public static void Add()
{
string firstName, lastName, city, country, phone;
//string ? NullInput = null;
Console.WriteLine("Input New Customer Info:");
Console.WriteLine("First Name:");
firstName = Console.ReadLine();
while (string.IsNullOrEmpty(firstName) || string.IsNullOrWhiteSpace(firstName))
{
Console.WriteLine("Please Enter A valid Input For FirstName(Cannot be empty)");
firstName = Console.ReadLine();
}
Console.WriteLine("Last Name");
lastName = Console.ReadLine();
while (string.IsNullOrEmpty(lastName) || string.IsNullOrWhiteSpace(lastName))
{
Console.WriteLine("Please Enter A valid Input For LastName(Cannot be empty)");
lastName = Console.ReadLine();
}
Console.WriteLine("City");
city = Console.ReadLine();
Console.WriteLine("Country");
country = Console.ReadLine();
Console.WriteLine("Phone");
phone = Console.ReadLine();
CustCRUD.AddCust(firstName, lastName, city, country, phone);
ShowAllCustomers();
}
public static void ShowAllCustomers()
{
foreach (var c in CustCRUD.GetAllCustomers())
{
Console.WriteLine(c.ToString());
}
}
public static void Delete()
{
Console.WriteLine("Enter the last name of the Customer you want to delete");
string LastName = Console.ReadLine();
CustCRUD.DelCust(LastName);
Console.WriteLine($"Customer With Last Name {LastName} removed from records");
ShowAllCustomers();
}
public static void Update()
{
Console.WriteLine("Enter The last name of the customer to update");
string lastName = Console.ReadLine();
CustCRUD.UpdateCust(lastName);
Console.WriteLine($"Customer With Last Name {lastName} updated");
ShowAllCustomers();
}
public static void Find()
{
Console.WriteLine("Enter the last name of the customer you want to find");
string lastName = Console.ReadLine();
foreach (string cust in CustCRUD.FindCust(lastName))
{
Console.WriteLine(cust);
}
}
public static void Filter()
{
Console.WriteLine("Please Enter Type of filter (C)ity, (L)astName, or Starting (CH)arcter of LastName \nOr leave blank to Find by lastName");
string Type = Console.ReadLine();
Console.WriteLine("Enter the filter parameter");
string Filter = Console.ReadLine();
if (string.IsNullOrWhiteSpace(Filter) || string.IsNullOrEmpty(Filter))
{
Find();
}
else
{
foreach (var cust in CustCRUD.FilterCust(Type, Filter))
{
Console.WriteLine(cust);
}
}
}