down payment with original taxes

[IMP] add balance

account_usability/README.rst

@@ -52,6 +52,7 @@ This modules adds the following functions:
 * don't attach PDF upon invoice report generation on supplier invoices/refunds
 * Add filter on debit and credit amount for Move Lines
 * Add supplier invoice number in invoice tree view
+* Add date in outstanding payment widget on invoice form view (requires `odoo PR 84180 <https://github.com/odoo/odoo/pull/84180>`_)
 
 Together with this module, I recommend the use of the following modules:
 

account_usability/__manifest__.py

@@ -19,6 +19,9 @@
     'data': [
         'views/account_account_type.xml',
         'views/account_account.xml',
+        'views/account_group.xml',
+        'views/account_analytic_account.xml',
+        'views/account_analytic_group.xml',
         'views/account_bank_statement.xml',
         'views/account_invoice_report.xml',
         'views/account_journal.xml',
@@ -28,11 +31,14 @@
         'views/product.xml',
         'views/res_config_settings.xml',
         'views/res_partner.xml',
+        'views/res_company.xml',
         'views/account_report.xml',
         'wizard/account_invoice_mark_sent_view.xml',
         'wizard/account_group_generate_view.xml',
         'wizard/account_payment_register_views.xml',
         'security/ir.model.access.csv',
+        'report/invoice_report.xml',
         ],
+    'qweb': ['static/src/xml/account_payment.xml'],
     'installable': True,
 }

account_usability/models/__init__.py

@@ -6,4 +6,6 @@ from . import account_journal
 from . import account_move
 from . import account_partial_reconcile
 from . import res_partner
+from . import res_company
 from . import product
+from . import account_invoice_report

account_usability/models/account_bank_statement.py

@@ -27,9 +27,7 @@ class AccountBankStatement(models.Model):
 
     def _check_balance_end_real_same_as_computed(self):
         for stmt in self:
-            if stmt.hide_bank_statement_balance:
-                continue
-            else:
+            if not stmt.hide_bank_statement_balance:
                 super(AccountBankStatement, stmt)._check_balance_end_real_same_as_computed()
         return True
 
@@ -80,7 +78,8 @@ class AccountBankStatementLine(models.Model):
 
     def show_account_move(self):
         self.ensure_one()
-        action = self.env.ref('account.action_move_line_form').read()[0]
+        action = self.env["ir.actions.actions"]._for_xml_id(
+            'account.action_move_line_form')
         # Note: this action is on account.move, not account.move.line !
         action.update({
             'views': False,

account_usability/models/account_incoterms.py

@@ -14,3 +14,13 @@ class AccountIncoterms(models.Model):
         for rec in self:
             res.append((rec.id, '[%s] %s' % (rec.code, rec.name)))
         return res
+
+    @api.model
+    def name_search(self, name='', args=None, operator='ilike', limit=100):
+        if args is None:
+            args = []
+        if name and operator == 'ilike':
+            recs = self.search([('code', '=ilike', name + '%')] + args, limit=limit)
+            if recs:
+                return recs.name_get()
+        return super().name_search(name=name, args=args, operator=operator, limit=limit)

account_usability/models/account_invoice_report.py

@@ -0,0 +1,17 @@
+# Copyright 2022 Akretion (http://www.akretion.com)
+# @author Alexis de Lattre <alexis.delattre@akretion.com>
+# License AGPL-3.0 or later (http://www.gnu.org/licenses/agpl).
+
+from odoo import api, fields, models
+
+
+class AccountInvoiceReport(models.Model):
+    _inherit = 'account.invoice.report'
+
+    industry_id = fields.Many2one('res.partner.industry', string='Partner Industry', readonly=True)
+
+    @api.model
+    def _select(self):
+        res = super()._select()
+        res += ", COALESCE(partner.industry_id, commercial_partner.industry_id) AS industry_id"
+        return res

account_usability/models/account_journal.py

@@ -16,6 +16,13 @@ class AccountJournal(models.Model):
         "you don't want to enter the start/end balance manually: it "
         "will prevent the display of wrong information in the accounting "
         "dashboard and on bank statements.")
+    # Used to set default user_type_id on account fields
+    account_type_current_liabilities_id = fields.Many2one(
+        'account.account.type',
+        default=lambda self: self.env.ref('account.data_account_type_current_liabilities').id)
+    account_type_current_assets_id = fields.Many2one(
+        'account.account.type',
+        default=lambda self: self.env.ref('account.data_account_type_current_assets').id)
 
