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Курс във Факултета по Математика и Информатика към СУ

Решение на Втора задача от Георги Ангелов

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Резултати

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

Код

module TodoList
class Task < Struct.new(:status, :description, :priority, :tags)
def self.new_from_raw_data(status, description, priority, tags)
Task.new(status.strip.downcase.to_sym,
description.strip,
priority.strip.downcase.to_sym,
tags.split(',').map(&:strip))
end
def to_s
"#{status} | #{description} | #{priority} | #{tags}"
end
end
class List
include Enumerable
def initialize(tasks = [])
@tasks = tasks
end
def each(&block)
@tasks.each &block
end
def filter(criteria)
List.new(select { |task| criteria.valid_for?(task) })
end
def adjoin(other)
List.new(tasks + other.tasks)
end
def tasks_todo
count { |task| task.status == :todo }
end
def tasks_in_progress
count { |task| task.status == :current }
end
def tasks_completed
count { |task| task.status == :done }
end
def completed?
tasks_completed == tasks.size
end
protected
attr_reader :tasks
end
module Criteria
module LogicalOperators
def &(other)
Conjunction.new(self, other)
end
def |(other)
Disjunction.new(self, other)
end
def !
Negation.new(self)
end
end
class ByStatus
include LogicalOperators
def initialize(status)
@status = status
end
def valid_for?(task)
task.status == @status
end
end
class ByPriority
include LogicalOperators
def initialize(priority)
@priority = priority
end
def valid_for?(task)
task.priority == @priority
end
end
class ByTags
include LogicalOperators
def initialize(tags)
@tags = tags
end
def valid_for?(task)
(@tags - task.tags).empty?
end
end
class Conjunction
include LogicalOperators
def initialize(criteria1, criteria2)
@criteria1 = criteria1
@criteria2 = criteria2
end
def valid_for?(task)
@criteria1.valid_for?(task) and @criteria2.valid_for?(task)
end
end
class Disjunction
include LogicalOperators
def initialize(criteria1, criteria2)
@criteria1 = criteria1
@criteria2 = criteria2
end
def valid_for?(task)
@criteria1.valid_for?(task) or @criteria2.valid_for?(task)
end
end
class Negation
include LogicalOperators
def initialize(criteria)
@criteria = criteria
end
def valid_for?(task)
not @criteria.valid_for?(task)
end
end
end
end
# Public interface
module TodoList
TASK_FORMAT = /
^
(.+?) \| # Status
(.+?) \| # Message
(.+?) \| # Priority
(.*?) # Comma-separated list of tags
$
/x
def self.parse(text)
tasks = text.scan(TASK_FORMAT).map do |raw_task_data|
Task.new_from_raw_data(*raw_task_data)
end
List.new(tasks)
end
end
module Criteria
class << self
def status(status)
TodoList::Criteria::ByStatus.new(status)
end
def priority(priority)
TodoList::Criteria::ByPriority.new(priority)
end
def tags(tags)
TodoList::Criteria::ByTags.new(tags)
end
end
end

Лог от изпълнението

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Finished in 0.0387 seconds
22 examples, 0 failures

История (5 версии и 0 коментара)

Георги обнови решението на 01.11.2013 19:03 (преди над 10 години)

