feat: initial commit - Band Management application

api/app/Models/MusicAttachment.php

@@ -0,0 +1,41 @@
+<?php
+
+declare(strict_types=1);
+
+namespace App\Models;
+
+use Illuminate\Database\Eloquent\Concerns\HasUlids;
+use Illuminate\Database\Eloquent\Factories\HasFactory;
+use Illuminate\Database\Eloquent\Model;
+use Illuminate\Database\Eloquent\Relations\BelongsTo;
+
+final class MusicAttachment extends Model
+{
+    use HasFactory;
+    use HasUlids;
+
+    protected $fillable = [
+        'music_number_id',
+        'file_name',
+        'original_name',
+        'file_path',
+        'file_type',
+        'file_size',
+        'mime_type',
+    ];
+
+    protected function casts(): array
+    {
+        return [
+            'file_size' => 'integer',
+        ];
+    }
+
+    // Relationships
+
+    public function musicNumber(): BelongsTo
+    {
+        return $this->belongsTo(MusicNumber::class);
+    }
+}
+