public ActionResult CustomerSignUp(CustomerSignUpModel vm)
        {
            // Moving the data to their own containers cause it looks nicer
            var person  = vm.Person;
            var address = vm.Address;

            // Putting in the email address to the person straight away
            person.EmailAddress = vm.EmailAddress;

            // Checks to see if the person/address is saved or not
            bool isPersonSaved  = _sql.IsPersonSaved(person);
            bool isAddressSaved = _sql.IsAddressSaved(address);


            if (isPersonSaved || isAddressSaved)
            {
                if (isPersonSaved)
                {
                    if (!isAddressSaved)
                    {
                        // The person is saved, but no the address, so this adds the new address to the person
                        _sql.AddNewAddressToExistingPerson(person, address);
                    }

                    if (isAddressSaved)
                    {
                        // Checks to see if the current address is in the current person
                        bool isPersonAddressSaved = _sql.IsPersonAddressSaved(person, address);

                        if (!isPersonAddressSaved)
                        {
                            _sql.AddExistingPersonToExistingAddress(person, address);
                        }

                        return(View(vm));
                    }
                }
                else
                {
                    if (isAddressSaved)
                    {
                        // The person is not saved but the address is, this adds the new person to the address
                        _sql.AddNewPersonToExistingAddress(person, address);
                    }
                }
            }
            else
            {
                _sql.AddNewPersonInformation(person, address);
            }


            return(View(vm));
        }