectionFromObjectByReference();
+        $collectionArray = $collection->toArray();
+
+        $toAdd = array_udiff($value, $collectionArray, [$this, 'compareObjects']);
+
+        foreach ($toAdd as $element) {
+            $collection->add($element);
+        }
+
+        return $collection;
+    }
+}
diff --git a/src/DoctrineExpressiveModule/Hydrator/Strategy/DisallowRemoveByValue.php b/src/DoctrineExpressiveModule/Hydrator/Strategy/DisallowRemoveByValue.php
new file mode 100644
index 0000000..77df2be
--- /dev/null
+++ b/src/DoctrineExpressiveModule/Hydrator/Strategy/DisallowRemoveByValue.php
@@ -0,0 +1,72 @@
+<?php
+/*
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+ * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+ * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+ * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ *
+ * This software consists of voluntary contributions made by many individuals
+ * and is licensed under the MIT license. For more information, see
+ * <http://www.doctrine-project.org>.
+ */
+
+namespace DoctrineExpressiveModule\Hydrator\Strategy;
+
+use Doctrine\Common\Collections\Collection;
+use LogicException;
+use Doctrine\Common\Collections\ArrayCollection;
+
+/**
+ * When this strategy is used for Collections, if the new collection does not contain elements that are present in
+ * the original collection, then this strategy will not remove those elements. At most, it will add new elements. For
+ * instance, if the collection initially contains elements A and B, and that the new collection contains elements B
+ * and C, then the final collection will contain elements A, B and C.
+ *
+ * This strategy is by value, this means it will use the public API (in this case, remover)
+ *
+ * @license MIT
+ * @link    http://www.doctrine-project.org/
+ * @since   0.7.0
+ * @author  Michael Gallego <mic.gallego@gmail.com>
+ */
+class DisallowRemoveByValue extends AbstractCollectionStrategy
+{
+    /**
+     * {@inheritDoc}
+     */
+    public function hydrate($value)
+    {
+        // AllowRemove strategy need "adder"
+        $adder = 'add' . ucfirst($this->collectionName);
+
+        if (!method_exists($this->object, $adder)) {
+            throw new LogicException(
+                sprintf(
+                    'DisallowRemove strategy for DoctrineModule hydrator requires %s to
+                     be defined in %s entity domain code, but it seems to be missing',
+                    $adder,
+                    get_class($this->object)
+                )
+            );
+        }
+
+        $collection = $this->getCollectionFromObjectByValue();
+
+        if ($collection instanceof Collection) {
+            $collection = $collection->toArray();
+        }
+
+        $toAdd = new ArrayCollection(array_udiff($value, $collection, [$this, 'compareObjects']));
+
+        $this->object->$adder($toAdd);
+
+        return $collection;
+    }
+}
diff --git a/src/DoctrineExpressiveModule/Validator/NoObjectExists.php b/src/DoctrineExpressiveModule/Validator/NoObjectExists.php
new file mode 100644
index 0000000..a28b88a
--- /dev/null
+++ b/src/DoctrineExpressiveModule/Validator/NoObjectExists.php
@@ -0,0 +1,43 @@
+<?php
+
+namespace DoctrineModule\Validator;
+
+/**
+ * Class that validates if objects does not exist in a given repository with a given list of matched fields
+ *
+ * @license MIT
+ * @link    http://www.doctrine-project.org/
+ * @since   0.4.0
+ * @author  Marco Pivetta <ocramius@gmail.com>
+ */
+class NoObjectExists extends ObjectExists
+{
+    /**
+     * Error constants
+     */
+    const ERROR_OBJECT_FOUND = 'objectFound';
+
+    /**
+     * @var array Message templates
+     */
+    protected $messageTemplates = [
+        self::ERROR_OBJECT_FOUND    => "An object matching '%value%' was found",
+    ];
+
+    /**
+     * {@inheritDoc}
+     */
+    public function isValid($value)
+    {
+        $cleanedValue = $this->cleanSearchValue($value);
+        $match        = $this->objectRepository->findOneBy($cleanedValue);
+
+        if (is_object($match)) {
+            $this->error(self::ERROR_OBJECT_FOUND, $value);
+
+            return false;
+        }
+
+        return true;
+    }
+}
diff --git a/src/DoctrineExpressiveModule/Validator/ObjectExists.php b/src/DoctrineExpressiveModule/Validator/ObjectExists.php
