89 lines
3.3 KiB
C#
89 lines
3.3 KiB
C#
using Inspectron.Epson.PrintServer.Printers.Utils.FinalRecipe;
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namespace Inspectron.Epson.PrintServer.Printers.Utils.InvoiceReceipt;
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public class ReceiptConverter
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{
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private readonly int _lineWidth;
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private readonly int _bigFontLineWidth;
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public ReceiptConverter(int lineWidth = 42, int bigFontLineWidth = 21)
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{
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_lineWidth = lineWidth;
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_bigFontLineWidth = bigFontLineWidth;
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}
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public List<PrintCommand> ConvertToPrintCommands(InvoiceReceipt invoiceReceipt)
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{
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var commands = new List<PrintCommand>();
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// Header - Company info
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commands.Add(new PrintCommand(Center(invoiceReceipt.CompanyName, false)));
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commands.Add(new PrintCommand(Center(invoiceReceipt.Address1, false)));
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commands.Add(new PrintCommand(Center(invoiceReceipt.Address2, false)));
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commands.Add(new PrintCommand(Center(invoiceReceipt.Phone, false)));
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commands.Add(new PrintCommand(""));
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commands.Add(new PrintCommand(""));
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// InvoiceReceipt info
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string receiptLine = "";
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if (invoiceReceipt.ReceiptNumber != null)
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receiptLine += $"Rechnung Nr. {invoiceReceipt.ReceiptNumber}".PadRight(_lineWidth / 2);
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else
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receiptLine += $"".PadRight(_lineWidth / 2);
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receiptLine += $"{invoiceReceipt.DateTime:HH:mm dd.MM.yyyy}".PadLeft(_lineWidth / 2);
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commands.Add(new PrintCommand(receiptLine,isBold:true));
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commands.Add(new PrintCommand($"Guests: {invoiceReceipt.Guests}"));
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commands.Add(new PrintCommand(""));
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// Items
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foreach (var item in invoiceReceipt.Items)
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{
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string quantityDesc = $"{item.Quantity}x {item.Description}";
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string prices = $"{item.UnitPrice:F2}"+$"{item.TotalPrice:F2}".PadLeft(7)+$" {item.TaxCategory}";
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// Calculate spacing to align prices to the right
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int spacesNeeded = _lineWidth - quantityDesc.Length - prices.Length;
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if (spacesNeeded < 1) spacesNeeded = 1;
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string itemLine = quantityDesc + new string(' ', spacesNeeded) + prices;
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commands.Add(new PrintCommand(itemLine));
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// SubItems
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if (item.SubItems != null)
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{
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foreach (var subItem in item.SubItems)
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{
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commands.Add(new PrintCommand($" - {subItem}"));
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}
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}
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}
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commands.Add(new PrintCommand(""));
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commands.Add(new PrintCommand("---------".PadLeft(_lineWidth)));
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commands.Add(new PrintCommand(""));
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// Total
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string totalLine = $"Summe: {invoiceReceipt.Total:F2} {invoiceReceipt.Currency}";
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commands.Add(new PrintCommand(Center(totalLine, true), true, true));
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commands.Add(new PrintCommand(Center($"Tisch: {invoiceReceipt.TableNumber}",false), false));
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commands.Add(new PrintCommand(Center(invoiceReceipt.ThankYouMessage, false)));
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return commands;
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}
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private string Center(string text, bool isBigFont)
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{
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int effectiveLineWidth = isBigFont ? _bigFontLineWidth : _lineWidth;
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if (string.IsNullOrEmpty(text) || text.Length >= effectiveLineWidth)
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return text;
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int totalPadding = effectiveLineWidth - text.Length;
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int leftPadding = totalPadding / 2;
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return new string(' ', leftPadding) + text;
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}
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}
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