+module TodoList
+
+ TASK_FORMAT = /
+ ^
+ (.+?) \| # Status
+ (.+?) \| # Message
+ (.+?) \| # Priority
+ (.*?) # Comma-separated list of tags
+ $
+ /x
+
+ class Task < Struct.new(:status, :description, :priority, :tags)
+ def self.new_from_raw_data(status, description, priority, tags)
+ Task.new(status.strip.downcase.to_sym,
+ description.strip,
+ priority.strip.downcase.to_sym,
+ tags.split(',').map(&:strip))
+ end
+
+ def to_s
+ "%s | %s | %s | %s" % [status, description, priority, tags]
+ end
+ end
+
+ class List
+ include Enumerable
+
+ def initialize(tasks = [])
+ @tasks = tasks
+ end
+
+ def each(&block)
+ @tasks.each &block
+ end
+
+ def filter(criteria)
+ List.new(select { |task| criteria.valid_for?(task) })
+ end
+
+ def adjoin(other)
+ List.new(tasks + other.tasks)
+ end
+
+ def tasks_todo
+ count { |task| task.status == :todo }
+ end
+
+ def tasks_in_progress
+ count { |task| task.status == :current }
+ end
+
+ def tasks_completed
+ count { |task| task.status == :done }
+ end
+
+ def completed?
+ tasks_completed == tasks.size
+ end
+
+ protected
+ attr_reader :tasks
+ end
+
+ module Criteria
+ module LogicalOperators
+ def &(other)
+ Conjunction.new(self, other)
+ end
+
+ def |(other)
+ Disjunction.new(self, other)
+ end
+
+ def !
+ Negation.new(self)
+ end
+ end
+
+ class ByStatus
+ include LogicalOperators
+
+ def initialize(status)
+ @status = status
+ end
+
+ def valid_for?(task)
+ task.status == @status
+ end
+ end
+
+ class ByPriority
+ include LogicalOperators
+
+ def initialize(priority)
+ @priority = priority
+ end
+
+ def valid_for?(task)
+ task.priority == @priority
+ end
+ end
+
+ class ByTags
+ include LogicalOperators
+
+ def initialize(tags)
+ @tags = tags
+ end
+
+ def valid_for?(task)
+ (@tags - task.tags).empty?
+ end
+ end
+
+ class Conjunction
+ include LogicalOperators
+
+ def initialize(criteria1, criteria2)
+ @criteria1 = criteria1
+ @criteria2 = criteria2
+ end
+
+ def valid_for?(task)
+ @criteria1.valid_for?(task) and @criteria2.valid_for?(task)
+ end
+ end
+
+ class Disjunction
+ include LogicalOperators
+
+ def initialize(criteria1, criteria2)
+ @criteria1 = criteria1
+ @criteria2 = criteria2
+ end
+
+ def valid_for?(task)
+ @criteria1.valid_for?(task) or @criteria2.valid_for?(task)
+ end
+ end
+
+ class Negation
+ include LogicalOperators
+
+ def initialize(criteria)
+ @criteria = criteria
+ end
+
+ def valid_for?(task)
+ not @criteria.valid_for?(task)
+ end
+ end
+ end
+
+end
+
+# Public interface
+
+module TodoList
+
+ def self.parse(text)
+ todos = text.scan(TASK_FORMAT).map do |raw_task_data|
+ Task.new_from_raw_data(*raw_task_data)
+ end
+
+ List.new(todos)
+ end
+
+end
+
+module Criteria
+
+ def self.status(status)
+ TodoList::Criteria::ByStatus.new(status)
+ end
+
+ def self.priority(priority)
+ TodoList::Criteria::ByPriority.new(priority)
+ end
+
+ def self.tags(tags)
+ TodoList::Criteria::ByTags.new(tags)
+ end
+
+end

Георги обнови решението на 01.11.2013 19:34 (преди над 10 години)

