def add_computer(self, computer):
if isinstance(computer, Computer):
if re.match(MAC_REGULAR_EXPRESSION, computer.mac):
if re.match(IP_REGULAR_EXPRESSION, computer.ip):
if NetMap.can_ip_in_my_network(computer.ip):
computer.active = False
self.__database.add_row(computer)
return "Computer successfully added."
return "The IP address entered cannot exist in this network"
return "Invalid IP format"
return "Invalid MAC format"
