[ADD] sale_loyalty_discount_attribute

sale_loyalty_discount_attribute/README.rst

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+To be Generated

sale_loyalty_discount_attribute/__init__.py

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+# License AGPL-3.0 or later (https://www.gnu.org/licenses/agpl).
+from . import models

sale_loyalty_discount_attribute/__manifest__.py

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+# License AGPL-3.0 or later (https://www.gnu.org/licenses/agpl).
+{
+    "name": "Promotion Discounts on Selected Attributes",
+    "summary": "Allow attribute prices to not be subject to promotion discounts",
+    "version": "16.0.0.0.0",
+    "maintainers": ["diogocsc"],
+    "category": "Sales",
+    "author": "Open Source Integrators, Odoo Community Association (OCA)",
+    "license": "AGPL-3",
+    "application": False,
+    "installable": True,
+    "depends": ["sale_loyalty"],
+    "data": [
+        "views/loyalty_reward_views.xml"
+    ],
+}

sale_loyalty_discount_attribute/models/__init__.py

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+from . import loyalty_reward, sale_order
+

sale_loyalty_discount_attribute/models/loyalty_reward.py

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+# -*- coding: utf-8 -*-
+
+
+from odoo import _, api, fields, models
+
+
+class LoyaltyReward(models.Model):
+    _inherit = 'loyalty.reward'
+
+    limit_discounted_attributes = fields.Selection([
+        ('disabled', ''),
+        ('list_price', 'On List Price and Attributes'),
+        ('attributes', 'On Attributes Only')], default='disabled',
+    )
+    discount_attribute_ids = fields.Many2many('product.attribute', string="Discounted Attributes")

sale_loyalty_discount_attribute/models/sale_order.py

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+# -*- coding: utf-8 -*-
+# Part of Odoo. See LICENSE file for full copyright and licensing details.
+
+from odoo import api, fields, models, _
+
+
+class SaleOrder(models.Model):
+    _inherit = "sale.order"
+
+    def _get_reward_values_discount(self, reward, coupon, **kwargs):
+        # recalculates the reward discount
+        #
+        self.ensure_one()
+        res = super()._get_reward_values_discount(reward, coupon, **kwargs)
+        return_res = []
+        LoyaltyReward = self.env["loyalty.reward"]
+        for discount in res:
+            price_unit = discount.get("price_unit")
+            reward = LoyaltyReward.browse(discount.get("reward_id"))
+            discount_value = reward.discount/100  # implies that discount is a percentage
+            # if product has an attribute selected on the discount
+            reward_attributes = reward.discount_attribute_ids
+            reward_products = reward.discount_product_ids
+            # get the matching sale order lines for the current discount
+            so_lines = self.order_line.filtered(lambda sol: sol.product_id in reward_products)
+            if reward.limit_discounted_attributes != "disabled":
+                for value_line in so_lines.product_no_variant_attribute_value_ids:
+                    if value_line.attribute_id not in reward_attributes:
+                        price_unit += value_line.price_extra * discount_value
+                # if limit discounted attributes is set to attributes,
+                # sales list price should not be considered for discount as well
+                # and is counted as many times as the product repeats itself in the lines
+                if reward.limit_discounted_attributes == "attributes":
+                    price_unit += so_lines.product_id.list_price * len(so_lines) * discount_value
+                discount.update({"price_unit": price_unit})
+            return_res.append(discount)
+
+        return return_res
+
+
+
+

sale_loyalty_discount_attribute/readme/CONTRIBUTORS.rst

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+* Diogo Cordeiro <[email protected]>
+* Daniel Reis <[email protected]>

sale_loyalty_discount_attribute/readme/DESCRIPTION.rst

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+When applying promotion discounts, there may be the discount should not apply if the prices of some of the extra options are selected.
+This feature allows to enable this on the promotion setup, and identify the product Variant Attributes to consider or ignore.

sale_loyalty_discount_attribute/readme/USAGE.rst

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+On the Discount & Loyalty form, in the Rewards popup screen, a "Limit Discounted Attributes" selection list enables this feature.
+Options are: empty (disabled), "On List Price and Attributes", or "On Attributes Only".
+This makes available a "Discounted Attributes" field, to select zero or more Attributes that will have the discount applied.
+

sale_loyalty_discount_attribute/views/loyalty_reward_views.xml

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+<?xml version="1.0" encoding="utf-8" ?>
+<odoo>
+    <record id="loyalty_reward_form_view_inherit" model="ir.ui.view">
+        <field name="name">loyalty.reward.form.view.inherit</field>
+        <field name="model">loyalty.reward</field>
+        <field name="inherit_id" ref="loyalty.loyalty_reward_view_form" />
+        <field name="arch" type="xml">
+            <field name="discount_product_ids" position="after">
+                <field name="limit_discounted_attributes" attrs="{'invisible': [('discount_applicability', '!=', 'specific')]}"/>
+                <field name="discount_attribute_ids" widget="many2many_tags" attrs="{'invisible': [('limit_discounted_attributes', '=', 'disabled')]}"/>
+            </field>
+        </field>
+    </record>
+</odoo>