/// <summary>
/// Displays query results so user can view them
/// </summary>
/// <param name="results">Results.</param>
public static void DisplayQueryResults(List <Contact> results)
{
Console.Clear();
Display.Pause("***** SEARCH RESULTS *****");
if (results.Count == 0)
{
Display.Pause("No contacts found.");
}
else
{
Display.Pause("Found "
+ results.Count.ToString(Display.INT_DISPLAY_FORMAT)
+ " contacts during our search...");
Display.DisplayAllContacts(results, 1, 0, true);
}
}
public static void Main(string[] args)
{
//Start out by loading up contacts into memory...
Console.Write("Loading contacts. Please wait...");
if (File.Exists("MyContacts.dat"))
{
// load existing contact data file...
contacts = Contact.LoadContacts("MyContacts.dat");
Display.Pause("There are "
+ contacts.Count.ToString(Display.INT_DISPLAY_FORMAT)
+ " contacts in your list.");
}
else
{
//No .dat file exists yet.
//Build it from csv
contacts = BuildInitialContacList("us-50000.csv");
Display.Pause("Built contact list from csv."
+ "\nBe sure to SAVE YOUR NEW LIST before ending the program!");
Display.Pause("There are "
+ contacts.Count.ToString(Display.INT_DISPLAY_FORMAT)
+ " contacts in your list.");
}
string selection = "";
// Display menu and keep program "alive"
// until user presses Q for quit.
while (selection != "q")
{
try
{
selection = Display.DisplayMainMenu
(contacts.Count).Trim().ToLower();
switch (selection)
{
case "1": // save current contact list.
Contact.SaveContacts(contacts, "MyContacts.dat");
Display.Pause("Successfully saved "
+ contacts.Count.ToString(Display.INT_DISPLAY_FORMAT)
+ " contacts.");
break;
case "2": // modify contact list
SwitchToUserContactMenu();
break;
case "3": // view contacts
Display.DisplayAllContacts(contacts);
break;
case "4": // view specific contact
{
string id = Display.GetUserInput("Enter contact ID: ");
int val = 0;
if (!Validation.IsNumeric(id, ref val))
{
Display.Pause("Invalid ID; must be numeric.");
}
else
{
Contact contact = ContactQuery.FindByID(contacts, val);
if (contact == null)
{
Display.Pause("Contact with that ID not found.");
}
else
{
Console.Clear();
Display.DisplayContact(contact);
Display.Pause();
}
}
}
break;
case "5": // query contacts
SwitchToUserQueryMenu();
break;
case "6": // sort contacts
SwitchToSortMenu();
break;
}
}
catch (Exception e)
{
Display.Pause("Error: " + e.Message);
}
}
// save contact list before exiting...
if (contacts.Count > 0)
{
Contact.SaveContacts(contacts, "MyContacts.dat");
Display.Pause("Successfully saved "
+ contacts.Count.ToString(Display.INT_DISPLAY_FORMAT)
+ " contacts.\nPress any key to exit program.");
}
}
