them log, chinh upload

app/Models/ActivityLog.php

@@ -0,0 +1,32 @@
+<?php
+
+namespace App\Models;
+
+use Illuminate\Database\Eloquent\Attributes\Fillable;
+use Illuminate\Database\Eloquent\Model;
+use Illuminate\Database\Eloquent\Relations\BelongsTo;
+use Illuminate\Database\Eloquent\Relations\MorphTo;
+
+#[Fillable(['user_id', 'action', 'description', 'subject_type', 'subject_id', 'metadata', 'created_at'])]
+class ActivityLog extends Model
+{
+    public $timestamps = false;
+
+    protected function casts(): array
+    {
+        return [
+            'metadata' => 'array',
+            'created_at' => 'datetime',
+        ];
+    }
+
+    public function user(): BelongsTo
+    {
+        return $this->belongsTo(User::class);
+    }
+
+    public function subject(): MorphTo
+    {
+        return $this->morphTo();
+    }
+}