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Решение на Втора задача от Венета Денчева

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Резултати

  • 6 точки от тестове
  • 0 бонус точки
  • 6 точки общо
  • 12 успешни тест(а)
  • 0 неуспешни тест(а)

Код

class Song
attr_accessor :name, :artist, :genre, :subgenre, :tags
def initialize(args, artist_tags)
@name, @artist = args[0], args[1]
genre_arr = args[2].split(',')
@genre = genre_arr[0].strip
@subgenre = genre_arr[1] ? genre_arr[1].strip : nil
@tags = args[3] ? args[3].split(',').map { |tag| tag.strip } : []
tags_by_artist(artist_tags)
tags_by_genre()
end
def tags_by_artist(artist_tags)
artist_tags[@artist].each do |tag|
@tags.push(tag)
end if artist_tags.has_key?(@artist)
end
def tags_by_genre()
@tags.push(@genre.downcase) if @genre
@tags.push(@subgenre.downcase) if @subgenre
end
def has_tags?(tags)
Array(tags).each do |tag|
if tag.end_with?('!')
return false if @tags.include? tag[0..-2]
else
return false unless @tags.include? tag
end
end
true
end
def name? (name)
@name == name ? true : false
end
def artist? (artist)
@artist == artist ? true : false
end
def has_filter? (&block)
block.(self)
end
end
class Collection
def initialize(songs_as_string, artist_tags)
@songs_collection = songs_as_string.lines.map do |line|
Song.new(line.split('.').map { |item| item.strip }, artist_tags)
end
end
def find(criteria)
result = @songs_collection.dup
if criteria[:tags]
result = result.select { |song| song.has_tags? criteria[:tags] }
end
if criteria[:name]
result = result.select { |song| song.name? criteria[:name] }
end
if criteria[:artist]
result = result.select { |song| song.artist? criteria[:artist] }
end
if criteria[:filter]
result = result.select { |song| song.has_filter? &criteria[:filter] }
end
result
end
end

Лог от изпълнението

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Finished in 0.54358 seconds
12 examples, 0 failures

История (1 версия и 0 коментара)

Венета обнови решението на 31.10.2011 00:27 (преди над 12 години)

+class Song
+ attr_accessor :name, :artist, :genre, :subgenre, :tags
+ def initialize(args, artist_tags)
+ @name, @artist = args[0], args[1]
+ genre_arr = args[2].split(',')
+ @genre = genre_arr[0].strip
+ @subgenre = genre_arr[1] ? genre_arr[1].strip : nil
+ @tags = args[3] ? args[3].split(',').map { |tag| tag.strip } : []
+ tags_by_artist(artist_tags)
+ tags_by_genre()
+ end
+
+ def tags_by_artist(artist_tags)
+ artist_tags[@artist].each do |tag|
+ @tags.push(tag)
+ end if artist_tags.has_key?(@artist)
+ end
+
+ def tags_by_genre()
+ @tags.push(@genre.downcase) if @genre
+ @tags.push(@subgenre.downcase) if @subgenre
+ end
+
+ def has_tags?(tags)
+ Array(tags).each do |tag|
+ if tag.end_with?('!')
+ return false if @tags.include? tag[0..-2]
+ else
+ return false unless @tags.include? tag
+ end
+ end
+ true
+ end
+
+ def name? (name)
+ @name == name ? true : false
+ end
+
+ def artist? (artist)
+ @artist == artist ? true : false
+ end
+
+ def has_filter? (&block)
+ block.(self)
+ end
+end
+
+class Collection
+ def initialize(songs_as_string, artist_tags)
+ @songs_collection = songs_as_string.lines.map do |line|
+ Song.new(line.split('.').map { |item| item.strip }, artist_tags)
+ end
+ end
+
+ def find(criteria)
+ result = @songs_collection.dup
+ if criteria[:tags]
+ result = result.select { |song| song.has_tags? criteria[:tags] }
+ end
+ if criteria[:name]
+ result = result.select { |song| song.name? criteria[:name] }
+ end
+ if criteria[:artist]
+ result = result.select { |song| song.artist? criteria[:artist] }
+ end
+ if criteria[:filter]
+ result = result.select { |song| song.has_filter? &criteria[:filter] }
+ end
+ result
+ end
+end