canvas-lms/app/observers/live_events_observer.rb

64 lines
1.9 KiB
Ruby

#
# Copyright (C) 2015 - present Instructure, Inc.
#
# This file is part of Canvas.
#
# Canvas 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, version 3 of the License.
#
# Canvas 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/>.
class LiveEventsObserver < ActiveRecord::Observer
observe :content_export,
:content_migration,
:course,
:discussion_entry,
:discussion_topic,
:enrollment,
:enrollment_state,
:group,
:group_category,
:group_membership,
:wiki_page,
:assignment,
:assignment_group,
:submission,
:attachment,
:user,
:user_account_association,
:account_notification,
:course_section,
:context_module,
:context_module_progression,
:content_tag
NOP_UPDATE_FIELDS = [ "updated_at", "sis_batch_id" ].freeze
def after_update(obj)
changes = obj.saved_changes
return nil if changes.except(*NOP_UPDATE_FIELDS).empty?
obj.class.connection.after_transaction_commit do
Canvas::LiveEventsCallbacks.after_update(obj, changes)
end
end
def after_create(obj)
obj.class.connection.after_transaction_commit do
Canvas::LiveEventsCallbacks.after_create(obj)
end
end
def after_destroy(obj)
obj.class.connection.after_transaction_commit do
Canvas::LiveEventsCallbacks.after_destroy(obj)
end
end
end