wip-feat: adds download message queue logic

src/Download/Downloader/ProcessDownloader.php

@@ -0,0 +1,64 @@
+<?php
+
+namespace App\Download\Downloader;
+
+use App\Download\Framework\Entity\Download;
+use Doctrine\ORM\EntityManagerInterface;
+use Symfony\Component\Process\Exception\ProcessFailedException;
+use Symfony\Component\Process\Process;
+
+class ProcessDownloader implements DownloaderInterface
+{
+    public function __construct(
+        private EntityManagerInterface $entityManager,
+    ) {}
+
+    /**
+     * @inheritDoc
+     */
+    public function download(string $baseDir, string $title, string $url, ?int $downloadId): void
+    {
+        /** @var Download $downloadEntity */
+        $downloadEntity = $this->entityManager->getRepository(Download::class)->find($downloadId);
+        $downloadEntity->setProgress(0);
+        $this->entityManager->flush();
+
+        $process = new Process([
+            '/bin/sh',
+            '/var/www/bash/app/wget_download.sh',
+            $baseDir,
+            $title,
+            $url
+        ]);
+
+        $process->setTimeout(1800); // 30 min
+        $process->setIdleTimeout(600); // 10 min
+
+        $process->start();
+
+        try {
+            $progress = 0;
+            $this->entityManager->flush();
+            $process->wait(function ($type, $buffer) use ($progress, $downloadEntity): void {
+                if (Process::ERR === $type) {
+                    $pregMatchOutput = [];
+                    preg_match('/[\d]+%/', $buffer, $pregMatchOutput);
+
+                    if (!empty($pregMatchOutput)) {
+                        if ($pregMatchOutput[0] !== $progress) {
+                            $progress = (int) $pregMatchOutput[0];
+                            $downloadEntity->setProgress($progress);
+                            $this->entityManager->flush();
+                        }
+                    }
+                }
+                fwrite(STDOUT, $buffer);
+            });
+            $downloadEntity->setProgress(100);
+        } catch (ProcessFailedException $exception) {
+            $downloadEntity->setStatus('Failed');
+        }
+
+        $this->entityManager->flush();
+    }
+}