def get_cluster_by_name(self, cluster_name, sector_name):
"""
Looks up a cluster in a given sector. Returns None if none found.
@param cluster_name: The cluster's name.
@param sector_name: The sector's name.
"""
return single_row_or_none(
self.filter(
node_type__name=NodeType.TAG_CLUSTER,
name=cluster_name,
parents__name=sector_name,
))
def get_cluster(self, clusterId):
"""
Returns the give cluster.
"""
return single_row_or_none(
self.filter(id=clusterId, node_type__name=NodeType.TAG_CLUSTER))
def getFromAbbreviation(self, abbr):
"""
Returns the society with the given abbreviation, or None.
"""
return single_row_or_none(self.filter(abbreviation=abbr))
def getFromName(self, name):
"""
Returns the society with the given name, or None.
"""
return single_row_or_none(self.filter(name=name))
def get_user_from_email(email):
return single_row_or_none(User.objects.filter(email=email))
def get_user_from_username(username):
return single_row_or_none(User.objects.filter(username=username))