feat: implement direct POS order model data extraction to ensure accurate receipt printing in basic_receipt mode

static/src/js/pos_receipt_printer.js

@@ -52,9 +52,27 @@ const originalPrintHtml = PosPrinterService.prototype.printHtml;
 patch(PosPrinterService.prototype, {
     setup(env) {
         this.env = env;
+        this._currentPrintOrder = null; // Store current order for data extraction
         super.setup(...arguments);
     },
 
+    /**
+     * Override print() to capture the order object before HTML rendering.
+     * This gives us access to real model data regardless of basic_receipt mode.
+     */
+    async print(component, props, options) {
+        // Capture the order object from props before rendering to HTML
+        if (props && props.order) {
+            this._currentPrintOrder = props.order;
+            console.log('[BluetoothPrint] print() called, captured order:', props.order?.pos_reference);
+        } else {
+            this._currentPrintOrder = null;
+        }
+        // Call the parent chain (PosPrinterService.print → PrinterService.print)
+        // which renders the component to HTML then calls this.printHtml(el)
+        return await super.print(...arguments);
+    },
+
     /**
      * Override the printHtml method to use bluetooth printer
      * Falls back to browser print on any failure
@@ -438,10 +456,17 @@ patch(PosPrinterService.prototype, {
             console.log('[BluetoothPrint] Setting character set on generator:', escposGenerator.characterSet);
         }
         
-        // Parse receipt data from HTML element
+        // Prefer direct model data over HTML parsing — HTML parsing fails in basic_receipt mode
-        console.log('[BluetoothPrint] Parsing receipt data from HTML...');
+        // because prices and totals are not rendered in the DOM when basic_receipt=true.
-        const receiptData = this._parseReceiptDataFromHtml(el);
+        let receiptData;
-        console.log('[BluetoothPrint] Parsed receipt data:', JSON.stringify(receiptData, null, 2));
+        if (this._currentPrintOrder) {
+            console.log('[BluetoothPrint] Building receipt data from POS order model (accurate)...');
+            receiptData = this._buildReceiptDataFromOrder(this._currentPrintOrder);
+        } else {
+            console.log('[BluetoothPrint] No order captured, falling back to HTML parsing...');
+            receiptData = this._parseReceiptDataFromHtml(el);
+        }
+        console.log('[BluetoothPrint] Receipt data:', JSON.stringify(receiptData, null, 2));
         
         // Generate ESC/POS commands
         console.log('[BluetoothPrint] Generating ESC/POS text commands...');
@@ -594,9 +619,119 @@ patch(PosPrinterService.prototype, {
         }
     },
 
+    /**
+     * Build receipt data directly from the POS order model.
+     * This is the preferred method — it bypasses HTML parsing entirely, giving
+     * correct prices even when basic_receipt=true (which suppresses price DOM nodes).
+     *
+     * @private
+     * @param {Object} order - pos.order model instance
+     * @returns {Object} Structured receipt data compatible with generateReceipt()
+     */
+    _buildReceiptDataFromOrder(order) {
+        console.log('[BluetoothPrint] _buildReceiptDataFromOrder called for:', order?.pos_reference);
+
+        const pos = this.env?.services?.pos;
+        const company = order.company || pos?.company || {};
+        const config = order.config || pos?.config || {};
+
+        // ── Header ─────────────────────────────────────────────────────────────
+        const headerData = {
+            companyName: company.name || config.name || 'Receipt',
+            address: [company.street, company.city, company.zip].filter(Boolean).join(', '),
+            phone: company.phone || '',
+            taxId: company.vat || ''
+        };
+
+        // ── Order info ─────────────────────────────────────────────────────────
+        let dateStr = '';
+        try {
+            if (order.date_order) {
+                const d = order.date_order;
+                // date_order can be a luxon DateTime or a JS Date
+                dateStr = typeof d.toFormat === 'function'
+                    ? d.toFormat('MM/dd/yyyy, hh:mm:ss a')
+                    : new Date(d).toLocaleString();
+            }
+        } catch (_) { dateStr = new Date().toLocaleString(); }
+
+        const orderData = {
+            orderName: order.pos_reference || order.name || '',
+            date: dateStr || new Date().toLocaleString(),
+            cashier: (typeof order.getCashierName === 'function' ? order.getCashierName() : '') || '',
+            customer: order.partner_id?.name || null
+        };
+
+        // ── Order lines ────────────────────────────────────────────────────────
+        const orderlines = typeof order.getOrderlines === 'function'
+            ? order.getOrderlines()
+            : (order.lines || []);
+
+        const lines = orderlines
+            .filter(line => !line.combo_parent_id)   // skip combo sub-lines
+            .map(line => {
+                const qty = line.qty || 0;
+
+                // displayPrice = line total (qty * unit_price after discount, incl/excl tax per config)
+                const lineTotal = typeof line.displayPrice === 'number' ? line.displayPrice : 0;
+
+                // displayPriceUnit = unit price (1 unit, incl/excl tax per config)
+                const unitPrice = typeof line.displayPriceUnit === 'number'
+                    ? line.displayPriceUnit
+                    : (qty !== 0 ? lineTotal / qty : line.price_unit || 0);
+
+                return {
+                    productName: line.full_product_name || line.product_id?.display_name || '',
+                    quantity: qty,
+                    price: unitPrice,
+                    total: lineTotal
+                };
+            })
+            .filter(l => l.productName);
+
+        // ── Totals ─────────────────────────────────────────────────────────────
+        // priceIncl = grand total including taxes
+        // priceExcl = grand total excluding taxes
+        // amountTaxes = total tax amount
+        const total = typeof order.priceIncl === 'number' ? order.priceIncl : 0;
+        const subtotal = typeof order.priceExcl === 'number' ? order.priceExcl : total;
+        const tax = typeof order.amountTaxes === 'number' ? order.amountTaxes : 0;
+
+        const totals = { subtotal, tax, discount: 0, total };
+
+        // ── Payment ────────────────────────────────────────────────────────────
+        const paymentLines = order.payment_ids || [];
+        let paymentMethod = 'Cash';
+        let paymentAmount = total;
+
+        if (paymentLines.length > 0) {
+            paymentMethod = paymentLines
+                .map(p => p.payment_method_id?.name || 'Cash')
+                .join(', ');
+            paymentAmount = typeof order.amountPaid === 'number' ? order.amountPaid : total;
+        }
+
+        const change = typeof order.change === 'number' ? Math.max(0, order.change) : 0;
+
+        const paymentData = { method: paymentMethod, amount: paymentAmount, change };
+
+        // ── Footer ─────────────────────────────────────────────────────────────
+        const footerData = {
+            message: config.receipt_footer || 'Thank you for your business!',
+            barcode: orderData.orderName || null
+        };
+
+        const receiptData = { headerData, orderData, lines, totals, paymentData, footerData };
+        console.log('[BluetoothPrint] Built receipt data from model:', receiptData);
+        return receiptData;
+    },
+
     /**
      * Parse receipt data from HTML element for ESC/POS generation
-     * 
+     * FALLBACK ONLY — used when order model is not available.
+     * NOTE: In basic_receipt mode Odoo does NOT render price/total DOM nodes,
+     * so values parsed from HTML will be 0. Always prefer _buildReceiptDataFromOrder.
+     *
      * @private
      * @param {HTMLElement} el - Receipt HTML element
      * @returns {Object} Structured receipt data