[10.0] Add module stock_inventory_pos_category

stock_inventory_pos_category/README.rst

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+.. image:: https://img.shields.io/badge/licence-AGPL--3-blue.svg
+   :target: http://www.gnu.org/licenses/agpl-3.0-standalone.html
+   :alt: License: AGPL-3
+
+============================
+Stock Inventory POS category
+============================
+
+When you create an inventory, you can choose to select a particular product category. With this module, you can also choose to select one or more point of sale categories.
+
+Usage
+=====
+
+Go to the menu *Inventory > Inventory Control > Inventory Adjustments*, create a new inventory and select *Point of Sale Categories* in the list, then choose the point of sale categories that you want to inventory.
+
+Note that, if you select a parent point of sale category, Odoo will get the products attached to the children categories.
+
+.. image:: https://odoo-community.org/website/image/ir.attachment/5784_f2813bd/datas
+   :alt: Try me on Runbot
+   :target: https://runbot.odoo-community.org/runbot/153/10.0
+
+Bug Tracker
+===========
+
+Bugs are tracked on `GitHub Issues
+<https://github.com/OCA/stock-logistics-warehouse/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
+=======
+
+Contributors
+------------
+
+* Alexis de Lattre <[email protected]>
+
+Maintainer
+----------
+
+.. image:: https://odoo-community.org/logo.png
+   :alt: Odoo Community Association
+   :target: https://odoo-community.org
+
+This module is maintained by the OCA.
+
+OCA, or the Odoo Community Association, is a nonprofit organization whose
+mission is to support the collaborative development of Odoo features and
+promote its widespread use.
+
+To contribute to this module, please visit https://odoo-community.org.

stock_inventory_pos_category/__init__.py

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+# -*- coding: utf-8 -*-
+
+from . import models

stock_inventory_pos_category/__manifest__.py

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+# -*- coding: utf-8 -*-
+# Copyright 2018 Akretion (Alexis de Lattre <[email protected]>)
+# License AGPL-3.0 or later (http://www.gnu.org/licenses/agpl).
+
+{
+    'name': 'Stock Inventory POS Category',
+    'version': '10.0.1.0.0',
+    'category': 'Inventory, Logistics, Warehousing',
+    'license': 'AGPL-3',
+    'summary': 'Create an inventory for one or several POS categories',
+    'author': 'Akretion,Odoo Community Association (OCA)',
+    'website': 'http://www.akretion.com',
+    'depends': ['stock', 'point_of_sale'],
+    'data': [
+        'views/stock_inventory.xml',
+    ],
+    'installable': True,
+}

stock_inventory_pos_category/models/__init__.py

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+# -*- coding: utf-8 -*-
+
+from . import stock_inventory

stock_inventory_pos_category/models/stock_inventory.py

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+# -*- coding: utf-8 -*-
+# Copyright 2018 Akretion (Alexis de Lattre <[email protected]>)
+# License AGPL-3.0 or later (http://www.gnu.org/licenses/agpl).
+
+from odoo import api, fields, models, _
+from odoo.exceptions import ValidationError
+
+
+class StockInventory(models.Model):
+    _inherit = 'stock.inventory'
+
+    pos_categ_ids = fields.Many2many(
+        'pos.category', string='Point of Sale Categories',
+        readonly=True, states={'draft': [('readonly', False)]},
+        help="Specify one or several point of sale categories to focus "
+        "your inventory on specific point of sale categories")
+
+    @api.model
+    def _selection_filter(self):
+        res_filter = super(StockInventory, self)._selection_filter()
+        res_filter.append(('pos_categories', _('Point of Sale Categories')))
+        return res_filter
+
+    @api.onchange('filter')
+    def onchange_filter(self):
+        super(StockInventory, self).onchange_filter()
+        if self.filter != 'pos_categories':
+            self.pos_categ_ids = False
+
+    @api.constrains('filter', 'pos_categ_ids')
+    def _check_filter_pos_categories(self):
+        for inv in self:
+            if inv.filter != 'pos_categories' and inv.pos_categ_ids:
+                raise ValidationError(_(
+                    'The selected inventory options are not coherent.'))
+
+    @api.multi
+    def _get_inventory_lines_values(self):
+        vals = super(StockInventory, self)._get_inventory_lines_values()
+        if self.pos_categ_ids:
+            locations = self.env['stock.location'].search([
+                ('id', 'child_of', [self.location_id.id])])
+            vals = []
+            Product = self.env['product.product']
+            quant_products = self.env['product.product']
+            products_to_filter = self.env['product.product']
+            pos_categ_products = Product.search([
+                ('pos_categ_id', 'child_of', self.pos_categ_ids.ids)])
+            products_to_filter |= pos_categ_products
+
+            self.env.cr.execute("""
+                SELECT product_id, sum(qty) as product_qty, location_id,
+                lot_id as prod_lot_id, package_id, owner_id as partner_id
+                FROM stock_quant
+                WHERE location_id in %s AND company_id = %s AND
+                product_id = ANY (%s)
+                GROUP BY product_id, location_id, lot_id,
+                package_id, partner_id
+                """, (tuple(locations.ids), self.company_id.id,
+                      pos_categ_products.ids))
+            # copy-pasted from odoo/addons/stock/models/stock_inventory.py
+            # So it is copyright Odoo S.A.
+            for product_data in self.env.cr.dictfetchall():
+                # replace the None the dictionary by False,
+                # because falsy values are tested later on
+                for void_field in [
+                        item[0] for item in product_data.items()
+                        if item[1] is None]:
+                    product_data[void_field] = False
+                product_data['theoretical_qty'] = product_data['product_qty']
+                if product_data['product_id']:
+                    product_data['product_uom_id'] = Product.browse(
+                        product_data['product_id']).uom_id.id
+                    quant_products |= Product.browse(
+                        product_data['product_id'])
+                vals.append(product_data)
+            if self.exhausted:
+                exhausted_vals = self._get_exhausted_inventory_line(
+                    products_to_filter, quant_products)
+                vals.extend(exhausted_vals)
+        return vals

stock_inventory_pos_category/views/stock_inventory.xml

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+<?xml version="1.0" encoding="utf-8"?>
+<!--
+  Copyright 2018 Akretion (Alexis de Lattre <[email protected]>)
+  License AGPL-3.0 or later (http://www.gnu.org/licenses/agpl).
+-->
+
+<odoo>
+
+
+<record id="view_inventory_form" model="ir.ui.view">
+    <field name="name">select POS categories on inventory form</field>
+    <field name="model">stock.inventory</field>
+    <field name="inherit_id" ref="stock.view_inventory_form" />
+    <field name="arch" type="xml">
+        <field name="category_id" position="after">
+            <field name="pos_categ_ids"
+                widget="many2many_tags" options="{'no_create': True}"
+                attrs="{'invisible': [('filter', '!=', 'pos_categories')], 'required': [('filter', '=', 'pos_categories')]}" />
+        </field>
+    </field>
+</record>
+
+
+</odoo>