     @api.depends(
         'name', 'currency_id', 'company_id', 'company_id.currency_id', 'code')

account_usability/models/account_move.py

@@ -2,10 +2,12 @@
 # @author Alexis de Lattre <alexis.delattre@akretion.com>
 # License AGPL-3.0 or later (http://www.gnu.org/licenses/agpl).
 
-from odoo import api, fields, models
+from odoo import api, fields, models, _
 from odoo.tools import float_is_zero
 from odoo.tools.misc import format_date
 from odoo.osv import expression
+from datetime import timedelta
+from odoo.exceptions import UserError
 
 
 class AccountMove(models.Model):
@@ -152,13 +154,13 @@ class AccountMove(models.Model):
         """ French law requires to set sale order dates into invoice
             returned string: "sale1 (date1), sale2 (date2) ..."
         """
-        for inv in self:
-            sales = inv.invoice_line_ids.mapped(
+        for move in self:
+            sales = move.invoice_line_ids.mapped(
                 'sale_line_ids').mapped('order_id')
             dates = ["%s (%s)" % (
-                     x.name, format_date(inv.env, self.date_order))
+                     x.name, format_date(move.env, x.date_order))
                      for x in sales]
-            inv.sale_dates = ", ".join(dates)
+            move.sale_dates = ", ".join(dates)
 
     # allow to manually create moves not only in general journals,
     # but also in cash journal and check journals (= bank journals not linked to a bank account)
@@ -207,6 +209,18 @@ class AccountMove(models.Model):
         self.ensure_one()
         return '%s.pdf' % (self.name and self.name.replace('/', '_') or 'INV')
 
+    def _get_accounting_date(self, invoice_date, has_tax):
+        # On vendor bills/refunds, we want date = invoice_date unless
+        # we have a company tax_lock_date and the invoice has taxes
+        # and invoice_date <= tax_lock_date
+        date = super()._get_accounting_date(invoice_date, has_tax)
+        if self.is_purchase_document(include_receipts=True):
+            tax_lock_date = self.company_id.tax_lock_date
+            if invoice_date and tax_lock_date and has_tax and invoice_date <= tax_lock_date:
+               invoice_date = tax_lock_date + timedelta(days=1)
+            date = invoice_date
+        return date
+
 
 class AccountMoveLine(models.Model):
     _inherit = 'account.move.line'
@@ -228,10 +242,22 @@ class AccountMoveLine(models.Model):
         compute='_compute_reconcile_string', string='Reconcile', store=True)
     # for optional display in tree view
     product_barcode = fields.Char(related='product_id.barcode', string="Product Barcode")
+    balance = fields.Monetary(
+        string='Balance',
+        default=0.0,
+        currency_field='company_currency_id',
+        compute="_compute_balance",
+        store=True)
+
+    @api.depends("credit", "debit")
+    def _compute_balance(self):
+        for line in self:
+            line.balance = line.debit - line.credit
 
