mirror of
https://github.com/Poniverse/Pony.fm.git
synced 2024-11-21 20:48:00 +01:00
Documented the Track model's functions
This commit is contained in:
Peter Deltchev
parent
b84669c3f1
commit
8eaa22733b
1 changed files with 232 additions and 22 deletions
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@ -135,12 +135,16 @@ class Track extends Model implements Searchable, Commentable, Favouritable
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use RevisionableTrait;
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// Used for the track's upload status.
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// Used for the track's post-upload status. See UploadTrackCommand.
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const STATUS_COMPLETE = 0;
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const STATUS_PROCESSING = 1;
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const STATUS_ERROR = 2;
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/**
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* All the information about how to encode files into Pony.fm's various formats
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*
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* @var array
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*/
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public static $Formats = [
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'FLAC' => [
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'index' => 0,
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@ -206,11 +210,27 @@ class Track extends Model implements Searchable, Commentable, Favouritable
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'AAC'
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];
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/**
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* Formats in this file are treated specially by Pony.fm as lossless when,
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* for example, generating playlist and album downloads that contain a mix
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* of lossy and lossless tracks.
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*
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* The strings in this array must match keys in the `Track::$Formats` array.
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*
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* @var array
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*/
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public static $LosslessFormats = [
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'FLAC',
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'ALAC'
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];
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/**
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* Prepares a query builder object with typical fields used for a track
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* "tile" around the site and eager-loaded relations that are almost always
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* relevant.
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*
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* @return \Illuminate\Database\Eloquent\Builder
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*/
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public static function summary()
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{
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return self::select(
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@ -237,6 +257,11 @@ class Track extends Model implements Searchable, Commentable, Favouritable
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->with('user', 'cover', 'album');
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}
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/**
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* If a user is currently logged in, this scope eager-loads them.
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*
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* @param $query
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*/
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public function scopeUserDetails($query)
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{
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if (Auth::check()) {
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@ -248,16 +273,31 @@ class Track extends Model implements Searchable, Commentable, Favouritable
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}
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}
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/**
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* Limits the query scope to published tracks.
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*
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* @param $query
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*/
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public function scopePublished($query)
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{
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$query->whereNotNull('published_at');
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}
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/**
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* Limits the query scope to listed tracks.
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*
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* @param $query
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*/
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public function scopeListed($query)
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{
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$query->whereIsListed(true);
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}
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/**
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* Applies the NSFW filter: only allow explicit tracks to come back for
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* this query if a user is logged in and has opted in to them.
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* @param $query
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*/
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public function scopeExplicitFilter($query)
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{
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if (!Auth::check() || !Auth::user()->can_see_explicit_content) {
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@ -265,6 +305,11 @@ class Track extends Model implements Searchable, Commentable, Favouritable
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}
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}
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/**
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* Eager-loads track comments with this query.
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*
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* @param $query
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*/
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public function scopeWithComments($query)
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{
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$query->with([
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@ -285,7 +330,12 @@ class Track extends Model implements Searchable, Commentable, Favouritable
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}
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/**
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* @param integer $count
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* The (messy) query used to generate the list of popular tracks on PFM's
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* homepage.
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*
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* @param integer $count the number of tracks to return
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* @param bool $allowExplicit whether to include explicit tracks in the results
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* @param int $skip currently unused as of 2017-09-22
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* @return array
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*/
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public static function popular($count, $allowExplicit = false, $skip = 0)
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@ -393,6 +443,13 @@ class Track extends Model implements Searchable, Commentable, Favouritable
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return $processed;
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}
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/**
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* Brings together all the data displayed on a track page.
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* The data structure this returns is what the web API spits out.
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*
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* @param Track $track
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* @return array
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*/
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public static function mapPublicTrackShow(Track $track)
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{
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$returnValue = self::mapPublicTrackSummary($track);
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@ -440,6 +497,13 @@ class Track extends Model implements Searchable, Commentable, Favouritable
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return $returnValue;
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}
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/**
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* Brings together all the data shown on "track tiles" throughout the site.
