ifnews/app/Models/Game.php

<?php

namespace App\Models;

use Illuminate\Database\Eloquent\Model;
use App\Models\Author;
use App\Models\Language;
use App\Models\Tag;
use App\Models\Platform;
use App\Events\GameSaving;

class Game extends Model
{
  protected $table = 'games';
  public $guarded = ['id'];

  /**
   * The "booted" method of the model.
   *
   * @return void
   */
  protected static function booted()
  {
    static::saving(function ($game) {
      // Replace non-breaking space with regular one
      $game->title = str_replace(' ', ' ', $game->title);
      $game->title = trim($game->title);
      // strip quotes
      $game->title = trim($game->title,'"');
      $game->title = trim($game->title,"'");
      $game->description = str_replace(' ', ' ', $game->description);
      $game->description = trim($game->description);
    });
  }

  public function authors() {
    return $this->belongsToMany(Author::class, 'authors_games');
  }

  public function languages() {
    return $this->belongsToMany(Language::class, 'languages_games');
  }

  public function tags() {
    return $this->belongsToMany(Tag::class, 'tags_games');
  }

  public function platforms() {
    return $this->belongsToMany(Platform::class, 'games_platforms', 'game_id', 'platform_id');
  }
}