[ADD] sale_ux: restrict UoM selection to packagings only

sale_ux/__manifest__.py

@@ -19,7 +19,7 @@
 ##############################################################################
 {
     "name": "Sale UX",
-    "version": "19.0.1.1.0",
+    "version": "19.0.1.2.0",
     "category": "Sales",
     "sequence": 14,
     "summary": "",
@@ -45,9 +45,15 @@
         "views/res_partner_view.xml",
         "views/res_config_settings_views.xml",
         "views/account_fiscal_position_views.xml",
+        "views/product_template_views.xml",
         "data/ir_config_parameter_data.xml",
         "data/ir_cron.xml",
     ],
+    "assets": {
+        "web.assets_backend": [
+            "sale_ux/static/src/js/sale_product_field.js",
+        ],
+    },
     "demo": [],
     "installable": True,
     "auto_install": False,

sale_ux/models/__init__.py

@@ -8,6 +8,7 @@
 from . import analytic_account
 from . import res_config_settings
 from . import product_product
+from . import product_template
 from . import account_fiscal_position
 from . import res_partner
 from . import crm_team

sale_ux/models/product_template.py

@@ -0,0 +1,25 @@
+##############################################################################
+# For copyright and license notices, see __manifest__.py file in module root
+# directory
+##############################################################################
+import logging
+
+from odoo import fields, models
+
+_logger = logging.getLogger(__name__)
+
+
+class ProductTemplate(models.Model):
+    _inherit = "product.template"
+
+    only_packagings = fields.Boolean(
+        default=False,
+        help="Indicates that this product is only used as packaging and does not use units.",
+    )
+
+    def _get_available_uoms(self):
+        self.ensure_one()
+        res = super()._get_available_uoms()
+        if self.only_packagings:
+            return self.uom_ids
+        return res

sale_ux/models/sale_order.py

@@ -297,3 +297,11 @@ def write(self, vals):
                     )
                 )
         return super().write(vals)
+
+    def _get_product_catalog_order_data(self, products, **kwargs):
+        """Override to use packaging UoM when only_packagings is set"""
+        res = super()._get_product_catalog_order_data(products, **kwargs)
+        for product in products:
+            if product.product_tmpl_id.only_packagings and product.uom_ids:
+                res[product.id]["uomDisplayName"] = product.uom_ids[0].display_name
+        return res

sale_ux/models/sale_order_line.py

@@ -58,3 +58,30 @@ def _compute_discount(self):
             and not (x.order_id.pricelist_id and x.pricelist_item_id._show_discount())
         )
         super(SaleOrderLine, self - lines)._compute_discount()
+
+    def _compute_product_uom_id(self):
+        """Override to respect only_packagings configuration"""
+        for line in self:
+            if line.product_id.product_tmpl_id.only_packagings and line.product_id.uom_ids:
+                if line.product_uom_id and line.product_uom_id in line.product_id.uom_ids:
+                    continue
+                line.product_uom_id = line.product_id.uom_ids[0]
+            else:
+                super()._compute_product_uom_id()
+
+    @api.depends("product_template_id.only_packagings")
+    def _compute_allowed_uom_ids(self):
+        lines = self.filtered(lambda x: x.product_id.product_tmpl_id.only_packagings)
+        for line in lines:
+            line.allowed_uom_ids = line.product_id.uom_ids
+        super(SaleOrderLine, self - lines)._compute_allowed_uom_ids()
+
+    def _get_product_catalog_lines_data(self, **kwargs):
+        res = super()._get_product_catalog_lines_data(**kwargs)
+        if (
+            len(self) == 1
+            and self.product_id.product_tmpl_id.only_packagings
+            and self.product_uom_id in self.product_id.uom_ids
+        ):
+            res["uomDisplayName"] = self.product_uom_id.display_name
+        return res

sale_ux/static/src/js/sale_product_field.js

@@ -0,0 +1,26 @@
+/** @odoo-module **/
+
+import { SaleOrderLineProductField } from '@sale/js/sale_product_field';
+import { patch } from '@web/core/utils/patch';
+
+patch(SaleOrderLineProductField. prototype, {
+    /**
+     * Override to set first packaging as default UoM when only_packagings is True
+     */
+    async _openProductConfigurator(edit = false, selectedComboItems = []) {
+        const saleOrderLine = this.props.record.data;
+        if (saleOrderLine.product_template_id && !edit) {
+            const productTemplate = await this.orm.read(
+                'product.template',
+                [saleOrderLine.product_template_id.id],
+                ['only_packagings', 'uom_ids']
+            );
+            if (productTemplate[0].only_packagings && productTemplate[0].uom_ids.length > 0) {
+                await this.props.record.update({
+                    product_uom_id: { id: productTemplate[0].uom_ids[0] }
+                });
+            }
+        }
+        return super._openProductConfigurator(edit, selectedComboItems);
+    },
+});

sale_ux/views/product_template_views.xml

@@ -0,0 +1,14 @@
+<?xml version="1.0"?>
+<odoo>
+    <record id="product_template_form_view" model="ir.ui.view">
+        <field name="name">sale_ux.product.form</field>
+        <field name="model">product.template</field>
+        <field name="inherit_id" ref="product.product_template_form_view"/>
+        <field name="priority">30</field>
+        <field name="arch" type="xml">
+            <field name="uom_ids" position="after">
+                <field name="only_packagings"/>
+            </field>
+        </field>
+    </record>
+</odoo>