merge_request_observer.rb
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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)
execute_hooks(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)
execute_hooks(merge_request)
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