gamelog/app/Models/Review.php

<?php

namespace App\Models;

use Illuminate\Database\Eloquent\Model;
use Illuminate\Database\Eloquent\Relations\BelongsTo;
use Illuminate\Database\Eloquent\Relations\HasMany;

class Review extends Model
{
    protected $fillable = ['user_id', 'game_id', 'body', 'rating', 'has_spoilers'];

    protected $casts = ['has_spoilers' => 'boolean'];

    protected static function boot(): void
    {
        parent::boot();

        static::saved(function (Review $review) {
            $review->game->recalculateRating();
        });

        static::deleted(function (Review $review) {
            $review->game->recalculateRating();
        });
    }

    public function user(): BelongsTo { return $this->belongsTo(User::class); }
    public function game(): BelongsTo { return $this->belongsTo(Game::class); }
    public function votes(): HasMany { return $this->hasMany(ReviewVote::class); }
}