new file mode 100644
index 0000000..3b67ad0
--- /dev/null
+++ b/src/DoctrineExpressiveModule/Validator/ObjectExists.php
@@ -0,0 +1,175 @@
+<?php
+
+namespace DoctrineModule\Validator;
+
+use Zend\Validator\AbstractValidator;
+use Zend\Validator\Exception;
+use Doctrine\Common\Persistence\ObjectRepository;
+use Zend\Stdlib\ArrayUtils;
+
+/**
+ * Class that validates if objects exist in a given repository with a given list of matched fields
+ *
+ * @license MIT
+ * @link    http://www.doctrine-project.org/
+ * @since   0.4.0
+ * @author  Marco Pivetta <ocramius@gmail.com>
+ */
+class ObjectExists extends AbstractValidator
+{
+    /**
+     * Error constants
+     */
+    const ERROR_NO_OBJECT_FOUND = 'noObjectFound';
+
+    /**
+     * @var array Message templates
+     */
+    protected $messageTemplates = [
+        self::ERROR_NO_OBJECT_FOUND => "No object matching '%value%' was found",
+    ];
+
+    /**
+     * ObjectRepository from which to search for entities
+     *
+     * @var ObjectRepository
+     */
+    protected $objectRepository;
+
+    /**
+     * Fields to be checked
+     *
+     * @var array
+     */
+    protected $fields;
+
+    /**
+     * Constructor
+     *
+     * @param array $options required keys are `object_repository`, which must be an instance of
+     *                       Doctrine\Common\Persistence\ObjectRepository, and `fields`, with either
+     *                       a string or an array of strings representing the fields to be matched by the validator.
+     * @throws \Zend\Validator\Exception\InvalidArgumentException
+     */
+    public function __construct(array $options)
+    {
+        if (! isset($options['object_repository']) || ! $options['object_repository'] instanceof ObjectRepository) {
+            if (! array_key_exists('object_repository', $options)) {
+                $provided = 'nothing';
+            } else {
+                if (is_object($options['object_repository'])) {
+                    $provided = get_class($options['object_repository']);
+                } else {
+                    $provided = getType($options['object_repository']);
+                }
+            }
+
+            throw new Exception\InvalidArgumentException(
+                sprintf(
+                    'Option "object_repository" is required and must be an instance of'
+                    . ' Doctrine\Common\Persistence\ObjectRepository, %s given',
+                    $provided
+                )
+            );
+        }
+
+        $this->objectRepository = $options['object_repository'];
+
+        if (! isset($options['fields'])) {
+            throw new Exception\InvalidArgumentException(
+                'Key `fields` must be provided and be a field or a list of fields to be used when searching for'
+                . ' existing instances'
+            );
+        }
+
+        $this->fields = $options['fields'];
+        $this->validateFields();
+
+        parent::__construct($options);
+    }
+
+    /**
+     * Filters and validates the fields passed to the constructor
+     *
+     * @throws \Zend\Validator\Exception\InvalidArgumentException
+     * @return array
+     */
+    private function validateFields()
+    {
+        $fields = (array) $this->fields;
+
+        if (empty($fields)) {
+            throw new Exception\InvalidArgumentException('Provided fields list was empty!');
+        }
+
+        foreach ($fields as $key => $field) {
+            if (! is_string($field)) {
+                throw new Exception\InvalidArgumentException(
+                    sprintf('Provided fields must be strings, %s provided for key %s', gettype($field), $key)
+                );
+            }
+        }
+
+        $this->fields = array_values($fields);
+    }
+
+    /**
+     * @param string|array $value a field value or an array of field values if more fields have been configured to be
+     *                      matched
+     * @return array
+     * @throws \Zend\Validator\Exception\RuntimeException
+     */
+    protected function cleanSearchValue($value)
+    {
+        $value = is_object($value) ? [$value] : (array) $value;
+
+        if (ArrayUtils::isHashTable($value)) {
+            $matchedFieldsValues = [];
+
