[ADD] sale_product_pack_three_discounts: new module

sale_product_pack_three_discount/README.rst

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+.. |company| replace:: ADHOC SA
+
+.. |company_logo| image:: https://raw.githubusercontent.com/ingadhoc/maintainer-tools/master/resources/adhoc-logo.png
+   :alt: ADHOC SA
+   :target: https://www.adhoc.com.ar
+
+.. |icon| image:: https://raw.githubusercontent.com/ingadhoc/maintainer-tools/master/resources/adhoc-icon.png
+
+.. image:: https://img.shields.io/badge/license-AGPL--3-blue.png
+   :target: https://www.gnu.org/licenses/agpl
+   :alt: License: AGPL-3
+
+=================================
+Sale Product Pack Three Discounts
+=================================
+
+Fix handling of discounts between sale_three_discounts and sale_product_pack modules
+
+Installation
+============
+
+To install this module, you need to:
+
+#. Only need to install the module.
+
+Configuration
+=============
+
+To configure this module, you need to:
+
+#. Nothing to configure
+
+Usage
+=====
+
+To use this module, you need to:
+
+#. Before printing a quotation, it checks that the partner limit not exceeded.
+
+.. image:: https://odoo-community.org/website/image/ir.attachment/5784_f2813bd/datas
+   :alt: Try me on Runbot
+   :target: http://runbot.adhoc.com.ar/
+
+Bug Tracker
+===========
+
+Bugs are tracked on `GitHub Issues
+<https://github.com/ingadhoc/sale/issues>`_. In case of trouble, please
+check there if your issue has already been reported. If you spotted it first,
+help us smashing it by providing a detailed and welcomed feedback.
+
+Credits
+=======
+
+Images
+------
+
+* |company| |icon|
+
+Contributors
+------------
+
+Maintainer
+----------
+
+|company_logo|
+
+This module is maintained by the |company|.
+
+To contribute to this module, please visit https://www.adhoc.com.ar.

sale_product_pack_three_discount/__init__.py

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+##############################################################################
+# For copyright and license notices, see __manifest__.py file in module root
+# directory
+##############################################################################
+from . import models

sale_product_pack_three_discount/__manifest__.py

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+##############################################################################
+#
+#    Copyright (C) 2015  ADHOC SA  (http://www.adhoc.com.ar)
+#    All Rights Reserved.
+#
+#    This program is free software: you can redistribute it and/or modify
+#    it under the terms of the GNU Affero General Public License as
+#    published by the Free Software Foundation, either version 3 of the
+#    License, or (at your option) any later version.
+#
+#    This program is distributed in the hope that it will be useful,
+#    but WITHOUT ANY WARRANTY; without even the implied warranty of
+#    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+#    GNU Affero General Public License for more details.
+#
+#    You should have received a copy of the GNU Affero General Public License
+#    along with this program.  If not, see <http://www.gnu.org/licenses/>.
+#
+##############################################################################
+{
+    'name': 'Sale Product Pack Three Discount',
+    'version': "18.0.1.0.0",
+    'author': 'ADHOC SA',
+    'website': 'www.adhoc.com.ar',
+    'license': 'AGPL-3',
+    'depends': [
+        'sale_product_pack',
+        'sale_three_discounts'
+    ],
+    'data': [
+    ],
+    'demo': [
+    ],
+    'installable': True,
+    'auto_install': True,
+    'application': False,
+}

sale_product_pack_three_discount/models/__init__.py

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+##############################################################################
+# For copyright and license notices, see __manifest__.py file in module root
+# directory
+##############################################################################
+from . import sale_order_line

sale_product_pack_three_discount/models/sale_order_line.py

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+##############################################################################
+# For copyright and license notices, see __manifest__.py file in module root
+# directory
+##############################################################################
+from odoo import models, fields, api
+
+
+class SaleOrder(models.Model):
+    _inherit = "sale.order.line"
+
+    @api.depends("product_id", "product_uom", "product_uom_qty")
+    def _compute_discount(self):
+        res = super()._compute_discount()
+        for pack_line in self.filtered("pack_parent_line_id"):
+            pack_line.discount = pack_line._get_pack_line_discount()
+        return res