[18.0][IMP] sale_product_pack: improve ergonomy for the user experience

 - Convert the component lines unlink exception in JS
 - Also remove component lines in JS when a product pack is removed

Author: StephaneMangin

sale_product_pack/README.rst

@@ -1,7 +1,3 @@
-.. image:: https://odoo-community.org/readme-banner-image
-   :target: https://odoo-community.org/get-involved?utm_source=readme
-   :alt: Odoo Community Association
-
 =================
 Sale Product Pack
 =================
@@ -17,7 +13,7 @@ Sale Product Pack
 .. |badge1| image:: https://img.shields.io/badge/maturity-Beta-yellow.png
     :target: https://odoo-community.org/page/development-status
     :alt: Beta
-.. |badge2| image:: https://img.shields.io/badge/license-AGPL--3-blue.png
+.. |badge2| image:: https://img.shields.io/badge/licence-AGPL--3-blue.png
     :target: http://www.gnu.org/licenses/agpl-3.0-standalone.html
     :alt: License: AGPL-3
 .. |badge3| image:: https://img.shields.io/badge/github-OCA%2Fproduct--pack-lightgray.png?logo=github
@@ -88,6 +84,7 @@ Authors
 * NaN·tic
 * ADHOC SA
 * Tecnativa
+* ACSONE SA/NV
 
 Contributors
 ------------
@@ -108,6 +105,7 @@ Contributors
 - `Acsone <https://www.acsone.eu/>`__:
 
   - Maxime Franco
+  - Stéphane Mangin <stephane.mangin@acsone.eu>
 
 - `ADHOC SA <https://www.adhoc.com.ar>`__:
 

sale_product_pack/__manifest__.py

@@ -1,12 +1,14 @@
 # Copyright 2019 NaN (http://www.nan-tic.com) - Àngel Àlvarez
+# Copyright 2026 ACSONE SA/NV (<http://acsone.eu>)
 # License AGPL-3.0 or later (https://www.gnu.org/licenses/agpl).
 {
     "name": "Sale Product Pack",
-    "version": "18.0.1.0.2",
+    "version": "18.0.1.1.0",
     "category": "Sales",
     "summary": "This module allows you to sell product packs",
     "website": "https://github.com/OCA/product-pack",
-    "author": "NaN·tic, ADHOC SA, Tecnativa, Odoo Community Association (OCA)",
+    "author": "NaN·tic, ADHOC SA, Tecnativa, ACSONE SA/NV,"
+    " Odoo Community Association (OCA)",
     "maintainers": ["victoralmau"],
     "license": "AGPL-3",
     "depends": ["product_pack", "sale"],
@@ -15,5 +17,10 @@
         "demo/product_pack_line_demo.xml",
         "demo/sale_pack_demo.xml",
     ],
+    "assets": {
+        "web.assets_backend": [
+            "sale_product_pack/static/src/js/**/*.js",
+        ],
+    },
     "installable": True,
 }

sale_product_pack/models/sale_order.py

@@ -1,7 +1,6 @@
 # Copyright 2019 Tecnativa - Ernesto Tejeda
 # License AGPL-3.0 or later (http://www.gnu.org/licenses/agpl.html).
-from odoo import _, api, models
-from odoo.exceptions import UserError
+from odoo import models
 
 
 class SaleOrder(models.Model):
@@ -13,31 +12,9 @@ def copy(self, default=None):
         pack_copied_lines = sale_copy.order_line.filtered(
             lambda line: line.pack_parent_line_id.order_id == self
         )
-        pack_copied_lines.unlink()
+        pack_copied_lines.with_context(pack_children_force_unlink=True).unlink()
         return sale_copy
 
-    @api.onchange("order_line")
-    def check_pack_line_unlink(self):
-        """At least on embeded tree editable view odoo returns a recordset on
-        _origin.order_line only when lines are unlinked and this is exactly
-        what we need
-        """
-        origin_line_ids = self._origin.order_line.ids
-        line_ids = self.order_line.ids
-        removed_line_ids = list(set(origin_line_ids) - set(line_ids))
-        removed_line = self.env["sale.order.line"].browse(removed_line_ids)
-        if removed_line.filtered(
-            lambda x: x.pack_parent_line_id
-            and not x.pack_parent_line_id.product_id.pack_modifiable
-        ):
-            raise UserError(
-                _(
-                    "You cannot delete this line because is part of a pack in"
-                    " this sale order. In order to delete this line you need to"
-                    " delete the pack itself"
-                )
-            )
-
     def write(self, vals):
         if "order_line" in vals:
             to_delete_ids = [e[1] for e in vals["order_line"] if e[0] == 2]

sale_product_pack/models/sale_order_line.py

@@ -4,6 +4,16 @@
 from odoo.exceptions import UserError
 from odoo.fields import first
 
