Ajouter une route pour récupérer un fichier vidéo par ID avec gestion des erreurs

routes/videoRoutes.js

@@ -227,4 +227,55 @@ router.delete('/videos/:id', (req, res) => {
    });
 });
 
+/**
+ * @swagger
+ * /videos/file/{video_id}:
+ *   get:
+ *     summary: Retrieve a video by video ID
+ *     parameters:
+ *       - in: path
+ *         name: video_id
+ *         required: true
+ *         schema:
+ *           type: string
+ *         description: The video ID
+ *     responses:
+ *       200:
+ *         description: A video file
+ *         content:
+ *           application/octet-stream:
+ *             schema:
+ *               type: string
+ *               format: binary
+ *       404:
+ *         description: Video not found
+ *       400:
+ *         description: Video not yet produced
+ */
+router.get('/videos/file/:video_id', (req, res) => {
+   const videoId = req.params.video_id;
+   const query = 'SELECT video_path, status FROM public.videos WHERE id = $1';
+   db.query(query, [videoId], (err, results) => {
+       if (err) {
+           return serverError.sendError('Error getting video:', res, err);
+       }
+       if (results.rows.length === 0) {
+           return res.status(404).json({ error: 'Video not found' });
+       }
+       const video = results.rows[0];
+       if (video.status === 0) {
+           return res.status(400).json({ error: 'Video not yet produced' });
+       }
+       const videoPath = video.video_path;
+       fs.access(videoPath, fs.constants.F_OK, (err) => {
+           if (err) {
+               console.error('Video not found:', err);
+               return res.status(404).json({ error: 'Video not found' });
+           }
+           res.download(videoPath);
+       });
+   });
+});
+
+
 module.exports = router;