104 lines
3.0 KiB
PHP
104 lines
3.0 KiB
PHP
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<?php
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namespace App\Service;
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use Imagine\Gd\Imagine;
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use Imagine\Image\Box;
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use Imagine\Image\ImageInterface;
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use Symfony\Component\Yaml\Parser;
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use Zend\Config\Reader\Yaml;
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class GalleryService
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{
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const CONFIG_FILE = 'data/galleries/gallery.yaml';
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const IMAGE_BASEDIR = 'data/galleries/%s/';
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const THUMBNAIL_SIZE = 250;
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protected $contentTypeMap = [
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'jpg' => 'image/jpeg',
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'jpeg' => 'image/jpeg',
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'png' => 'image/png',
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];
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protected $config;
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public function listGalleries($includeHidden = false)
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{
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$config = $this->getConfig();
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$slugs = [];
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foreach ($config['galleries'] as $id => $data) {
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if ($includeHidden || $data['public']) {
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$slugs[] = [
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'id' => $id,
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'label' => $data['name'],
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'new' => $data['new'],
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];
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}
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}
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return $slugs;
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}
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public function getGallery(string $slug)
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{
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$galleryList = $this->listGalleries(true);
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$slugs = array_map(function($item) {
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return $item['id'];
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}, $galleryList);
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$config = $this->getConfig();
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$images = [];
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if (in_array($slug, $slugs)) {
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$dir = $config['galleries'][$slug]['dir'];
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$images = array_map('basename', glob(sprintf(self::IMAGE_BASEDIR . "*.{jpg,jpeg,png}", $dir), GLOB_BRACE));
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}
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return [
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'name' => $config['galleries'][$slug]['name'],
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'type' => $config['galleries'][$slug]['type'],
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'images' => $images,
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];
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}
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public function getImage(string $slug, string $image, bool $size)
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{
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$config = $this->getConfig();
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$galleryDir = sprintf(self::IMAGE_BASEDIR, $config['galleries'][$slug]['dir']);
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$imageFileName = $size
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? $galleryDir . $image
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: $this->getResizedImageName($galleryDir, $image, $size);
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return fopen($imageFileName, 'r');
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}
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protected function getResizedImageName($galleryDirectory, $imageName, $size)
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{
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$numericSize = $size == 'thumb' ? self::THUMBNAIL_SIZE : $size;
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$thumbPath = $galleryDirectory . "thumb_" . $numericSize;
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@mkdir($thumbPath);
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$thumbImageName = $thumbPath . "/" . $imageName;
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if (!file_exists($thumbImageName)) {
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$thumbSize = new Box($numericSize, $numericSize);
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$imagine = new Imagine();
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$image = $imagine->open($galleryDirectory . $imageName)
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->thumbnail($thumbSize, ImageInterface::THUMBNAIL_OUTBOUND);
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$image->effects()->sharpen();
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$image->save($thumbImageName);
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}
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return $thumbImageName;
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}
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protected function getConfig()
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{
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if (null === $this->config) {
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$parser = new Parser();
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$configReader = new Yaml([$parser, 'parse']);
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$this->config = $configReader->fromFile(self::CONFIG_FILE);
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}
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return $this->config;
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}
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}
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