Pony.fm/app/Models/Playlist.php
2016-01-16 01:13:53 -08:00

300 lines
9.7 KiB
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 Helpers;
use Illuminate\Database\Eloquent\Model;
use Illuminate\Database\Eloquent\SoftDeletes;
use Illuminate\Foundation\Bus\DispatchesJobs;
use Auth;
use Cache;
use Poniverse\Ponyfm\Exceptions\TrackFileNotFoundException;
use Poniverse\Ponyfm\Traits\IndexedInElasticsearch;
use Poniverse\Ponyfm\Traits\TrackCollection;
use Poniverse\Ponyfm\Traits\SlugTrait;
use Venturecraft\Revisionable\RevisionableTrait;
/**
* Poniverse\Ponyfm\Models\Playlist
*
* @property integer $id
* @property integer $user_id
* @property string $title
* @property string $slug
* @property string $description
* @property boolean $is_public
* @property integer $track_count
* @property integer $view_count
* @property integer $download_count
* @property integer $favourite_count
* @property integer $follow_count
* @property integer $comment_count
* @property \Carbon\Carbon $created_at
* @property \Carbon\Carbon $updated_at
* @property \Carbon\Carbon $deleted_at
* @property-read \Illuminate\Database\Eloquent\Collection|\Poniverse\Ponyfm\Models\Track[] $tracks
* @property-read \Illuminate\Database\Eloquent\Collection|\Poniverse\Ponyfm\Models\ResourceUser[] $users
* @property-read \Illuminate\Database\Eloquent\Collection|\Poniverse\Ponyfm\Models\Comment[] $comments
* @property-read \Illuminate\Database\Eloquent\Collection|\Poniverse\Ponyfm\Models\PinnedPlaylist[] $pins
* @property-read \Poniverse\Ponyfm\Models\User $user
* @property-read mixed $url
* @property-read \Illuminate\Database\Eloquent\Collection|\Venturecraft\Revisionable\Revision[] $revisionHistory
* @method static \Illuminate\Database\Query\Builder|\Poniverse\Ponyfm\Models\Playlist userDetails()
*/
class Playlist extends Model
{
use SoftDeletes, SlugTrait, DispatchesJobs, TrackCollection, RevisionableTrait, IndexedInElasticsearch;
protected $elasticsearchType = 'playlist';
protected $table = 'playlists';
protected $dates = ['deleted_at'];
public static function summary()
{
return self::select('id', 'title', 'user_id', 'slug', 'created_at', 'is_public', 'description', 'comment_count',
'download_count', 'view_count', 'favourite_count');
}
public function scopeUserDetails($query)
{
if (Auth::check()) {
$query->with([
'users' => function ($query) {
$query->whereUserId(Auth::user()->id);
}
]);
}
return !$query;
}
public static function mapPublicPlaylistShow(Playlist $playlist)
{
$tracks = [];
foreach ($playlist->tracks as $track) {
/** @var $track Track */
$tracks[] = Track::mapPublicTrackSummary($track);
}
$formats = [];
foreach (Track::$Formats as $name => $format) {
$formats[] = [
'name' => $name,
'extension' => $format['extension'],
'url' => $playlist->getDownloadUrl($name),
'size' => Helpers::formatBytes($playlist->getFilesize($name)),
'isCacheable' => (in_array($name, Track::$CacheableFormats) ? true : false)
];
}
$comments = [];
foreach ($playlist->comments as $comment) {
$comments[] = Comment::mapPublic($comment);
}
$data = self::mapPublicPlaylistSummary($playlist);
$data['tracks'] = $tracks;
$data['comments'] = $comments;
$data['formats'] = $formats;
$data['share'] = [
'url' => action('PlaylistsController@getShortlink', ['id' => $playlist->id]),
'tumblrUrl' => 'http://www.tumblr.com/share/link?url=' . urlencode($playlist->url) . '&name=' . urlencode($playlist->title) . '&description=' . urlencode($playlist->description),
'twitterUrl' => 'https://platform.twitter.com/widgets/tweet_button.html?text=' . $playlist->title . ' by ' . $playlist->user->display_name . ' on Pony.fm'
];
return $data;
}
public static function mapPublicPlaylistSummary(Playlist $playlist)
