class MergeRequestObserver < ActivityObserver observe :merge_request def after_create(merge_request) if merge_request.author_id create_event(merge_request, Event.determine_action(merge_request)) end notification.new_merge_request(merge_request, current_user) merge_request.create_cross_references!(merge_request.project, current_user) execute_hooks(merge_request) end def after_close(merge_request, transition) create_event(merge_request, Event::CLOSED) notification.close_mr(merge_request, current_user) create_note(merge_request) execute_hooks(merge_request) end def after_merge(merge_request, transition) notification.merge_mr(merge_request) # Since MR can be merged via sidekiq # to prevent event duplication do this check return true if merge_request.merge_event Event.create( project: merge_request.target_project, target_id: merge_request.id, target_type: merge_request.class.name, action: Event::MERGED, author_id: merge_request.author_id_of_changes ) execute_hooks(merge_request) end def after_reopen(merge_request, transition) create_event(merge_request, Event::REOPENED) create_note(merge_request) end def after_update(merge_request) notification.reassigned_merge_request(merge_request, current_user) if merge_request.is_being_reassigned? merge_request.notice_added_references(merge_request.project, current_user) end def create_event(record, status) Event.create( project: record.target_project, target_id: record.id, target_type: record.class.name, action: status, author_id: current_user.id ) end private # Create merge request note with service comment like 'Status changed to closed' def create_note(merge_request) Note.create_status_change_note(merge_request, merge_request.target_project, current_user, merge_request.state, nil) end def execute_hooks(merge_request) if merge_request.project merge_request.project.execute_hooks(merge_request.to_hook_data, :merge_request_hooks) end end end