print server with new concept

Inspectron.Epson/PrintServer/PrintServices/EpsonPrintService.cs

@@ -1,5 +1,6 @@
 using Microsoft.Extensions.Logging;
 using System.Reflection;
+using Inspectron.Epson.PrintServer.Printers;
 
 namespace Inspectron.Epson.PrintServer.PrintServices;
 
@@ -7,12 +8,14 @@ public class EpsonPrintService: IPrintService
 {
     private readonly ILogger _logger;
     private readonly IPrinterFactory _printerFactory;
+    private readonly IWrapperPrinterFactory _wrapperPrinterFactory;
     private readonly IPrinterConfigurationSource _printerConfigurationSource;
 
-    public EpsonPrintService(ILogger logger, IPrinterFactory printerFactory, IPrinterConfigurationSource printerConfigurationSource)
+    public EpsonPrintService(ILogger logger, IPrinterFactory printerFactory, IWrapperPrinterFactory wrapperPrinterFactory, IPrinterConfigurationSource printerConfigurationSource)
     {
         _logger = logger;
         _printerFactory = printerFactory;
+        _wrapperPrinterFactory = wrapperPrinterFactory;
         _printerConfigurationSource = printerConfigurationSource;
     }
 
@@ -21,7 +24,7 @@ public class EpsonPrintService: IPrintService
         try
         {
             var configuration = _printerConfigurationSource.GetConfiguration(printerIp);
-            await using var epsonPrinter = new EpsonPrinter(_logger);
+            await using var epsonPrinter = _printerFactory.CreatePrinter();
             string address;
             int port = 9100;
             var printerAddress = configuration.Address;
@@ -45,19 +48,46 @@ public class EpsonPrintService: IPrintService
             {
                 throw new InvalidOperationException("Printer is offline or out of paper.");
             }
-
-            var printerAdapter = _printerFactory.CreatePrinterFromId(printerId.Value, epsonPrinter);
+            var printerAdapter = _wrapperPrinterFactory.CreatePrinterFromId(printerId.Value, epsonPrinter);
 
             await printerAdapter.InitAsync();
 
-            if (configuration.LogoFilename != null)
+            if (!string.IsNullOrEmpty(job.Document.LogoUrl))
             {
-                await printerAdapter.PrintImageAsync(configuration.LogoFilename);
+                // Download logo image
+                var logoFileName = Path.GetFileName(new Uri(job.Document.LogoUrl).LocalPath);
+                var logoCachePath = Path.Combine(AppDomain.CurrentDomain.BaseDirectory, "logos");
+
+                // Ensure logos cache directory exists
+                if (!Directory.Exists(logoCachePath))
+                {
+                    Directory.CreateDirectory(logoCachePath);
+                }
+
+                var cachedLogoPath = Path.Combine(logoCachePath, logoFileName);
+
+                // Download only if not already cached
+                if (!File.Exists(cachedLogoPath))
+                {
+                    using var httpClient = new HttpClient();
+                    httpClient.Timeout = TimeSpan.FromSeconds(10);
+
+                    var logoData = await httpClient.GetByteArrayAsync(job.Document.LogoUrl);
+                    await File.WriteAllBytesAsync(cachedLogoPath, logoData);
+
+                    _logger.LogInformation("Downloaded logo {LogoFileName} from {LogoUrl}", logoFileName, job.Document.LogoUrl);
+                }
+                else
+                {
+                    _logger.LogDebug("Using cached logo {LogoFileName}", logoFileName);
+                }
+
+                await printerAdapter.PrintImageAsync(cachedLogoPath);
             }
 
             await printerAdapter.SetFontSizeAsync(configuration.FontSize);
 
-            await printerAdapter.PrintTextAsync(job.Document);
+            await printerAdapter.PrintTextAsync(job.Document.Content);
             await Task.Delay(200);
             status = await epsonPrinter.GetPrinterStatusAsync();
             if (!status.IsOnline)

Inspectron.Epson/PrintServer/PrintServices/IPrinterFactory.cs

@@ -1,6 +0,0 @@
-namespace Inspectron.Epson.PrintServer.PrintServices;
-
-public interface IPrinterFactory
-{
-    IPrinter CreatePrinterFromId(byte printerId, EpsonPrinter epsonPrinter);
-}

Inspectron.Epson/PrintServer/PrintServices/IWrapperPrinterFactory.cs

@@ -0,0 +1,6 @@
+namespace Inspectron.Epson.PrintServer.PrintServices;
+
+public interface IWrapperPrinterFactory
+{
+    IPrinter CreatePrinterFromId(byte printerId, IEpsonPrinter epsonPrinter);
+}