Class: Apple::Music::Library::Library

Inherits:
Object
  • Object
show all
Includes:
Utils
Defined in:
lib/apple/music/library/library.rb

Constant Summary collapse

MUSIC_FORMATS = 
[
  'AAC audio file',
  'AIFF audio file',
  'Matched AAC audio file',
  'MPEG audio file',
  'MPEG-4 audio file',
  'Protected AAC audio file',
  'Purchased AAC audio file'
]

Instance Attribute Summary collapse

Instance Method Summary collapse

Methods included from Utils

#delimit, #dump, #heading, #message

Constructor Details

#initialize(music_library_file_path, verbose = false) ⇒ Library

Returns a new instance of Library.



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# File 'lib/apple/music/library/library.rb', line 29

def initialize(music_library_file_path, verbose = false)
  @verbose = verbose
  message("Initializing library with #{music_library_file_path}")

  unless File.file?(music_library_file_path)
    raise Error.new("Supplied path name does not exist: [#{music_library_file_path}]")
  end
  begin
    @plist = Plist.parse_xml(music_library_file_path)
  rescue => e
    raise Error, 'Failed to parse library xml file due to invalid format'
  end

  @artists_hash   = {}
  @tracks_hash    = {}
  @playlists_hash = {}
  @albums_hash    = {}
  @genres_hash    = {}

  @locations_hash = {}
  @slugs_hash     = {}      

  extract_plist_info
end

Instance Attribute Details

#plist ⇒ Object (readonly)

Returns the value of attribute plist.



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# File 'lib/apple/music/library/library.rb', line 27

def plist
  @plist
end

Instance Method Details

#albums ⇒ Object 



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# File 'lib/apple/music/library/library.rb', line 66

def albums
  @albums_hash.values
end

#artist(artist_name) ⇒ Object 



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# File 'lib/apple/music/library/library.rb', line 62

def artist(artist_name)
  artists.find{|a| a.name == artist_name}
end

#artists ⇒ Object 



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# File 'lib/apple/music/library/library.rb', line 58

def artists
  @artists_hash.values
end

#genre(genre_name) ⇒ Object 



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# File 'lib/apple/music/library/library.rb', line 87

def genre(genre_name)
    genres.find{|g| g.name == genre_name}
end

#genres ⇒ Object 



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# File 'lib/apple/music/library/library.rb', line 83

def genres
  @genres_hash.values.sort_by{|g| g.name}
end

#has_tracks? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/apple/music/library/library.rb', line 95

def has_tracks?
  tracks.any?
end

#playlist(playlist_name) ⇒ Object 



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# File 'lib/apple/music/library/library.rb', line 74

def playlist(playlist_name)
  playlists.find{|p| p.name == playlist_name}
end

#playlists ⇒ Object 



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# File 'lib/apple/music/library/library.rb', line 70

def playlists
  @playlists_hash.values
end

#track(track_id) ⇒ Object 



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# File 'lib/apple/music/library/library.rb', line 99

def track(track_id)
  track = @tracks_hash[track_id.to_i]
  if track.nil?
    message("Cound not find track with ID [#{track_id}]")
    message("Searched tracks: [#{@tracks_hash.keys.sort.join(', ')}]")
  end
  track
end

#tracks ⇒ Object 



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# File 'lib/apple/music/library/library.rb', line 54

def tracks
  @tracks_hash.values
end

#valid? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/apple/music/library/library.rb', line 91

def valid?
  has_tracks?
end