Service decorators - oh the evil I have wraught....

2026-04-29 19:44:25 +01:00
parent 8bb18bce05
commit 532e7eac81
21 changed files with 1129 additions and 79 deletions
@@ -0,0 +1,44 @@
+import {runCommand} from "./CliService";
+import {service} from "../core/service";
+
+@service('ffmpegService')
+export default class FFMpegService {
+    static async checkFile(filename: string) {
+        const file = await runCommand('ffprobe', [
+            '-v',
+            'quiet',
+            '-print_format',
+            'json',
+            '-show_format',
+            filename
+        ]);
+
+        if (file.stderr !== '') {
+            throw new Error('FFMpeg returned error: ' + file.stderr);
+        }
+
+        const json = JSON.parse(file.stdout);
+
+        if (!json || !json.format) {
+            throw new Error('FFMpeg did not return format block: ' + file.stdout);
+        }
+
+        return {
+            type: json.format.format_name,
+            duration: parseFloat(json.format.duration),
+            size: parseFloat(json.format.size),
+            tags: {
+                title: json.format.tags?.title || json.format.tags?.TITLE || null,
+                album: json.format.tags?.album || json.format.tags?.ALBUM || null,
+                artist: json.format.tags?.artist || json.format.tags?.ARTIST || null,
+                comment: json.format.tags?.comment || json.format.tags?.COMMENT || null,
+                track: json.format.tags?.track || json.format.tags?.TRACK || null,
+                genre: json.format.tags?.genre || json.format.tags?.GENRE || null,
+                publisher: json.format.tags?.publisher || json.format.tags?.PUBLISHER || null,
+                album_artist: json.format.tags?.album_artist || json.format.tags?.ALBUM_ARTIST || null,
+                composer: json.format.tags?.composer || json.format.tags?.COMPOSER || null,
+                year: json.format.tags?.year || json.format.tags?.YEAR || null,
+            },
+        };
+    }
+}