+            foreach ($this->fields as $field) {
+                if (! array_key_exists($field, $value)) {
+                    throw new Exception\RuntimeException(
+                        sprintf(
+                            'Field "%s" was not provided, but was expected since the configured field lists needs'
+                            . ' it for validation',
+                            $field
+                        )
+                    );
+                }
+
+                $matchedFieldsValues[$field] = $value[$field];
+            }
+        } else {
+            $matchedFieldsValues = @array_combine($this->fields, $value);
+
+            if (false === $matchedFieldsValues) {
+                throw new Exception\RuntimeException(
+                    sprintf(
+                        'Provided values count is %s, while expected number of fields to be matched is %s',
+                        count($value),
+                        count($this->fields)
+                    )
+                );
+            }
+        }
+
+        return $matchedFieldsValues;
+    }
+
+    /**
+     * {@inheritDoc}
+     */
+    public function isValid($value)
+    {
+        $cleanedValue = $this->cleanSearchValue($value);
+        $match        = $this->objectRepository->findOneBy($cleanedValue);
+
+        if (is_object($match)) {
+            return true;
+        }
+
+        $this->error(self::ERROR_NO_OBJECT_FOUND, $value);
+
+        return false;
+    }
+}
diff --git a/src/DoctrineExpressiveModule/Validator/Service/AbstractValidatorFactory.php b/src/DoctrineExpressiveModule/Validator/Service/AbstractValidatorFactory.php
new file mode 100644
index 0000000..d0a2bac
--- /dev/null
+++ b/src/DoctrineExpressiveModule/Validator/Service/AbstractValidatorFactory.php
@@ -0,0 +1,121 @@
+<?php
+
+
+namespace DoctrineModule\Validator\Service;
+
+use Zend\ServiceManager\FactoryInterface;
+use Interop\Container\ContainerInterface;
+use Zend\ServiceManager\ServiceLocatorInterface;
+use Zend\ServiceManager\ServiceLocatorAwareInterface;
+use DoctrineModule\Validator\Service\Exception\ServiceCreationException;
+use Zend\Stdlib\ArrayUtils;
+
+/**
+ * Factory for creating NoObjectExists instances
+ *
+ * @license MIT
+ * @link    http://www.doctrine-project.org/
+ * @since   1.3.0
+ * @author  Fabian Grutschus <f.grutschus@lubyte.de>
+ */
+abstract class AbstractValidatorFactory implements FactoryInterface
+{
+    const DEFAULT_OBJECTMANAGER_KEY = 'doctrine.entitymanager.orm_default';
+
+    protected $creationOptions = [];
+
+    protected $validatorClass;
+
+    /**
+     * @param ContainerInterface $container
+     * @param array $options
+     * @return \Doctrine\Common\Persistence\ObjectRepository
+     * @throws ServiceCreationException
+     */
+    protected function getRepository(ContainerInterface $container, array $options)
+    {
+        if (empty($options['target_class'])) {
+            throw new ServiceCreationException(sprintf(
+                "Option 'target_class' is missing when creating validator %s",
+                __CLASS__
+            ));
+        }
+
+        $objectManager    = $this->getObjectManager($container, $options);
+        $targetClassName  = $options['target_class'];
+        $objectRepository = $objectManager->getRepository($targetClassName);
+
+        return $objectRepository;
+    }
+
+    /**
+     * @param ContainerInterface $container
+     * @param array $options
+     * @return \Doctrine\Common\Persistence\ObjectManager
+     */
+    protected function getObjectManager(ContainerInterface $container, array $options)
+    {
+        $objectManager = ($options['object_manager']) ?? self::DEFAULT_OBJECTMANAGER_KEY;
+
+        if (is_string($objectManager)) {
+            $objectManager = $container->get($objectManager);
+        }
+
+        return $objectManager;
+    }
+
+    /**
+     * @param array $options
+     * @return array
+     */
+    protected function getFields(array $options)
+    {
+        if (isset($options['fields'])) {
+            return (array) $options['fields'];
+        }
+
+        return [];
+    }
+
+    /**
+     * Helper to merge options array passed to `__invoke`
+     * together with the options array created based on the above
+     * helper methods.
