__manifest__.py

@@ -1,7 +1,7 @@
 # -*- coding: utf-8 -*-
 {
     'name': 'POS Reverse Downpayment',
-    'version': '19.0.1.0.0',
+    'version': '1.0',
     'category': 'Sales/Point of Sale',
     'summary': 'Create Quotation from POS Cart and Zero-out Standard Items',
     'description': """

models/pos_order.py

@@ -77,6 +77,19 @@ class PosOrder(models.Model):
                     pickings = self.env['stock.picking']._create_picking_from_pos_order_lines(destination_id, lines_to_pick, picking_type, self.partner_id)
                     pickings.write({'pos_session_id': self.session_id.id, 'pos_order_id': self.id, 'origin': self.name})
 
+    def _process_preparation_changes(self, cancelled=False, note_history=None):
+        """
+        Intercepts preparation display generation. If this POS order is actually a Quotation
+        we don't want it to be processed by the kitchen display.
+        """
+        if any(line.is_quotation_line for line in self.lines):
+            return {'change': False, 'sound': False, 'category_ids': []}
+        # Check if pos_preparation_display is installed and we can call super
+        if hasattr(super(), '_process_preparation_changes'):
+            return super()._process_preparation_changes(cancelled=cancelled, note_history=note_history)
+        return {'change': False, 'sound': False, 'category_ids': []}
+
+
 class PosOrderLine(models.Model):
     _inherit = 'pos.order.line'
 
@@ -86,8 +99,14 @@ class PosOrderLine(models.Model):
         default=False
     )
 
-    @api.model
-    def _load_pos_data_fields(self, config):
-        result = super()._load_pos_data_fields(config)
-        result.append('is_quotation_line')
+    def _export_for_ui(self, orderline):
+        result = super()._export_for_ui(orderline)
+        result['is_quotation_line'] = orderline.is_quotation_line
         return result
+
+    def _order_line_fields(self, line, session_id=None):
+        result = super()._order_line_fields(line, session_id)
+        if 'is_quotation_line' in line[2]:
+            result[2]['is_quotation_line'] = line[2]['is_quotation_line']
+        return result
+

static/src/overrides/models.js

@@ -1,7 +1,6 @@
 /** @odoo-module */
 
-import { PosStore } from "@point_of_sale/app/services/pos_store";
-import { PosOrderline } from "@point_of_sale/app/models/pos_order_line";
+import { Order, Orderline } from "@point_of_sale/app/store/models";
 import { patch } from "@web/core/utils/patch";
 import { ConfirmPopup } from "@point_of_sale/app/utils/confirm_popup/confirm_popup";
 import { ErrorPopup } from "@point_of_sale/app/errors/popups/error_popup";
@@ -9,38 +8,35 @@ import { _t } from "@web/core/l10n/translation";
 import { OrderReceipt } from "@point_of_sale/app/screens/receipt_screen/receipt/order_receipt";
 import { onError } from "@odoo/owl";
 
-PosOrderline.extraFields.push("is_quotation_line");
+patch(Order.prototype, {
+    setup() {
+        super.setup(...arguments);
+    },
 
-patch(PosStore.prototype, {
     async pay() {
-        const order = this.getOrder();
-        if (!order) {
-            return super.pay(...arguments);
-        }
-
         // Check if down payment product is in the cart
-        const downPaymentProductId = this.config.down_payment_product_id && this.config.down_payment_product_id[0];
+        const downPaymentProductId = this.pos.config.down_payment_product_id && this.pos.config.down_payment_product_id[0];
         if (!downPaymentProductId) {
             return super.pay(...arguments);
         }
 
-        const lines = order.lines;
+        const lines = this.get_orderlines();
         // Only consider it a "quotation creation" downpayment if it has a positive quantity and price.
         // If pos_sale adds it to deduct a downpayment, it will use negative qty or subtotal.
         const downPaymentLines = lines.filter(line =>
-            line.product_id.id === downPaymentProductId &&
-            line.qty > 0 &&
-            line.price_unit >= 0
+            line.product.id === downPaymentProductId &&
+            line.get_quantity() > 0 &&
+            line.get_unit_price() >= 0
         );
 
-        const standardLines = lines.filter(line => line.product_id.id !== downPaymentProductId);
+        const standardLines = lines.filter(line => line.product.id !== downPaymentProductId);
 
