//Adds a new supplier to the DB-Grace
public bool AddNewSupplier(int supplierID, string name, string phoneNum, string email, string street, string city, string county, string additionalInfo)
{
SupplierList = DataLayer.getAllSuppliers();
ISupplier supplier;
DataLayer.AddNewSupplierToDB(supplierID, name, phoneNum, email, street, city, county, additionalInfo);
supplier = SupplierFactory.GetSupplier(supplierID, name, phoneNum, email, street, city, county, additionalInfo); // Using a Factory to create the user entity object. ie seperating object creation from business logic
SupplierList.Add(supplier);
// Add a reference to the newly created object to the Models UserList
//Gets the DataLayer to add the new user to the DB.
return(true);
}