public void SignIn(string login, string password)
{
try
{
IServiceCallback callback = Callback;
if (callback != null)
{
using (TestingSystemContext context = new TestingSystemContext())
{
User user = context.Users.FirstOrDefault(u => u.Login.Equals(login));
if (user is null)
{
callback.ResultOfUserSignIn(null, "Пользователь с таким логином не найден!");
}
else
{
if (user.Password.Equals(password))
{
callback.ResultOfUserSignIn(user, "");
}
else
{
callback.ResultOfUserSignIn(null, "Неверный пароль!");
}
}
}
}
}
catch (Exception exception)
{
IServiceCallback callback = Callback;
if (callback != null)
{
callback.ResultOfUserSignIn(null, exception.Message);
}
}
}
