app.rb

require_relative "dependencies.rb"
require 'active_support/core_ext'

$started = false;
$collection = []
$artists = []
$albums = []

def getTrackInfoNumeric(line)
    inicio = line.index("<integer>") + 9
    fim = line.index("</i")
    line[inicio..fim].to_i
end

def getTrackInfo(line)
    inicio = line.index("<string>") + 8
    fim = line.index("</s") - 1
    line[inicio..fim]
end

def getLocation(arr)
    arr[0..arr.length-2].join("/") << "/"
end

def getFilename(arr)
    arr[arr.length-1]
end

def getCountry(arr)
    arr[arr.length-1].strip!
end

def getGrouping(arr)
    arr.each do |t|
        t.strip!
    end
    arr[0..arr.length-2].sort.join(", ")
end

def getTime(time)
    seconds = time / 1000
    Time.at(seconds).strftime("%M:%S")
end

def getTags(line)
    bkp = line.split(", ")
    retorno = Hash.new
    retorno[:acoustic] = false
    retorno[:another] = false
    retorno[:live] = false
    retorno[:cover] = false
    retorno[:medley] = false
    bkp.each do |t|
        retorno[:acoustic] = true if t == 'Acoustic'
        retorno[:another] = true if t == 'Another'
        retorno[:live] = true if t == 'Live'
        retorno[:cover] = true if t == 'Cover'
        retorno[:medley] = true if t == 'Medley'
    end
    retorno
end

File.open("Biblioteca.xml","r:UTF-8").each_line do |line|
    if line.include? "<key>Tracks</key>"
        $started = true;
    elsif not $started
    elsif line.include? "</dicta>"
        break
    elsif line.include? "<dict>"
        $current = Song.new
    elsif line.include? "<key>Year</key>"
        $current.year = getTrackInfoNumeric(line)
    elsif line.include? "<key>Name</key>"
        $current.title = getTrackInfo(line)
    elsif line.include? "<key>Artist</key>"
        $current.artist = getTrackInfo(line)
    elsif line.include? "<key>Album Artist</key>"
        $current.album_artist = getTrackInfo(line)
    elsif line.include? "<key>Album</key>"
        $current.album = getTrackInfo(line)
    elsif line.include? "<key>Total Time</key>"
        $current.time = getTime(getTrackInfoNumeric(line))
    elsif line.include? "<key>Track Number</key>"
        $current.track_number = getTrackInfoNumeric(line)
    elsif line.include? "<key>Track Count</key>"
        $current.track_count = getTrackInfoNumeric(line)
    elsif line.include? "<key>Location</key>"
        array = URI::decode(getTrackInfo(line)).split("/")
        $current.location = getLocation(array)
        $current.filename = getFilename(array)
    elsif line.include? "<key>Compilation</key>"
        $current.tags[:compilation] = true
    elsif line.include? "<key>Grouping</key>"
        array = getTrackInfo(line).split(",")
        $current.country = getCountry(array)
        $current.grouping = getGrouping(array)
        $current.tags = $current.tags.merge(getTags($current.grouping))
    elsif line.include? "<key>Genre</key>"
        $current.genre = getTrackInfo(line)
    elsif line.include? "<key>Size</key>"
        $current.size = getTrackInfoNumeric(line)
    elsif line.include? "<key>Bit Rate</key>"
        $current.bit_rate = getTrackInfoNumeric(line)
    elsif line.include? "<key>Sample Rate</key>"
        $current.sample_rate = getTrackInfoNumeric(line)
    elsif line.include? "<key>Comments</key>"
        $current.comments = getTrackInfo(line)
    elsif line.include? "<key>Composer</key>"
        $current.composer = getTrackInfo(line)
    elsif line.include? "</dict>"
        $collection << $current
        #break
    end
end

#$artists << Artist.new(true)
$collection.each do |song|
    if song.artist == 'Helloween'
        artist = Artist.new(song)
            $artists << artist unless $artists.include? artist
    end
end

$collection.each do |song|
    if song.artist == 'Helloween'
        album = Album.new(song)
        puts album
        $albums << album unless $albums.include? album
    end
end

$collection.each do |song|
    if song.artist == 'Helloween'
        album = Album.new(song)
        track = Track.new(song)
        index = $albums.find_index(album)
        puts album.to_s
            puts track.to_s
                puts index.to_s
        $albums.at(index).trackList << track
    end
end

#File.open("artists.txt","w:UTF-8") do |f|
#   $artists.each do |a|
#       f.puts(a.to_json)
#   end
#end

File.open("albums.txt","w:UTF-8") do |f|
    f.puts($albums.to_json)
#   $albums.each do |a|
#       f.puts(a.to_json)
#   end
end