[IMP] base_global_discount: Add check global discount in product

base_global_discount/__manifest__.py

@@ -13,6 +13,7 @@
         "security/security.xml",
         "security/ir.model.access.csv",
         "views/global_discount_views.xml",
+        "views/product_view.xml",
         "views/res_partner_views.xml",
     ],
     "application": False,

base_global_discount/models/__init__.py

@@ -1,2 +1,4 @@
 from . import global_discount
+from . import product_product
+from . import product_template
 from . import res_partner

base_global_discount/models/product_product.py

@@ -0,0 +1,14 @@
+# Copyright 2023 Studio73 - Rafa Ferri <rafa.ferri@studio73.es>
+# License LGPL-3.0 or later (http://www.gnu.org/licenses/lgpl).
+
+from odoo import fields, models
+
+
+class ProductProduct(models.Model):
+    _inherit = "product.product"
+
+    not_apply_global_discount = fields.Boolean(
+        string="Don't apply global discount",
+        help="If this checkbox is ticked, it means changing global discount on sale order "
+        "won't impact sale order lines with this related product.",
+    )

base_global_discount/models/product_template.py

@@ -0,0 +1,38 @@
+# Copyright 2023 Studio73 - Rafa Ferri <rafa.ferri@studio73.es>
+# License LGPL-3.0 or later (http://www.gnu.org/licenses/lgpl).
+
+from odoo import api, fields, models
+
+
+class ProductTemplate(models.Model):
+    _inherit = "product.template"
+
+    not_apply_global_discount = fields.Boolean(
+        string="Don't apply global discount",
+        search="_search_not_apply_discount_apply",
+        compute="_compute_apply_discount_apply",
+        inverse="_inverse_apply_discount_apply",
+        help="If this checkbox is not ticked, it means changing global discount on sale order "
+        "won't impact sale order lines with this related product.",
+    )
+
+    def _search_not_apply_discount_apply(self, operator, value):
+        templates = self.with_context(active_test=False).search(
+            [("product_variant_ids.not_apply_global_discount", operator, value)]
+        )
+        return [("id", "in", templates.ids)]
+
+    @api.depends("product_variant_ids.not_apply_global_discount")
+    def _compute_apply_discount_apply(self):
+        self.not_apply_global_discount = True
+        for template in self:
+            if len(template.product_variant_ids) == 1:
+                template.not_apply_global_discount = (
+                    template.product_variant_ids.not_apply_global_discount
+                )
+
+    def _inverse_apply_discount_apply(self):
+        if len(self.product_variant_ids) == 1:
+            self.product_variant_ids.not_apply_global_discount = (
+                self.not_apply_global_discount
+            )

base_global_discount/views/product_view.xml

@@ -0,0 +1,29 @@
+<?xml version="1.0" encoding="utf-8" ?>
+<odoo>
+    <record id="product_normal_form_view" model="ir.ui.view">
+        <field name="name">product.only.form</field>
+        <field name="model">product.product</field>
+        <field name="priority" eval="16" />
+        <field name="inherit_id" ref="product.product_normal_form_view" />
+        <field name="arch" type="xml">
+            <xpath expr="//group[@name='group_standard_price']" position="inside">
+                <field name="not_apply_global_discount" />
+            </xpath>
+        </field>
+    </record>
+    <record id="product_template_only_form_view" model="ir.ui.view">
+        <field name="name">product.template.only.form</field>
+        <field name="model">product.template</field>
+        <field name="priority" eval="24" />
+        <field name="inherit_id" ref="product.product_template_only_form_view" />
+        <field name="arch" type="xml">
+            <xpath expr="//group[@name='group_standard_price']" position="inside">
+                <field
+                    name="not_apply_global_discount"
+                    invisible="product_variant_count > 1"
+                />
+            </xpath>
+        </field>
+    </record>
+
+</odoo>