     def show_account_move_form(self):
         self.ensure_one()
-        action = self.env.ref('account.action_move_line_form').read()[0]
+        action = self.env["ir.actions.actions"]._for_xml_id(
+            'account.action_move_line_form')
         action.update({
             'res_id': self.move_id.id,
             'view_id': False,
@@ -251,3 +277,25 @@ class AccountMoveLine(models.Model):
                 rec_str = ', '.join([
                     'a%d' % pr.id for pr in line.matched_debit_ids + line.matched_credit_ids])
             line.reconcile_string = rec_str
+
+    def _get_computed_name(self):
+        # This is useful when you want to have the product code in a dedicated
+        # column in your customer invoice report
+        # The same ir.config_parameter is used in sale_usability,
+        # purchase_usability and account_usability
+        no_product_code_param = self.env['ir.config_parameter'].sudo().get_param(
+            'usability.line_name_no_product_code')
+        if no_product_code_param and no_product_code_param == 'True':
+            self = self.with_context(display_default_code=False)
+        return super()._get_computed_name()
+
+    def reconcile(self):
+        """Explicit error message if unposted lines"""
+        unposted_ids = self.filtered(lambda l: l.move_id.state != "posted")
+        if unposted_ids:
+            m = _("Please post the following entries before reconciliation :")
+            sep = "\n - "
+            unpost = sep.join([am.display_name for am in unposted_ids.move_id])
+            raise UserError(m + sep + unpost)
+
+        return super().reconcile()

account_usability/models/res_company.py

@@ -0,0 +1,21 @@
+# Copyright 2021 Akretion France (https://akretion.com/)
+# @author: Alexis de Lattre <alexis.delattre@akretion.com>
+# License AGPL-3.0 or later (http://www.gnu.org/licenses/agpl).
+
+from odoo import fields, models
+
+
+class ResCompany(models.Model):
+    _inherit = 'res.company'
+
+    # There is a native field invoice_terms which is displayed on res.config.settings
+    # when the ir.config_parameter account.use_invoice_terms is True
+    # But there are several problems with this native field:
+    # - it is copied on the 'narration' field of account.move => we don't want that
+    # - the text block is very small on the form view of res.config.settings
+    # So I decided to have our own field "fixed_invoice_terms"
+    # The native field can still be used when you need to customise some
+    # terms and conditions on each invoice (not very common, but...)
+    # To underline this different with the native field, I prefix it with 'static_'
+    static_invoice_terms = fields.Text(
+        translate=True, string="Legal Terms on Invoice")

account_usability/static/src/xml/account_payment.xml

@@ -0,0 +1,19 @@
+<?xml version="1.0" encoding="utf-8"?>
+<!--
+  Copyright 2022 Akretion France (http://www.akretion.com/)
+  @author: Alexis de Lattre <alexis.delattre@akretion.com>
+  License AGPL-3.0 or later (http://www.gnu.org/licenses/agpl).
+-->
+
+<templates id="template" xml:space="preserve">
+
+    <!-- Requires https://github.com/odoo/odoo/pull/84180 -->
+    <t t-extend="ShowPaymentInfo" >
+        <t t-jquery="td:first" t-operation="after">
+            <td style="max-width: 25em;" id="outstanding-date">
+                <div class="oe_form_field" style="margin-right: 5px; text-overflow: ellipsis; overflow: hidden; white-space: nowrap;"><t t-esc="line.date"></t></div>
+            </td>
+        </t>
+    </t>
+
+</templates>

account_usability/views/account_account.xml

@@ -31,6 +31,9 @@
         <field name="name" position="after">
             <field name="code" filter_domain="[('code', '=like', str(self)+'%')]" string="Code"/>
         </field>
+        <filter name="accounttype" position="after">
+            <filter name="group_groupby" string="Group" context="{'group_by': 'group_id'}"/>
+        </filter>
     </field>
 </record>
 

account_usability/views/account_analytic_account.xml

@@ -0,0 +1,33 @@
+<?xml version="1.0" encoding="utf-8"?>
+<!--
+  Copyright 2015-2021 Akretion France (http://www.akretion.com/)
+  @author: Alexis de Lattre <alexis.delattre@akretion.com>
+  License AGPL-3.0 or later (http://www.gnu.org/licenses/agpl).
+-->
+
+<odoo>
+
+
+<record id="view_account_analytic_account_list" model="ir.ui.view">
+    <field name="model">account.analytic.account</field>
+    <field name="inherit_id" ref="analytic.view_account_analytic_account_list"/>
+    <field name="arch" type="xml">
+        <field name="code" position="after">
+            <field name="group_id" optional="show"/>
+        </field>
+    </field>
+</record>
+ 
+
+<record id="view_account_analytic_account_search" model="ir.ui.view">
+    <field name="model">account.analytic.account</field>
+    <field name="inherit_id" ref="analytic.view_account_analytic_account_search"/>
+    <field name="arch" type="xml">
+        <filter name="associatedpartner" position="before">
+            <filter name="group_groupby" string="Group" context="{'group_by': 'group_id'}"/>
+        </filter>
+    </field>
+</record>
+
+
+</odoo>

