def createClass(self, classId, msg):
logInfo('{0} could not find class with id: {1} in database. Creating new class'.format(self.serviceName, classId), 3)
classUUID = str(uuid4())
clazz = DBClass(id=classUUID, ids=[classId], name='', roles={}, students=[], kcs=[])
clazz.save()
self.classCache[classId] = clazz
newClassAlias = DBClasssAlias(trueId=classUUID, alias=classId)
newClassAlias.save()
return clazz
def retrieveClassFromCacheOrDB(self, classId, msg, useCache=True):
logInfo("Entering retrieveClassFromCacheOrDB with arguments {0}".format(classId), 5)
if classId is None or classId == '':
return None
clazz = self.studentCache.get(classId)
if clazz is not None and useCache:
logInfo('{0} found classroom object with id:{1}'.format(self.serviceName, clazz), 4)
return clazz
else:
logInfo('{0} could not find cached classroom object with id: {1}. Falling back to database.'.format(self.serviceName, classId), 3)
classAliasList = DBClasssAlias.find_by_index("AliasIndex", classId)
if len(classAliasList) > 0:
#there should only be one object returned, should put it a log statement if that isn't correct.
for classAlias in classAliasList:
clazz = classAlias.getStudent()
if clazz is None:
clazz = self.createClass(classId, msg)
#Cache the result so we don't need to worry about looking it up again.
self.classCache[classId] = clazz
return clazz