         // If there is a down payment, we require a customer and automatically
         // create a quotation without prompting.
         const needsQuotation = downPaymentLines.length > 0;
 
-        if (needsQuotation && !order.is_quotation_line_converted) {
-            if (!order.partner_id) {
+        if (needsQuotation && !this.is_quotation_line_converted) {
+            if (!this.get_partner()) {
                 await this.env.services.popup.add(ErrorPopup, {
                     title: _t("Customer Required"),
                     body: _t("Please select a customer before creating a quotation with a down payment."),
@@ -51,23 +47,23 @@ patch(PosStore.prototype, {
             try {
                 // Prepare data for backend
                 const linesData = standardLines.map(line => ({
-                    product_id: line.product_id.id,
-                    qty: line.qty,
-                    price_unit: line.price_unit,
-                    discount: line.discount,
-                    tax_ids: line.tax_ids ? line.tax_ids.map(t => t.id) : [],
+                    product_id: line.product.id,
+                    qty: line.get_quantity(),
+                    price_unit: line.get_unit_price(),
+                    discount: line.get_discount(),
+                    tax_ids: line.tax_ids || line.get_product().taxes_id || [],
                 }));
 
-                // Call backend to create sale.order
+                // Call backend to create sale.order (removed the first empty array for @api.model)
                 const saleOrderResult = await this.env.services.orm.call(
                     "pos.order",
                     "create_quotation_from_pos_lines",
-                    [order.partner_id.id, linesData, this.config.id]
+                    [this.get_partner().id, linesData, this.pos.config.id]
                 );
 
                 if (saleOrderResult) {
                     // Link the down payment line to the newly created sale order
-                    const dpLine = lines.find(line => line.product_id.id === downPaymentProductId);
+                    const dpLine = lines.find(line => line.product.id === downPaymentProductId);
                     if (dpLine) {
                         dpLine.sale_order_origin_id = {
                             id: saleOrderResult.id,
@@ -77,11 +73,11 @@ patch(PosStore.prototype, {
 
                     // Zero out the standard lines to not charge the customer twice
                     for (const line of standardLines) {
-                        line.setUnitPrice(0);
+                        line.set_unit_price(0);
                         // Set a flag to easily skip stock delivery later if needed
                         line.is_quotation_line = true;
                     }
-                    order.is_quotation_line_converted = true;
+                    this.is_quotation_line_converted = true;
                 } else {
                     await this.env.services.popup.add(ErrorPopup, {
                         title: _t("Error"),
@@ -103,20 +99,28 @@ patch(PosStore.prototype, {
 
     // Override preparation display / kitchen printing
     // If we have a down payment, we consider this a quote, not an immediate order for the kitchen
-    async sendOrderInPreparationUpdateLastChange(order, opts = {}) {
-        const downPaymentProductId = this.config.down_payment_product_id && this.config.down_payment_product_id[0];
+    async sendChanges(cancelled) {
+        const downPaymentProductId = this.pos.config.down_payment_product_id && this.pos.config.down_payment_product_id[0];
         // Only block if there's a positive down payment line (indicating quotation creation, not settlement)
-        if (downPaymentProductId && order.lines.some(line => line.product_id.id === downPaymentProductId && line.qty > 0 && line.price_unit > 0)) {
+        if (downPaymentProductId && this.get_orderlines().some(line => line.product.id === downPaymentProductId && line.get_quantity() > 0 && line.get_unit_price() > 0)) {
             // It's a quotation line, we don't send it to preparation display
-            order.noteHistory = {};
-            order.lines.forEach(line => {
-                if(line.uiState) {
-                    line.uiState.hasChange = false;
-                }
-            });
+            this.noteHistory = {};
+            this.orderlines.forEach(line => line.setHasChange(false));
             return true;
         }
-        return super.sendOrderInPreparationUpdateLastChange(...arguments);
+        return super.sendChanges(...arguments);
+    }
+});
+
+patch(Orderline.prototype, {
+    init_from_JSON(json) {
+        super.init_from_JSON(...arguments);
+        this.is_quotation_line = json.is_quotation_line || false;
+    },
+    export_as_JSON() {
+        const json = super.export_as_JSON(...arguments);
+        json.is_quotation_line = this.is_quotation_line || false;
+        return json;
     }
 });