+     *
+     * @param array $previousOptions
+     * @param array $newOptions
+     * @return array
+     */
+    protected function merge($previousOptions, $newOptions)
+    {
+        return ArrayUtils::merge($previousOptions, $newOptions, true);
+    }
+
+    /**
+     * Helper method for ZF2 compatiblity.
+     *
+     * In ZF2 the plugin manager instance if passed to `createService`
+     * instead of the global service manager instance (as in ZF3).
+     *
+     * @param ContainerInterface $container
+     * @return ContainerInterface
+     */
+    protected function container(ContainerInterface $container)
+    {
+        if ($container instanceof ServiceLocatorAwareInterface) {
+            $container = $container->getServiceLocator();
+        }
+
+        return $container;
+    }
+
+    public function createService(ServiceLocatorInterface $serviceLocator)
+    {
+        return $this($serviceLocator, $this->validatorClass, $this->creationOptions);
+    }
+
+    public function setCreationOptions(array $options)
+    {
+        $this->creationOptions = $options;
+    }
+}
diff --git a/src/DoctrineExpressiveModule/Validator/Service/Exception/ServiceCreationException.php b/src/DoctrineExpressiveModule/Validator/Service/Exception/ServiceCreationException.php
new file mode 100644
index 0000000..62d76d6
--- /dev/null
+++ b/src/DoctrineExpressiveModule/Validator/Service/Exception/ServiceCreationException.php
@@ -0,0 +1,16 @@
+<?php
+
+
+namespace DoctrineModule\Validator\Service\Exception;
+
+use RuntimeException as BaseRuntimeException;
+
+/**
+ * @license MIT
+ * @link    http://www.doctrine-project.org/
+ * @since   1.3.0
+ * @author  Fabian Grutschus <f.grutschus@lubyte.de>
+ */
+class ServiceCreationException extends BaseRuntimeException
+{
+}
diff --git a/src/DoctrineExpressiveModule/Validator/Service/NoObjectExistsFactory.php b/src/DoctrineExpressiveModule/Validator/Service/NoObjectExistsFactory.php
new file mode 100644
index 0000000..84b9cae
--- /dev/null
+++ b/src/DoctrineExpressiveModule/Validator/Service/NoObjectExistsFactory.php
@@ -0,0 +1,34 @@
+<?php
+
+
+namespace DoctrineModule\Validator\Service;
+
+use Interop\Container\ContainerInterface;
+use DoctrineModule\Validator\NoObjectExists;
+
+/**
+ * Factory for creating NoObjectExists instances
+ *
+ * @license MIT
+ * @link    http://www.doctrine-project.org/
+ * @since   1.3.0
+ * @author  Fabian Grutschus <f.grutschus@lubyte.de>
+ */
+class NoObjectExistsFactory extends AbstractValidatorFactory
+{
+    protected $validatorClass = NoObjectExists::class;
+
+    public function __invoke(ContainerInterface $container, $requestedName, array $options = null)
+    {
+        $container = $this->container($container);
+
+        $repository = $this->getRepository($container, $options);
+
+        $validator = new NoObjectExists($this->merge($options, [
+            'object_repository' => $repository,
+            'fields'            => $this->getFields($options),
+        ]));
+
+        return $validator;
+    }
+}
diff --git a/src/DoctrineExpressiveModule/Validator/Service/ObjectExistsFactory.php b/src/DoctrineExpressiveModule/Validator/Service/ObjectExistsFactory.php
new file mode 100644
index 0000000..53d7ac2
--- /dev/null
+++ b/src/DoctrineExpressiveModule/Validator/Service/ObjectExistsFactory.php
@@ -0,0 +1,34 @@
+<?php
+
+
+namespace DoctrineModule\Validator\Service;
+
+use Interop\Container\ContainerInterface;
+use DoctrineModule\Validator\ObjectExists;
+
+/**
+ * Factory for creating ObjectExists instances
+ *
+ * @license MIT
+ * @link    http://www.doctrine-project.org/
+ * @since   1.3.0
+ * @author  Fabian Grutschus <f.grutschus@lubyte.de>
+ */
+class ObjectExistsFactory extends AbstractValidatorFactory
+{
+    protected $validatorClass = ObjectExists::class;
+
+    public function __invoke(ContainerInterface $container, $requestedName, array $options = null)
+    {
+        $container = $this->container($container);
+
+        $repository = $this->getRepository($container, $options);
+
+        $validator = new ObjectExists($this->merge($options, [
+            'object_repository' => $repository,
+            'fields'            => $this->getFields($options),
