require 'task_list' require 'task_list/filter' # Contains functionality for objects that can have task lists in their # descriptions. Task list items can be added with Markdown like "* [x] Fix # bugs". # # Used by MergeRequest and Issue module Taskable COMPLETED = 'completed'.freeze INCOMPLETE = 'incomplete'.freeze ITEM_PATTERN = / ^ (?:\s*[-+*]|(?:\d+\.))? # optional list prefix \s* # optional whitespace prefix (\[\s\]|\[[xX]\]) # checkbox (\s.+) # followed by whitespace and some text. /x def self.get_tasks(content) content.to_s.scan(ITEM_PATTERN).map do |checkbox, label| # ITEM_PATTERN strips out the hyphen, but Item requires it. Rabble rabble. TaskList::Item.new("- #{checkbox}", label.strip) end end def self.get_updated_tasks(old_content:, new_content:) old_tasks, new_tasks = get_tasks(old_content), get_tasks(new_content) new_tasks.select.with_index do |new_task, i| old_task = old_tasks[i] next unless old_task new_task.source == old_task.source && new_task.complete? != old_task.complete? end end # Called by `TaskList::Summary` def task_list_items return [] if description.blank? @task_list_items ||= Taskable.get_tasks(description) end def tasks @tasks ||= TaskList.new(self) end # Return true if this object's description has any task list items. def tasks? tasks.summary.items? end # Return a string that describes the current state of this Taskable's task # list items, e.g. "12 of 20 tasks completed" def task_status return '' if description.blank? sum = tasks.summary "#{sum.complete_count} of #{sum.item_count} #{'task'.pluralize(sum.item_count)} completed" end end