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Решение на Втора задача от Емануела Моллова

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Към профила на Емануела Моллова

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)
@status, @description, @priority = status, description, priority
@tags = tags
end
class << self
def create_from_fields(fields)
status = fields[0].downcase.to_sym
priority = fields[2].downcase.to_sym
tags = fields[3] ? fields[3].split(',').each(&:strip!) : []
Task.new(status, fields[1], priority, tags)
end
def create_from_line(line)
fields = line.split('|').each(&:strip!)
create_from_fields(fields)
end
end
end
class TodoList
include Enumerable
attr_accessor :tasks
def initialize(tasks)
@tasks = tasks
end
def self.parse(text)
tasks = text.lines.map { |line| Task.create_from_line(line) }
TodoList.new(tasks)
end
def completed?
tasks.all? { |task| task.status.equal? :done }
end
def tasks_todo
tasks.select { |task| task.status.equal? :todo }.size
end
def tasks_in_progress
tasks.select { |task| task.status.equal? :current }.size
end
def tasks_completed
tasks.select { |task| task.status.equal? :done }.size
end
def filter(criteria)
TodoList.new(tasks.select(&criteria.block))
end
def adjoin(todo_list)
TodoList.new(tasks + todo_list.tasks)
end
def each
@tasks.each { |task| yield(task) }
end
end
class Criteria
attr_accessor :block
def initialize(&block)
@block = block
end
def Criteria.status(status)
Criteria.new { |task| task.status.equal? status }
end
def Criteria.priority(priority)
Criteria.new { |task| task.priority.equal? priority }
end
def Criteria.tags(tags)
Criteria.new { |task| (tags & task.tags).size.equal? tags.size }
end
def &(other)
Criteria.new { |task| (self.block).call(task) and (other.block).call(task) }
end
def |(other)
Criteria.new { |task| (self.block).call(task) or (other.block).call(task) }
end
def !
Criteria.new { |task| !(self.block).call(task) }
end
end

Лог от изпълнението

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Finished in 0.03807 seconds
22 examples, 0 failures

История (1 версия и 0 коментара)

Емануела обнови решението на 05.11.2013 00:06 (преди около 11 години)

+class Task
+ attr_accessor :status, :description, :priority, :tags
+
+ def initialize(status, description, priority, tags)
+ @status, @description, @priority = status, description, priority
+ @tags = tags
+ end
+
+ class << self
+ def create_from_fields(fields)
+ status = fields[0].downcase.to_sym
+ priority = fields[2].downcase.to_sym
+ tags = fields[3] ? fields[3].split(',').each(&:strip!) : []
+ Task.new(status, fields[1], priority, tags)
+ end
+
+ def create_from_line(line)
+ fields = line.split('|').each(&:strip!)
+ create_from_fields(fields)
+ end
+ end
+end
+
+class TodoList
+ include Enumerable
+
+ attr_accessor :tasks
+
+ def initialize(tasks)
+ @tasks = tasks
+ end
+
+ def self.parse(text)
+ tasks = text.lines.map { |line| Task.create_from_line(line) }
+ TodoList.new(tasks)
+ end
+
+ def completed?
+ tasks.all? { |task| task.status.equal? :done }
+ end
+
+ def tasks_todo
+ tasks.select { |task| task.status.equal? :todo }.size
+ end
+
+ def tasks_in_progress
+ tasks.select { |task| task.status.equal? :current }.size
+ end
+
+ def tasks_completed
+ tasks.select { |task| task.status.equal? :done }.size
+ end
+
+ def filter(criteria)
+ TodoList.new(tasks.select(&criteria.block))
+ end
+
+ def adjoin(todo_list)
+ TodoList.new(tasks + todo_list.tasks)
+ end
+
+ def each
+ @tasks.each { |task| yield(task) }
+ end
+end
+
+class Criteria
+ attr_accessor :block
+
+ def initialize(&block)
+ @block = block
+ end
+
+ def Criteria.status(status)
+ Criteria.new { |task| task.status.equal? status }
+ end
+
+ def Criteria.priority(priority)
+ Criteria.new { |task| task.priority.equal? priority }
+ end
+
+ def Criteria.tags(tags)
+ Criteria.new { |task| (tags & task.tags).size.equal? tags.size }
+ end
+
+ def &(other)
+ Criteria.new { |task| (self.block).call(task) and (other.block).call(task) }
+ end
+
+ def |(other)
+ Criteria.new { |task| (self.block).call(task) or (other.block).call(task) }
+ end
+
+ def !
+ Criteria.new { |task| !(self.block).call(task) }
+ end
+end