Add QZ raw receipt fallback text

addons/dine360_qz_printer/static/src/js/qz_wrapper.js

@@ -4,6 +4,7 @@ import { patch } from "@web/core/utils/patch";
 import { ReceiptScreen } from "@point_of_sale/app/screens/receipt_screen/receipt_screen";
 
 const RECEIPT_COLUMNS = 42;
+const NEWLINE = "\r\n";
 
 function normalizeReceiptText(text) {
     return (text || "")
@@ -34,20 +35,87 @@ function wrapLine(line, width = RECEIPT_COLUMNS) {
     return wrapped;
 }
 
-function buildEscPosReceipt(receiptElement) {
+function money(value, currency) {
+    const amount = Number(value || 0).toFixed(2);
+    return currency?.symbol ? `${currency.symbol}${amount}` : amount;
+}
+
+function leftRight(left, right, width = RECEIPT_COLUMNS) {
+    const cleanLeft = String(left || "");
+    const cleanRight = String(right || "");
+    const space = Math.max(1, width - cleanLeft.length - cleanRight.length);
+    return `${cleanLeft}${" ".repeat(space)}${cleanRight}`;
+}
+
+function buildReceiptLinesFromOrder(order) {
+    const currency = order?.pos?.currency;
+    const lines = [];
+    const company = order?.pos?.company;
+    const client = order?.get_partner?.();
+
+    if (company?.name) {
+        lines.push(company.name);
+    }
+    if (company?.phone) {
+        lines.push(company.phone);
+    }
+    lines.push("-".repeat(RECEIPT_COLUMNS));
+
+    const receiptNumber = order?.name || order?.uid || "";
+    if (receiptNumber) {
+        lines.push(`Receipt: ${receiptNumber}`);
+    }
+    lines.push(new Date().toLocaleString());
+    if (client?.name) {
+        lines.push(`Customer: ${client.name}`);
+    }
+    lines.push("-".repeat(RECEIPT_COLUMNS));
+
+    for (const orderline of order?.get_orderlines?.() || []) {
+        const product = orderline.get_product?.();
+        const name = product?.display_name || product?.name || "";
+        const qty = orderline.get_quantity?.() || 0;
+        const total = orderline.get_price_with_tax?.() ?? orderline.get_display_price?.() ?? 0;
+        for (const wrapped of wrapLine(name, RECEIPT_COLUMNS)) {
+            lines.push(wrapped);
+        }
+        lines.push(leftRight(`  ${qty} x`, money(total, currency)));
+    }
+
+    lines.push("-".repeat(RECEIPT_COLUMNS));
+    lines.push(leftRight("TOTAL", money(order?.get_total_with_tax?.(), currency)));
+    const tax = order?.get_total_tax?.();
+    if (tax) {
+        lines.push(leftRight("Tax", money(tax, currency)));
+    }
+    const change = order?.get_change?.();
+    if (change) {
+        lines.push(leftRight("Change", money(change, currency)));
+    }
+    lines.push("-".repeat(RECEIPT_COLUMNS));
+    lines.push("Thank you");
+    return lines;
+}
+
+function buildReceiptLines(receiptElement, order) {
+    const domLines = normalizeReceiptText(receiptElement?.innerText || "");
+    if (domLines.length > 1) {
+        return domLines;
+    }
+    return buildReceiptLinesFromOrder(order);
+}
+
+function buildEscPosReceipt(receiptElement, order) {
     const ESC = "\x1B";
     const GS = "\x1D";
-    const lines = normalizeReceiptText(receiptElement.innerText);
+    const lines = buildReceiptLines(receiptElement, order);
-    const body = lines.flatMap((line) => wrapLine(line)).join("\n");
+    const body = lines.flatMap((line) => wrapLine(line)).join(NEWLINE);
 
     return [
         ESC + "@", // Initialize printer
-        ESC + "a" + "\x01", // Center
-        ESC + "E" + "\x01", // Bold on
-        body,
-        ESC + "E" + "\x00", // Bold off
         ESC + "a" + "\x00", // Left align
-        "\n\n\n",
+        body,
+        NEWLINE + NEWLINE + NEWLINE,
         GS + "V" + "\x00", // Full cut on Epson-compatible printers
     ].join("");
 }
@@ -76,16 +144,9 @@ patch(ReceiptScreen.prototype, {
                     return false;
                 }
 
-                const printData = buildEscPosReceipt(receiptElement);
+                const printData = buildEscPosReceipt(receiptElement, this.currentOrder);
 
-                await qz.print(config, [
+                await qz.print(config, [printData]);
-                    {
-                        type: "raw",
-                        format: "command",
-                        flavor: "plain",
-                        data: printData,
-                    }
-                ]);
 
                 if (this.currentOrder) {
                     this.currentOrder._printed = true;