public override void deleteParticipant(UserAccount user, int userId)
{
if (user.Id == admin)
{
UserAccount userToAdd = UserAccount.findUser(userId);
if (userToAdd == null || !removeUser(userToAdd))
{
return;
}
ParticipantsChanged?.Invoke(this, "Delete participant " + userToAdd.Username);
}
}
static void Main(string[] args)
{
Console.WriteLine("Messenger");
Console.WriteLine("Version: 1");
Console.WriteLine("Authors: Grybenko Yegor, Sukhanova Maria, Trembach Anastasia");
Console.WriteLine("Group: IP-93");
Console.WriteLine("Brigade: 3");
Console.WriteLine("");
Console.WriteLine("Modeling start");
Console.WriteLine("");
Console.WriteLine("Виключення, якi можуть виникати при некоректнiй авторизацiї");
new UserAccount("user1", "password");
Console.WriteLine("Некоректний пароль");
try {
UserAccount user1 = UserAccount.login("user1", "passwor");
Console.WriteLine("Succesful login");
} catch (UserAuthException ex) {
Console.WriteLine("Exception: " + ex.Message);
Console.WriteLine("Exception: " + "No user with username - " + ex.Username);
} catch (Exception ex) {
Console.WriteLine(ex.Message);
}
Console.WriteLine("");
Console.WriteLine("Некоректне iм'я користувача, генерацiя власного виключення");
try {
UserAccount user1 = UserAccount.login("user", "password");
Console.WriteLine("Succesful login");
} catch (UserAuthException ex) {
Console.WriteLine("Exception: " + ex.Message);
Console.WriteLine("Exception: " + "No user with username - " + ex.Username);
} catch (Exception ex) {
Console.WriteLine(ex.Message);
}
Console.WriteLine("");
Console.WriteLine("Успiшна авторизацiя");
try {
UserAccount user1 = UserAccount.login("user1", "password");
Console.WriteLine("Succesful login");
} catch (UserAuthException ex) {
Console.WriteLine("Exception: " + ex.Message);
Console.WriteLine("Exception: " + "No user with username - " + ex.Username);
} catch (Exception ex) {
Console.WriteLine(ex.Message);
}
Console.WriteLine("\nВиключення, якi можуть виникати при пошуку неiснуючих користувачiв");
try {
UserAccount user1 = UserAccount.findUser(-10);
Console.WriteLine("User found");
} catch (UserIdOutOfRangeException ex) when(ex.Id < 0)
{
Console.WriteLine("UserIdOutOfRangeException: ID mustn't be less than 0");
} catch (UserIdOutOfRangeException ex) when(ex.Id >= 100)
{
Console.WriteLine("UserIdOutOfRangeException: ID must be less than 100");
} catch (Exception ex) {
Console.WriteLine(ex.Message);
}
try {
UserAccount user2 = UserAccount.findUser(15);
Console.WriteLine("Users found");
} catch (UserFindException ex) {
Console.WriteLine($"UserFindException: {ex.Message}. ID: {ex.Id}");
} catch (Exception ex) {
Console.WriteLine(ex.Message);
}
Console.WriteLine("\nВиключення, якi можуть виникати при спробi видалення неiснуючих користувачiв");
try {
UserAccount.deleteUser(120);
Console.WriteLine("User deleted");
} catch (UserIdOutOfRangeException ex) when(ex.Id < 0)
{
Console.WriteLine("UserIdOutOfRangeException: ID mustn't be less than 0");
} catch (UserIdOutOfRangeException ex) when(ex.Id >= 100)
{
Console.WriteLine("UserIdOutOfRangeException: ID must be less than 100");
} catch (Exception ex) {
Console.WriteLine(ex.Message);
}
try {
UserAccount.deleteUser(25);
Console.WriteLine("User deleted");
} catch (UserFindException ex) {
Console.WriteLine("UserFindException: " + ex.Message + ". ID: " + ex.Id);
} catch (Exception ex) {
Console.WriteLine(ex.Message);
}
Console.WriteLine("\nВиключення, якi можуть виникати при спробi вiдправлення пустого повiдомлення");
UserAccount user = new UserAccount();
GroupChat chat1 = new GroupChat(user.Id, "Chat1");
try {
chat1.sendMessage(user, "");
} catch (ArgumentException ex) {
Console.WriteLine("ArgumentException: " + ex.Message);
} catch (Exception ex) {
Console.WriteLine("Exception: " + ex.Message);
}
try {
chat1.sendMessage(user, null);
} catch (ArgumentNullException ex) {
Console.WriteLine("ArgumentNullException: " + ex.Message);
} catch (Exception ex) {
Console.WriteLine("Exception: " + ex.Message);
}
Console.WriteLine("");
Console.WriteLine("Системнi виключення");
try {
new TextMessage(-1, "message");
} catch (ArgumentOutOfRangeException ex) {
Console.WriteLine("ArgumentOutOfRangeException: " + ex.Message);
}
try {
new TextMessage(0, "");
} catch (ArgumentException ex) {
Console.WriteLine("ArgumentException: " + ex.Message);
}
try {
new TextMessage(0, null);
} catch (ArgumentNullException ex) {
Console.WriteLine("ArgumentNullException: " + ex.Message);
}
try {
int[] array = null;
//array[0] += 3;
} catch (NullReferenceException ex) {
Console.WriteLine("NullReferenceException: " + ex.Message);
}
try {
Chat gc = new GroupChat();
Chat ch = (Channel)gc;
} catch (InvalidCastException ex) {
Console.WriteLine("InvalidCastException: " + ex.Message);
}
Console.WriteLine("\nTesting nested try blocks\n");
decimal[] arr1 = { 100, 25, 10, 35 };
decimal[] arr2 = { 4, 5, 0, 7, 5 };
for (int i = 0; i < 5; i++)
{
try {
decimal a = arr1[i];
decimal b = arr2[i];
try {
decimal res = arr1[i] / arr2[i];
Console.WriteLine($"{a} / {b} = {res}");
} catch (DivideByZeroException ex) {
Console.WriteLine($"DivideByZeroException: {ex.Message} A: {a}, B: {b}");
}
} catch (IndexOutOfRangeException ex) {
Console.WriteLine($"IndexOutOfRangeException: {ex.Message} Index: {i}");
} catch (Exception ex) {
Console.WriteLine("Exception: " + ex.Message);
}
}
Console.WriteLine("");
Console.WriteLine("Modeling end");
Console.ReadKey();
}
public void show()
{
Console.WriteLine(UserAccount.findUser(authorId).Username + " " + datetime);
Console.WriteLine(body);
}
