Extract thumbnail manager classes from appbox

lib/Alchemy/Phrasea/Core/Thumbnail/AbstractThumbnailManager.php

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+<?php
+
+namespace Alchemy\Phrasea\Core\Thumbnail;
+
+use Alchemy\Phrasea\Application;
+use MediaAlchemyst\Alchemyst;
+use MediaAlchemyst\Specification\Image as ImageSpecification;
+use MediaVorus\Media\Image;
+use MediaVorus\Media\MediaInterface;
+use MediaVorus\Media\Video;
+use Symfony\Component\Filesystem\Filesystem;
+use Symfony\Component\HttpFoundation\File\File;
+
+abstract class AbstractThumbnailManager
+{
+    /**
+     * @var string[]
+     */
+    protected static $allowedMimeTypes = [
+        'image/gif',
+        'image/png',
+        'image/jpeg',
+        'image/jpg',
+        'image/pjpeg'
+    ];
+
+    /**
+     * @var Alchemyst
+     */
+    protected $alchemyst;
+
+    /**
+     * @var Application
+     */
+    protected $application;
+
+    /**
+     * @var Filesystem
+     */
+    protected $filesystem;
+
+    /**
+     * @var string
+     */
+    protected $rootPath;
+
+    /**
+     * @param Application $application
+     * @param Alchemyst $alchemyst
+     * @param Filesystem $filesystem
+     * @param $rootPath
+     */
+    public function __construct(Application $application, Alchemyst $alchemyst, Filesystem $filesystem, $rootPath)
+    {
+        $this->alchemyst = $alchemyst;
+        $this->application = $application;
+        $this->filesystem = $filesystem;
+        $this->rootPath = $rootPath;
+    }
+
+    protected function validateFileMimeType(File $file)
+    {
+        if (!in_array(mb_strtolower($file->getMimeType()), self::$allowedMimeTypes)) {
+            throw new \InvalidArgumentException('Invalid file format');
+        }
+    }
+
+    /**
+     * @param MediaInterface $media
+     * @param int $maxWidth
+     * @param int $maxHeight
+     * @return bool
+     */
+    protected function shouldResize($media, $maxWidth, $maxHeight)
+    {
+        if (! $media instanceof Image && ! $media instanceof Video) {
+            return false;
+        }
+
+        return $media->getWidth() > $maxWidth || $media->getHeight() > $maxHeight;
+    }
+
+    /**
+     * @param ImageSpecification $imageSpec
+     * @param int $width
+     * @param int $height
+     */
+    protected function setSpecificationSize(ImageSpecification $imageSpec, $width, $height)
+    {
+        $imageSpec->setResizeMode(ImageSpecification::RESIZE_MODE_INBOUND_FIXEDRATIO);
+        $imageSpec->setDimensions($width, $height);
+    }
+
+    /**
+     * @param File $file
+     * @param $imageSpec
+     * @return string
+     * @throws \MediaAlchemyst\Exception\FileNotFoundException
+     */
+    protected function resizeMediaFile(File $file, $imageSpec)
+    {
+        $tmp = tempnam(sys_get_temp_dir(), 'tmpdatabox') . '.jpg';
+        $this->alchemyst->turninto($file->getPathname(), $tmp, $imageSpec);
+
+        return $tmp;
+    }
+
+    /**
+     * @param string $target
+     * @param string $filename
+     */
+    protected function copyFile($target, $filename)
+    {
+        if (is_file($target)) {
+            $this->filesystem->remove($target);
+        }
+
+        if (null === $target || null === $filename) {
+            return;
+        }
+
+        $this->filesystem->mkdir(dirname($target), 0750);
+        $this->filesystem->copy($filename, $target, true);
+        $this->filesystem->chmod($target, 0760);
+    }
+}