module TodoList
- TASK_FORMAT = /
- ^
- (.+?) \| # Status
- (.+?) \| # Message
- (.+?) \| # Priority
- (.*?) # Comma-separated list of tags
- $
- /x
-
class Task < Struct.new(:status, :description, :priority, :tags)
def self.new_from_raw_data(status, description, priority, tags)
Task.new(status.strip.downcase.to_sym,
description.strip,
priority.strip.downcase.to_sym,
tags.split(',').map(&:strip))
end
def to_s
"%s | %s | %s | %s" % [status, description, priority, tags]
end
end
class List
include Enumerable
def initialize(tasks = [])
@tasks = tasks
end
def each(&block)
@tasks.each &block
end
def filter(criteria)
List.new(select { |task| criteria.valid_for?(task) })
end
def adjoin(other)
List.new(tasks + other.tasks)
end
def tasks_todo
count { |task| task.status == :todo }
end
def tasks_in_progress
count { |task| task.status == :current }
end
def tasks_completed
count { |task| task.status == :done }
end
def completed?
tasks_completed == tasks.size
end
protected
attr_reader :tasks
end
module Criteria
module LogicalOperators
def &(other)
Conjunction.new(self, other)
end
def |(other)
Disjunction.new(self, other)
end
def !
Negation.new(self)
end
end
class ByStatus
include LogicalOperators
def initialize(status)
@status = status
end
def valid_for?(task)
task.status == @status
end
end
class ByPriority
include LogicalOperators
def initialize(priority)
@priority = priority
end
def valid_for?(task)
task.priority == @priority
end
end
class ByTags
include LogicalOperators
def initialize(tags)
@tags = tags
end
def valid_for?(task)
(@tags - task.tags).empty?
end
end
class Conjunction
include LogicalOperators
def initialize(criteria1, criteria2)
@criteria1 = criteria1
@criteria2 = criteria2
end
def valid_for?(task)
@criteria1.valid_for?(task) and @criteria2.valid_for?(task)
end
end
class Disjunction
include LogicalOperators
def initialize(criteria1, criteria2)
@criteria1 = criteria1
@criteria2 = criteria2
end
def valid_for?(task)
@criteria1.valid_for?(task) or @criteria2.valid_for?(task)
end
end
class Negation
include LogicalOperators
def initialize(criteria)
@criteria = criteria
end
def valid_for?(task)
not @criteria.valid_for?(task)
end
end
end
end
# Public interface
module TodoList
+
+ TASK_FORMAT = /
+ ^
+ (.+?) \| # Status
+ (.+?) \| # Message
+ (.+?) \| # Priority
+ (.*?) # Comma-separated list of tags
+ $
+ /x
def self.parse(text)
todos = text.scan(TASK_FORMAT).map do |raw_task_data|
Task.new_from_raw_data(*raw_task_data)
end
List.new(todos)
end
end
module Criteria
def self.status(status)
TodoList::Criteria::ByStatus.new(status)
end
def self.priority(priority)
TodoList::Criteria::ByPriority.new(priority)
end
def self.tags(tags)
TodoList::Criteria::ByTags.new(tags)
end
end

Георги обнови решението на 01.11.2013 20:42 (преди над 10 години)

