gamelog/app/Models/UserGame.php

<?php
namespace App\Models;
use App\Services\ActivityService;
use Illuminate\Database\Eloquent\Model;
use Illuminate\Database\Eloquent\Relations\BelongsTo;

class UserGame extends Model
{
    protected $fillable = ['user_id','game_id','status','rating','start_date','finish_date','hours_played','notes','is_private'];
    protected $casts = ['start_date'=>'date','finish_date'=>'date','is_private'=>'boolean'];

    const STATUSES = ['playing','played','want_to_play','on_hold','dropped'];

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

        static::created(function (UserGame $ug) {
            ActivityService::log($ug->user, 'added_to_library', $ug->game, ['status' => $ug->status]);
        });

        static::updated(function (UserGame $ug) {
            if ($ug->isDirty('rating') && $ug->rating) {
                ActivityService::log($ug->user, 'rated_game', $ug->game, ['rating' => $ug->rating]);
            }
        });
    }

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