Add first edition of AndyTranscribe.

2026-08-12 13:59:33 +02:00
parent 9c8461405f
commit 771658040b
100 changed files with 18039 additions and 0 deletions
@@ -0,0 +1,77 @@
+<?php
+
+namespace App\Services;
+
+use Carbon\Carbon;
+use getID3;
+
+class Mp3MetadataService
+{
+    /**
+     * Extract ID3 and audio metadata from an MP3 file on disk.
+     *
+     * @return array{
+     *     title: ?string,
+     *     artist: ?string,
+     *     album: ?string,
+     *     duration_seconds: ?int,
+     *     recorded_at: ?string
+     * }
+     */
+    public function extract(string $absolutePath): array
+    {
+        $analyzer = new getID3;
+        $info = $analyzer->analyze($absolutePath);
+
+        $tags = [];
+        if (isset($info['tags']['id3v2'])) {
+            $tags = $info['tags']['id3v2'];
+        } elseif (isset($info['tags']['id3v1'])) {
+            $tags = $info['tags']['id3v1'];
+        }
+
+        $title = $this->firstTag($tags, 'title');
+        $artist = $this->firstTag($tags, 'artist');
+        $album = $this->firstTag($tags, 'album');
+        $year = $this->firstTag($tags, 'year') ?? $this->firstTag($tags, 'recording_time');
+
+        $duration = isset($info['playtime_seconds'])
+            ? (int) round((float) $info['playtime_seconds'])
+            : null;
+
+        $recordedAt = null;
+        if (filled($year) && preg_match('/^\d{4}/', $year)) {
+            try {
+                $recordedAt = Carbon::parse($year)->toDateTimeString();
+            } catch (\Throwable) {
+                $recordedAt = null;
+            }
+        }
+
+        return [
+            'title' => $title,
+            'artist' => $artist,
+            'album' => $album,
+            'duration_seconds' => $duration,
+            'recorded_at' => $recordedAt,
+        ];
+    }
+
+    /**
+     * @param  array<string, mixed>  $tags
+     */
+    private function firstTag(array $tags, string $key): ?string
+    {
+        if (! isset($tags[$key])) {
+            return null;
+        }
+
+        $value = $tags[$key];
+
+        if (is_array($value)) {
+            $value = $value[0] ?? null;
+        }
+
+        return filled($value) ? (string) $value : null;
+    }
+}