public static void AddClient(string idnumber, string name, string surname, string email, string phonenumber, string housenumber, string streetname, string suburb, string city, string province, string postalcode, string newsletter)
{
bool errors = false;
string newClientNumber = ClientNumberRandomLetter() + EightDigitNumber();
List <Person> personlist = Person.GetPerson();
List <Client> clientList = GetClient();
//validation starts here
try
{
if (String.IsNullOrEmpty(idnumber) || String.IsNullOrEmpty(name) || String.IsNullOrEmpty(surname) || String.IsNullOrEmpty(email) || String.IsNullOrEmpty(phonenumber) || String.IsNullOrEmpty(housenumber.ToString()) || String.IsNullOrEmpty(streetname) || String.IsNullOrEmpty(suburb) || String.IsNullOrEmpty(city) || String.IsNullOrEmpty(province) || String.IsNullOrEmpty(postalcode) || String.IsNullOrEmpty(newsletter))
{
//if fields are empty a message box informs the user and sets errors to true.
errors = true;
throw new EmptyFieldsException();
}
}
catch (EmptyFieldsException e)
{
MessageBox.Show(e.Message);
}
foreach (Client item in clientList)
{
if (item.clientNumber == newClientNumber)
{
newClientNumber = newClientNumber + 1;
}
}
foreach (Person item in personlist)
{
if (item.IDNumber == idnumber)
{
MessageBox.Show("ID already in system");
errors = true;
}
if (item.Email == email)
{
MessageBox.Show("Email Address already in system");
errors = true;
}
if (item.PhoneNumber == phonenumber)
{
MessageBox.Show("Phone number already in system");
errors = true;
}
}
if (phonenumber.All(Char.IsNumber) == false || phonenumber.Length > 10)
{
errors = true;
MessageBox.Show("The phone number may only contain numbers, and be no longer than 10 characters!", "Client Name", MessageBoxButtons.OK, MessageBoxIcon.Information);
}
if (name.All(Char.IsLetter) == false)
{
errors = true;
MessageBox.Show("The client name may only contain letters!", "Client Name", MessageBoxButtons.OK, MessageBoxIcon.Information);
}
if (surname.All(Char.IsLetter) == false)
{
errors = true;
MessageBox.Show("The client surname may only contain letters!", "Client Surname", MessageBoxButtons.OK, MessageBoxIcon.Information);
}
if (streetname.All(Char.IsLetter) == false)
{
errors = true;
MessageBox.Show("The street name may only contain letters!", "Street Name", MessageBoxButtons.OK, MessageBoxIcon.Information);
}
if (suburb.All(Char.IsLetter) == false)
{
errors = true;
MessageBox.Show("The suburb name may only contain letters!", "Suburb Name", MessageBoxButtons.OK, MessageBoxIcon.Information);
}
if (city.All(Char.IsLetter) == false)
{
errors = true;
MessageBox.Show("The city name may only contain letters!", "City Name", MessageBoxButtons.OK, MessageBoxIcon.Information);
}
if (postalcode.All(Char.IsNumber) == false)
{
errors = true;
MessageBox.Show("The postal code may only contain numbers!", "Postal Code", MessageBoxButtons.OK, MessageBoxIcon.Information);
}
if (housenumber.All(Char.IsLetterOrDigit) == false)
{
errors = true;
MessageBox.Show("The housenumber may only contain numbers and letters!", "House Number", MessageBoxButtons.OK, MessageBoxIcon.Information);
}
//if errors are true then a message box notifies the user to enter all necessary information correctly.
if (errors == true)
{
MessageBox.Show("Please enter correct information");
}
//if errors are false then the new client gets added to the database.
else
{
Data.AddClientSP(newClientNumber, idnumber, name, surname, email, phonenumber, housenumber, streetname, suburb, city, province, postalcode, newsletter);
MessageBox.Show("The client has been added.", "Client Added", MessageBoxButtons.OK, MessageBoxIcon.Information);
}
}