lib/Alchemy/Phrasea/Core/Thumbnail/CollectionThumbnailManager.php

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+<?php
+
+namespace Alchemy\Phrasea\Core\Thumbnail;
+
+use Alchemy\Phrasea\Application;
+use MediaAlchemyst\Specification\Image as ImageSpecification;
+use Symfony\Component\HttpFoundation\File\File;
+
+class CollectionThumbnailManager extends AbstractThumbnailManager implements ThumbnailManager
+{
+
+    /**
+     * @param ThumbnailedElement $element
+     * @param $thumbnailType
+     * @param File $file
+     */
+    public function setThumbnail(ThumbnailedElement $element, $thumbnailType, File $file = null)
+    {
+        $filename = null;
+
+        if (!is_null($file)) {
+            $this->validateFileMimeType($file);
+            $filename = $this->generateThumbnail($thumbnailType, $file);
+        }
+
+        $logoFile = $this->rootPath . '/config/' . $thumbnailType . '/' . $element->getRootIdentifier();
+        $custom_path = $this->rootPath . '/www/custom/' . $thumbnailType . '/' . $element->getRootIdentifier();
+
+        foreach ([$logoFile, $custom_path] as $target) {
+            $this->copyFile($target, $filename);
+        }
+
+        $element->updateThumbnail($thumbnailType, $file);
+    }
+
+
+    /**
+     * @param $thumbnailType
+     * @param File $file
+     * @return string
+     */
+    protected function generateThumbnail($thumbnailType, File $file)
+    {
+        $filename = $file->getPathname();
+        $imageSpec = new ImageSpecification();
+
+        if ($thumbnailType === ThumbnailManager::TYPE_LOGO) {
+            //resize collection logo
+            $media = $this->application->getMediaFromUri($filename);
+
+            if ($this->shouldResize($media, 120, 24)) {
+                $this->setSpecificationSize($imageSpec, 120, 24);
+            }
+
+            $filename = $this->resizeMediaFile($file, $imageSpec);
+
+            return $filename;
+        } elseif ($thumbnailType === ThumbnailManager::TYPE_PRESENTATION) {
+            //resize collection logo
+            $this->setSpecificationSize($imageSpec, 650, 200);
+
+            $filename = $this->resizeMediaFile($file, $imageSpec);
+
+            return $filename;
+        }
+
+        return $filename;
+    }
+}

lib/Alchemy/Phrasea/Core/Thumbnail/DataboxThumbnailManager.php

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+<?php
+
+namespace Alchemy\Phrasea\Core\Thumbnail;
+
+use Alchemy\Phrasea\Application;
+use MediaAlchemyst\Specification\Image as ImageSpecification;
+use Symfony\Component\HttpFoundation\File\File;
+
+class DataboxThumbnailManager extends AbstractThumbnailManager implements ThumbnailManager
+{
+    public function setThumbnail(ThumbnailedElement $element, $thumbnailType, File $file = null)
+    {
+        $filename = null;
+
+        if ($thumbnailType !== ThumbnailManager::TYPE_PDF) {
+            throw new \InvalidArgumentException('Unsupported thumbnail type.');
+        }
+
+        if (!is_null($file)) {
+            $this->validateFileMimeType($file);
+            $filename = $this->generateThumbnail($file);
+        }
+
+        $logoFile = $this->rootPath . '/config/minilogos/' . $thumbnailType . '_' . $element->getRootIdentifier() . '.jpg';
+        $custom_path = $this->rootPath . '/www/custom/minilogos/' . $thumbnailType . '_' . $element->getRootIdentifier() . '.jpg';
+
+        foreach ([$logoFile, $custom_path] as $target) {
+            $this->copyFile($target, $filename);
+        }
+
+        $element->updateThumbnail($thumbnailType, $file);
+    }
+
+    /**
+     * @param File $file
+     * @return string
+     */
+    protected function generateThumbnail(File $file)
+    {
+        $imageSpec = new ImageSpecification();
+
+        $this->setSpecificationSize($imageSpec, 120, 35);
+
+        $filename = $this->resizeMediaFile($file, $imageSpec);
+
+        return $filename;
+    }
+}

lib/Alchemy/Phrasea/Core/Thumbnail/ThumbnailManager.php

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+<?php
+
+namespace Alchemy\Phrasea\Core\Thumbnail;
+
+use Symfony\Component\HttpFoundation\File\File;
+
+interface ThumbnailManager
+{
+
+    const TYPE_LOGO = 'minilogos';
+
+    const TYPE_PDF = 'logopdf';
+
+    const TYPE_WM = 'wm';
+
+    const TYPE_STAMP = 'stamp';
+
+    const TYPE_PRESENTATION = 'presentation';
+
+    public function setThumbnail(ThumbnailedElement $element, $thumbnailType, File $file = null);
+}

lib/Alchemy/Phrasea/Core/Thumbnail/ThumbnailedElement.php

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+<?php
+
+namespace Alchemy\Phrasea\Core\Thumbnail;
+
+use Symfony\Component\HttpFoundation\File\File;
+
+interface ThumbnailedElement
+{
+
+    public function getRootIdentifier();
+
+    public function updateThumbnail($thumbnailType, File $file = null);
+}