private async Task ValidateEmailAsync(string email, List <ErrorDetails> errors)
{
if (errors is null)
{
throw new ArgumentNullException(nameof(errors));
}
if (string.IsNullOrWhiteSpace(email))
{
errors.Add(ApplicationUserErrors.EmailRequired());
return;
}
if (email.Length > MaximumEmailLength)
{
errors.Add(ApplicationUserErrors.EmailTooLong());
}
else if (!_emailAddressAttribute.IsValid(email))
{
errors.Add(ApplicationUserErrors.EmailInvalidFormat());
}
else
{
var user = await _usersRepository.GetByEmailAsync(email);
if (user is object &&
string.Equals(user.Email, email, StringComparison.OrdinalIgnoreCase))
{
errors.Add(ApplicationUserErrors.EmailAlreadyExists());
}
}
}
private static void ValidatePhoneNumber(string phoneNumber, List <ErrorDetails> errors)
{
if (errors is null)
{
throw new ArgumentNullException(nameof(errors));
}
if (string.IsNullOrWhiteSpace(phoneNumber))
{
errors.Add(ApplicationUserErrors.PhoneNumberRequired());
return;
}
if (phoneNumber.Length > MaximumPhoneNumberLength)
{
errors.Add(ApplicationUserErrors.PhoneNumberTooLong());
}
}
private static void ValidateLastName(string lastName, List <ErrorDetails> errors)
{
if (errors is null)
{
throw new ArgumentNullException(nameof(errors));
}
if (string.IsNullOrWhiteSpace(lastName))
{
errors.Add(ApplicationUserErrors.LastNameRequired());
return;
}
if (lastName.Length > MaximumLastNameLength)
{
errors.Add(ApplicationUserErrors.LastNameTooLong());
}
}