+        ]));
+
+        return $validator;
+    }
+}
diff --git a/src/DoctrineExpressiveModule/Validator/Service/UniqueObjectFactory.php b/src/DoctrineExpressiveModule/Validator/Service/UniqueObjectFactory.php
new file mode 100644
index 0000000..c792c27
--- /dev/null
+++ b/src/DoctrineExpressiveModule/Validator/Service/UniqueObjectFactory.php
@@ -0,0 +1,28 @@
+<?php
+
+
+namespace DoctrineModule\Validator\Service;
+
+use Interop\Container\ContainerInterface;
+use DoctrineModule\Validator\UniqueObject;
+
+class UniqueObjectFactory extends AbstractValidatorFactory
+{
+    protected $validatorClass = UniqueObject::class;
+
+    public function __invoke(ContainerInterface $container, $requestedName, array $options = null)
+    {
+        $container = $this->container($container);
+
+        $useContext = isset($options['use_context']) ? (boolean) $options['use_context'] : false;
+
+        $validator = new UniqueObject($this->merge($options, [
+            'object_manager'    => $this->getObjectManager($container, $options),
+            'use_context'       => $useContext,
+            'object_repository' => $this->getRepository($container, $options),
+            'fields'            => $this->getFields($options),
+        ]));
+
+        return $validator;
+    }
+}
diff --git a/src/DoctrineExpressiveModule/Validator/UniqueObject.php b/src/DoctrineExpressiveModule/Validator/UniqueObject.php
new file mode 100644
index 0000000..a86e939
--- /dev/null
+++ b/src/DoctrineExpressiveModule/Validator/UniqueObject.php
@@ -0,0 +1,166 @@
+<?php
+
+namespace DoctrineModule\Validator;
+
+use Doctrine\Common\Persistence\ObjectManager;
+use Zend\Validator\Exception;
+
+/**
+ * Class that validates if objects exist in a given repository with a given list of matched fields only once.
+ *
+ * @license MIT
+ * @link    http://www.doctrine-project.org/
+ * @author  Oskar Bley <oskar@programming-php.net>
+ */
+class UniqueObject extends ObjectExists
+{
+    /**
+     * Error constants
+     */
+    const ERROR_OBJECT_NOT_UNIQUE = 'objectNotUnique';
+
+    /**
+     * @var array Message templates
+     */
+    protected $messageTemplates = [
+        self::ERROR_OBJECT_NOT_UNIQUE => "There is already another object matching '%value%'",
+    ];
+
+    /**
+     * @var ObjectManager
+     */
+    protected $objectManager;
+
+    /**
+     * @var boolean
+     */
+    protected $useContext;
+
+    /***
+     * Constructor
+     *
+     * @param array $options required keys are `object_repository`, which must be an instance of
+     *                       Doctrine\Common\Persistence\ObjectRepository, `object_manager`, which
+     *                       must be an instance of Doctrine\Common\Persistence\ObjectManager,
+     *                       and `fields`, with either a string or an array of strings representing
+     *                       the fields to be matched by the validator.
+     * @throws Exception\InvalidArgumentException
+     */
+    public function __construct(array $options)
+    {
+        parent::__construct($options);
+
+        if (! isset($options['object_manager']) || ! $options['object_manager'] instanceof ObjectManager) {
+            if (! array_key_exists('object_manager', $options)) {
+                $provided = 'nothing';
+            } else {
+                if (is_object($options['object_manager'])) {
+                    $provided = get_class($options['object_manager']);
+                } else {
+                    $provided = getType($options['object_manager']);
+                }
+            }
+
+            throw new Exception\InvalidArgumentException(
+                sprintf(
+                    'Option "object_manager" is required and must be an instance of'
+                    . ' Doctrine\Common\Persistence\ObjectManager, %s given',
+                    $provided
+                )
+            );
+        }
+
+        $this->objectManager = $options['object_manager'];
+        $this->useContext    = isset($options['use_context']) ? (boolean) $options['use_context'] : false;
+    }
+
+    /**
+     * Returns false if there is another object with the same field values but other identifiers.
