Pony.fm/app/Models/Genre.php
Laravel Shift 00f24a5c12 Laravel 5.2 Update (#106)
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[1]: https://github.com/php-fig/fig-standards/blob/master/accepted/PSR-2-coding-style-guide.md
[2]: https://github.com/squizlabs/PHP_CodeSniffer

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[1]: https://laravel.com/docs/5.2/requests

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2016-09-29 23:26:31 +01:00

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PHP

<?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\Models;
use DB;
use Illuminate\Database\Eloquent\Relations\Relation;
use Illuminate\Database\Eloquent\SoftDeletes;
use Poniverse\Ponyfm\Traits\SlugTrait;
use Illuminate\Database\Eloquent\Model;
use Venturecraft\Revisionable\RevisionableTrait;
/**
* Poniverse\Ponyfm\Models\Genre
*
* @property integer $id
* @property string $name
* @property string $slug
* @property string $deleted_at
* @property-read \Illuminate\Database\Eloquent\Collection|\Poniverse\Ponyfm\Models\Track[] $tracks
* @property-read \Poniverse\Ponyfm\Models\Track $trackCountRelation
* @property-read mixed $track_count
* @property-read mixed $url
* @property-write mixed $title
* @property-read \Illuminate\Database\Eloquent\Collection|\Venturecraft\Revisionable\Revision[] $revisionHistory
* @property \Carbon\Carbon $created_at
* @property \Carbon\Carbon $updated_at
*/
class Genre extends Model
{
protected $table = 'genres';
protected $fillable = ['name', 'slug'];
protected $appends = ['track_count', 'url'];
protected $hidden = ['trackCountRelation'];
use SlugTrait, SoftDeletes, RevisionableTrait;
public function tracks()
{
return $this->hasMany(Track::class, 'genre_id');
}
/**
* "Dummy" relation to facilitate eager-loading of a genre's track count.
* This relationship should not be used directly.
*
* Inspired by {@link http://softonsofa.com/tweaking-eloquent-relations-how-to-get-hasmany-relation-count-efficiently/}
*
* @return Relation
*/
public function trackCountRelation()
{
return $this->hasOne(Track::class)
->select(['genre_id', DB::raw('count(*) as track_count')])
->groupBy('genre_id');
}
/**
* Returns the number of tracks in this genre.
*
* @return int
*/
public function getTrackCountAttribute()
{
if (!$this->relationLoaded('trackCountRelation')) {
$this->load('trackCountRelation');
}
return $this->trackCountRelation ? $this->trackCountRelation->track_count : 0;
}
/**
* @return string relative, Angular-friendly URL to this genre
*/
public function getUrlAttribute()
{
return route('tracks.discover', ['filter' => "genres-{$this->id}"], false);
}
}