MarcoE
3b04702665
Oltre alle etichette a peso variabile (EAN13/CODE128 a 13 cifre), ora vengono riconosciuti i CODE128 di 7 cifre che iniziano con '2': si scarta il prefisso e restano le 6 cifre del PLU, come per DecodeEanPeso.
69 lines
2.4 KiB
C#
69 lines
2.4 KiB
C#
using CommunityToolkit.Mvvm.Messaging;
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using Microsoft.Maui.Devices.Sensors;
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using SteUp.Shared.Core.BarcodeReader.Contracts;
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using SteUp.Shared.Core.BarcodeReader.Dto;
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using SteUp.Shared.Core.BarcodeReader.Enum;
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using SteUp.Shared.Core.Messages.Scanner;
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namespace SteUp.Shared.Core.BarcodeReader;
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public class BarcodeManager(
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IBarcodeReaderService scanner,
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IMessenger messenger) : IBarcodeManager
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{
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public void Init()
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{
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if (!scanner.IsRightAdapter())
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{
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Console.WriteLine("Dispositivo non compatibile con lo scanner Honeywell.");
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return;
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}
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scanner.Register(
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onScanSuccessful: dto =>
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{
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var stringValue = dto.StringValue;
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if (IsEanPeso(dto))
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stringValue = DecodeEanPeso(stringValue);
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else if (IsPlu(dto))
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stringValue = DecodePlu(stringValue);
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messenger.Send(new NewScannerMessage(stringValue));
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},
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onScanFailed: ex => { messenger.Send(new ErrorScannerMessage(ex.Message)); }
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);
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scanner.Init(() => { scanner.ChangeSettings([("TRIGGER_SCAN_MODE", "ONE_SHOT")]); });
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}
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private static bool IsEanPeso(BarcodeScanDto barcodeScan) =>
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(IsEtichetta128(barcodeScan) || IsEan13(barcodeScan)) && barcodeScan.StringValue is { Length: 13 } &&
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barcodeScan.StringValue.StartsWith('2');
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private static bool IsPlu(BarcodeScanDto barcodeScan) =>
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IsCode128(barcodeScan) && barcodeScan.StringValue is { Length: 7 } && barcodeScan.StringValue.StartsWith('2');
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private static bool IsEtichetta128(BarcodeScanDto barcodeScan) =>
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barcodeScan.Type is BarcodeType.CODE128 or BarcodeType.EAN128;
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private static bool IsCode128(BarcodeScanDto barcodeScan) =>
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barcodeScan.Type == BarcodeType.CODE128;
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private static bool IsEan13(BarcodeScanDto barcodeScan) =>
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barcodeScan.Type == BarcodeType.EAN13;
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private static string DecodeEanPeso(string? barcode)
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{
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return barcode is not { Length: 13 }
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? throw new Exception("Errore durante il parse del barcode (" + barcode + ")")
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: barcode.Substring(1, 6);
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}
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private static string DecodePlu(string? barcode)
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{
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return barcode is not { Length: 7 }
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? throw new Exception("Errore durante il parse del barcode (" + barcode + ")")
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: barcode.Substring(1, 6);
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}
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} |