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* The data structure this returns is what the web API spits out.
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*
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* @param Track $track
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* @return array
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*/
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public static function mapPublicTrackSummary(Track $track)
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{
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$userData = [
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@ -513,6 +577,13 @@ class Track extends Model implements Searchable, Commentable, Favouritable
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];
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}
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/**
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* Brings together the data about a track used by the track editor.
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* The data structure this returns is what the web API spits out.
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*
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* @param Track $track
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* @return array
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*/
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public static function mapPrivateTrackShow(Track $track)
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{
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$showSongs = [];
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@ -541,6 +612,15 @@ class Track extends Model implements Searchable, Commentable, Favouritable
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return $returnValue;
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}
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/**
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* Brings together the data shown for a "track tile" in a user's account
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* area (where they'd manage unlisted and unpublished tracks and the admin
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* area.
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*
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* The data structure this returns is what the web API spits out.
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* @param Track $track
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* @return array
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*/
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public static function mapPrivateTrackSummary(Track $track)
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{
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return [
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@ -664,6 +744,12 @@ class Track extends Model implements Searchable, Commentable, Favouritable
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}
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}
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/**
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* Returns true if the given user can view this track.
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*
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* @param $user
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* @return bool
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*/
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public function canView($user)
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{
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if ($this->isPublished() || $user->hasRole('admin')) {
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@ -673,11 +759,24 @@ class Track extends Model implements Searchable, Commentable, Favouritable
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return $this->user_id == $user->id;
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}
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/**
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* Magic method to create a "url" attribute on Track objects that contains
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* the track's canonical URL.
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*
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* @return string
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*/
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public function getUrlAttribute()
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{
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return action('TracksController@getTrack', ['id' => $this->id, 'slug' => $this->slug]);
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}
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/**
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* Magic method to create a "downloadDirectory" attribute on Track objects
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* that contains the directory path it should show up in inside downloaded
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* TrackCollection zip files.
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*
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* @return string
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*/
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public function getDownloadDirectoryAttribute()
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{
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if ($this->album) {
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@ -687,6 +786,12 @@ class Track extends Model implements Searchable, Commentable, Favouritable
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return $this->user->display_name;
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}
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/**
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* Returns a track's release date, heuristically generating a plausible one
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* if it is unknown.
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*
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* @return \Carbon\Carbon|string
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*/
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public function getReleaseDate()
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{
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if ($this->released_at !== null) {
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@ -700,6 +805,10 @@ class Track extends Model implements Searchable, Commentable, Favouritable
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return Str::limit($this->attributes['created_at'], 10, '');
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}
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/**
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* Ensures that the numbered directory this track's files would be stored in
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* server-side exists, creating it if needed.
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*/
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public function ensureDirectoryExists()
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{
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$destination = $this->getDirectory();
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@ -710,32 +819,58 @@ class Track extends Model implements Searchable, Commentable, Favouritable
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}
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}
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public function hasCover()
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/**
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* @return bool True if the track has an associated cover file.
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*/
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public function hasCover() : bool
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{
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return $this->cover_id != null;
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}
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public function isPublished()
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/**
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* @return bool True if the track has been published and not deleted.
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*/
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public function isPublished() : bool
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{
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return $this->published_at != null && $this->deleted_at == null;
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}
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/**
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* Returns the TrackFile object that represents the highest-fidelity version
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* of this track, which is used as the source file for transcoding to other
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* formats.
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*
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* @return TrackFile
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*/
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protected function getMasterTrackFile() : TrackFile
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{
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return $this->trackFiles()->where('is_master', true)->first();
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}
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/**
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* The key in `$Formats` above for the master file's format.