+IMMUTABLE_CHILD_FIELDS = [
+    "product_id",
+    "product_uom_qty",
+    "product_uom",
+    "price_unit",
+    "discount",
+    "name",
+    "tax_id",
+]
+
 
 class SaleOrderLine(models.Model):
     _inherit = "sale.order.line"
@@ -100,15 +110,28 @@ def write(self, vals):
                 record.expand_pack_line(write=True)
         return res
 
-    @api.onchange(
-        "product_id",
-        "product_uom_qty",
-        "product_uom",
-        "price_unit",
-        "discount",
-        "name",
-        "tax_id",
-    )
+    def unlink(self):
+        # Avoid removing of a component line if the parent line is not also being
+        # removed and the pack is not modifiable
+        forcing_context = self.env.context.get("pack_children_force_unlink", False)
+        if not forcing_context and self.filtered(
+            lambda x: x.pack_parent_line_id
+            and (
+                x.pack_parent_line_id not in self
+                or x.pack_parent_line_id in x.order_id.order_line
+            )
+            and not x.pack_parent_line_id.product_id.pack_modifiable
+        ):
+            raise UserError(
+                _(
+                    "You cannot delete this line because is part of a pack in"
+                    " this sale order. In order to delete this line you need to"
+                    " delete the pack itself"
+                )
+            )
+        return super().unlink()
+
+    @api.onchange(*IMMUTABLE_CHILD_FIELDS)
     def check_pack_line_modify(self):
         """Do not let to edit a sale order line if this one belongs to pack"""
         if self._origin.pack_parent_line_id and not self._origin.pack_modifiable:

sale_product_pack/readme/CONTRIBUTORS.md

@@ -7,6 +7,7 @@
   - Daniel Reis \<<dreis@opensourceintegrators.com>\>
 - [Acsone](https://www.acsone.eu/):
   - Maxime Franco
+  - Stéphane Mangin \<<stephane.mangin@acsone.eu>\>
 - [ADHOC SA](https://www.adhoc.com.ar):
   - Bruno Zanotti
   - Augusto Weiss

sale_product_pack/static/description/index.html

@@ -3,7 +3,7 @@
 <head>
 <meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
 <meta name="generator" content="Docutils: https://docutils.sourceforge.io/" />
-<title>README.rst</title>
+<title>Sale Product Pack</title>
 <style type="text/css">
 
 /*
@@ -360,21 +360,16 @@
 </style>
 </head>
 <body>
-<div class="document">
+<div class="document" id="sale-product-pack">
+<h1 class="title">Sale Product Pack</h1>
 
