private static void RemoveCustomer(CRMDatabase database)
{
Console.Clear();
DisplayAllCustomers(database);
Console.Write("\nEnter ID for customer to remove: ");
int.TryParse(Console.ReadLine(), out var customerID);
if (database.IsValidCustomerID(customerID))
{
var customer = database.GetCustomer(customerID);
database.DeleteCustomer(customerID);
WriteLineColor($"Removed customer {customer}", ConsoleColor.Red);
}
else if (customerID == 0)
{
return;
}
else
{
WriteLineColor("There is no customer with that ID", ConsoleColor.Red);
}
PressAnyKeyToContinue();
}
private static void EditCustomer(CRMDatabase database)
{
Console.Clear();
DisplayAllCustomers(database);
var customerID = GetCustomerToEditFromUser();
if (database.IsValidCustomerID(customerID))
{
EditCustomerFromID(database, customerID);
}
else if (customerID == 0)
{
return;
}
else
{
WriteLineColor("There is no customer with that ID", ConsoleColor.Red);
}
PressAnyKeyToContinue();
}
private static void DisplayAllCustomers(CRMDatabase database)
{
foreach (var customer in database.GetCustomerList())
{
Console.WriteLine(customer);
}
}
private static void ShowAllCustomers(CRMDatabase database)
{
Console.Clear();
DisplayAllCustomers(database);
PressAnyKeyToContinue();
}
private static void AddPhoneNumbers(CRMDatabase database, int customerID)
{
var listOfPhoneNumbers = GetPhoneNumbersFromUser();
if (listOfPhoneNumbers == null)
{
return;
}
database.AddPhoneNumbers(customerID, listOfPhoneNumbers);
}
private static void AddCustomer(CRMDatabase database)
{
Console.Clear();
var firstName = GetFirstNameFromUser();
var lastName = GetLastNameFromUser();
var email = GetEmailFromUser();
var customerID = database.AddCustomer(firstName, lastName, email);
AddPhoneNumbers(database, customerID);
WriteLineColor($"\nAdded customer {firstName} {lastName} with ID: {customerID}", ConsoleColor.Green);
PressAnyKeyToContinue();
}
private static void EditCustomerFromID(CRMDatabase database, int customerID)
{
Console.Clear();
var customer = database.GetCustomer(customerID);
Console.WriteLine($"\nEdit customer: {customer}\n");
var firstName = GetFirstNameFromUser();
var lastName = GetLastNameFromUser();
var email = GetEmailFromUser();
database.EditCustomer(customerID, firstName, lastName, email);
AddPhoneNumbers(database, customerID);
}
public static void Run()
{
var database = new CRMDatabase();
var loop = true;
while (loop)
{
Console.Clear();
Console.WriteLine("[1] Add customer\n" +
"[2] Edit customer\n" +
"[3] Remove customer\n" +
"[4] Show all customers\n" +
"[5] Exit\n");
Console.Write("Option: ");
int.TryParse(Console.ReadLine(), out var choice);
switch (choice)
{
case 1:
AddCustomer(database);
break;
case 2:
EditCustomer(database);
break;
case 3:
RemoveCustomer(database);
break;
case 4:
ShowAllCustomers(database);
break;
case 5:
loop = false;
break;
default:
break;
}
}
}
private static void AddPhoneNumbers(CRMDatabase database)
{
DisplayAllCustomers(database);
Console.Write("Enter ID for customer to add phone numbers to: ");
int.TryParse(Console.ReadLine(), out var customerID);
if (database.IsValidCustomerID(customerID))
{
AddPhoneNumbers(database, customerID);
}
else if (customerID == 0)
{
return;
}
else
{
WriteLineColor("There is no customer with that ID", ConsoleColor.Red);
}
PressAnyKeyToContinue();
}