account_usability/views/account_analytic_group.xml

@@ -0,0 +1,22 @@
+<?xml version="1.0" encoding="utf-8"?>
+<!--
+  Copyright 2021 Akretion France (http://www.akretion.com/)
+  @author: Alexis de Lattre <alexis.delattre@akretion.com>
+  License AGPL-3.0 or later (http://www.gnu.org/licenses/agpl).
+-->
+
+<odoo>
+
+
+<record id="account_analytic_group_tree_view" model="ir.ui.view">
+    <field name="model">account.analytic.group</field>
+    <field name="inherit_id" ref="analytic.account_analytic_group_tree_view"/>
+    <field name="arch" type="xml">
+        <field name="name" position="after">
+            <field name="parent_id" optional="show"/>
+        </field>
+    </field>
+</record>
+
+
+</odoo>

account_usability/views/account_group.xml

@@ -0,0 +1,32 @@
+<?xml version="1.0" encoding="utf-8"?>
+<!--
+  Copyright 2021 Akretion France (http://www.akretion.com/)
+  @author: Alexis de Lattre <alexis.delattre@akretion.com>
+  License AGPL-3.0 or later (http://www.gnu.org/licenses/agpl).
+-->
+
+<odoo>
+
+
+<record id="view_account_group_form" model="ir.ui.view">
+    <field name="model">account.group</field>
+    <field name="inherit_id" ref="account.view_account_group_form"/>
+    <field name="arch" type="xml">
+        <field name="name" position="after">
+            <field name="parent_id"/>
+        </field>
+    </field>
+</record>
+
+<record id="view_account_group_tree" model="ir.ui.view">
+    <field name="model">account.group</field>
+    <field name="inherit_id" ref="account.view_account_group_tree"/>
+    <field name="arch" type="xml">
+        <field name="name" position="after">
+            <field name="parent_id" optional="show"/>
+        </field>
+    </field>
+</record>
+
+
+</odoo>

account_usability/views/account_invoice_report.xml

@@ -14,26 +14,38 @@
     <field name="arch" type="xml">
         <tree string="Invoices Analysis">
             <field name="move_id"/>
+            <field name="journal_id" optional="hide"/>
+            <field name="company_id" optional="hide" groups="base.group_multi_company"/>
             <field name="invoice_date"/>
             <field name="invoice_date_due"/>
             <field name="move_type"/>
             <field name="commercial_partner_id"/>
+            <field name="partner_id" optional="hide"/>
+            <field name="country_id" optional="hide"/>
+            <field name="industry_id" optional="hide"/>
             <field name="invoice_user_id"/>
+            <field name="fiscal_position_id" optional="hide"/>
             <field name="product_id"/>
+            <field name="product_categ_id" optional="hide"/>
+            <field name="account_id" optional="hide"/>
+            <field name="analytic_account_id" optional="hide" groups="analytic.group_analytic_accounting"/>
             <field name="quantity" sum="1"/>
             <field name="product_uom_id" groups="uom.group_uom"/>
             <field name="price_subtotal" sum="1"/>
             <field name="state"/>
+            <field name="payment_state" optional="hide"/>
         </tree>
     </field>
 </record>
 
 <record id="account.action_account_invoice_report_all_supp" model="ir.actions.act_window">
     <field name="context">{'search_default_current': 1, 'search_default_supplier': 1, 'group_by': ['invoice_date']}</field>  <!-- Remove group_by_no_leaf, which breaks tree view -->
+    <field name="view_mode">pivot,graph</field>
 </record>
 