-
-<a class="reference external image-reference" href="https://odoo-community.org/get-involved?utm_source=readme">
-<img alt="Odoo Community Association" src="https://odoo-community.org/readme-banner-image" />
-</a>
-<div class="section" id="sale-product-pack">
-<h1>Sale Product Pack</h1>
 <!-- !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
 !! This file is generated by oca-gen-addon-readme !!
 !! changes will be overwritten.                   !!
 !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
 !! source digest: sha256:d0034cc2b56fe98dabcd701ddded4a3adc81775fbf8857041c8b9ebd13eeb6ad
 !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!! -->
-<p><a class="reference external image-reference" href="https://odoo-community.org/page/development-status"><img alt="Beta" src="https://img.shields.io/badge/maturity-Beta-yellow.png" /></a> <a class="reference external image-reference" href="http://www.gnu.org/licenses/agpl-3.0-standalone.html"><img alt="License: AGPL-3" src="https://img.shields.io/badge/license-AGPL--3-blue.png" /></a> <a class="reference external image-reference" href="https://github.com/OCA/product-pack/tree/18.0/sale_product_pack"><img alt="OCA/product-pack" src="https://img.shields.io/badge/github-OCA%2Fproduct--pack-lightgray.png?logo=github" /></a> <a class="reference external image-reference" href="https://translation.odoo-community.org/projects/product-pack-18-0/product-pack-18-0-sale_product_pack"><img alt="Translate me on Weblate" src="https://img.shields.io/badge/weblate-Translate%20me-F47D42.png" /></a> <a class="reference external image-reference" href="https://runboat.odoo-community.org/builds?repo=OCA/product-pack&amp;target_branch=18.0"><img alt="Try me on Runboat" src="https://img.shields.io/badge/runboat-Try%20me-875A7B.png" /></a></p>
+<p><a class="reference external image-reference" href="https://odoo-community.org/page/development-status"><img alt="Beta" src="https://img.shields.io/badge/maturity-Beta-yellow.png" /></a> <a class="reference external image-reference" href="http://www.gnu.org/licenses/agpl-3.0-standalone.html"><img alt="License: AGPL-3" src="https://img.shields.io/badge/licence-AGPL--3-blue.png" /></a> <a class="reference external image-reference" href="https://github.com/OCA/product-pack/tree/18.0/sale_product_pack"><img alt="OCA/product-pack" src="https://img.shields.io/badge/github-OCA%2Fproduct--pack-lightgray.png?logo=github" /></a> <a class="reference external image-reference" href="https://translation.odoo-community.org/projects/product-pack-18-0/product-pack-18-0-sale_product_pack"><img alt="Translate me on Weblate" src="https://img.shields.io/badge/weblate-Translate%20me-F47D42.png" /></a> <a class="reference external image-reference" href="https://runboat.odoo-community.org/builds?repo=OCA/product-pack&amp;target_branch=18.0"><img alt="Try me on Runboat" src="https://img.shields.io/badge/runboat-Try%20me-875A7B.png" /></a></p>
 <p>This module adds <em>Product Pack</em> functionality to sales orders. You can
 choose a <em>Pack</em> in <em>sales order lines</em> and see different behaviors
 depending on “Pack type” and “Pack component price” fields options
@@ -394,7 +389,7 @@ <h1>Sale Product Pack</h1>
 </ul>
 </div>
 <div class="section" id="usage">
-<h2><a class="toc-backref" href="#toc-entry-1">Usage</a></h2>
+<h1><a class="toc-backref" href="#toc-entry-1">Usage</a></h1>
 <p>To use this module, you need to:</p>
 <ol class="arabic simple">
 <li>Go to <em>Sales &gt; Products &gt; Products</em>, create or select a product and
@@ -412,7 +407,7 @@ <h2><a class="toc-backref" href="#toc-entry-1">Usage</a></h2>
 </ol>
 </div>
 <div class="section" id="known-issues-roadmap">
-<h2><a class="toc-backref" href="#toc-entry-2">Known issues / Roadmap</a></h2>
+<h1><a class="toc-backref" href="#toc-entry-2">Known issues / Roadmap</a></h1>
 <ul class="simple">
 <li>If this module is installed and stock module is installed too, when
 you create a Sale order for a <em>Non detailed</em> Pack and you confirm it,
@@ -422,25 +417,26 @@ <h2><a class="toc-backref" href="#toc-entry-2">Known issues / Roadmap</a></h2>
 </ul>
 </div>
 <div class="section" id="bug-tracker">
-<h2><a class="toc-backref" href="#toc-entry-3">Bug Tracker</a></h2>
+<h1><a class="toc-backref" href="#toc-entry-3">Bug Tracker</a></h1>
 <p>Bugs are tracked on <a class="reference external" href="https://github.com/OCA/product-pack/issues">GitHub Issues</a>.
 In case of trouble, please check there if your issue has already been reported.
 If you spotted it first, help us to smash it by providing a detailed and welcomed
 <a class="reference external" href="https://github.com/OCA/product-pack/issues/new?body=module:%20sale_product_pack%0Aversion:%2018.0%0A%0A**Steps%20to%20reproduce**%0A-%20...%0A%0A**Current%20behavior**%0A%0A**Expected%20behavior**">feedback</a>.</p>
 <p>Do not contact contributors directly about support or help with technical issues.</p>
 </div>
 <div class="section" id="credits">
-<h2><a class="toc-backref" href="#toc-entry-4">Credits</a></h2>
+<h1><a class="toc-backref" href="#toc-entry-4">Credits</a></h1>
 <div class="section" id="authors">
-<h3><a class="toc-backref" href="#toc-entry-5">Authors</a></h3>
+<h2><a class="toc-backref" href="#toc-entry-5">Authors</a></h2>
 <ul class="simple">
 <li>NaN·tic</li>
 <li>ADHOC SA</li>
 <li>Tecnativa</li>
+<li>ACSONE SA/NV</li>
 </ul>
 </div>
 <div class="section" id="contributors">
-<h3><a class="toc-backref" href="#toc-entry-6">Contributors</a></h3>
+<h2><a class="toc-backref" href="#toc-entry-6">Contributors</a></h2>
 <ul class="simple">
 <li><a class="reference external" href="https://www.tecnativa.com">Tecnativa</a>:<ul>
 <li>Ernesto Tejeda</li>
@@ -457,6 +453,7 @@ <h3><a class="toc-backref" href="#toc-entry-6">Contributors</a></h3>
 </li>
 <li><a class="reference external" href="https://www.acsone.eu/">Acsone</a>:<ul>
 <li>Maxime Franco</li>
+<li>Stéphane Mangin &lt;<a class="reference external" href="mailto:stephane.mangin&#64;acsone.eu">stephane.mangin&#64;acsone.eu</a>&gt;</li>
 </ul>
 </li>
 <li><a class="reference external" href="https://www.adhoc.com.ar">ADHOC SA</a>:<ul>
@@ -468,7 +465,7 @@ <h3><a class="toc-backref" href="#toc-entry-6">Contributors</a></h3>
 </ul>
 </div>
 <div class="section" id="maintainers">
-<h3><a class="toc-backref" href="#toc-entry-7">Maintainers</a></h3>
+<h2><a class="toc-backref" href="#toc-entry-7">Maintainers</a></h2>
 <p>This module is maintained by the OCA.</p>
 <a class="reference external image-reference" href="https://odoo-community.org">
 <img alt="Odoo Community Association" src="https://odoo-community.org/logo.png" />
@@ -483,6 +480,5 @@ <h3><a class="toc-backref" href="#toc-entry-7">Maintainers</a></h3>
 </div>
 </div>
 </div>
-</div>
 </body>
 </html>

