def getICal(self):
args, filters = self._getCriteriaArgs()
brains = self._getBrains(args, filters)
results = []
for brain in brains:
obj = brain.getObject()
if IEMEvent.providedBy(obj) or ISession.providedBy(obj):
results.append(self.emGetICal(obj))
elif hasattr(aq_base(obj), "getICal"):
results.append(obj.getICal())
return "".join(results)
def available(self):
return IEMEvent.providedBy(self.context)
