public override Task TextMessageRecieved(string login, string message, ResultOfOperation result,
ContactForm form = null,
bool userIsAuth = true)
{
try
{
if (!userIsAuth)
{
result.OperationWasFinishedSuccessful = false;
result.ErrorMessage = "Аутентификация не была проведена.";
return(Task.CompletedTask);
}
if (form == null)
{
form = ContactsF.First(userForm => userForm.Login.Equals(login));
}
var args = new TextMessageRecievedEventArgs()
{
Message = message, Contact = form
};
result.OperationWasFinishedSuccessful = true;
return(OnTextMessageRecieved(args));
}
catch (InvalidOperationException ex)
{
result.OperationWasFinishedSuccessful = false;
result.ErrorMessage = "Пользователь не зарегистрирован.";
return(Task.CompletedTask);
}
}
protected override Task OnTextMessageRecieved(TextMessageRecievedEventArgs args)
{
Func <object, TextMessageRecievedEventArgs, Task> handlerEvent = TextMessageRecievedEvent;
if (handlerEvent == null)
{
return(Task.FromResult(false));
}
try
{
Delegate[] invocationList = handlerEvent.GetInvocationList();
var handlerTasks =
invocationList.Select(
delegatee => ((Func <object, TextMessageRecievedEventArgs, Task>)delegatee)(this, args));
return(Task.WhenAll(handlerTasks));
}
catch (Exception ex)
{
return(Task.CompletedTask);
}
}
protected abstract Task OnTextMessageRecieved(TextMessageRecievedEventArgs args);