internal PrintCommandHandler(IPrintCommand cmd, IPrinterNotifier notifier, params ISufficientLevelIndicator[] indicators)
{
_cmd = cmd;
_n = notifier ?? new EmptyPrinterNotifier();
InjectSufficientLevelIndicators(indicators);
ValidateHandler();
}
public Printer(IPaperLevelIndicator paperLevelIndicator,
IBlackLevelIndicator blackLevelIndicator,
IColorLevelIndicator colorLevelIndicator,
IPrinterNotifier notifier)
{
_pli = paperLevelIndicator;
_bli = blackLevelIndicator;
_cli = colorLevelIndicator;
_n = notifier;
}
public PrintBlackCommand(byte[] content,
IPaperLevelIndicator paperLevelIndicator,
IBlackLevelIndicator blackLevelIndicator,
IPrinterNotifier notifier = null)
{
if (content is null || content.Length == 0)
{
throw new NoContentToPrintException();
}
_handler = new PrintCommandHandler(this, notifier, paperLevelIndicator, blackLevelIndicator);
Content = content;
Id = Guid.NewGuid();
}
private static async Task Print(string content)
{
byte[] c = System.Text.Encoding.UTF8.GetBytes(content);
IPaperLevelIndicator pli = _printerType == "p" ?
new ComplexPaperLevelIndicator((Int32)Math.Ceiling((double)(c.Length / 100))) as IPaperLevelIndicator :
new SimplePaperLevelIndicator() as IPaperLevelIndicator;
IBlackLevelIndicator bli = new SimpleBlackLevelIndicator();
IPrinterNotifier n = null;
IPrintCommand cmd;
if (_notifie == true)
{
n = new RabbitMq(_config);
}
try
{
if (_printType == "c")
{
IColorLevelIndicator cli = _printerType == "p" ?
new ComplexColorLevelIndicator() as IColorLevelIndicator :
new SimpleColorLevelIndicator() as IColorLevelIndicator;
cmd = new PrintColorCommand(content: c,
paperLevelIndicator: pli,
blackLevelIndicator: bli,
colorLevelIndicator: cli,
notifier: n);
}
else
{
cmd = new PrintBlackCommand(content: c,
paperLevelIndicator: pli,
blackLevelIndicator: bli,
notifier: n);
}
if (!(n is null))
{
await n.Subscribe((msg) =>
{
if (_printType == "c")
{
ForegroundColor = ConsoleColor.Cyan;
}
WriteLine(msg);
ResetColor();
}, PrinterNotificationTypes.Printed, cmd.Id);
}
await cmd.Execute();
}
catch (CannotConnectToNotificationServiceException)
{
Write("Can not connect to notification service. Do you want to proceed? [y/n]: ");
var key = ReadKey();
Write(NewLine);
if (key.Key == ConsoleKey.Y)
{
_notifie = false;
await Print(content);
}
}
catch (ApplicationException ex)
{
WriteLine(ex.Message);
}
catch (Exception ex)
{
ForegroundColor = ConsoleColor.Magenta;
WriteLine(ex.Message);
ResetColor();
ConsoleKeyInfo key;
do
{
key = ReadKey(intercept: false);
}while (key.Key == ConsoleKey.Enter);
await ProcessInput("exit");
}
finally
{
_processing = false;
_printerType = null;
_printType = null;
_notifie = null;
n?.Dispose();
await ProcessInput(ReadLine());
}
}