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*
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* @return string
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*/
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public function getMasterFormatName() : string
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{
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return $this->getMasterTrackFile()->format;
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}
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/**
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* @return bool True if this track's master file is a lossy one.
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*/
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public function isMasterLossy() : bool
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{
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return $this->getMasterTrackFile()->isLossy();
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}
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/**
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* Returns the URL to this track's cover art in the given size.
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*
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* @param int $type one of the image size constants in the `Image` class
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* @return string
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*/
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public function getCoverUrl($type = Image::NORMAL)
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{
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if (!$this->hasCover()) {
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@ -749,11 +884,24 @@ class Track extends Model implements Searchable, Commentable, Favouritable
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return $this->cover->getUrl($type);
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}
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/**
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* Returns the "stream" URL for this track in the given format. This is to
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* be used by the on-site player.
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*
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* @param string $format one of the format keys from the `$Formats` array
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* @return string
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*/
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public function getStreamUrl($format = 'MP3')
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{
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return action('TracksController@getStream', ['id' => $this->id, 'extension' => self::$Formats[$format]['extension']]);
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}
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/**
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* Returns the absolute path to the server-side directory that this track's
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* audio files are stored in.
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*
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* @return string
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*/
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public function getDirectory()
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{
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$dir = (string) (floor($this->id / 100) * 100);
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@ -766,7 +914,15 @@ class Track extends Model implements Searchable, Commentable, Favouritable
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return ['created_at', 'deleted_at', 'published_at', 'released_at'];
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}
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public function getFilenameFor($format)
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/**
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* Returns the server-side filename (not path) that a current TrackFile in
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* the given format would have.
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*
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* @param string $format one of the format keys from the `$Formats` array
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* @return string a filename
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* @throws Exception
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*/
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public function getFilenameFor(string $format) : string
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{
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if (!isset(self::$Formats[$format])) {
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throw new Exception("$format is not a valid format!");
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@ -777,7 +933,15 @@ class Track extends Model implements Searchable, Commentable, Favouritable
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return "{$this->id}-v{$this->current_version}.{$format['extension']}";
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}
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public function getDownloadFilenameFor($format)
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/**
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* Returns the filename that this track would have in the given format when
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* downloaded by a user.
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*
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* @param string $format one of the format keys from the `$Formats` array
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* @return string
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* @throws Exception
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*/
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public function getDownloadFilenameFor(string $format) : string
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{
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if (!isset(self::$Formats[$format])) {
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throw new Exception("$format is not a valid format!");
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@ -789,11 +953,13 @@ class Track extends Model implements Searchable, Commentable, Favouritable
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}
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/**
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* @param $format
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* @return string
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* Returns the absolute path to this track's file in a given format.
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*
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* @param string $format one of the format keys from the `$Formats` array
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* @return string absolute path to a track file
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* @throws Exception
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*/
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public function getFileFor($format)
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public function getFileFor(string $format) : string
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{
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if (!isset(self::$Formats[$format])) {
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throw new Exception("$format is not a valid format!");
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@ -817,8 +983,14 @@ class Track extends Model implements Searchable, Commentable, Favouritable
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return Config::get('ponyfm.files_directory').'/queued-tracks/'.$this->id.'v'.$version;
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}
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public function getUrlFor($format)
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/**
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* Returns the URL to download a track file from in the given format.
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*
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* @param string $format one of the format keys from the `$Formats` array
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* @return string
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* @throws Exception
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*/
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public function getUrlFor(string $format) : string
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{
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if (!isset(self::$Formats[$format])) {
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throw new Exception("$format is not a valid format!");
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@ -831,9 +1003,9 @@ class Track extends Model implements Searchable, Commentable, Favouritable
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/**
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* @return string one of the Track::STATUS_* values, indicating whether this track is currently being processed
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* @return int one of the Track::STATUS_* values, indicating whether this track is currently being processed
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*/
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public function getStatusAttribute()
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public function getStatusAttribute():int
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{
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return $this->trackFiles->reduce(function ($carry, $trackFile) {
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if ((int) $trackFile->status === TrackFile::STATUS_PROCESSING_ERROR) {
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@ -851,12 +1023,20 @@ class Track extends Model implements Searchable, Commentable, Favouritable
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}, static::STATUS_COMPLETE);
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}
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/**
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* Updates this track's hash of the artist name and track title.
