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<?php |
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namespace Afsy\Component\AMQP; |
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use GuzzleHttp\Client as GuzzleClient; |
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use GuzzleHttp\Message\ResponseInterface; |
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use OldSound\RabbitMqBundle\RabbitMq\ConsumerInterface; |
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use PhpAmqpLib\Message\AMQPMessage; |
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class AfsyDownloadImageConsumer implements ConsumerInterface |
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{ |
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/** |
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* @var GuzzleClient |
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*/ |
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protected $client; |
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// Folders |
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protected $createFolderMod = 0755; |
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/** |
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* Main constructor. |
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* |
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* @param (GuzzleClient) $client Guzzle Client |
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* @param (array) $options Array of options |
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* |
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* @return (void) |
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*/ |
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public function __construct(GuzzleClient $client, $options = []) |
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{ |
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// Initialize |
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$this->client = $client; |
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// Initialize options |
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$this->createFolderMod = isset($options['createFolderMod']) ? $options['createFolderMod'] : $this->createFolderMod; |
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} |
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/** |
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* Main execute method |
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* Execute actions for a given message. |
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* |
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* @param (AMQPMessage) $msg An instance of `PhpAmqpLib\Message\AMQPMessage` with the $msg->body being the data sent over RabbitMQ |
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* |
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* @return (boolean) Execution status (true if everything's of, false if message should be re-queued) |
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*/ |
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public function execute(AMQPMessage $msg) |
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{ |
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// Initialize |
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$imageToDownload = unserialize($msg->body); |
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// Download image |
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if (!$this->downloadImageTo($imageToDownload['url'], $imageToDownload['savePath'])) { |
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// Image should be downloaded again |
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return false; |
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} |
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// Update saved html file |
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$savedHtmlFileContent = file_get_contents($imageToDownload['savedHtmlFile']); |
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// Update images paths |
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$savedHtmlFileContent = str_replace($imageToDownload['url'], $imageToDownload['savePath'], $savedHtmlFileContent); |
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// Save file |
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return file_put_contents($imageToDownload['savedHtmlFile'], $savedHtmlFileContent) > 0; |
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} |
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/** |
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* Download an image to a given path. |
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* |
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* @param (string) $downloadImagePath Download image path |
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* @param (string) $saveImagePath Save image path |
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* |
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* @return (boolean) Download status (or true if file already exists) |
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*/ |
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protected function downloadImageTo($downloadImagePath, $saveImagePath) |
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{ |
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// Initialize |
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$saveImageFolder = pathinfo($saveImagePath, PATHINFO_DIRNAME); |
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$saveStatus = false; |
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// Check if image already exists |
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if (file_exists($saveImagePath)) { |
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echo 'File "'.$saveImagePath.'" already exists'."\n"; |
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return true; |
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} |
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// Check if folder already exists |
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if (!is_dir($saveImageFolder)) { |
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// Initialize |
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$createFolderMod = is_int($this->createFolderMod) ? $this->createFolderMod : (int) ($this->createFolderMod); |
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// Create folder |
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mkdir($saveImageFolder, $createFolderMod, true); |
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echo 'Folder "'.$saveImageFolder.'" has been created.'."\n"; |
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} |
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// Download image |
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try { |
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// Log download status |
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echo 'Begin download of "'.$downloadImagePath.'".'."\n"; |
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// Get image content |
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/* @var ResponseInterface $imageContent */ |
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$imageContent = $this->client->get($downloadImagePath); |
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// Check content |
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if (404 === $imageContent->getStatusCode()) { |
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throw new \Exception('Error downloading file "'.$downloadImagePath.'" : returns a 404 page.', 1); |
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} |
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// Save image |
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$saveStatus = file_put_contents($saveImagePath, $imageContent) > 0; |
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// Log info |
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echo 'Image "'.$saveImagePath.'" has been successfully downloaded!'."\n"; |
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} catch (\Exception $e) { |
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// Log error |
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echo '#ERROR# Image "'.$downloadImagePath.'" was not downloaded! '."\n"; |
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} |
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// Return save status |
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return $saveStatus; |
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} |
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} |
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clem /
afsy-rabbitmq-tutorial
