Class: ItunesTrack

Inherits:
Object
  • Object
show all
Defined in:
lib/itunes_track.rb,
lib/itunes_track/cli.rb,
lib/itunes_track/version.rb

Defined Under Namespace

Classes: CLI, Track

Constant Summary collapse

ATTRS = 
%i(name time artist album genre rating played_count year composer track_count track_number disc_count disc_number lyrics)
VERSION = 
"0.0.1"

Class Method Summary collapse

Class Method Details

.build(*attrs, &blk) ⇒ Object 



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# File 'lib/itunes_track.rb', line 18

def build(*attrs, &blk)
  tracks.clear
  @attrs = attrs.empty? ? ATTRS : attrs
  track_attrs = []
  itunes_tracks(&blk).each do |track|
    track_attrs << begin
      @attrs.inject({}) do |h, attr|
        val = track.send(attr).get rescue ''
        if val.is_a?(String) && val.encoding.to_s!='UTF-8'
          val = val.force_encoding('UTF-8')
        end
        h[attr.intern] = val
        h
      end
    end
  end
  tracks.push *track_attrs.map { |attrs| Track.new attrs }
end

.full_build(&blk) ⇒ Object 



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# File 'lib/itunes_track.rb', line 37

def full_build(&blk)
  build(*track_properties, &blk)
end

.itunes ⇒ Object 



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# File 'lib/itunes_track.rb', line 45

def itunes
  @itunes ||= app('iTunes').tracks
end

.itunes_tracks(&blk) ⇒ Object 



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# File 'lib/itunes_track.rb', line 49

def itunes_tracks(&blk)
  block_given? ? itunes.get.select(&blk) : itunes.get
end

.size(&blk) ⇒ Object 



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# File 'lib/itunes_track.rb', line 53

def size(&blk)
  itunes_tracks(&blk).size
end

.to_csv(path, attrs = @attrs) ⇒ Object 



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# File 'lib/itunes_track.rb', line 61

def to_csv(path, attrs=@attrs)
  raise 'Should be built first' if tracks.empty?
  CSV.open(path, 'wb') do |csv|
    csv << attrs
    tracks.each { |t| csv << attrs.map{ |attr| t.send attr } }
  end
rescue => e
  puts "Something go wrong during csv building: #{e}"
end

.track_properties ⇒ Object 



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# File 'lib/itunes_track.rb', line 57

def track_properties
  itunes.properties.map(&:intern)
end

.tracks ⇒ Object 



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# File 'lib/itunes_track.rb', line 41

def tracks
  @tracks ||= []
end