def _process_accepted(self, accept_key): """ Performs all actions for an accepted Suggestion in a Transaction. Suggestions are processed one at a time (instead of in batch) in a Transaction to prevent possible race conditions. Actions include: - Creating and saving a new Media for the Suggestion - Removing a reference from another Media's preferred_references - Marking the Suggestion as accepted and saving it """ # Async get suggestion_future = Suggestion.get_by_id_async(accept_key) # Resolve async Futures suggestion = suggestion_future.get_result() # Make sure Suggestion hasn't been processed (by another thread) if suggestion.review_state != Suggestion.REVIEW_PENDING: return team_reference = Media.create_reference( suggestion.contents['reference_type'], suggestion.contents['reference_key']) media = MediaCreator.create_media(suggestion, team_reference) # Mark Suggestion as accepted suggestion.review_state = Suggestion.REVIEW_ACCEPTED suggestion.reviewer = self.user_bundle.account.key suggestion.reviewed_at = datetime.datetime.now() # Do all DB writes MediaManipulator.createOrUpdate(media) suggestion.put()
def _process_accepted(self, accept_key, preferred_keys): """ Performs all actions for an accepted Suggestion in a Transaction. Suggestions are processed one at a time (instead of in batch) in a Transaction to prevent possible race conditions. Actions include: - Creating and saving a new Media for the Suggestion - Removing a reference from another Media's preferred_references - Marking the Suggestion as accepted and saving it """ # Async get suggestion_future = Suggestion.get_by_id_async(accept_key) # Setup to_replace_id = self.request.POST.get('replace-preferred-{}'.format(accept_key), None) # Resolve async Futures suggestion = suggestion_future.get_result() # Make sure Suggestion hasn't been processed (by another thread) if suggestion.review_state != Suggestion.REVIEW_PENDING: return # Remove preferred reference from another Media if specified team_reference = Media.create_reference( suggestion.contents['reference_type'], suggestion.contents['reference_key']) if to_replace_id: to_replace = Media.get_by_id(to_replace_id) if team_reference not in to_replace.preferred_references: return # Preferred reference must have been edited earlier. Skip this Suggestion for now. to_replace.preferred_references.remove(team_reference) # Add preferred reference to current Media (images only) if explicitly listed in preferred_keys or if to_replace_id exists media_type_enum = suggestion.contents['media_type_enum'] preferred_references = [] if media_type_enum in MediaType.image_types and ('preferred::{}'.format(suggestion.key.id()) in preferred_keys or to_replace_id): preferred_references = [team_reference] media = MediaCreator.create_media(suggestion, team_reference, preferred_references) # Mark Suggestion as accepted suggestion.review_state = Suggestion.REVIEW_ACCEPTED suggestion.reviewer = self.user_bundle.account.key suggestion.reviewed_at = datetime.datetime.now() # Do all DB writes if to_replace_id: MediaManipulator.createOrUpdate(to_replace, auto_union=False) MediaManipulator.createOrUpdate(media) suggestion.put()
def candidate_media(self): team_reference = Media.create_reference( self.contents['reference_type'], self.contents['reference_key']) return MediaCreator.create_media(self, team_reference)