Changes

app/Models/AcceptedInvitation.php

@@ -0,0 +1,23 @@
+<?php
+
+namespace App\Models;
+
+use Illuminate\Database\Eloquent\Factories\HasFactory;
+use Illuminate\Database\Eloquent\Model;
+
+class AcceptedInvitation extends Model
+{
+    use HasFactory;
+
+    protected $fillable = ['sender_id', 'receiver_id', 'post_limit'];
+
+    public function sender()
+    {
+        return $this->belongsTo(User::class, 'sender_id');
+    }
+
+    public function receiver()
+    {
+        return $this->belongsTo(User::class, 'receiver_id');
+    }
+}