def toggle_watching(self):
"""Add or remove the current authenticated member from the watchers.
Taken from PoiIssue.
If the current value is a tuple, we keep it that way.
"""
memship = getToolByName(self.context, 'portal_membership', None)
if memship is None:
return
if memship.isAnonymousUser():
return
member = memship.getAuthenticatedMember()
member_id = member.getId()
watchers = self.watchers
if isinstance(watchers, tuple):
watchers = list(watchers)
as_tuple = True
else:
as_tuple = False
if member_id in self.watchers:
notify(event.ToggleWatchingEvent(self.context))
notify(event.RemovedFromWatchingEvent(self.context))
watchers.remove(member_id)
else:
notify(event.ToggleWatchingEvent(self.context))
notify(event.AddedToWatchingEvent(self.context))
watchers.append(member_id)
if as_tuple:
self.watchers = tuple(watchers)
else:
self.watchers = watchers
def remove(self, item):
notify(event.ToggleWatchingEvent(self.context))
notify(event.RemovedFromWatchingEvent(self.context))
self.watchers.remove(item)
def append(self, item):
notify(event.ToggleWatchingEvent(self.context))
notify(event.AddedToWatchingEvent(self.context))
self.watchers.append(item)