[AP-175] Add extended RS232 commands to RS232 test app

PTI.Rs232Validator.CLI/Commands/SendExtendedRequestCommand.cs

@@ -0,0 +1,61 @@
+using PTI.Rs232Validator.Cli.Utility;
+using PTI.Rs232Validator.Messages.Commands;
+using Spectre.Console.Cli;
+using System.ComponentModel;
+
+namespace PTI.Rs232Validator.Cli.Commands;
+
+/// <summary>
+/// A command to send an extended request to a bill acceptor.
+/// </summary>
+public class SendExtendedRequestCommand : Command<SendExtendedRequestCommand.Settings>
+{
+    /// <summary>
+    /// The settings for <see cref="SendExtendedRequestCommand"/>.
+    /// </summary>
+    public class Settings : CommandSettings
+    {
+        [CommandArgument(0, "<port_name>")]
+        public string PortName { get; init; } = string.Empty;
+
+        [CommandArgument(1, "<extended_command>")]
+        [TypeConverter(typeof(ByteConverter))]
+        public ExtendedCommand ExtendedCommand { get; init; }
+
+        [CommandArgument(2, "[arguments]")]
+        public byte[] Arguments { get; init; } = [];
+    }
+
+    /// <inheritdoc />
+    public override int Execute(CommandContext context, Settings settings)
+    {
+        var commandLogger = Factory.CreateMultiLogger<SendTelemetryRequestCommand>();
+        using var billValidator = Factory.CreateBillValidator(settings.PortName);
+
+        switch (settings.ExtendedCommand)
+        {
+            case ExtendedCommand.BarcodeDetected:
+                var responseMessage = billValidator.GetDetectedBarcode().Result;
+                if (responseMessage is { IsValid: true, Barcode.Length: > 0 })
+                {
+                    commandLogger.LogInfo($"The barcode is: {responseMessage.Barcode}");
+                }
+                else if (responseMessage is { IsValid: true, Barcode.Length: 0 })
+                {
+                    commandLogger.LogInfo("No barcode was detected since the last power cycle.");
+                }
+                else
+                {
+                    commandLogger.LogError("Failed to get the barcode.");
+                }
+
+                break;
+
+            default:
+                commandLogger.LogError("The specified command is not supported.");
+                return 1;
+        }
+
+        return 0;
+    }
+}