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Initial commit til Git. V2 er deployed
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248
PointOfSale/EpsonPrinterLinux/Services/EpsonPrintService.cs
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248
PointOfSale/EpsonPrinterLinux/Services/EpsonPrintService.cs
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using System;
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using System.Collections.Generic;
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using System.Globalization;
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using System.IO;
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using System.Linq;
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using System.Text;
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using EpsonPrinter.Model;
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using Microsoft.Extensions.Configuration;
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namespace EpsonPrinter.Services
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{
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public class EpsonPrintService
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{
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private readonly IConfiguration _config;
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private readonly string _devicePath;
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public EpsonPrintService(IConfiguration config)
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{
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_config = config;
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_devicePath = _config["PrintSettings:DevicePath"] ?? "/dev/usb/lp0";
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Encoding.RegisterProvider(CodePagesEncodingProvider.Instance);
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}
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public void PrintReceipt(ReceiptModel model)
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{
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ICommandEmitter e = new EPSON();
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InitAndWrite(e);
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List<byte[][]> printBytes = new List<byte[][]>();
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PrintHeader printHeader = new PrintHeader(e);
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PrintBody printBody = new PrintBody(e, _config);
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PrintFooter printFooter = new PrintFooter(e);
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var header = (model.Header != null && model.Header.Any()) ? model.Header : BuildDefaultHeader();
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var body = model.BodyModel ?? BuildDefaultBody();
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if (string.IsNullOrWhiteSpace(body.Staff))
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{
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body.Staff = _config["PrintSettings:Defaults:Staff"] ?? "Ukendt";
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}
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if (string.IsNullOrWhiteSpace(body.ReceiptTime))
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{
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body.ReceiptTime = DateTime.Now.ToString("dd-MM-yyyy HH:mm:ss");
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}
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if (body.ReceiptNumber <= 0)
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{
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body.ReceiptNumber = Math.Abs(Environment.TickCount % 1000000);
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}
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body.Products ??= new List<BodyProductModel>();
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if (!body.Products.Any())
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{
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body.Products.Add(new BodyProductModel
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{
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Product = "Standard vare",
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NoOfProduct = 1,
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Price = 99.00m,
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TotalPrice = 99.00m
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});
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}
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if (body.TotalPrice <= 0)
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{
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body.TotalPrice = body.Products.Sum(x => x.TotalPrice <= 0 ? x.Price * x.NoOfProduct : x.TotalPrice);
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}
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if (body.TotalVat <= 0)
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{
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body.TotalVat = Math.Round(body.TotalPrice * 0.25m, 2);
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}
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var footer = (model.Footer != null && model.Footer.Any()) ? model.Footer : BuildDefaultFooter();
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printBytes.AddRange(printHeader.Print(header));
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printBytes.AddRange(printBody.Print(body));
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printBytes.AddRange(printFooter.Print(footer));
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byte[][] array = printBytes.SelectMany(c => c).ToArray();
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Write(array);
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Write(e.FeedLines(5));
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Write(e.FullCut());
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}
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public void PrintSaleOfDay(SaleOfDayModel model)
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{
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ICommandEmitter e = new EPSON();
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InitAndWrite(e);
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PrintSaleOfDay(model, e);
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}
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private void InitAndWrite(ICommandEmitter e)
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{
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Write(e.Initialize());
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Write(e.Enable());
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Write(e.CodePage(CodePage.ISO8859_15_LATIN9));
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Write(e.EnableAutomaticStatusBack());
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}
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private void PrintSaleOfDay(SaleOfDayModel model, ICommandEmitter e)
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{
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List<byte[][]> data = new List<byte[][]>();
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byte[][] dateBytes =
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{
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e.SetStyles(PrintStyle.DoubleWidth),
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e.LeftAlign(),
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e.PrintLine($"Dato: {model.Date:dd-MM-yyyy}")
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};
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data.Add(dateBytes);
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byte[][] seperater =
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{
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e.SetStyles(PrintStyle.None),
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e.LeftAlign(),
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e.PrintLine("-----------------------------------")
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};
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data.Add(seperater);
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foreach (SaleOfDayDetail saleOfDayDetail in model.SaleOfDayDetail)
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{
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string pS = $"{saleOfDayDetail.Category} : {saleOfDayDetail.TotalSale.ToString("#.#0", CultureInfo.InvariantCulture)}";
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byte[][] totalPrice =
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{
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e.SetStyles(PrintStyle.DoubleWidth),
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e.LeftAlign(),
