[MIG] pos_payment_disable_multiselection: Migration to 17.0

Author: kopeyev

pos_payment_disable_multiselection/README.rst

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+================================================================
+Disabling multiple selection for the same Payment Method in POS
+================================================================
+
+* Prevents adding the same payment method multiple times in the POS Payment Screen
+
+* Automatically focuses the existing payment line if the user clicks the same payment method again
+
+* Cleans up the duplicated payment lines if they exist (e.g. when navigating back to cart and forth)
+
+* Improves UX by ensuring only one line per payment method is shown
+
+Usage
+-----
+
+* Open Main menu → Point of Sale → Start a session
+
+* Add products to cart and go to the Payment screen
+
+* Click the same payment method multiple times
+
+* RESULT: only one payment line is present for the selected method
+
+* If a payment method is already selected, clicking it again will simply focus the existing line
+
+Credits
+=======
+
+Contributors
+------------
+
+* `Almas Kopeyev <https://github.com/kopeyev>`__
+
+Maintainers
+-----------
+
+* `IT-Projects LLC <https://it-projects.info>`__

pos_payment_disable_multiselection/__init__.py

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+{
+    "name": "POS: disable multiple select for payment method",
+    "summary": "Prevent selecting the same payment method multiple times in POS",
+    "author": "Almas Kopeyev, IT-Projects LLC",
+    "version": "17.0.1.0.0",
+    "website": "https://github.com/it-projects-llc/pos-addons",
+    "depends": ["point_of_sale"],
+    "data": [],
+    "assets": {
+        "point_of_sale._assets_pos": [
+            "pos_payment_disable_multiselection/static/src/js/PaymentScreen.js",
+        ],
+    },
+    "license": "LGPL-3",
+}

pos_payment_disable_multiselection/__manifest__.py

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+[build-system]
+requires = ["whool"]
+build-backend = "whool.buildapi"

pos_payment_disable_multiselection/pyproject.toml

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+/** @odoo-module **/
+
+import {PaymentScreen} from "@point_of_sale/app/screens/payment_screen/payment_screen";
+import {patch} from "@web/core/utils/patch";
+
+patch(PaymentScreen.prototype, {
+    addNewPaymentLine(paymentMethod) {
+        const matchingLines = this.currentOrder
+            .get_paymentlines()
+            .filter((line) => line.payment_method.id === paymentMethod.id);
+
+        if (matchingLines.length > 0) {
+            // Delete all duplicate payment lines except the first
+            for (let i = 1; i < matchingLines.length; i++) {
+                this.deletePaymentLine(matchingLines[i].cid);
+            }
+            // Select the first line
+            this.selectPaymentLine(matchingLines[0].cid);
+            return true;
+        }
+        return super.addNewPaymentLine(paymentMethod);
+    },
+});