public static void CommandParser()
{
Console.WriteLine("\nChoose command: Add, Update, Delete, All");
Console.Write("> ");
string command = Console.ReadLine().ToLower();
switch (command)
{
case "add":
Console.WriteLine("Enter Name:");
string name = Console.ReadLine();
Console.WriteLine("Enter LastName:");
string lastName = Console.ReadLine();
Console.WriteLine("Enter Phone:");
string phone = Console.ReadLine();
Console.WriteLine("Enter Address:");
string address = Console.ReadLine();
if (ContactList.PhoneNumberExists(phone))
{
Console.WriteLine("This {0} phone number already exists", phone);
break;
}
Contact newContact = new Contact
{
Name = name,
LastName = lastName,
PhoneNumber = phone,
Address = address
};
var contactErrors = newContact.ValidateContact();
if (contactErrors.Count > 0)
{
foreach (var error in contactErrors)
{
Console.WriteLine(error);
}
break;
}
ContactList.AddContact(newContact);
SaveData();
Console.WriteLine("Item added");
break;
case "update":
Console.WriteLine("Enter contact No. to update");
string contactNo = Console.ReadLine();
int _contactNo;
bool success = Int32.TryParse(contactNo, out _contactNo);
if (!success)
{
Console.WriteLine("Contact No. invalid");
break;
}
if (_contactNo > ContactList.GetContactsCount() ||
_contactNo < 1)
{
Console.WriteLine("There is no contact with this No.");
break;
}
_contactNo--;
var contact = ContactList.GetContact(_contactNo);
Console.WriteLine("Enter new contact Name. Current is: {0}", contact.Name);
name = Console.ReadLine();
Console.WriteLine("Enter new contact LastName. Current is: {0}", contact.LastName);
lastName = Console.ReadLine();
Console.WriteLine("Enter new contact Phone. Current is: {0}", contact.PhoneNumber);
phone = Console.ReadLine();
Console.WriteLine("Enter new contact Address. Current is: {0}", contact.Address);
address = Console.ReadLine();
if (ContactList.PhoneNumberExists(phone))
{
Console.WriteLine("This {0} phone number already exists", phone);
break;
}
newContact = new Contact
{
Name = name,
LastName = lastName,
PhoneNumber = phone,
Address = address
};
contactErrors = newContact.ValidateContact();
if (contactErrors.Count > 0)
{
foreach (var error in contactErrors)
{
Console.WriteLine(error);
}
break;
}
ContactList.UpdateContact(_contactNo, newContact);
SaveData();
Console.WriteLine("Item updated");
break;
case "delete":
Console.WriteLine("Enter contact No. to delete");
contactNo = Console.ReadLine();
//_contactNo;
success = Int32.TryParse(contactNo, out _contactNo);
if (!success)
{
Console.WriteLine("Contact No. invalid");
break;
}
if (_contactNo > ContactList.GetContactsCount() ||
_contactNo < 1)
{
Console.WriteLine("There is no contact with this No.");
break;
}
_contactNo--;
Console.WriteLine("Are you sure want to delete this contact?(Y/N)");
Console.WriteLine(ContactList.GetContact(_contactNo).ToString());
string agreement = Console.ReadLine().ToLower();
if (agreement == "y")
{
ContactList.DeleteContact(_contactNo);
SaveData();
Console.WriteLine("Item was deleted");
}
else
{
Console.WriteLine("Item was not deleted");
}
break;
case "all":
foreach (var line in ContactList.GetAllContactsTable())
{
Console.WriteLine(line);
}
break;
default:
Console.WriteLine("No such command as " + command);
break;
}
}