Class: Play::Song

Inherits:
ActiveRecord::Base
  • Object
show all
Defined in:
lib/play/song.rb

Class Method Summary collapse

Instance Method Summary collapse

Class Method Details

.office_song ⇒ Object

Pull a magic song from a hat, depending on who’s in the office.

Returns a Song that’s pulled from the favorite artists of the users currently located in the office.



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# File 'lib/play/song.rb', line 70

def self.office_song
  users = Play::Office.users
  if !users.empty?
    artist = users.collect(&:favorite_artists).flatten.shuffle.first
  end

  if artist
    artist.songs.shuffle.first
  else
    Play::Song.order("rand()").first
  end
end

.play_next_in_queue ⇒ Object

Plays the next song in the queue. Updates the appropriate metainformation in surrounding tables. Will pull an office favorite if there’s nothing in the queue currently.

Returns the Song that was selected next to be played.



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# File 'lib/play/song.rb', line 88

def self.play_next_in_queue
  song = queue.first
  song ||= office_song
  Play::History.create(:song => song)
  song.play!
  song.dequeue!
  song
end

Instance Method Details

#album_name ⇒ Object

The name of the album. Used for Mustache purposes.

Returns the String name of the album.



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# File 'lib/play/song.rb', line 22

def album_name
  album.name
end

#artist_name ⇒ Object

The name of the artist. Used for Mustache purposes.

Returns the String name of the artist.



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# File 'lib/play/song.rb', line 15

def artist_name
  artist.name
end

#current_votes ⇒ Object

The current votes for a song. A song may have many historical votes, which is well and good, but here we’re only concerned for the current round of whether it’s voted for.

Returns and Array of Vote objects.



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# File 'lib/play/song.rb', line 31

def current_votes
  votes.where(:active => true).all
end

#dequeue!(user = nil) ⇒ Object

Remove a song from the queue

user - the User who is requesting the song be removed

Returns true if removed properly, false otherwise.



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# File 'lib/play/song.rb', line 51

def dequeue!(user=nil)
  self.queued = false
  save
end

#enqueue!(user) ⇒ Object

Queue up a song.

user - the User who is requesting the song to be queued

Returns the result of the user’s vote for that song.



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# File 'lib/play/song.rb', line 40

def enqueue!(user)
  self.queued = true
  save
  user.vote_for(self)
end

#play! ⇒ Object

Update the metadata surrounding playing a song.

Returns a Boolean of whether we’ve saved the song.



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# File 'lib/play/song.rb', line 59

def play!
  Song.update_all(:now_playing => false)
  self.now_playing = true
  votes.update_all(:active => false)
  save
end