public Dictionary <int, string> AddCustomer(string name, string surname, string personalCode, string email)
{
Dictionary <int, string> response = new Dictionary <int, string>();
List <Customer> customers;
using (var context = new OrderManagerDbContext())
{
customers = context.Customers.Select(x => x).ToList();
}
bool contains = false;
foreach (var customer in customers) //check if collection of customers contains object
{ //with user typed personal code
if (customer.PersonalCode.Equals(personalCode))
{
contains = true;
}
}
if (contains)
{
Console.WriteLine("Error. Customer with this personal code already exists");
response.Add(0, "Customer with this personal code already exists");
return(response);
}
else //if not, create new customer and add to collection
{
try
{
var address = new MailAddress(email);
var customer = new Customer(name, surname, personalCode, email);
context.Customers.Add(customer);
context.SaveChanges();
response.Add(1, "Customer successfully added");
return(response);
}
catch (FormatException)
{
Console.WriteLine("Email address is invalid. Try again");
response.Add(0, "Email address is invalid");
return(response);
}
catch (DbUpdateException)
{
Console.WriteLine("Email address is invalid. Try again");
response.Add(0, "Error occurred when saving data in database");
return(response);
}
catch (Exception)
{
response.Add(0, "Error occurred. Try again later");
return(response);
}
}
}
public static ApplicationManager Instance()
{
if (applicationManager == null)
{
applicationManager = new ApplicationManager();
context = new OrderManagerDbContext();
}
return(applicationManager);
}