def handle_update_frame(self, frame):
"""
Persist the frame, publish the update out to connected
frames (the frame and all mirroring) and admins
"""
frame = Frames.update_by_id(frame['_id'], frame)
# if the mirroring frame was mirroring a different frame,
# update the previous frame's mirror count
previous_mirroring_id = None
if 'mirroring' in frame and frame['mirroring'] is not None:
previous_mirroring_id = frame['mirroring']
# set the current content for updating frame
doc = {
'current_content': frame['current_content']
}
# kick off the recursive content updates down the mirror graph
self.update_mirroring_frames(frame, doc, root=True)
# if the frame was mirroring a different frame,
# update the previous frame's mirroring count
if previous_mirroring_id:
Frames.update_mirroring_count(previous_mirroring_id)
self.pubsub.publish(
'frame:frame_updated', frame_id=previous_mirroring_id)
def handle_mirror_frame(self, frame_id, mirrored_frame_id):
"""
Set a frame to mirror another frame.
Returns the from which is mirroring the other.
"""
# if the mirroring frame was mirroring a different frame,
# update the previous frame's mirror count
previous_mirroring_id = None
frame = Frames.get_by_id(frame_id)
if 'mirroring' in frame and frame['mirroring'] is not None:
previous_mirroring_id = frame['mirroring']
mirrored_frame = Frames.get_by_id(mirrored_frame_id)
content = mirrored_frame['current_content']
doc = {
'mirroring': mirrored_frame_id,
'mirror_meta': {
'name': mirrored_frame['name'],
'owner': mirrored_frame['owner']
},
'current_content': content
}
# update this frame to mirror mirrored_frame_id
frame = Frames.update_by_id(frame_id, doc)
# if set, update the previously mirrored frame
if previous_mirroring_id:
Frames.update_mirroring_count(previous_mirroring_id)
self.pubsub.publish(
'frame:frame_updated', frame_id=previous_mirroring_id)
# update the mirroring_count on the newly mirrored frame
Frames.update_mirroring_count(mirrored_frame_id)
self.pubsub.publish(
'frame:frame_updated', frame_id=mirrored_frame_id)
# kick off the recursive content updates down the mirror graph
self.update_mirroring_frames(frame, doc)