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*/
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public function updateHash()
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{
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$this->hash = md5(Helpers::sanitizeInputForHashing($this->user->display_name).' - '.Helpers::sanitizeInputForHashing($this->title));
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}
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/**
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* Ensures that the metadata for this track's file in the given format is
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* up to date.
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* @param string $trackFileFormat one of the format keys from the `$Formats` array OR
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* 'all' to indicate the operation should be performed on all formats
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*/
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public function updateTags($trackFileFormat = 'all')
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{
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if ($trackFileFormat === 'all') {
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@ -869,6 +1049,11 @@ class Track extends Model implements Searchable, Commentable, Favouritable
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}
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}
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/**
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* Runs the command to update the given TrackFile's metadata.
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*
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* @param TrackFile $trackFile
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*/
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private function updateTagsForTrackFile(TrackFile $trackFile)
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{
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$trackFile->touch();
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@ -881,8 +1066,14 @@ class Track extends Model implements Searchable, Commentable, Favouritable
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}
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}
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/** @noinspection PhpUnusedPrivateMethodInspection */
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private function updateTagsWithAtomicParsley($format)
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/**
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* Writes a TrackFile's tags using AtomicParsley. This is useful for MP4
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* files (AAC and ALAC). This function is called from updateTagsForTrackFile.
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*
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* @noinspection PhpUnusedPrivateMethodInspection
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* @param string $format one of the format keys from the `$Formats` array
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*/
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private function updateTagsWithAtomicParsley(string $format)
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{
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$command = 'AtomicParsley "'.$this->getFileFor($format).'" ';
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$command .= '--title '.escapeshellarg($this->title).' ';
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@ -907,8 +1098,15 @@ class Track extends Model implements Searchable, Commentable, Favouritable
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External::execute($command);
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}
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/** @noinspection PhpUnusedPrivateMethodInspection */
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private function updateTagsWithGetId3($format)
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/**
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* Writes a TrackFile's tags using getId3(). This is useful for MP3, FLAC,
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* and OGG Vorbis files. This function is called from updateTagsForTrackFile.
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*
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* @noinspection PhpUnusedPrivateMethodInspection
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* @param string $format one of the format keys from the `$Formats` array
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*/
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private function updateTagsWithGetId3(string $format)
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{
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require_once(app_path().'/Library/getid3/getid3/getid3.php');
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require_once(app_path().'/Library/getid3/getid3/write.php');
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@ -965,11 +1163,14 @@ class Track extends Model implements Searchable, Commentable, Favouritable
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}
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}
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private function getCacheKey($key)
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private function getCacheKey($key) : string
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{
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return 'track-'.$this->id.'-'.$key;
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}
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/**
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* Marks this track and associated notification records as deleted.
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*/
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public function delete()
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{
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DB::transaction(function () {
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|
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@ -1003,12 +1204,21 @@ class Track extends Model implements Searchable, Commentable, Favouritable
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];
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}
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/**
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* Returns the word used to identify this "type" of content in notifications.
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* @return string
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*/
|
||||
public function getResourceType():string
|
||||
{
|
||||
return 'track';
|
||||
}
|
||||
|
||||
public function getNextVersion()
|
||||
/**
|
||||
* Returns the next version after this track's current one.
|
||||
*
|
||||
* @return int
|
||||
*/
|
||||
public function getNextVersion() : int
|
||||
{
|
||||
return $this->current_version + 1;
|
||||
}
|
||||
|
|
|
|||
Loading…
Reference in a new issue