sale_product_pack/static/src/js/sale_order_line.esm.js

@@ -0,0 +1,68 @@
+/* Copyright 2026 ACSONE SA/NV */
+import {AlertDialog} from "@web/core/confirmation_dialog/confirmation_dialog";
+import {_t} from "@web/core/l10n/translation";
+import {patch} from "@web/core/utils/patch";
+import {StaticList} from "@web/model/relational_model/static_list";
+
+patch(StaticList.prototype, {
+    _canBeDeleted(record) {
+        return (
+            record.resModel === "sale.order.line" &&
+            record.data.pack_parent_line_id &&
+            !record.data.pack_modifiable
+        );
+    },
+
+    _alertNotUnlinkable(isMultiple = false) {
+        const body = isMultiple
+            ? _t(
+                  "Cannot delete these lines because they are part of a non-modifiable pack."
+              )
+            : _t(
+                  "Cannot delete this line because it is part of a pack. Delete the pack itself."
+              );
+
+        this.model.env.services.dialog.add(AlertDialog, {
+            title: _t("Deletion not allowed"),
+            body: body,
+        });
+    },
+
+    _deleteChildRecord(record) {
+        // Find and delete all child lines that belong to this pack parent
+        const childLines = this.records.filter(
+            (r) =>
+                r.data.pack_parent_line_id &&
+                r.data.pack_parent_line_id[0] === record.resId
+        );
+        for (const childLine of childLines) {
+            super.delete.call(this, childLine);
+        }
+    },
+
+    _deleteChildRecords(records) {
+        for (const record of records) {
+            this._deleteChildRecord(record);
+        }
+    },
+
+    async delete(record) {
+        if (this._canBeDeleted(record)) {
+            this._alertNotUnlinkable(false);
+            return;
+        }
+        /* If authorized anf if this record is a packed product line, also delete existing child lines */
+        this._deleteChildRecord(record);
+        return super.delete(...arguments);
+    },
+
+    async deleteRecords(records) {
+        if (records.some((record) => this._canBeDeleted(record))) {
+            this._alertNotUnlinkable(true);
+            return;
+        }
+        /* If authorized and if some of these records are packed product lines, also delete existing child lines */
+        this._deleteChildRecords(records);
+        return super.deleteRecords(...arguments);
+    },
+});

sale_product_pack/tests/__init__.py

@@ -1,3 +1,4 @@
 # License AGPL-3.0 or later (http://www.gnu.org/licenses/agpl.html).
 
 from . import test_sale_product_pack
+from . import test_sale_order