Harden

app/Models/Comment.php

@@ -0,0 +1,27 @@
+<?php
+
+namespace App\Models;
+
+use Illuminate\Database\Eloquent\Attributes\Fillable;
+use Illuminate\Database\Eloquent\Relations\BelongsTo;
+use Illuminate\Database\Eloquent\Relations\MorphTo;
+use Illuminate\Database\Eloquent\Model;
+
+#[Fillable(['user_id', 'body', 'is_hidden'])]
+class Comment extends Model
+{
+    protected function casts(): array
+    {
+        return ['is_hidden' => 'boolean'];
+    }
+
+    public function commentable(): MorphTo
+    {
+        return $this->morphTo();
+    }
+
+    public function user(): BelongsTo
+    {
+        return $this->belongsTo(User::class);
+    }
+}