public IActionResult OnPost()
{
if (!ModelState.IsValid)
{
return(Page());
}
if (_pizzaShopDbHandler.FindManager(Customer.PhoneNumber) != null ||
_pizzaShopDbHandler.FindEmployee(Customer.PhoneNumber) != null ||
_pizzaShopDbHandler.FindCustomer(Customer.PhoneNumber) != null)
{
ErrorMessage = "This phone number is registered with another account. Please try a different phone number.";
return(Page());
}
_pizzaShopDbHandler.AddCustomer(Customer);
return(RedirectToPage("/Customer/Login"));
}