 <record id="account.action_account_invoice_report_all" model="ir.actions.act_window">
     <field name="context">{'search_default_current': 1, 'search_default_customer': 1, 'group_by': ['invoice_date']}</field>  <!-- Remove group_by_no_leaf, which breaks tree view -->
+    <field name="view_mode">pivot,graph</field>
 </record>
 
 <record id="view_account_invoice_report_pivot" model="ir.ui.view">

account_usability/views/account_journal.xml

@@ -14,6 +14,17 @@
     <field name="arch" type="xml">
         <field name="bank_statements_source" position="after">
             <field name="hide_bank_statement_balance" groups="account.group_account_readonly"/>
+            <field name="account_type_current_liabilities_id" invisible="1"/>
+            <field name="account_type_current_assets_id" invisible="1"/>
+        </field>
+        <field name="suspense_account_id" position="attributes">
+            <attribute name="context">{'default_user_type_id': account_type_current_liabilities_id, 'default_reconcile': True}</attribute>
+        </field>
+        <field name="payment_debit_account_id" position="attributes">
+            <attribute name="context">{'default_user_type_id': account_type_current_assets_id, 'default_reconcile': True}</attribute>
+        </field>
+        <field name="payment_credit_account_id" position="attributes">
+            <attribute name="context">{'default_user_type_id': account_type_current_assets_id, 'default_reconcile': True}</attribute>
         </field>
     </field>
 </record>

account_usability/views/account_move.xml

@@ -70,6 +70,9 @@
         <field name="matching_number" position="after">
             <button title="View Journal Entry Form" type="object" name="show_account_move_form" icon="fa-arrow-right"/>
         </field>
+        <field name="credit" position="after">
+            <field name="balance" sum="Balance" />
+        </field>
     </field>
 </record>
 
@@ -88,10 +91,11 @@
             <field name="debit" filter_domain="['|', ('debit', '=', self), ('credit', '=', self)]" string="Debit or Credit"/>
         </field>
         <filter name="unreconciled" position="before">
-            <filter name="reconciled" string="Fully Reconciled" domain="[('full_reconcile_id', '!=', False)]"/>
+            <filter name="reconciled" string="Fully Reconciled" domain="[('reconciled', '=', True)]"/>
         </filter>
         <filter name="unreconciled" position="attributes">
             <attribute name="string">Unreconciled or Partially Reconciled</attribute>
+            <attribute name="domain">[('reconciled', '=', False), ('balance', '!=', 0), ('account_id.reconcile', '=', True)]</attribute>
         </filter>
         <!--
         <field name="name" position="attributes">

account_usability/views/res_company.xml

@@ -0,0 +1,27 @@
+<?xml version="1.0" encoding="utf-8"?>
+<!--
+  Copyright 2021 Akretion (http://www.akretion.com/)
+  @author: Alexis de Lattre <alexis.delattre@akretion.com>
+  License AGPL-3.0 or later (http://www.gnu.org/licenses/agpl).
+-->
+
+<odoo>
+
+
+<record id="view_company_form" model="ir.ui.view">
+    <field name="name">account_usability.res.company.form</field>
+    <field name="model">res.company</field>
+    <field name="inherit_id" ref="base.view_company_form"/>
+    <field name="arch" type="xml">
+        <notebook position="inside">
+            <page string="Legal Terms" name="legal_terms">
+                <group string="Invoice Legal Terms" name="static_invoice_terms">
+                    <field name="static_invoice_terms" nolabel="1"/>
+                </group>
+            </page>
+        </notebook>
+    </field>
+</record>
+
+
+</odoo>

