Class: Songbirdsh::Library

Inherits:
Object
  • Object
show all
Includes:
Debug
Defined in:
lib/songbirdsh/library.rb

Instance Attribute Summary collapse

Instance Method Summary collapse

Methods included from Debug

#debug, #pause

Constructor Details

#initialize(preferences) ⇒ Library

Returns a new instance of Library.



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# File 'lib/songbirdsh/library.rb', line 9

def initialize preferences
  home = File.expand_path '~'
  debug "Home Directory is \"#{home}\""
  songbird_home = "#{home}/Library/Application Support/Songbird2"
  debug "Songbird home is \"#{songbird_home}\""
  profiles = "#{songbird_home}/Profiles"
  preferences['profile'] ||= choose_profile profiles
  debug "found profile \"#{preferences['profile']}\""
  @db_path = "#{profiles}/#{preferences['profile']}/db/[email protected]"
  debug "using db \"#{@db_path}\""
end

Instance Attribute Details

#tracks ⇒ Object (readonly)

Returns the value of attribute tracks.



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# File 'lib/songbirdsh/library.rb', line 7

def tracks
  @tracks
end

Instance Method Details

#choose_profile(path) ⇒ Object 



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# File 'lib/songbirdsh/library.rb', line 21

def choose_profile path
  choices = Dir.entries(path).select {|path| !['.','..'].include?(path) }
  raise 'no profiles found' if choices.empty?
  return choices.first if choices.size == 1
  loop do
    choices.each {|choice| puts "* #{choice}"}
    print "please enter your preferred songbird profile > "
    subset = choices.grep(/#{gets.chomp}/)
    return subset.first if subset.size == 1
    puts 'invalid choice - please enter the full name of the profile'
  end
end

#reload ⇒ Object 



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# File 'lib/songbirdsh/library.rb', line 54

def reload
  s = Time.now.to_i
  @tracks = []
  with_db do |db|
    current_media_item_id, current_track = nil, nil
    db[:resource_properties].order(:media_item_id).each do |row|
      unless row[:media_item_id] == current_media_item_id
        append current_track
        current_track = Songbirdsh::Track.new row[:media_item_id]
        debug "Created new track with id #{current_track.id}"
        current_media_item_id = current_track.id
      end
      append_to_track current_track, row
    end
    append current_track
  end
  puts "Reloaded db with #{@tracks.size} tracks in #{Time.now.to_i-s} seconds"
end

#with_db ⇒ Object 



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# File 'lib/songbirdsh/library.rb', line 34

def with_db
  db = Sequel.sqlite @db_path
  begin
    val = yield db
  ensure
    db.disconnect
  end
  val
end

#with_track(id) {|track| ... } ⇒ Object

Yields:

  • (track) 


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# File 'lib/songbirdsh/library.rb', line 44

def with_track id
  track = Songbirdsh::Track.new id
  with_db do |db|
    db[:resource_properties].filter(:media_item_id=>id).each do |row|
      append_to_track track, row
    end
  end
  yield track
end