Последняя версия с сервера прошлого разработчика

app/Domain/Messenger/Models/ChatRoom.php

@@ -0,0 +1,25 @@
+<?php
+
+namespace App\Domain\Messenger\Models;
+
+use App\Models\User;
+use App\Models\Model;
+
+class ChatRoom extends Model
+{
+
+    public function messsages()
+    {
+        return $this->hasMany(Message::class)->orderBy('created_at', 'desc');
+    }
+
+    public function latestMessage()
+    {
+        return $this->hasOne(Message::class)->latestOfMany();
+    }
+
+    public function users()
+    {
+        return $this->belongsToMany(User::class, 'user_chat_room');
+    }
+}

app/Domain/Messenger/Models/Message.php

@@ -0,0 +1,24 @@
+<?php
+
+namespace App\Domain\Messenger\Models;
+
+use App\Models\User;
+use App\Models\Model;
+use App\Domain\Messenger\Models\ChatRoom;
+
+class Message extends Model
+{
+
+    // protected $touches = ['room'];
+
+    public function user()
+    {
+        return $this->belongsTo(User::class);
+    }
+
+    public function room()
+    {
+        return $this->belongsTo(ChatRoom::class, 'chat_room_id');
+    }
+
+}