<?php /** * Pony.fm - A community for pony fan music. * Copyright (C) 2015 Peter Deltchev * * This program is free software: you can redistribute it and/or modify * it under the terms of the GNU Affero General Public License as published by * the Free Software Foundation, either version 3 of the License, or * (at your option) any later version. * * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU Affero General Public License for more details. * * You should have received a copy of the GNU Affero General Public License * along with this program. If not, see <http://www.gnu.org/licenses/>. */ namespace Poniverse\Ponyfm\Jobs; use Auth; use DB; use Poniverse\Ponyfm\Models\Genre; use Illuminate\Queue\InteractsWithQueue; use Illuminate\Contracts\Bus\SelfHandling; use Illuminate\Contracts\Queue\ShouldQueue; use Poniverse\Ponyfm\Models\Track; use SerializesModels; class DeleteGenre extends Job implements SelfHandling, ShouldQueue { use InteractsWithQueue, SerializesModels; protected $executingUser; protected $genreToDelete; protected $destinationGenre; /** * Create a new job instance. * * @param Genre $genreToDelete * @param Genre $destinationGenre */ public function __construct(Genre $genreToDelete, Genre $destinationGenre) { $this->executingUser = Auth::user(); $this->genreToDelete = $genreToDelete; $this->destinationGenre = $destinationGenre; // The genre is deleted synchronously before the job is executed in // order to prevent race conditions. $this->genreToDelete->delete(); } /** * Execute the job. * * @return void */ public function handle() { $this->beforeHandle(); // The user who kicked off this job is used when generating revision log entries. Auth::login($this->executingUser); // This is done instead of a single UPDATE query in order to // generate revision logs for the change. $this->genreToDelete->tracks()->chunk(200, function ($tracks) { foreach ($tracks as $track) { /** @var Track $track */ $track->genre_id = $this->destinationGenre->id; $track->save(); $track->updateTags(); } }); } }