public ICollection <string> ValidateUser(RegisterUserFromModel model)
{
var errors = new List <string>();
if (model.Username.Length < 5 || model.Username.Length > 20)
{
errors.Add($"Username '{model.Username}' is not valid. It must be between 5 and 20 characters long.");
}
if (!Regex.IsMatch(model.Email, @"^([\w-\.]+)@((\[[0-9]{1,3}\.[0-9]{1,3}\.[0-9]{1,3}\.)|(([\w-]+\.)+))([a-zA-Z]{2,4}|[0-9]{1,3})(\]?)$"))
{
errors.Add($"Email {model.Email} is not a valid e-mail address.");
}
if (model.Password.Length < 6 || model.Password.Length > 20)
{
errors.Add($"The provided password is not valid. It must be between {6} and {20} characters long.");
}
if (model.Password.Any(x => x == ' '))
{
errors.Add($"The provided password cannot contain whitespaces.");
}
if (model.Password != model.ConfirmPassword)
{
errors.Add($"Password and its confirmation are different.");
}
return(errors);
}
public HttpResponse Register(RegisterUserFromModel model)
{
var modelErrors = this.validator.ValidateUser(model);
if (this.data.Users.Any(u => u.Username == model.Username))
{
modelErrors.Add($"User with '{model.Username}' username already exists.");
}
if (this.data.Users.Any(u => u.Email == model.Email))
{
modelErrors.Add($"User with '{model.Email}' e-mail already exists.");
}
if (modelErrors.Any())
{
return(Error(modelErrors));
}
var user = new User
{
Username = model.Username,
Password = this.passwordHasher.HashPassword(model.Password),
Email = model.Email,
};
data.Users.Add(user);
data.SaveChanges();
return(Redirect("/Users/Login"));
}
