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/***************************************************************************************************
Copyright (C) 2025 The Qt Company Ltd.
SPDX-License-Identifier: LicenseRef-Qt-Commercial OR LGPL-3.0-only OR GPL-2.0-only OR GPL-3.0-only
***************************************************************************************************/
using UserViewLib;
namespace UserViewCli
{
internal class Program
{
public static IUserList Users { get; private set; } = new UserList();
static void Main(string[] args)
{
Console.WriteLine("Fetching random users...");
Users.AddRange(RandomUserService.Fetch(20)
.OrderBy(x => x, UserComparer.ByLastName)
.ToList());
ConsoleExt.ClearScreen(false);
PrintUsers();
var rand = new Random();
bool escPressed = false;
while (!escPressed) {
if (Console.KeyAvailable) {
switch (Console.ReadKey(true).Key) {
case ConsoleKey.Escape:
escPressed = true;
continue;
case ConsoleKey.Enter:
AddUser();
break;
case ConsoleKey.Backspace:
RemoveUser(rand.Next(Users.Count));
break;
}
while (Console.KeyAvailable)
Console.ReadKey(true);
}
Thread.Sleep(100);
var w = rand.Next(100);
if (w < 10)
RemoveUser(rand.Next(Users.Count));
else if (w < 20)
AddUser();
}
ConsoleExt.ClearScreen(false);
}
private static void AddUser()
{
var newUser = RandomUserService.Fetch();
var index = Users.BinarySearch(newUser, UserComparer.ByLastName);
if (index < 0) {
Users.Add(newUser, ~index);
PrintUsers(~index, ConsoleColor.Green);
PrintUsers();
}
}
private static void RemoveUser(int removeIndex)
{
PrintUsers(removeIndex, ConsoleColor.Red);
Users.RemoveAt(removeIndex);
PrintUsers();
}
private static void PrintUsers(int hlIndex = -1, ConsoleColor hlColor = ConsoleColor.Black)
{
ConsoleExt.ClearScreen();
var users = Users
.Select(x => $@"{x.Name.Full} ({x.Age}) ({x.Email})")
.ToList();
for (int i = 0; i < users.Count; i++) {
if (i == hlIndex)
Console.ForegroundColor = hlColor;
ConsoleExt.WriteLine(users[i]);
if (i == hlIndex)
Console.ResetColor();
}
Console.Title = $"Users: {users.Count}";
Thread.Sleep(500);
}
}
}
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