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Решение на Втора задача от Петър Мазълов

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Резултати

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

Код

class TodoList
def self.parse(text)
tasks = text.split("\n").map { |row| row.split(/\s+\|\s*/) }
.map { |task| Task.new(task) }
TodoList.new(tasks)
end
include Enumerable
attr_reader :tasks
def initialize(tasks)
@tasks = tasks
end
def each(&block)
@tasks.each { |task| block.call task }
end
def filter(filter)
tasks = @tasks.select { |task| filter.met_by? task }
TodoList.new(tasks)
end
def adjoin(todo_list)
adjoined_tasks = (tasks + todo_list.tasks).uniq
TodoList.new(adjoined_tasks)
end
def tasks_todo
map { |task| task.status == :todo }.count(true)
end
def tasks_in_progress
map { |task| task.status == :current }.count(true)
end
def tasks_completed
map { |task| task.status == :done }.count(true)
end
def completed?
count == tasks_completed
end
end
class Criteria
attr_reader :matcher
def initialize(&block)
@matcher = block
end
def met_by?(task)
@matcher.call task
end
def &(other)
Criteria.new { |task| self.met_by?(task) and other.met_by?(task) }
end
def |(other)
Criteria.new { |task| self.met_by?(task) or other.met_by?(task) }
end
def !
Criteria.new { |task| not met_by?(task) }
end
def self.status(status)
Criteria.new{ |task| task.status == status }
end
def self.priority(priority)
Criteria.new{ |task| task.priority == priority }
end
def self.tags(tags)
Criteria.new{ |task| (tags & task.tags.to_a).eql?(tags) }
end
end
class Task
attr_reader :status, :description, :priority, :tags
def initialize(task_fields)
@status = task_fields[0].strip.downcase.to_sym
@description = task_fields[1].strip.to_s
@priority = task_fields[2].strip.downcase.to_sym
@tags = task_fields[3].split(", ") if task_fields[3]
end
end

Лог от изпълнението

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Finished in 0.04084 seconds
22 examples, 0 failures

История (1 версия и 0 коментара)

Петър обнови решението на 05.11.2013 23:54 (преди около 11 години)

+class TodoList
+ def self.parse(text)
+ tasks = text.split("\n").map { |row| row.split(/\s+\|\s*/) }
+ .map { |task| Task.new(task) }
+ TodoList.new(tasks)
+ end
+
+ include Enumerable
+ attr_reader :tasks
+
+ def initialize(tasks)
+ @tasks = tasks
+ end
+
+ def each(&block)
+ @tasks.each { |task| block.call task }
+ end
+
+ def filter(filter)
+ tasks = @tasks.select { |task| filter.met_by? task }
+ TodoList.new(tasks)
+ end
+
+ def adjoin(todo_list)
+ adjoined_tasks = (tasks + todo_list.tasks).uniq
+ TodoList.new(adjoined_tasks)
+ end
+
+ def tasks_todo
+ map { |task| task.status == :todo }.count(true)
+ end
+
+ def tasks_in_progress
+ map { |task| task.status == :current }.count(true)
+ end
+
+ def tasks_completed
+ map { |task| task.status == :done }.count(true)
+ end
+
+ def completed?
+ count == tasks_completed
+ end
+end
+
+class Criteria
+
+ attr_reader :matcher
+ def initialize(&block)
+ @matcher = block
+ end
+
+ def met_by?(task)
+ @matcher.call task
+ end
+
+ def &(other)
+ Criteria.new { |task| self.met_by?(task) and other.met_by?(task) }
+ end
+
+ def |(other)
+ Criteria.new { |task| self.met_by?(task) or other.met_by?(task) }
+ end
+
+ def !
+ Criteria.new { |task| not met_by?(task) }
+ end
+
+ def self.status(status)
+ Criteria.new{ |task| task.status == status }
+ end
+
+ def self.priority(priority)
+ Criteria.new{ |task| task.priority == priority }
+ end
+
+ def self.tags(tags)
+ Criteria.new{ |task| (tags & task.tags.to_a).eql?(tags) }
+ end
+end
+
+class Task
+ attr_reader :status, :description, :priority, :tags
+
+ def initialize(task_fields)
+ @status = task_fields[0].strip.downcase.to_sym
+ @description = task_fields[1].strip.to_s
+ @priority = task_fields[2].strip.downcase.to_sym
+ @tags = task_fields[3].split(", ") if task_fields[3]
+ end
+end