UNIT3D-Community-Edition/app/Models/Chatroom.php

<?php
/**
 * NOTICE OF LICENSE.
 *
 * UNIT3D Community Edition is open-sourced software licensed under the GNU Affero General Public License v3.0
 * The details is bundled with this project in the file LICENSE.txt.
 *
 * @project    UNIT3D Community Edition
 *
 * @author     HDVinnie <hdinnovations@protonmail.com>
 * @license    https://www.gnu.org/licenses/agpl-3.0.en.html/ GNU Affero General Public License v3.0
 */

namespace App\Models;

use App\Traits\Auditable;
use Illuminate\Database\Eloquent\Factories\HasFactory;
use Illuminate\Database\Eloquent\Model;
use Illuminate\Notifications\Notifiable;

class Chatroom extends Model
{
    use Auditable;
    use HasFactory;
    use Notifiable;

    /**
     * The Attributes That Are Mass Assignable.
     *
     * @var string[]
     */
    protected $fillable = [
        'name',
    ];

    /**
     * A User Has Many Messages.
     *
     * @return \Illuminate\Database\Eloquent\Relations\HasMany<Message>
     */
    public function messages(): \Illuminate\Database\Eloquent\Relations\HasMany
    {
        return $this->hasMany(Message::class);
    }

    /**
     * A Chat Room Has Many Users.
     *
     * @return \Illuminate\Database\Eloquent\Relations\HasMany<User>
     */
    public function users(): \Illuminate\Database\Eloquent\Relations\HasMany
    {
        return $this->hasMany(User::class);
    }
}