module TodoList
class Task < Struct.new(:status, :description, :priority, :tags)
def self.new_from_raw_data(status, description, priority, tags)
Task.new(status.strip.downcase.to_sym,
description.strip,
priority.strip.downcase.to_sym,
tags.split(',').map(&:strip))
end
def to_s
"%s | %s | %s | %s" % [status, description, priority, tags]
end
end
class List
include Enumerable
def initialize(tasks = [])
@tasks = tasks
end
def each(&block)
@tasks.each &block
end
def filter(criteria)
List.new(select { |task| criteria.valid_for?(task) })
end
def adjoin(other)
List.new(tasks + other.tasks)
end
def tasks_todo
count { |task| task.status == :todo }
end
def tasks_in_progress
count { |task| task.status == :current }
end
def tasks_completed
count { |task| task.status == :done }
end
def completed?
tasks_completed == tasks.size
end
protected
attr_reader :tasks
end
module Criteria
module LogicalOperators
def &(other)
Conjunction.new(self, other)
end
def |(other)
Disjunction.new(self, other)
end
def !
Negation.new(self)
end
end
class ByStatus
include LogicalOperators
def initialize(status)
@status = status
end
def valid_for?(task)
task.status == @status
end
end
class ByPriority
include LogicalOperators
def initialize(priority)
@priority = priority
end
def valid_for?(task)
task.priority == @priority
end
end
class ByTags
include LogicalOperators
def initialize(tags)
@tags = tags
end
def valid_for?(task)
(@tags - task.tags).empty?
end
end
class Conjunction
include LogicalOperators
def initialize(criteria1, criteria2)
@criteria1 = criteria1
@criteria2 = criteria2
end
def valid_for?(task)
@criteria1.valid_for?(task) and @criteria2.valid_for?(task)
end
end
class Disjunction
include LogicalOperators
def initialize(criteria1, criteria2)
@criteria1 = criteria1
@criteria2 = criteria2
end
def valid_for?(task)
@criteria1.valid_for?(task) or @criteria2.valid_for?(task)
end
end
class Negation
include LogicalOperators
def initialize(criteria)
@criteria = criteria
end
def valid_for?(task)
not @criteria.valid_for?(task)
end
end
end
end
# Public interface
module TodoList
TASK_FORMAT = /
^
(.+?) \| # Status
(.+?) \| # Message
(.+?) \| # Priority
(.*?) # Comma-separated list of tags
$
/x
def self.parse(text)
- todos = text.scan(TASK_FORMAT).map do |raw_task_data|
+ tasks = text.scan(TASK_FORMAT).map do |raw_task_data|
Task.new_from_raw_data(*raw_task_data)
end
- List.new(todos)
+ List.new(tasks)
end
end
module Criteria
def self.status(status)
TodoList::Criteria::ByStatus.new(status)
end
def self.priority(priority)
TodoList::Criteria::ByPriority.new(priority)
end
def self.tags(tags)
TodoList::Criteria::ByTags.new(tags)
end
end

Георги обнови решението на 01.11.2013 21:05 (преди над 10 години)

module TodoList
class Task < Struct.new(:status, :description, :priority, :tags)
def self.new_from_raw_data(status, description, priority, tags)
Task.new(status.strip.downcase.to_sym,
description.strip,
priority.strip.downcase.to_sym,
tags.split(',').map(&:strip))
end
def to_s
- "%s | %s | %s | %s" % [status, description, priority, tags]
+ "#{status} | #{description} | #{priority} | #{tags}"
end
end
class List
include Enumerable
def initialize(tasks = [])
@tasks = tasks
end
def each(&block)
@tasks.each &block
end
def filter(criteria)
List.new(select { |task| criteria.valid_for?(task) })
end
def adjoin(other)
List.new(tasks + other.tasks)
end
def tasks_todo
count { |task| task.status == :todo }
end
def tasks_in_progress
count { |task| task.status == :current }
end
def tasks_completed
count { |task| task.status == :done }
end
def completed?
tasks_completed == tasks.size
end
protected
attr_reader :tasks
end
module Criteria
module LogicalOperators
def &(other)
Conjunction.new(self, other)
end
def |(other)
Disjunction.new(self, other)
end
def !
Negation.new(self)
end
end
class ByStatus
include LogicalOperators
def initialize(status)
@status = status
end
def valid_for?(task)
task.status == @status
end
end
class ByPriority
include LogicalOperators
def initialize(priority)
@priority = priority
end
def valid_for?(task)
task.priority == @priority
end
end
class ByTags
include LogicalOperators
def initialize(tags)
@tags = tags
end
def valid_for?(task)
(@tags - task.tags).empty?
end
end
class Conjunction
include LogicalOperators
def initialize(criteria1, criteria2)
@criteria1 = criteria1
@criteria2 = criteria2
end
def valid_for?(task)
@criteria1.valid_for?(task) and @criteria2.valid_for?(task)
end
end
class Disjunction
include LogicalOperators
def initialize(criteria1, criteria2)
@criteria1 = criteria1
@criteria2 = criteria2
end
def valid_for?(task)
@criteria1.valid_for?(task) or @criteria2.valid_for?(task)
end
end
class Negation
include LogicalOperators
def initialize(criteria)
@criteria = criteria
end
def valid_for?(task)
not @criteria.valid_for?(task)
end
end
end
end
# Public interface
module TodoList
TASK_FORMAT = /
^
(.+?) \| # Status
(.+?) \| # Message
(.+?) \| # Priority
(.*?) # Comma-separated list of tags
$
/x
def self.parse(text)
tasks = text.scan(TASK_FORMAT).map do |raw_task_data|
Task.new_from_raw_data(*raw_task_data)
end
List.new(tasks)
end
end
module Criteria
def self.status(status)
TodoList::Criteria::ByStatus.new(status)
end
def self.priority(priority)
TodoList::Criteria::ByPriority.new(priority)
end
def self.tags(tags)
TodoList::Criteria::ByTags.new(tags)
end
end

