static void AddContact()
{
Console.WriteLine("Name? ");
string name_str = Console.ReadLine().Trim();
if (Contacts.ContainsKey(name_str))
{
Console.WriteLine("Contact name \"{0}\" already in list\n", name_str);
return;
}
// Using a long integer (64bit) otherwise can be invalid
Console.WriteLine("Phone? ");
string phone_str = Console.ReadLine().Trim();
if (!Int64.TryParse(phone_str, out long phone_num))
{
Console.WriteLine("Invalid phone number");
return;
}
Console.WriteLine("Email? ");
string email_str = Console.ReadLine().Trim();
Console.WriteLine("Occupation? ");
string occu_str = Console.ReadLine().Trim();
Contact con = new Contact(name_str, phone_num, email_str, occu_str);
Contacts.Add(name_str, con);
Console.WriteLine(con.ToString());
}
private void writeToFile(Contact contact)
{
using (StreamWriter sw = new StreamWriter("Contacts.txt", true))
{
sw.WriteLine(contact.ToString());
}
}
static Contact FindContact()
{
if (Contacts.Count != 0)
{
Console.WriteLine("Name of contact? ");
string input_str = Console.ReadLine().Trim();
if (Contacts.ContainsKey(input_str))
{
Contact contact_found = Contacts[input_str];
Console.WriteLine(contact_found.ToString());
return(contact_found);
}
else
{
Console.WriteLine("Contact not found\n");
return(null);
}
}
Console.WriteLine("Contact list is empty\n");
return(null);
}
static void EditContact()
{
if (Contacts.Count != 0)
{
Contact contact_edit = FindContact();
if (contact_edit == null)
{
return;
}
else
{
while (true)
{
Console.WriteLine("Edit what? ");
string line = Console.ReadLine().Trim().ToLower();
switch (line)
{
case "name":
{
// Backup the old name
string old_name = contact_edit.Name;
// Read new name
Console.WriteLine("New name? ");
string new_name = Console.ReadLine().Trim();
// Update the dictionary entry
contact_edit.Name = new_name;
Contacts[new_name] = contact_edit;
Contacts.Remove(old_name);
break;
}
case "phone":
{
Console.WriteLine("New phone? ");
string phone_str = Console.ReadLine().Trim();
if (!Int64.TryParse(phone_str, out long phone_num))
{
Console.WriteLine("Invalid phone number");
return;
}
contact_edit.Phone = phone_num;
break;
}
case "email":
{
Console.WriteLine("New email? ");
string email_str = Console.ReadLine().Trim();
contact_edit.Email = email_str;
break;
}
case "occupation":
{
Console.WriteLine("New occupation? ");
string occ_str = Console.ReadLine().Trim();
contact_edit.Occupation = occ_str;
break;
}
default:
Console.WriteLine("Invalid input\n");
break;
}
Console.WriteLine("\n" + contact_edit.ToString());
return; // Otherwise it will keep looping
}
}
}
else
{
Console.WriteLine("Contact list is empty\n");
return;
}
}