private static IList<string> Validate(Person p)
{
var errors = new List<string>();
errors.AddRange(ValidateEmail(p));
errors.AddRange(ValidateFirstName(p));
errors.AddRange(ValidateLastName(p));
return errors;
}
public static CommandResult<Person> Add(Person p)
{
var result = new CommandResult<Person> { Entity = p };
result.Messages.AddRange(Validate(p));
if (result.Successful)
{
return result;
}
p.ID = People.Count + 1;
People.Add(p);
return result;
}
public static CommandResult<Person> UglyAdd(Person p)
{
var result = new CommandResult<Person> { Entity = p };
// Check Email
if (string.IsNullOrEmpty(p.Email))
{
result.Messages.Add("Email cannot be empty");
return result;
}
if (p.Email.Length > 255)
{
result.Messages.Add("Email cannot be longer than 255 characters");
}
if (!p.Email.Contains("@"))
{
result.Messages.Add("Email address must be valid");
}
if (string.IsNullOrEmpty(p.FirstName))
{
result.Messages.Add("First name cannot be empty");
return result;
}
if (p.FirstName.Length > 50)
{
result.Messages.Add("First name cannot be longer than 50 characters");
}
if (string.IsNullOrEmpty(p.LastName))
{
result.Messages.Add("Last name cannot be empty");
return result;
}
if (p.FirstName.Length > 50)
{
result.Messages.Add("Last name cannot be longer than 50 characters");
}
if (result.Successful)
{
return result;
}
p.ID = People.Count + 1;
People.Add(p);
return result;
}
private static IList<string> ValidateEmail(Person p)
{
var errors = new List<string>();
if (string.IsNullOrEmpty(p.Email))
{
errors.Add("Email cannot be empty");
return errors;
}
if (p.Email.Length > 255)
{
errors.Add("Email cannot be longer than 255 characters");
}
if (!p.Email.Contains("@"))
{
errors.Add("Email address must be valid");
}
return errors;
}
private static IList<string> ValidateLastName(Person p)
{
var errors = new List<string>();
if (string.IsNullOrEmpty(p.LastName))
{
errors.Add("Last name cannot be empty");
return errors;
}
if (p.FirstName.Length > 50)
{
errors.Add("Last name cannot be longer than 50 characters");
}
return errors;
}