class_ctrl.py 文件源码

def getClassCodesFromUser(dynamoDBInstance, email=None):
  classCodes = set()
  if email is None: # pragma: no cover
    email = g.authenticatedUser['email']
  usersTable = dbUtils.getTable('users', dynamoDBInstance)
  if usersTable is None:
    MentiiLogging.getLogger().error('Unable to get users table in getClassCodesFromUser')
  else:
    #An active class list is the list of class codes that
    # a user has in the user table.
    request = {"Key" : {"email": email}, "ProjectionExpression": "classCodes"}
    res = dbUtils.getItem(request, usersTable)
    #Get the class codes for the user.
    if res is None or 'Item' not in res or 'classCodes' not in res['Item']:
      MentiiLogging.getLogger().error('Unable to get user data in getClassCodesFromUser')
    else:
      classCodes = res['Item']['classCodes']
  return classCodes