{
$userData = [
'stats' => [
'views' => 0,
'downloads' => 0
],
'is_favourited' => false
];
if (Auth::check() && $playlist->users->count()) {
$userRow = $playlist->users[0];
$userData = [
'stats' => [
'views' => (int)$userRow->view_count,
'downloads' => (int)$userRow->download_count,
],
'is_favourited' => (bool)$userRow->is_favourited
];
}
return [
'id' => (int)$playlist->id,
'track_count' => $playlist->track_count,
'title' => $playlist->title,
'slug' => $playlist->slug,
'created_at' => $playlist->created_at->format('c'),
'is_public' => (bool)$playlist->is_public,
'stats' => [
'views' => (int)$playlist->view_count,
'downloads' => (int)$playlist->download_count,
'comments' => (int)$playlist->comment_count,
'favourites' => (int)$playlist->favourite_count
],
'covers' => [
'small' => $playlist->getCoverUrl(Image::SMALL),
'normal' => $playlist->getCoverUrl(Image::NORMAL),
'original' => $playlist->getCoverUrl(Image::ORIGINAL)
],
'url' => $playlist->url,
'user' => [
'id' => (int)$playlist->user->id,
'name' => $playlist->user->display_name,
'url' => $playlist->user->url,
],
'user_data' => $userData,
'permissions' => [
'delete' => Auth::check() && Auth::user()->id == $playlist->user_id,
'edit' => Auth::check() && Auth::user()->id == $playlist->user_id
]
];
}
public function tracks()
{
return $this
->belongsToMany('Poniverse\Ponyfm\Models\Track')
->withPivot('position')
->withTimestamps()
->orderBy('position', 'asc');
}
public function trackFiles()
{
$trackIds = $this->tracks->lists('id');
return TrackFile::whereIn('track_id', $trackIds);
}
public function users()
{
return $this->hasMany('Poniverse\Ponyfm\Models\ResourceUser');
}
public function comments()
{
return $this->hasMany('Poniverse\Ponyfm\Models\Comment')->orderBy('created_at', 'desc');
}
public function pins()
{
return $this->hasMany('Poniverse\Ponyfm\Models\PinnedPlaylist');
}
public function user()
{
return $this->belongsTo('Poniverse\Ponyfm\Models\User');
}
public function hasPinFor($userId)
{
foreach ($this->pins as $pin) {
if ($pin->user_id == $userId) {
return true;
}
}
return false;
}
public function canView($user)
{
return $this->is_public || ($user != null && $user->id == $this->user_id);
}
public function getUrlAttribute()
{
return action('PlaylistsController@getPlaylist', ['id' => $this->id, 'slug' => $this->slug]);
}
public function getDownloadUrl($format)
{
return action('PlaylistsController@getDownload', ['id' => $this->id, 'format' => Track::$Formats[$format]['extension']]);
}
public function getFilesize($format)
{
$tracks = $this->tracks;
if (!count($tracks)) {
return 0;
}
return Cache::remember($this->getCacheKey('filesize-' . $format), 1440, function () use ($tracks, $format) {
$size = 0;
foreach ($tracks as $track) {
/** @var $track Track */
// Ensure that only downloadable tracks are added onto the file size
if ($track->is_downloadable == 1) {
try {
$size += $track->getFilesize($format);
} catch (TrackFileNotFoundException $e) {
// do nothing - this track won't be included in the download
}
}
}
return $size;
});
}
public function getCoverUrl($type = Image::NORMAL)
{
if ($this->tracks->count() == 0) {
return $this->user->getAvatarUrl($type);
}
return $this->tracks[0]->getCoverUrl($type);
}
public function pin($userId)
{
$pin = new PinnedPlaylist();
$pin->playlist_id = $this->id;
$pin->user_id = $userId;
$pin->save();
}
private function getCacheKey($key)
{
return 'playlist-' . $this->id . '-' . $key;
}
/**
* Returns this model in Elasticsearch-friendly form. The array returned by
* this method should match the current mapping for this model's ES type.
*
* @return array
*/
public function toElasticsearch() {
return $this->toArray();
}
}