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Курс във Факултета по Математика и Информатика към СУ

Решение на Втора задача от Илиян Бобев

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Към профила на Илиян Бобев

Резултати

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

Код

class Task
attr_accessor :status, :description, :priority, :tags
def initialize status, description, priority, tags=nil
@status = status.downcase.to_sym
@description = description
@priority = priority.downcase.to_sym
@tags = tags.to_s.split(',').map &:strip
end
end
class Criteria
attr_accessor :proc
def initialize proc
@proc = proc
end
def Criteria.status target_status
new -> value { value.status == target_status }
end
def Criteria.priority target_priority
new -> value { value.priority == target_priority }
end
def Criteria.tags target_tags
new -> value { target_tags.size == (value.tags & target_tags).size }
end
def & other
Criteria.new -> value { @proc.call(value) and other.proc.call(value) }
end
def |(other)
Criteria.new -> value { @proc.call(value) or other.proc.call(value) }
end
def !
Criteria.new -> value { not @proc.call(value) }
end
end
class TodoList
attr_accessor :task_list
include Enumerable
def initialize list
@task_list = list
end
def TodoList.parse text
new text.split("\n").map { |row| Task.new(*row.split("|").map(&:strip)) }
end
def each
@task_list.each { |task| yield task}
end
def filter criteria
TodoList.new @task_list.select(&criteria.proc).compact
end
def adjoin other
TodoList.new @task_list | other.task_list
end
def tasks_todo
@task_list.count { |task| task.status == :todo }
end
def tasks_in_progress
@task_list.count { |task| task.status == :current }
end
def tasks_completed
@task_list.count { |task| task.status == :done }
end
def completed?
@task_list.map { |task| task.status == :done }.all?
end
end

Лог от изпълнението

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Finished in 0.03902 seconds
22 examples, 0 failures

История (1 версия и 0 коментара)

Илиян обнови решението на 03.11.2013 23:06 (преди над 10 години)

+class Task
+ attr_accessor :status, :description, :priority, :tags
+ def initialize status, description, priority, tags=nil
+ @status = status.downcase.to_sym
+ @description = description
+ @priority = priority.downcase.to_sym
+ @tags = tags.to_s.split(',').map &:strip
+ end
+end
+class Criteria
+ attr_accessor :proc
+ def initialize proc
+ @proc = proc
+ end
+ def Criteria.status target_status
+ new -> value { value.status == target_status }
+ end
+ def Criteria.priority target_priority
+ new -> value { value.priority == target_priority }
+ end
+ def Criteria.tags target_tags
+ new -> value { target_tags.size == (value.tags & target_tags).size }
+ end
+ def & other
+ Criteria.new -> value { @proc.call(value) and other.proc.call(value) }
+ end
+ def |(other)
+ Criteria.new -> value { @proc.call(value) or other.proc.call(value) }
+ end
+ def !
+ Criteria.new -> value { not @proc.call(value) }
+ end
+end
+class TodoList
+ attr_accessor :task_list
+ include Enumerable
+ def initialize list
+ @task_list = list
+ end
+ def TodoList.parse text
+ new text.split("\n").map { |row| Task.new(*row.split("|").map(&:strip)) }
+ end
+ def each
+ @task_list.each { |task| yield task}
+ end
+ def filter criteria
+ TodoList.new @task_list.select(&criteria.proc).compact
+ end
+ def adjoin other
+ TodoList.new @task_list | other.task_list
+ end
+ def tasks_todo
+ @task_list.count { |task| task.status == :todo }
+ end
+ def tasks_in_progress
+ @task_list.count { |task| task.status == :current }
+ end
+ def tasks_completed
+ @task_list.count { |task| task.status == :done }
+ end
+ def completed?
+ @task_list.map { |task| task.status == :done }.all?
+ end
+end