From 28ce11b21600d723b4ea51385789cc512b6125dd Mon Sep 17 00:00:00 2001
From: Alexis de Lattre <alexis.delattre@akretion.com>
Date: Sun, 26 Sep 2021 20:10:58 +0200
Subject: [PATCH] stock.inventory improvement

---
 stock_usability/models/stock_inventory.py | 29 ++++++++++++++++++++++-
 stock_usability/views/stock_inventory.xml | 29 ++++++++++++++++++++++-
 2 files changed, 56 insertions(+), 2 deletions(-)

diff --git a/stock_usability/models/stock_inventory.py b/stock_usability/models/stock_inventory.py
index 47e94ed..384e974 100644
--- a/stock_usability/models/stock_inventory.py
+++ b/stock_usability/models/stock_inventory.py
@@ -2,10 +2,37 @@
 # @author: Alexis de Lattre <alexis.delattre@akretion.com>
 # License AGPL-3.0 or later (https://www.gnu.org/licenses/agpl).
 
-from odoo import api, fields, models
+from odoo import api, fields, models, _
+from odoo.tools import float_compare, float_is_zero
 
 
 class StockInventoryLine(models.Model):
     _inherit = 'stock.inventory.line'
 
     product_barcode = fields.Char(related='product_id.barcode', string="Product Barcode")
+    difference_qty = fields.Float(search="_search_difference_qty_usability")
+
+    def _search_difference_qty_usability(self, operator, value):
+        # Inspired by the method _search_difference_qty() from the
+        # official stock module
+        # So a part of this code is copyright Odoo SA under LGPL licence
+        if not self.env.context.get('default_inventory_id'):
+            raise NotImplementedError(_('Unsupported search on %s outside of an Inventory Adjustment', 'difference_qty'))
+        lines = self.search([('inventory_id', '=', self.env.context.get('default_inventory_id'))])
+        line_ids = []
+        for line in lines:
+            if operator == '=':
+                if float_is_zero(line.difference_qty, line.product_id.uom_id.rounding):
+                    line_ids.append(line.id)
+            elif operator == '!=':
+                if not float_is_zero(line.difference_qty, line.product_id.uom_id.rounding):
+                    line_ids.append(line.id)
+            elif operator == '>':
+                if float_compare(line.difference_qty, 0, line.product_id.uom_id.rounding) > 0:
+                    line_ids.append(line.id)
+            elif operator == '<':
+                if float_compare(line.difference_qty, 0, line.product_id.uom_id.rounding) < 0:
+                    line_ids.append(line.id)
+            else:
+                raise NotImplementedError()
+        return [('id', 'in', line_ids)]
diff --git a/stock_usability/views/stock_inventory.xml b/stock_usability/views/stock_inventory.xml
index 1f4d24e..2fa2b7c 100644
--- a/stock_usability/views/stock_inventory.xml
+++ b/stock_usability/views/stock_inventory.xml
@@ -6,7 +6,18 @@
 -->
 
 <odoo>
-
+        
+<record id="view_inventory_form" model="ir.ui.view">
+    <field name="name">usability.stock.inventory.form</field>
+    <field name="model">stock.inventory</field>
+    <field name="inherit_id" ref="stock.view_inventory_form"/>
+    <field name="arch" type="xml">
+        <button name="action_open_inventory_lines" states="confirm" position="after">
+            <button name="action_open_inventory_lines" states="done" string="Show Inventory Lines" type="object"/>
+        </button>
+    </field>
+</record>
+ 
 <record id="stock_inventory_line_tree" model="ir.ui.view">
     <field name="name">usability.stock.inventory.line.tree</field>
     <field name="model">stock.inventory.line</field>
@@ -30,4 +41,20 @@
     </field>
 </record>
 
+<record id="stock_inventory_line_search" model="ir.ui.view">
+    <field name="name">usability.stock.inventory.line.search</field>
+    <field name="model">stock.inventory.line</field>
+    <field name="inherit_id" ref="stock.stock_inventory_line_search"/>
+    <field name="arch" type="xml">
+        <filter name="difference" position="after">
+            <filter string="Difference = 0"
+                    name="counted_equal" domain="[('difference_qty', '=', 0)]"/>
+            <filter string="Counted lower than Theoretical"
+                    name="counted_lower" domain="[('difference_qty', '&lt;', 0)]"/>
+            <filter string="Counted higher than Theoretical"
+                    name="counted_higher" domain="[('difference_qty', '&gt;', 0)]"/>
+        </filter>
+    </field>
+</record>
+ 
 </odoo>