public int addBlock(string APIKey, string username, string blockedProfileUsername)
        {
            if (APIKey == this.APIKey)
            {
                User tempUser      = new User();
                int  userID        = tempUser.getUserID(username);
                int  blockedUserID = tempUser.getUserID(blockedProfileUsername);

                BlockedList tempBlock = new BlockedList();
                return(tempBlock.addBlockToDB(userID, blockedUserID));
            }
            else
            {
                return(0);
            }
        }