base_mail_sender_bcc/__init__.py

@@ -0,0 +1 @@
+from . import models

base_mail_sender_bcc/__manifest__.py

@@ -0,0 +1,21 @@
+# Copyright 2017-2022 Akretion (http://www.akretion.com)
+# @author Alexis de Lattre <alexis.delattre@akretion.com>
+# License AGPL-3.0 or later (http://www.gnu.org/licenses/agpl).
+
+{
+    'name': 'Mail Sender Bcc',
+    'version': '14.0.1.0.0',
+    'category': 'Mail',
+    'license': 'AGPL-3',
+    'summary': "Always send a copy of the mail to the sender",
+    'description': """
+Mail Sender Bcc
+===============
+
+With this module, when Odoo sends an outgoing email, it adds the sender as Bcc (blind copy) of the email.
+    """,
+    'author': 'Akretion',
+    'website': 'https://github.com/akretion/odoo-usability',
+    'depends': ['base'],
+    'installable': True,
+}

base_mail_sender_bcc/models/__init__.py

@@ -0,0 +1 @@
+from . import ir_mail_server

base_mail_sender_bcc/models/ir_mail_server.py

@@ -0,0 +1,27 @@
+# Copyright 2017-2022 Akretion France
+# @author: Alexis de Lattre <alexis.delattre@akretion.com>
+# License AGPL-3.0 or later (http://www.gnu.org/licenses/agpl).
+
+from odoo import models
+
+
+class IrMailServer(models.Model):
+    _inherit = 'ir.mail_server'
+
+    def build_email(
+            self, email_from, email_to, subject, body, email_cc=None,
+            email_bcc=None, reply_to=False, attachments=None,
+            message_id=None, references=None, object_id=False,
+            subtype='plain', headers=None,
+            body_alternative=None, subtype_alternative='plain'):
+        if email_from:
+            if email_bcc is None:
+                email_bcc = [email_from]
+            elif isinstance(email_bcc, list) and email_from not in email_bcc:
+                email_bcc.append(email_from)
+        return super().build_email(
+            email_from, email_to, subject, body, email_cc=email_cc,
+            email_bcc=email_bcc, reply_to=reply_to, attachments=attachments,
+            message_id=message_id, references=references, object_id=object_id,
+            subtype=subtype, headers=headers,
+            body_alternative=body_alternative, subtype_alternative=subtype_alternative)

mrp_usability/views/mrp_production.xml

@@ -29,4 +29,15 @@
     </field>
 </record>
 
+<record id="mrp_production_tree_view" model="ir.ui.view">
+    <field name="model">mrp.production</field>
+    <field name="inherit_id" ref="mrp.mrp_production_tree_view"/>
+    <field name="arch" type="xml">
+        <field name="reservation_state" position="after">
+            <field name="location_src_id" optional="hide" groups="stock.group_stock_multi_locations"/>
+            <field name="location_dest_id" optional="hide" groups="stock.group_stock_multi_locations"/>
+        </field>
+    </field>
+</record>
+
 </odoo>

pos_usability/views/pos_session.xml

@@ -15,6 +15,20 @@
         <button name="show_journal_items" position="after">
             <button name="%(point_of_sale.action_report_pos_order_all)d" type="action" class="oe_stat_button" icon="fa-table" string="Stats" context="{'search_default_session_id': active_id}"/>
         </button>
+        <xpath
+            expr="//field[@name='cash_register_total_entry_encoding']/parent::group"
+            position="before"
+        >
+        <group>
+            <field
+                    style="text-align:right;margin:0;padding:0;"
+                    name="cash_register_balance_start"
+                    widget="monetary"
+                    options="{'currency_field': 'currency_id'}"
+                    string="Starting Balance"
+                />
+        </group>
+        </xpath>
     </field>
 </record>
 

product_usability/__manifest__.py

@@ -32,6 +32,8 @@ This module has been written by Alexis de Lattre from Akretion <alexis.delattre@
         'views/product_pricelist_item.xml',
         'views/product_template_view.xml',
         'views/product_product.xml',
+        'views/uom_uom.xml',
+        'views/product_category_view.xml',
     ],
     'installable': True,
 }

product_usability/models/__init__.py

@@ -2,3 +2,4 @@ from . import product_product
 from . import product_template
 from . import product_supplierinfo
 from . import product_pricelist
+from . import product_category

