text: # -*- coding: utf-8 -*-
  # Copyright (C) 2014-2016 Andrey Antukh <niwi@niwi.nz>
  # Copyright (C) 2014-2016 Jesús Espino <jespinog@gmail.com>
  # Copyright (C) 2014-2016 David Barragán <bameda@dbarragan.com>
  # Copyright (C) 2014-2016 Alejandro Alonso <alejandro.alonso@kaleidos.net>
  # This program is free software: you can redistribute it and/or modify
  # it under the terms of the GNU Affero General Public License as
  # published by the Free Software Foundation, either version 3 of the
  # License, or (at your option) any later version.
  #
  # This program is distributed in the hope that it will be useful,
  # but WITHOUT ANY WARRANTY; without even the implied warranty of
  # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  # GNU Affero General Public License for more details.
  #
  # You should have received a copy of the GNU Affero General Public License
  # along with this program.  If not, see <http://www.gnu.org/licenses/>.
  
  from django.apps import AppConfig
  from django.apps import apps
  from django.db.models import signals
  
  
  def connect_userstories_signals():
      from taiga.projects.tagging import signals as tagging_handlers
      from . import signals as handlers
  
      # When deleting user stories we must disable task signals while delating and
      # enabling them in the end
      signals.pre_delete.connect(handlers.disable_task_signals,
                                 sender=apps.get_model("userstories", "UserStory"),
                                 dispatch_uid='disable_task_signals')
  
      signals.post_delete.connect(handlers.enable_tasks_signals,
                                  sender=apps.get_model("userstories", "UserStory"),
                                  dispatch_uid='enable_tasks_signals')
  
      # Cached prev object version
      signals.pre_save.connect(handlers.cached_prev_us,
                               sender=apps.get_model("userstories", "UserStory"),
                               dispatch_uid="cached_prev_us")
  
      # Role Points
      signals.post_save.connect(handlers.update_role_points_when_create_or_edit_us,
                                sender=apps.get_model("userstories", "UserStory"),
                                dispatch_uid="update_role_points_when_create_or_edit_us")
  
      # Tasks
      signals.post_save.connect(handlers.update_milestone_of_tasks_when_edit_us,
                                sender=apps.get_model("userstories", "UserStory"),
                                dispatch_uid="update_milestone_of_tasks_when_edit_us")
  
      # Open/Close US and Milestone
      signals.post_save.connect(handlers.try_to_close_or_open_us_and_milestone_when_create_or_edit_us,
                                sender=apps.get_model("userstories", "UserStory"),
                                dispatch_uid="try_to_close_or_open_us_and_milestone_when_create_or_edit_us")
      signals.post_delete.connect(handlers.try_to_close_milestone_when_delete_us,
                                  sender=apps.get_model("userstories", "UserStory"),
                                  dispatch_uid="try_to_close_milestone_when_delete_us")
  
      # Tags
      signals.pre_save.connect(tagging_handlers.tags_normalization,
                               sender=apps.get_model("userstories", "UserStory"),
                               dispatch_uid="tags_normalization_user_story")
  
  
  def connect_userstories_custom_attributes_signals():
      from taiga.projects.custom_attributes import signals as custom_attributes_handlers
      signals.post_save.connect(custom_attributes_handlers.create_custom_attribute_value_when_create_user_story,
                                sender=apps.get_model("userstories", "UserStory"),
                                dispatch_uid="create_custom_attribute_value_when_create_user_story")
  
  
  def connect_all_userstories_signals():
      connect_userstories_signals()
      connect_userstories_custom_attributes_signals()
  
  
  def disconnect_userstories_signals():
      signals.pre_save.disconnect(sender=apps.get_model("userstories", "UserStory"),
                                  dispatch_uid="cached_prev_us")
  
      signals.post_save.disconnect(sender=apps.get_model("userstories", "UserStory"),
                                   dispatch_uid="update_role_points_when_create_or_edit_us")
  
      signals.post_save.disconnect(sender=apps.get_model("userstories", "UserStory"),
                                   dispatch_uid="update_milestone_of_tasks_when_edit_us")
  
      signals.post_save.disconnect(sender=apps.get_model("userstories", "UserStory"),
                                   dispatch_uid="try_to_close_or_open_us_and_milestone_when_create_or_edit_us")
      signals.post_delete.disconnect(sender=apps.get_model("userstories", "UserStory"),
                                     dispatch_uid="try_to_close_milestone_when_delete_us")
  
      signals.pre_save.disconnect(sender=apps.get_model("userstories", "UserStory"),
                                  dispatch_uid="tags_normalization_user_story")
  
  
  def disconnect_userstories_custom_attributes_signals():
      signals.post_save.disconnect(sender=apps.get_model("userstories", "UserStory"),
                                   dispatch_uid="create_custom_attribute_value_when_create_user_story")
  
  
  def disconnect_all_userstories_signals():
      disconnect_userstories_signals()
      disconnect_userstories_custom_attributes_signals()
  
  
  class UserStoriesAppConfig(AppConfig):
      name = "taiga.projects.userstories"
      verbose_name = "User Stories"
  
      def ready(self):
          connect_all_userstories_signals()
  