Програмиране с Ruby

Курс във Факултета по Математика и Информатика към СУ

Решение на Втора задача от Цани Проданов

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Към профила на Цани Проданов

Резултати

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

Код

class TodoListItem
attr_accessor :status, :description, :priority, :tags
def initialize(status, description, priority, tags = "")
@status = status.downcase.to_sym
@description = description
@priority = priority.downcase.to_sym
@tags = tags.split(",").map(&:strip).to_a
end
end
class TodoList
include Enumerable
attr_accessor :listitems
def initialize(listitems)
@listitems = listitems
end
def self.parse text
new text.lines.map{|line| TodoListItem.new *line.split("|").map(&:strip)}
end
def filter filter
TodoList.new @listitems.select { |item| filter.accepts? item }
end
def tasks_todo
#self.filter(Criteria.status :todo).count - new TodoList every time? no 10x
@listitems.select { |item| (Criteria.status :todo).accepts? item }.count
end
def tasks_in_progress
@listitems.select { |item| (Criteria.status :current).accepts? item }.count
end
def tasks_completed
@listitems.select { |item| (Criteria.status :done).accepts? item }.count
end
def each
listitems.each {|item| yield item}
end
def adjoin otherlist
TodoList.new @listitems | otherlist.listitems
end
def completed?
self.tasks_completed == @listitems.count
end
end
class Filter
attr_accessor :callback
def initialize(&callback)
@callback = callback
end
def accepts? item
callback.call item
end
def &(filter)
Filter.new { |item| self.accepts?(item) and filter.accepts?(item) }
end
def |(filter)
Filter.new { |item| self.accepts?(item) or filter.accepts?(item) }
end
def !
Filter.new { |item| not accepts?(item) }
end
end
class Criteria
def self.status status
Filter.new {|item| item.status == status}
end
def self.priority priority
Filter.new {|item| item.priority == priority}
end
def self.tags tags
Filter.new {|item| (tags - item.tags).size == 0}
end
end

Лог от изпълнението

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Finished in 0.03972 seconds
22 examples, 0 failures

История (2 версии и 0 коментара)

Цани обнови решението на 06.11.2013 00:28 (преди около 11 години)

+class TodoListItem
+ attr_accessor :status, :description, :priority, :tags
+ def initialize(status, description, priority, tags = "")
+ @status = status.downcase.to_sym
+ @description = description
+ @priority = priority.downcase.to_sym
+ @tags = tags.split(",").map(&:strip).to_a
+ end
+end
+
+class TodoList
+ include Enumerable
+
+ attr_accessor :listitems
+
+ def initialize(listitems)
+ @listitems = listitems
+ end
+
+ def self.parse text
+ new text.lines.map{|line| TodoListItem.new *line.split("|").map(&:strip)}
+ end
+
+ def filter filter
+ TodoList.new @listitems.select { |item| filter.accepts? item }
+ end
+
+ def tasks_todo
+ #self.filter(Criteria.status :todo).count - new TodoList every time? no 10x
+ @listitems.select { |item| (Criteria.status :todo).accepts? item }.count
+ end
+
+ def tasks_in_progress
+ @listitems.select { |item| (Criteria.status :current).accepts? item }.count
+ end
+
+ def tasks_completed
+ @listitems.select { |item| (Criteria.status :done).accepts? item }.count
+ end
+
+ def each
+ listitems.each {|item| yield item}
+ end
+
+ def adjoin otherlist
+ TodoList.new @listitems | otherlist.listitems
+ end
+
+ def completed?
+ self.tasks_completed == @listitems.count
+ end
+end
+
+class Filter
+ attr_accessor :callback
+
+ def initialize(&callback)
+ @callback = callback
+ end
+
+ def accepts? item
+ callback.call item
+ end
+
+ def &(filter)
+ Filter.new { |item| self.accepts?(item) and filter.accepts?(item) }
+ end
+
+ def |(filter)
+ Filter.new { |item| self.accepts?(item) or filter.accepts?(item) }
+ end
+
+ def !
+ Filter.new { |item| not accepts?(item) }
+ end
+end
+
+class Criteria
+ def self.status status
+ Filter.new {|item| item.status == status}
+ end
+
+ def self.priority priority
+ Filter.new {|item| item.priority == priority}
+ end
+
+ def self.tags tags
+ Filter.new {|item| (tags - item.tags).size == 0}
+ end
+end

Цани обнови решението на 06.11.2013 00:29 (преди около 11 години)

class TodoListItem
attr_accessor :status, :description, :priority, :tags
def initialize(status, description, priority, tags = "")
@status = status.downcase.to_sym
@description = description
@priority = priority.downcase.to_sym
@tags = tags.split(",").map(&:strip).to_a
end
end
class TodoList
include Enumerable
attr_accessor :listitems
def initialize(listitems)
@listitems = listitems
end
def self.parse text
- new text.lines.map{|line| TodoListItem.new *line.split("|").map(&:strip)}
+ new text.lines.map{|line| TodoListItem.new *line.split("|").map(&:strip)}
end
def filter filter
TodoList.new @listitems.select { |item| filter.accepts? item }
end
def tasks_todo
#self.filter(Criteria.status :todo).count - new TodoList every time? no 10x
@listitems.select { |item| (Criteria.status :todo).accepts? item }.count
end
def tasks_in_progress
@listitems.select { |item| (Criteria.status :current).accepts? item }.count
end
def tasks_completed
@listitems.select { |item| (Criteria.status :done).accepts? item }.count
end
def each
listitems.each {|item| yield item}
end
def adjoin otherlist
TodoList.new @listitems | otherlist.listitems
end
def completed?
self.tasks_completed == @listitems.count
end
end
class Filter
attr_accessor :callback
def initialize(&callback)
@callback = callback
end
def accepts? item
callback.call item
end
def &(filter)
Filter.new { |item| self.accepts?(item) and filter.accepts?(item) }
end
def |(filter)
Filter.new { |item| self.accepts?(item) or filter.accepts?(item) }
end
def !
Filter.new { |item| not accepts?(item) }
end
end
class Criteria
def self.status status
Filter.new {|item| item.status == status}
end
def self.priority priority
Filter.new {|item| item.priority == priority}
end
def self.tags tags
Filter.new {|item| (tags - item.tags).size == 0}
end
end