Георги обнови решението на 04.11.2013 21:45 (преди над 10 години)

module TodoList
class Task < Struct.new(:status, :description, :priority, :tags)
def self.new_from_raw_data(status, description, priority, tags)
Task.new(status.strip.downcase.to_sym,
description.strip,
priority.strip.downcase.to_sym,
tags.split(',').map(&:strip))
end
def to_s
"#{status} | #{description} | #{priority} | #{tags}"
end
end
class List
include Enumerable
def initialize(tasks = [])
@tasks = tasks
end
def each(&block)
@tasks.each &block
end
def filter(criteria)
List.new(select { |task| criteria.valid_for?(task) })
end
def adjoin(other)
List.new(tasks + other.tasks)
end
def tasks_todo
count { |task| task.status == :todo }
end
def tasks_in_progress
count { |task| task.status == :current }
end
def tasks_completed
count { |task| task.status == :done }
end
def completed?
tasks_completed == tasks.size
end
protected
attr_reader :tasks
end
module Criteria
module LogicalOperators
def &(other)
Conjunction.new(self, other)
end
def |(other)
Disjunction.new(self, other)
end
def !
Negation.new(self)
end
end
class ByStatus
include LogicalOperators
def initialize(status)
@status = status
end
def valid_for?(task)
task.status == @status
end
end
class ByPriority
include LogicalOperators
def initialize(priority)
@priority = priority
end
def valid_for?(task)
task.priority == @priority
end
end
class ByTags
include LogicalOperators
def initialize(tags)
@tags = tags
end
def valid_for?(task)
(@tags - task.tags).empty?
end
end
class Conjunction
include LogicalOperators
def initialize(criteria1, criteria2)
@criteria1 = criteria1
@criteria2 = criteria2
end
def valid_for?(task)
@criteria1.valid_for?(task) and @criteria2.valid_for?(task)
end
end
class Disjunction
include LogicalOperators
def initialize(criteria1, criteria2)
@criteria1 = criteria1
@criteria2 = criteria2
end
def valid_for?(task)
@criteria1.valid_for?(task) or @criteria2.valid_for?(task)
end
end
class Negation
include LogicalOperators
def initialize(criteria)
@criteria = criteria
end
def valid_for?(task)
not @criteria.valid_for?(task)
end
end
end
end
# Public interface
module TodoList
TASK_FORMAT = /
^
(.+?) \| # Status
(.+?) \| # Message
(.+?) \| # Priority
(.*?) # Comma-separated list of tags
$
/x
def self.parse(text)
tasks = text.scan(TASK_FORMAT).map do |raw_task_data|
Task.new_from_raw_data(*raw_task_data)
end
List.new(tasks)
end
end
module Criteria
- def self.status(status)
- TodoList::Criteria::ByStatus.new(status)
- end
+ class << self
+ def status(status)
+ TodoList::Criteria::ByStatus.new(status)
+ end
- def self.priority(priority)
- TodoList::Criteria::ByPriority.new(priority)
- end
+ def priority(priority)
+ TodoList::Criteria::ByPriority.new(priority)
+ end
- def self.tags(tags)
- TodoList::Criteria::ByTags.new(tags)
+ def tags(tags)
+ TodoList::Criteria::ByTags.new(tags)
+ end
end
end