ladill-meet/app/Models/BreakoutRoom.php

<?php

namespace App\Models;

use App\Models\Concerns\BelongsToOwner;
use Illuminate\Database\Eloquent\Model;
use Illuminate\Database\Eloquent\Relations\BelongsTo;
use Illuminate\Database\Eloquent\Relations\HasMany;
use Illuminate\Support\Str;

class BreakoutRoom extends Model
{
    use BelongsToOwner;

    protected $table = 'meet_breakout_rooms';

    protected $fillable = [
        'uuid', 'owner_ref', 'session_id', 'name', 'media_room_name', 'status', 'closes_at',
    ];

    protected function casts(): array
    {
        return ['closes_at' => 'datetime'];
    }

    protected static function booted(): void
    {
        static::creating(function (BreakoutRoom $room) {
            if (empty($room->uuid)) {
                $room->uuid = (string) Str::uuid();
            }
        });
    }

    public function getRouteKeyName(): string
    {
        return 'uuid';
    }

    public function session(): BelongsTo
    {
        return $this->belongsTo(Session::class, 'session_id');
    }

    public function assignments(): HasMany
    {
        return $this->hasMany(BreakoutAssignment::class, 'breakout_room_id');
    }
}