[ADD] sale_gathering_index: add new sale gathering module with index

sale_gathering_index/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 Gathering Index
+====================
+
+#.
+
+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:
+
+#. Just use.
+
+.. 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_gathering_index/__init__.py

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

sale_gathering_index/__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 Gathering Index',
+    'version': "16.0.1.0.0",
+    'category': 'Sales & Stock',
+    'sequence': 14,
+    'summary': '',
+    'author': 'ADHOC SA',
+    'website': 'www.adhoc.com.ar',
+    'license': 'AGPL-3',
+    'images': [
+    ],
+    'depends': [
+        'sale_gathering'
+    ],
+    'data': [
+        'views/sale_order_views.xml'
+    ],
+    'demo': [
+    ],
+    'installable': True,
+    'auto_install': False,
+    'application': False,
+}

sale_gathering_index/i18n/es_AR.po

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+# Translation of Odoo Server.
+# This file contains the translation of the following modules:
+# 	* sale_gathering_index
+#
+msgid ""
+msgstr ""
+"Project-Id-Version: Odoo Server 16.0+e\n"
+"Report-Msgid-Bugs-To: \n"
+"POT-Creation-Date: 2024-01-03 14:16+0000\n"
+"PO-Revision-Date: 2024-01-03 14:16+0000\n"
+"Last-Translator: \n"
+"Language-Team: \n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: \n"
+"Plural-Forms: \n"
+
+#. module: sale_gathering_index
+#: model:ir.model.fields,field_description:sale_gathering_index.field_sale_order__gathering_balance_indexed
+msgid "Gathering Balance Indexed"
+msgstr "Balance de acopio indexado"
+
+#. module: sale_gathering_index
+#: model:ir.model.fields,field_description:sale_gathering_index.field_sale_order__index
+msgid "Index"
+msgstr "Índice"
+
+#. module: sale_gathering_index
+#: model:ir.model,name:sale_gathering_index.model_sale_order
+msgid "Sales Order"
+msgstr "Pedido de venta"
+
+#. module: sale_gathering_index
+#: model:ir.model,name:sale_gathering_index.model_sale_order_line
+msgid "Sales Order Line"
+msgstr "Línea de pedido de venta"
+
+#. module: sale_gathering_index
+#. odoo-python
+#: code:addons/sale_gathering_index/models/sale_order_line.py:0
+#, python-format
+msgid ""
+"You can't add an already gathered product more than once. Please modify the "
+"quantity of the existing line."
+msgstr "No puedes agregar un producto de acopio más de una vez. Por favor modifique el la cantidad de la línea existente."
+
+#. module: sale_gathering_index
+#. odoo-python
+#: code:addons/sale_gathering_index/models/sale_order_line.py:0
+#, python-format
+msgid ""
+"You can't modify the quantity of an added product. Please add a new line."
+msgstr "No puedes modificar la cantidad de un producto agregado. Por favor agregar una nueva línea."

sale_gathering_index/models/__init__.py

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

sale_gathering_index/models/sale_order.py

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+from odoo import models, fields, api
+
+
+class SaleOrder(models.Model):
+    _inherit = 'sale.order'
+
+    index = fields.Float('Index', compute="_compute_index")
+    gathering_balance_indexed = fields.Float(
+        compute="_compute_gathering_balance_indexed",
+        digits='Product Price',
+    )
+
+    @api.depends('order_line.product_template_id.list_price')
+    def _compute_index(self):
+        for order in self:
+            if order.is_gathering:
+                order_lines_gathered = order.order_line.filtered(lambda x: x.initial_qty_gathered > 0)
+
+                if not order_lines_gathered:
+                    order.index = 0.0
+                    continue
+
+                qty = sum(order_lines_gathered.mapped('initial_qty_gathered'))
+
+                index = sum(
+                    (line.product_template_id.list_price - line.price_unit) / line.price_unit * (line.initial_qty_gathered / qty)
+                    for line in order_lines_gathered
+                )
+
+                order.index = index
+            else:
+                order.index = 0.0
+
+    @api.depends('gathering_balance', 'index')
+    def _compute_gathering_balance_indexed(self):
+        self.gathering_balance_indexed = self.gathering_balance * (self.index + 1)

sale_gathering_index/models/sale_order_line.py

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+from odoo import models, api, _
+from odoo.exceptions import UserError
+
+
+class SaleOrderLine(models.Model):
+    _inherit = 'sale.order.line'
+
+    @api.model_create_multi
+    def create(self, vals_list):
+        order_id = vals_list[0].get('order_id') if vals_list else False
+        if (
+            order_id
+            and self.env['sale.order'].browse(order_id).is_gathering
+            and self.env['sale.order'].browse(order_id).state == 'sale'
+        ):
+            existing_product_ids = set(self.env['sale.order.line'].search([
+                ('order_id', '=', order_id),
+                ('initial_qty_gathered', '>', 0)
+            ]).mapped('product_template_id.id'))
+            new_product_ids = set(vals.get('product_template_id') for vals in vals_list)
+            if existing_product_ids.intersection(new_product_ids):
+                raise UserError(_("You can't add an already gathered product more than once. Please modify the quantity of the existing line."))
+            lines = super(SaleOrderLine, self).create(vals_list)
+            for line in lines:
+                line._update_line_for_gathering()
+            return lines
+        else:
+            return super(SaleOrderLine, self).create(vals_list)
+
+    def write(self, vals):
+        if (
+            self.order_id.is_gathering
+            and self.order_id.state == 'sale'
+            and 'product_uom_qty' in vals
+            and vals['product_uom_qty'] > self.product_uom_qty
+            and 'initial_qty_gathered' not in vals
+            and self.initial_qty_gathered == 0
+        ):
+            raise UserError(_("You can't modify the quantity of an added product. Please add a new line."))
+        return super(SaleOrderLine, self).write(vals)
+
+    def _update_line_for_gathering(self):
+        if (
+            self.order_id.is_gathering and self.order_id.state == 'sale'
+            and self.display_type not in ['line_section', 'line_note']
+        ):
+            self.price_unit /= (1 + self.order_id.index)
+            self.name += f' ({str(round(self.order_id.index*100, 2))}%) (${str(round(self.product_template_id.list_price, 2))})'

sale_gathering_index/views/sale_order_views.xml

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+<?xml version="1.0" encoding="utf-8"?>
+<odoo>
+    <record id="view_order_form" model="ir.ui.view">
+        <field name="name">sale.order.form</field>
+        <field name="model">sale.order</field>
+        <field name="inherit_id" ref="sale.view_order_form"/>
+        <field name="arch" type="xml">
+            <field name="payment_term_id" position="after">
+                <field name="index" attrs="{'invisible': [('is_gathering', '=', False)]}" widget="percentage"/>
+            </field>
+            <xpath expr="//field[@name='order_line']/tree//field[@name='name']" position="attributes">
+                <attribute name="attrs">{'readonly': [('parent.is_gathering', '=', True), ('display_type', 'not in', ['line_section', 'line_note'])]}</attribute>
+            </xpath>
+            <xpath expr="//field[@name='order_line']/tree//field[@name='price_unit']" position="attributes">
+                <attribute name="attrs">{'readonly': [('parent.is_gathering', '=', True), ('state', '=', 'sale')]}</attribute>
+            </xpath>
+            <group name="sale_total" position="inside">
+                <field name="gathering_balance_indexed" widget="monetary" options="{'currency_field': 'currency_id'}"/>
+            </group>
+        </field>
+    </record>
+</odoo>