source: app/Models/Review.php

<?php

namespace App\Models;

use Illuminate\Database\Eloquent\Factories\HasFactory;
use Illuminate\Database\Eloquent\Model;
use Illuminate\Database\Eloquent\Relations\BelongsTo;

class Review extends Model
{
    use HasFactory;

    protected $table = 'reviews';

    public $timestamps = false;

    /**
     * The attributes that are mass assignable.
     *
     * @var array<int, string>
     */
    protected $fillable = [
        'rating',
        'content',
        'organizer_id',
        'artist_id',
    ];

    /**
     * The attributes that should be cast.
     *
     * @var array<string, string>
     */
    protected $casts = [
        'created_at' => 'datetime',
    ];

    public function organizer(): BelongsTo
    {
        return $this->belongsTo(Organizer::class, 'organizer_id', 'user_id');
    }

    public function artist(): BelongsTo
    {
        return $this->belongsTo(Artist::class, 'artist_id', 'user_id');
    }
}