init

app/Models/Comment.php

@@ -0,0 +1,22 @@
+<?php
+
+namespace App\Models;
+
+use Illuminate\Database\Eloquent\Relations\BelongsTo;
+use Illuminate\Database\Eloquent\SoftDeletes;
+
+class Comment extends Model
+{
+    use SoftDeletes;
+
+    public function user(): BelongsTo
+    {
+        return $this->belongsTo(User::class);
+    }
+
+    public function parent(): BelongsTo
+    {
+        return $this->belongsTo(__CLASS__, 'parent_id');
+    }
+
+}