bool CanMessageBeSent(out string error)
{
error = null;
if (Mail.IsSending)
{
return(false);
}
if (MessageTextBox.TextLength < MinimalAmountOfCharacters)
{
error = TooLittleCharactersError;
return(false);
}
bool lastMailInfoGotten = ProgramDataDir.TryGetInfo(ProgramDataDir.Line.LastMailTime, out string lastMailTime);
if (lastMailInfoGotten)
{
long currTime = DateTimeOffset.Now.ToUnixTimeSeconds();
long mailTime = long.Parse(lastMailTime);
TimeSpan difference = TimeSpan.FromSeconds(currTime - mailTime);
if (difference < DelayBetweenMails)
{
error = NotEnoughTimePassedError;
return(false);
}
}
return(true);
}
private async void SendButton_ClickAsync(object sender, EventArgs e)
{
if (!CanMessageBeSent(out string error))
{
if (error != null)
{
InfoLabel.Text = error;
}
return;
}
InfoLabel.Text = SendingInProcessText;
Mail.SubjectType subject = SubjectRadioButtons.Single(butt => butt.Checked).Text.ToEnum <Mail.SubjectType>();
(bool success, Exception ex)result = await Task.Run(() => (Mail.TrySendMail(MessageTextBox.Text, subject, out Exception ex), ex));
if (result.success)
{
InfoLabel.Text = SuccesfullySentText;
ProgramDataDir.WriteInfo(ProgramDataDir.Line.LastMailTime, DateTimeOffset.Now.ToUnixTimeSeconds().ToString());
}
else
{
InfoLabel.Text = GeneralSendingError;
}
}
