class Calendar(Persistent, CalendarMixin):
"""A persistent calendar."""
# CalendarMixin is only used for the expand() method
implements(ISchoolToolCalendar, IAttributeAnnotatable)
__name__ = "calendar"
title = property(lambda self: self.__parent__.title)
def __init__(self, owner):
self.events = PersistentDict()
self.__parent__ = owner
def __iter__(self):
return self.events.itervalues()
def __len__(self):
return len(self.events)
def addEvent(self, event):
assert ISchoolToolCalendarEvent.providedBy(event)
if event.unique_id in self.events:
raise ValueError("an event with this unique_id already exists")
if event.__parent__ is None:
for resource in event.resources:
if ISchoolToolCalendar(resource) is self:
raise ValueError("cannot book itself")
event.__parent__ = self
for resource in event.resources:
ISchoolToolCalendar(resource).addEvent(event)
elif self.__parent__ not in event.resources:
raise ValueError("Event already belongs to a calendar")
self.events[event.unique_id] = event
def removeEvent(self, event):
if self.__parent__ in event.resources:
event.unbookResource(self.__parent__)
else:
del self.events[event.unique_id]
parent_calendar = event.__parent__
if self is parent_calendar:
for resource in event.resources:
event.unbookResource(resource)
event.__parent__ = None
def clear(self):
# clear is not actually used anywhere in schooltool.app (except tests),
# so it doesn't have to be efficient.
for e in list(self):
self.removeEvent(e)
def find(self, unique_id):
return self.events[unique_id]
class Calendar(Persistent, CalendarMixin):
"""A persistent calendar."""
# CalendarMixin is only used for the expand() method
implements(ISchoolToolCalendar, IAttributeAnnotatable)
__name__ = 'calendar'
title = property(lambda self: self.__parent__.title)
def __init__(self, owner):
self.events = PersistentDict()
self.__parent__ = owner
def __iter__(self):
return self.events.itervalues()
def __len__(self):
return len(self.events)
def addEvent(self, event):
assert ISchoolToolCalendarEvent.providedBy(event)
if event.unique_id in self.events:
raise ValueError('an event with this unique_id already exists')
if event.__parent__ is None:
for resource in event.resources:
if ISchoolToolCalendar(resource) is self:
raise ValueError('cannot book itself')
event.__parent__ = self
for resource in event.resources:
ISchoolToolCalendar(resource).addEvent(event)
elif self.__parent__ not in event.resources:
raise ValueError("Event already belongs to a calendar")
self.events[event.unique_id] = event
def removeEvent(self, event):
if self.__parent__ in event.resources:
event.unbookResource(self.__parent__)
else:
del self.events[event.unique_id]
parent_calendar = event.__parent__
if self is parent_calendar:
for resource in event.resources:
event.unbookResource(resource)
event.__parent__ = None
def clear(self):
# clear is not actually used anywhere in schooltool.app (except tests),
# so it doesn't have to be efficient.
for e in list(self):
self.removeEvent(e)
def find(self, unique_id):
return self.events[unique_id]
class SubscriptionContainer(Persistent):
interface.implements(ISubscriptionContainer)
component.adapts(ISubscriptionTarget)
def __init__(self):
self.subscriptions = PersistentDict()
self._next_id = 1
def add(self, subscription):
self.subscriptions[self._next_id] = subscription
self._next_id += 1
def remove(self, n):
del self.subscriptions[n]
def list_with_keys(self):
for n, subscription in self.subscriptions.iteritems():
yield n, subscription
def __iter__(self):
for subscription in self.subscriptions.itervalues():
yield subscription
class SubscriptionContainer(Persistent):
""" Holds anonymous and authenticated notifications """
interface.implements(ISubscriptionContainer)
component.adapts(ISubscriptionTarget)
def __init__(self):
self.subscriptions = PersistentDict()
self._next_id = 1
def add(self, subscription):
self.subscriptions[self._next_id] = subscription
self._next_id += 1
def remove(self, n):
del self.subscriptions[n]
def list_with_keys(self):
for n, subscription in self.subscriptions.iteritems():
yield n, subscription
def __iter__(self):
for subscription in self.subscriptions.itervalues():
yield subscription