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) ⇒ Index

Returns a new instance of Index.



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

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

  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"] = []

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

      @hash["artists"][artist]["albums"][album]["songs"].sort!
    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 58

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 46

def albums
  albums_hash = {}

  artists.each do |a|
    @hash["artists"][a]["albums"].keys.each do |ak|
      albums_hash[ak] = @hash["artists"][a]["albums"][ak]
    end
  end

  albums_hash
end

#albums_by(artist) ⇒ Object 



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# File 'lib/muzak/index.rb', line 62

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

  begin
    @hash["artists"][artist]["albums"]
  rescue Exception => e
    {}
  end
end

#artists ⇒ Object 



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# File 'lib/muzak/index.rb', line 42

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

#songs_by(artist) ⇒ Object 



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# File 'lib/muzak/index.rb', line 72

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

  begin
    albums_by(artist).map do |_, album|
      album["songs"].map { |s| File.basename(s) }.sort
    end.flatten
  rescue Exception => e
    []
  end
end