+     *
+     * @param  mixed $value
+     * @param  array $context
+     * @return boolean
+     */
+    public function isValid($value, $context = null)
+    {
+        if (! $this->useContext) {
+            $context = (array) $value;
+        }
+
+        $cleanedValue = $this->cleanSearchValue($value);
+        $match        = $this->objectRepository->findOneBy($cleanedValue);
+
+        if (! is_object($match)) {
+            return true;
+        }
+
+        $expectedIdentifiers = $this->getExpectedIdentifiers($context);
+        $foundIdentifiers    = $this->getFoundIdentifiers($match);
+
+        if (count(array_diff_assoc($expectedIdentifiers, $foundIdentifiers)) == 0) {
+            return true;
+        }
+
+        $this->error(self::ERROR_OBJECT_NOT_UNIQUE, $value);
+        return false;
+    }
+
+    /**
+     * Gets the identifiers from the matched object.
+     *
+     * @param object $match
+     * @return array
+     * @throws Exception\RuntimeException
+     */
+    protected function getFoundIdentifiers($match)
+    {
+        return $this->objectManager
+                    ->getClassMetadata($this->objectRepository->getClassName())
+                    ->getIdentifierValues($match);
+    }
+
+    /**
+     * Gets the identifiers from the context.
+     *
+     * @param  array|object $context
+     * @return array
+     * @throws Exception\RuntimeException
+     */
+    protected function getExpectedIdentifiers($context = null)
+    {
+        if ($context === null) {
+            throw new Exception\RuntimeException(
+                'Expected context to be an array but is null'
+            );
+        }
+
+        $className = $this->objectRepository->getClassName();
+
+        if ($context instanceof $className) {
+            return $this->objectManager
+                        ->getClassMetadata($this->objectRepository->getClassName())
+                        ->getIdentifierValues($context);
+        }
+
+        $result = [];
+        foreach ($this->getIdentifiers() as $identifierField) {
+            if (! array_key_exists($identifierField, $context)) {
+                throw new Exception\RuntimeException(\sprintf('Expected context to contain %s', $identifierField));
+            }
+
+            $result[$identifierField] = $context[$identifierField];
+        }
+        return $result;
+    }
+
+
+    /**
+     * @return array the names of the identifiers
+     */
+    protected function getIdentifiers()
+    {
+        return $this->objectManager
+                    ->getClassMetadata($this->objectRepository->getClassName())
+                    ->getIdentifierFieldNames();
+    }
+}
diff --git a/test/AppTest/Handler/HomePageHandlerFactoryTest.php b/test/AppTest/Handler/HomePageHandlerFactoryTest.php
new file mode 100644
index 0000000..df7f4ef
--- /dev/null
+++ b/test/AppTest/Handler/HomePageHandlerFactoryTest.php
@@ -0,0 +1,52 @@
+<?php
+
+declare(strict_types=1);
+
+namespace AppTest\Handler;
+
+use App\Handler\HomePageHandler;
+use App\Handler\HomePageHandlerFactory;
+use PHPUnit\Framework\TestCase;
+use Psr\Container\ContainerInterface;
+use Zend\Expressive\Router\RouterInterface;
+use Zend\Expressive\Template\TemplateRendererInterface;
+
+class HomePageHandlerFactoryTest extends TestCase
+{
+    /** @var ContainerInterface|ObjectProphecy */
+    protected $container;
+
+    protected function setUp()
+    {
+        $this->container = $this->prophesize(ContainerInterface::class);
+        $router = $this->prophesize(RouterInterface::class);
+
+        $this->container->get(RouterInterface::class)->willReturn($router);
+    }
+
+    public function testFactoryWithoutTemplate()
+    {
+        $factory = new HomePageHandlerFactory();
+        $this->container->has(TemplateRendererInterface::class)->willReturn(false);
+
