* logger added

* calendar view in maintenance
* $year filter support in xlsx and maintenance

src/App/Handler/MaintenanceCalendarHandler.php

@@ -0,0 +1,34 @@
+<?php
+
+namespace App\Handler;
+
+use ApiLibs\AbstractHandler\CrudHandler;
+use App\Service\MaintenanceManagerService;
+use Psr\Http\Message\ResponseInterface;
+use Psr\Http\Message\ServerRequestInterface;
+use Zend\Diactoros\Response\JsonResponse;
+
+class MaintenanceCalendarHandler extends CrudHandler
+{
+    /** @var MaintenanceManagerService */
+    private $maintenanceManagerService;
+
+    public function __construct(MaintenanceManagerService $maintenanceManagerService)
+    {
+        $this->maintenanceManagerService = $maintenanceManagerService;
+    }
+
+    /**
+     * Renew auth token
+     *
+     * @param ServerRequestInterface $request
+     * @return ResponseInterface
+     * @throws \PHPExcel_Exception
+     * @throws \PHPExcel_Reader_Exception
+     */
+    public function getList(ServerRequestInterface $request): ResponseInterface
+    {
+        $year = (int)$request->getAttribute('year', date("Y"));
+        return new JsonResponse($this->maintenanceManagerService->getCalendarMaintenanceList($year));
+    }
+}