Class: Muzak::Index

Inherits:
Object
  • Object
show all
Includes:
Utils
Defined in:
lib/muzak/index.rb

Instance Attribute Summary collapse

Class Method Summary collapse

Instance Method Summary collapse

Methods included from Utils

#album_art?, #debug, #debug?, #error, #fail_arity, #info, #music?, #output, #pretty, #verbose, #verbose?, #warn, #warn_arity

Constructor Details

#initialize(tree, deep: false) ⇒ Index

Returns a new instance of Index.



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# File 'lib/muzak/index.rb', line 13

def initialize(tree, deep: false)
  @hash = {
    "timestamp" => Time.now.to_i,
    "artists" => {},
    "deep" => deep
  }

  Dir.entries(tree).each do |artist|
    next unless File.directory?(File.join(tree, artist))
    next if artist.start_with?(".")

    @hash["artists"][artist] = {}
    @hash["artists"][artist]["albums"] = {}

    Dir.entries(File.join(tree, artist)).each do |album|
      next if album.start_with?(".")

      @hash["artists"][artist]["albums"][album] = {}
      @hash["artists"][artist]["albums"][album]["songs"] = []
      @hash["artists"][artist]["albums"][album]["deep-songs"] = []

      Dir.glob(File.join(tree, artist, album, "**")) do |file|
        @hash["artists"][artist]["albums"][album]["cover"] = file if album_art?(file)

        if music?(file)
          @hash["artists"][artist]["albums"][album]["songs"] << file
          @hash["artists"][artist]["albums"][album]["deep-songs"] << Song.new(file)
        end
      end

      @hash["artists"][artist]["albums"][album]["songs"].sort!
      @hash["artists"][artist]["albums"][album]["deep-songs"].sort_by!(&:track)
    end
  end
end

Instance Attribute Details

#hash ⇒ Object

Returns the value of attribute hash.



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# File 'lib/muzak/index.rb', line 4

def hash
  @hash
end

Class Method Details

.load_index(file) ⇒ Object 



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# File 'lib/muzak/index.rb', line 6

def self.load_index(file)
  instance = allocate
  instance.hash = YAML::load_file(file)

  instance
end

Instance Method Details

#album_names ⇒ Object 



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# File 'lib/muzak/index.rb', line 69

def album_names
  artists.map { |a| @hash["artists"][a]["albums"].keys }.flatten
end

#albums ⇒ Object 



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# File 'lib/muzak/index.rb', line 57

def albums
  albums_hash = {}

  artists.each do |a|
    @hash["artists"][a]["albums"].each do |title, album_hash|
      albums_hash[title] = Album.new(title, album_hash)
    end
  end

  albums_hash
end

#albums_by(artist) ⇒ Object 



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# File 'lib/muzak/index.rb', line 73

def albums_by(artist)
  error "no such artist: '#{artist}'" unless @hash["artists"].key?(artist)

  @hash["artists"][artist]["albums"].map { |title, album| Album.new(title, album) }
end

#artists ⇒ Object 



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# File 'lib/muzak/index.rb', line 53

def artists
  @hash["artists"].keys
end

#deep? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/muzak/index.rb', line 49

def deep?
  !!@hash["deep"]
end

#jukebox(count = 50) ⇒ Object 



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# File 'lib/muzak/index.rb', line 79

def jukebox(count = 50)
  @all_albums ||= @hash["artists"].map { |_, a| a["albums"] }.flatten

  if deep?
    @all_deep_songs ||= @all_albums.map { |aa| aa.map { |_, a| a["deep-songs"] } }.flatten
    @all_deep_songs.sample(count)
  else
    @all_songs ||= @all_albums.map { |aa| aa.map { |_, a| a["songs"] } }.flatten
    @all_songs.sample(count).map { |s| Song.new(s) }
  end
end

#songs_by(artist) ⇒ Object 



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# File 'lib/muzak/index.rb', line 91

def songs_by(artist)
  error "no such artist: '#{artist}'" unless @hash["artists"].key?(artist)

  begin
    albums_by(artist).map do |album|
      album.songs
    end.flatten
  rescue Exception => e
    []
  end
end