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EugeneTes
206
Inspectron.Epson/PrintServer/Printers/Utils/ReceiptTranslator.cs
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206
Inspectron.Epson/PrintServer/Printers/Utils/ReceiptTranslator.cs
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namespace Inspectron.Epson.PrintServer.Printers.Utils;
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public record KitchenReceipt(string Location, string Date, string Owner, string Tisch, List<KitchenItem> items) :ASTNode;
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public record KitchenItem(string Name) : ASTNode;
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public record KitchenProduct(int Amount, string Name) : KitchenItem(Name);
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public record KitchenGang(string Name) : KitchenItem(Name);
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public record FinalReceipt(string Location, string Phone, string URL, string Date, List<FinalReceiptItem> items, string total, string MWST, string Comment, string Thanks) : ASTNode;
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public record FinalReceiptItem(string Name, int Amount, string Price, string Total) : ASTNode;
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public class ReceiptTranslator
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{
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public ASTNode ParseReceipt(string receiptText)
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{
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// Determine receipt type based on content
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bool isFinalReceipt = receiptText.Contains("http") ||
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receiptText.Contains("+41") ||
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receiptText.Contains("Summe CHF") ||
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receiptText.Contains("MWST") ||
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receiptText.Contains("Thank you");
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bool isKitchenReceipt = receiptText.Contains("TISCH:");
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if (isKitchenReceipt && !isFinalReceipt)
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{
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return ParseKitchenReceipt(receiptText);
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}
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else if (isFinalReceipt)
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{
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return ParseFinalReceipt(receiptText);
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}
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else
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{
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// Default to kitchen receipt if unclear
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return ParseKitchenReceipt(receiptText);
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}
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}
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public static FinalReceipt ParseFinalReceipt(string receiptText)
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{
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var lines = receiptText.Split('\n', StringSplitOptions.RemoveEmptyEntries)
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.Select(l => l.Trim())
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.ToList();
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// Extract header information
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string location = lines[0];
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string phone = lines[1];
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string url = lines[2];
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// Find and extract date
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var dateLine = lines.FirstOrDefault(l => l.StartsWith("Datum:"));
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string date = dateLine?.Replace("Datum:", "").Trim() ?? "";
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// Find total line
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var totalLine = lines.FirstOrDefault(l => l.Contains("Summe CHF :"));
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string total = totalLine?.Split(':').Last().Trim() ?? "";
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// Find MWST line (comes after "TOTAL MWST" header)
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var mwstLineIndex = lines.FindIndex(l => l.StartsWith("TOTAL") && l.Contains("MWST"));
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string mwst = mwstLineIndex >= 0 && mwstLineIndex + 1 < lines.Count
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? lines[mwstLineIndex + 1].Split(new[] { ' ' }, StringSplitOptions.RemoveEmptyEntries).LastOrDefault() ?? ""
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: "";
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// Extract comment (line after MWST values)
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string comment = mwstLineIndex >= 0 && mwstLineIndex + 2 < lines.Count
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? lines[mwstLineIndex + 2]
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: "";
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// Extract thank you message (last non-separator line)
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string thanks = lines.LastOrDefault(l => !l.Contains("--")) ?? "";
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// Parse items
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var items = new List<FinalReceiptItem>();
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var startIndex = lines.FindIndex(l => l.StartsWith("Datum:")) + 2; // Skip date and separator
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var endIndex = lines.FindIndex(l => l.Contains("Summe CHF"));
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for (int i = startIndex; i < endIndex; i++)
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{
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var line = lines[i];
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// Skip separator lines and empty lines
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if (line.Contains("---") || string.IsNullOrWhiteSpace(line))
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continue;
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// Check if line contains item data (has * separator)
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if (line.Contains("*"))
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{
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// Parse format: "Name Amount * Price Total"
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var parts = line.Split('*');
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if (parts.Length == 2)
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{
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var leftPart = parts[0].Trim();
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var rightPart = parts[1].Trim();
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// Extract name and amount from left part
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var leftTokens = leftPart.Split(new[] { ' ' }, StringSplitOptions.RemoveEmptyEntries);
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var amount = int.Parse(leftTokens.Last());
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var name = string.Join(" ", leftTokens.Take(leftTokens.Length - 1));
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// Extract price and total from right part
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var rightTokens = rightPart.Split(new[] { ' ' }, StringSplitOptions.RemoveEmptyEntries);
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var price = rightTokens.Length > 0 ? rightTokens[0] : "";
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var itemTotal = rightTokens.Length > 1 ? rightTokens[1] : "";
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items.Add(new FinalReceiptItem(name, amount, price, itemTotal));
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}
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}
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}
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return new FinalReceipt(location, phone, url, date, items, total, mwst, comment, thanks);
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}
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public static KitchenReceipt ParseKitchenReceipt(string receiptText)
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{
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var lines = receiptText.Split('\n', StringSplitOptions.RemoveEmptyEntries)
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.Select(l => l.Trim())
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.ToList();
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int currentIndex = 0;
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// Skip optional "*** KOPIE ***" header
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if (lines[currentIndex].Contains("***"))
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{
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currentIndex++;
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}
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// Extract location (can be any phrase)
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string location = lines[currentIndex];
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currentIndex++;
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// Skip separator line
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while (currentIndex < lines.Count && lines[currentIndex].Contains("---"))
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{
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currentIndex++;
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}
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// Extract date line
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string date = lines[currentIndex];
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currentIndex++;
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// Extract owner
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string owner = "";
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do
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{
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if (owner != "")
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{
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owner += "/n";
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}
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owner += lines[currentIndex];
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currentIndex++;
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} while (!lines[currentIndex].ToLower().Contains("tisch:"));
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// Extract table (extract text after "TISCH:")
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string tisch = lines[currentIndex].Replace("TISCH:", "").Trim();
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currentIndex++;
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// Skip empty lines and separators until we reach items
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while (currentIndex < lines.Count &&
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(string.IsNullOrWhiteSpace(lines[currentIndex]) || lines[currentIndex].Contains("-")))
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{
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currentIndex++;
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}
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// Parse items
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var items = new List<KitchenItem>();
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while (currentIndex < lines.Count)
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{
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var line = lines[currentIndex];
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// Stop at separator or end
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if (line.Contains("---") || string.IsNullOrWhiteSpace(line))
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{
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break;
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}
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if (line.ToLower().Contains(". gang"))
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{
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items.Add(new KitchenGang(line.Trim()));
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currentIndex++;
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continue;
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}
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// Parse format: "1x Espresso" or " 1x Espresso"
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var trimmedLine = line.Trim();
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if (trimmedLine.Contains("x"))
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{
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var parts = trimmedLine.Split('x', 2);
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if (parts.Length == 2 && int.TryParse(parts[0].Trim(), out int amount))
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{
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var itemName = parts[1].Trim();
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items.Add(new KitchenProduct(amount, itemName));
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}
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}
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currentIndex++;
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}
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return new KitchenReceipt(location, date, owner, tisch, items);
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}
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}
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