+        $this->assertInstanceOf(HomePageHandlerFactory::class, $factory);
+
+        $homePage = $factory($this->container->reveal(), null, get_class($this->container->reveal()));
+
+        $this->assertInstanceOf(HomePageHandler::class, $homePage);
+    }
+
+    public function testFactoryWithTemplate()
+    {
+        $this->container->has(TemplateRendererInterface::class)->willReturn(true);
+        $this->container
+            ->get(TemplateRendererInterface::class)
+            ->willReturn($this->prophesize(TemplateRendererInterface::class));
+
+        $factory = new HomePageHandlerFactory();
+
+        $homePage = $factory($this->container->reveal(), null, get_class($this->container->reveal()));
+
+        $this->assertInstanceOf(HomePageHandler::class, $homePage);
+    }
+}
diff --git a/test/AppTest/Handler/HomePageHandlerTest.php b/test/AppTest/Handler/HomePageHandlerTest.php
new file mode 100644
index 0000000..82e9238
--- /dev/null
+++ b/test/AppTest/Handler/HomePageHandlerTest.php
@@ -0,0 +1,64 @@
+<?php
+
+declare(strict_types=1);
+
+namespace AppTest\Handler;
+
+use App\Handler\HomePageHandler;
+use PHPUnit\Framework\TestCase;
+use Prophecy\Argument;
+use Psr\Container\ContainerInterface;
+use Psr\Http\Message\ServerRequestInterface;
+use Zend\Diactoros\Response\HtmlResponse;
+use Zend\Diactoros\Response\JsonResponse;
+use Zend\Expressive\Router\RouterInterface;
+use Zend\Expressive\Template\TemplateRendererInterface;
+
+class HomePageHandlerTest extends TestCase
+{
+    /** @var ContainerInterface|ObjectProphecy */
+    protected $container;
+
+    /** @var RouterInterface|ObjectProphecy */
+    protected $router;
+
+    protected function setUp()
+    {
+        $this->container = $this->prophesize(ContainerInterface::class);
+        $this->router    = $this->prophesize(RouterInterface::class);
+    }
+
+    public function testReturnsJsonResponseWhenNoTemplateRendererProvided()
+    {
+        $homePage = new HomePageHandler(
+            $this->router->reveal(),
+            null,
+            get_class($this->container->reveal())
+        );
+        $response = $homePage->handle(
+            $this->prophesize(ServerRequestInterface::class)->reveal()
+        );
+
+        $this->assertInstanceOf(JsonResponse::class, $response);
+    }
+
+    public function testReturnsHtmlResponseWhenTemplateRendererProvided()
+    {
+        $renderer = $this->prophesize(TemplateRendererInterface::class);
+        $renderer
+            ->render('app::home-page', Argument::type('array'))
+            ->willReturn('');
+
+        $homePage = new HomePageHandler(
+            $this->router->reveal(),
+            $renderer->reveal(),
+            get_class($this->container->reveal())
+        );
+
+        $response = $homePage->handle(
+            $this->prophesize(ServerRequestInterface::class)->reveal()
+        );
+
+        $this->assertInstanceOf(HtmlResponse::class, $response);
+    }
+}
diff --git a/test/AppTest/Handler/PingHandlerTest.php b/test/AppTest/Handler/PingHandlerTest.php
new file mode 100644
index 0000000..143f68f
--- /dev/null
+++ b/test/AppTest/Handler/PingHandlerTest.php
@@ -0,0 +1,26 @@
+<?php
+
+declare(strict_types=1);
+
+namespace AppTest\Handler;
+
+use App\Handler\PingHandler;
+use PHPUnit\Framework\TestCase;
+use Psr\Http\Message\ServerRequestInterface;
+use Zend\Diactoros\Response\JsonResponse;
+
+class PingHandlerTest extends TestCase
+{
+    public function testResponse()
+    {
+        $pingHandler = new PingHandler();
+        $response = $pingHandler->handle(
+            $this->prophesize(ServerRequestInterface::class)->reveal()
+        );
+
+        $json = json_decode((string) $response->getBody());
+
+        $this->assertInstanceOf(JsonResponse::class, $response);
+        $this->assertTrue(isset($json->ack));
+    }
+}