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e.PrintLine(pS)
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};
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data.Add(totalPrice);
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}
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data.Add(seperater);
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string totalSale = $"Total salg: {model.TotalSale.ToString("#.#0", CultureInfo.InvariantCulture)}";
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byte[][] tSBytes =
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{
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e.SetStyles(PrintStyle.DoubleWidth),
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e.LeftAlign(),
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e.PrintLine(totalSale)
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};
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data.Add(tSBytes);
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string totalCustomer = $"Antal kunder: {model.TotalCustomers}";
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byte[][] tCBytes =
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{
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e.SetStyles(PrintStyle.DoubleWidth),
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e.LeftAlign(),
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e.PrintLine(totalCustomer)
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};
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data.Add(tCBytes);
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byte[][] array = data.SelectMany(c => c).ToArray();
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Write(array);
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Write(e.FeedLines(5));
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Write(e.FullCut());
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}
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private List<HeaderModel> BuildDefaultHeader()
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{
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return new List<HeaderModel>
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{
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new HeaderModel
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{
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Value = _config["PrintSettings:Defaults:StoreName"] ?? "TableTop3D",
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TextAlignment = Enums.AlignmentEnum.Center,
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FeedingLines = 0,
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PrintStyles = new PrintStyleModel { Bold = true, DoubleWidth = true, DoubleHeight = true }
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},
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new HeaderModel
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{
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Value = _config["PrintSettings:Defaults:AddressLine1"] ?? string.Empty,
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TextAlignment = Enums.AlignmentEnum.Center,
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FeedingLines = 0,
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PrintStyles = new PrintStyleModel { Bold = true }
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},
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new HeaderModel
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{
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Value = _config["PrintSettings:Defaults:AddressLine2"] ?? string.Empty,
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TextAlignment = Enums.AlignmentEnum.Center,
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FeedingLines = 0,
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PrintStyles = new PrintStyleModel()
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},
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new HeaderModel
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{
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Value = _config["PrintSettings:Defaults:Cvr"] ?? string.Empty,
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TextAlignment = Enums.AlignmentEnum.Center,
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FeedingLines = 1,
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PrintStyles = new PrintStyleModel()
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}
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}.Where(x => !string.IsNullOrWhiteSpace(x.Value)).ToList();
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}
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private FooterModel CreateFooterLine(string value, bool bold = false)
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{
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return new FooterModel
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{
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Value = value,
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TextAlignment = Enums.AlignmentEnum.Center,
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FeedingLines = 0,
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PrintStyles = new PrintStyleModel { Bold = bold }
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};
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}
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private List<FooterModel> BuildDefaultFooter()
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{
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var values = new[]
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{
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_config["PrintSettings:Defaults:FooterLine1"] ?? "Tak for dit køb!",
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_config["PrintSettings:Defaults:FooterLine2"] ?? string.Empty,
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_config["PrintSettings:Defaults:Phone"] ?? string.Empty
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}.Where(x => !string.IsNullOrWhiteSpace(x)).ToList();
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return values.Select((x, i) => CreateFooterLine(x, i == 0)).ToList();
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}
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private BodyModel BuildDefaultBody()
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{
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return new BodyModel
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{
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ReceiptNumber = Math.Abs(Environment.TickCount % 1000000),
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ReceiptTime = DateTime.Now.ToString("dd-MM-yyyy HH:mm:ss"),
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Staff = _config["PrintSettings:Defaults:Staff"] ?? "Ukendt",
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Products = new List<BodyProductModel>
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{
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new BodyProductModel
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{
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Product = "Standard vare",
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NoOfProduct = 1,
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Price = 99.00m,
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TotalPrice = 99.00m
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}
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},
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TotalPrice = 99.00m,
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TotalVat = 24.75m
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};
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}
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private void Write(byte[] data)
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{
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using var stream = new FileStream(_devicePath, FileMode.Open, FileAccess.Write, FileShare.ReadWrite);
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stream.Write(data, 0, data.Length);
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stream.Flush();
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}
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private void Write(byte[][] data)
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{
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foreach (var segment in data)
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{
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Write(segment);
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}
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}
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}
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}
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