def getRate(self):
manager = IRatingsManager(self.context)
rate = manager.getRating(
OVERALL_RATING_DEFINITION_NAME, self.request.principal.id)
if rate is None:
return u'--'
else:
return rate.value
def setRate(self, value):
manager = IRatingsManager(self.context)
if value == u'--':
manager.remove(
OVERALL_RATING_DEFINITION_NAME, self.request.principal.id)
else:
manager.rate(
OVERALL_RATING_DEFINITION_NAME, value, self.request.principal.id)
# Invoke ObjectModifedEvent to reindex the rated object in catalog
event.notify(ObjectModifiedEvent(self.context))
def average(self, defn = overallRatingDefinition):
manager = IRatingsManager(self.context)
total = 0.0
rates = manager.getRatings(OVERALL_RATING_DEFINITION_NAME)
if not rates:
return None
for rate in rates:
total += defn.scoreSystem.getNumericalValue(rate.value)
average = total / len(rates)
return average
def evolve(context):
"""Add tzinfo to timestamp of ratings"""
for ratable in findObjectsProviding(getRootFolder(context), IRatable):
manager = IRatingsManager(ratable)
for d in manager._storage.values():
for rating in d.values():
if rating._timestamp.tzinfo is None:
rating._timestamp = rating._timestamp.replace(tzinfo=UTC)
