private static Menu NewMainMenu(Menu searchMenu, IContactsStorage storage)
{
var mainMenu = new Menu("Menu:");
mainMenu.AddItem(new MenuItem("View all contacts", () => {
IO.PrintContactList("All contacts", storage.GetAllContacts());
}));
mainMenu.AddItem(new MenuItem("Search", searchMenu.Invoke));
mainMenu.AddItem(new MenuItem("New contact", () => {
var newContact = IO.ReadContact();
storage.AddContact(newContact, out string message);
Console.WriteLine(message);
}));
mainMenu.AddItem(new MenuItem("Load contacts from VCard", () => {
IO.LoadContactsFromVCard(IO.ReadString("Filename: "), storage);
}));
mainMenu.AddItem(new MenuItem("Save contacts to VCard", () => {
string filename = IO.ReadString("Filename: ");
if (File.Exists(filename))
{
Console.WriteLine($"File \"{filename}\" already exists. Rewrite?");
if (!IO.ReadBoolean(yesByDefault: false))
{
return;
}
}
IO.SaveContactsToVCard(filename, storage);
}));
return(mainMenu);
}
public static void SaveContactsToVCard(string filename, IContactsStorage storage)
{
try {
File.WriteAllText(filename, Contact.ToVCardMany(storage.GetAllContacts()));
Console.WriteLine("Done.");
}
catch (Exception e) when(
e is ArgumentException ||
e is PathTooLongException ||
e is DirectoryNotFoundException ||
e is IOException ||
e is UnauthorizedAccessException ||
e is NotSupportedException
)
{
Console.WriteLine($"Error! {e.Message}");
}
catch (AggregateException notFlattenedAe) {
AggregateException ae = notFlattenedAe.Flatten();
Console.WriteLine($"Couldn't fetch contacts: {ae.InnerExceptions[ae.InnerExceptions.Count - 1].Message}");
}
}