private void Send_Click(object sender, EventArgs e)
{
if (string.IsNullOrWhiteSpace(txtMessage.Text))
{
return;
}
if (listUser.SelectedItem != null)
{
if (listUser.SelectedItem is User receiver)
{
SendTextMessage sendTextMessage = new SendTextMessage(receiver.Email, txtMessage.Text);
if (CConnectionController.TrySendPackage(sendTextMessage, CConnectionController.ServerAddress))
{
CDataController.Messages.Add(new Message(CConnectionController.LoginUser.Email, receiver.Email, DateTime.Now, txtMessage.Text));
UpdateMessage();
WaitForFeedback = true;
timer.Enabled = true;
}
else
{
MessageBox.Show("Fehler beim Senden!");
}
}
}
}
private static void HandlePackage(SendTextMessage sendTextMessage, string clientAddress)
{
DateTime?sendTime;
if (!SDBController.ConnectionAvailable())
{
SConnectionController.SendPackage(new Feedback(FeedbackCode.MessageSendFailed), clientAddress);
return;
}
if (!SDBController.TryGetUser(clientAddress, out User user))
{
SConnectionController.SendPackage(new Feedback(FeedbackCode.InvalidSession), clientAddress);
return;
}
if (!SDBController.TryGetIPAddressByEmail(sendTextMessage.EMail, out string ipAddress))
{
sendTime = null;
}
else
{
if (string.IsNullOrEmpty(ipAddress))
{
sendTime = null;
}
else
{
if (SConnectionController.SendPackage(new ReceiveTextMessage(sendTextMessage.EMail, sendTextMessage.Text), ipAddress))
{
sendTime = DateTime.Now;
}
else
{
sendTime = null;
}
}
}
if (SDBController.TryAddMessage(user.Email, sendTextMessage.EMail, sendTextMessage.Text, sendTime))
{
SConnectionController.SendPackage(new Feedback(FeedbackCode.MessageSendSuccess), clientAddress);
}
else
{
SConnectionController.SendPackage(new Feedback(FeedbackCode.MessageSendFailed), clientAddress);
}
}