product_usability/models/product_category.py

@@ -0,0 +1,13 @@
+# Copyright 2022 Akretion (https://www.akretion.com).
+# @author Sébastien BEAU <sebastien.beau@akretion.com>
+# License AGPL-3.0 or later (https://www.gnu.org/licenses/agpl).
+
+from odoo import fields, models
+
+
+class ProductCategory(models.Model):
+    _inherit = ['product.category', "mail.thread", "mail.activity.mixin"]
+    _name = 'product.category'
+
+    name = fields.Char(tracking=10)
+    parent_id = fields.Many2one(tracking=20)

product_usability/models/product_product.py

@@ -1,21 +1,21 @@
-# Copyright 2015-2020 Akretion (http://www.akretion.com)
+# Copyright 2015-2021 Akretion (http://www.akretion.com)
 # @author Alexis de Lattre <alexis.delattre@akretion.com>
 # @author Raphaël Valyi <rvalyi@akretion.com>
 # License AGPL-3.0 or later (http://www.gnu.org/licenses/agpl).
 
-from odoo import models, fields
+from odoo import api, models, fields
 
 
 class ProductProduct(models.Model):
     _inherit = 'product.product'
 
-    default_code = fields.Char(copy=False)
-#        track_visibility='onchange',
-
-#    barcode = fields.Char(track_visibility='onchange',
-
-#    weight = fields.Float(track_visibility='onchange')
-#    active = fields.Boolean(track_visibility='onchange')
+    default_code = fields.Char(copy=False, tracking=10)
+    barcode = fields.Char(tracking=20)
+    weight = fields.Float(tracking=30)
+    active = fields.Boolean(tracking=40)
+    barcode_code128 = fields.Char(
+        compute='_compute_barcode_code128',
+        help="Barcode in Code128-B with start char, checksum and stop char")
 
     _sql_constraints = [(
         # Maybe it could be better to have a constrain per company
@@ -26,3 +26,32 @@ class ProductProduct(models.Model):
         'default_code_uniq',
         'unique(default_code)',
         'This internal reference already exists!')]
+
+    @api.model
+    def _compute_code128_checksum(self, code):
+        # This is NOT a full implementation of code128 checksum
+        csum = 104  # Start B
+        i = 0
+        for char in code:
+            i += 1
+            char_val = ord(char) - 32
+            csum += char_val * i
+        remainder = csum % 103
+        checksum = chr(remainder + 32)
+        return checksum
+
+    @api.depends('barcode')
+    def _compute_barcode_code128(self):
+        # We use Code128-B. Useful info on code128:
+        # https://boowiki.info/art/codes-a-barres/code-128.html
+        # Use code128.ttf and copy it in /usr/local/share/fonts/
+        startb = chr(209)
+        stop = chr(211)
+        for product in self:
+            code128 = False
+            barcode = product.barcode
+            if barcode and all([32 <= ord(x) <= 127 for x in barcode]):
+                checksum = self._compute_code128_checksum(barcode)
+                if checksum:
+                    code128 = startb + barcode + checksum + stop
+            product.barcode_code128 = code128

product_usability/models/product_template.py

@@ -1,4 +1,4 @@
-# Copyright 2015-2020 Akretion (http://www.akretion.com)
+# Copyright 2015-2021 Akretion (http://www.akretion.com)
 # @author Alexis de Lattre <alexis.delattre@akretion.com>
 # @author Raphaël Valyi <rvalyi@akretion.com>
 # License AGPL-3.0 or later (http://www.gnu.org/licenses/agpl).
@@ -21,9 +21,13 @@ class ProductTemplate(models.Model):
     # are only shown in the form view of product.template, not in the form
     # view of product.product
     name = fields.Char(tracking=10)
-    categ_id = fields.Many2one(tracking=20)
-    type = fields.Selection(tracking=30)
-    list_price = fields.Float(tracking=40)
-    sale_ok = fields.Boolean(tracking=50)
-    purchase_ok = fields.Boolean(tracking=60)
-    active = fields.Boolean(tracking=70)
+    barcode = fields.Char(tracking=20)
+    default_code = fields.Char(tracking=30)
+    categ_id = fields.Many2one(tracking=40)
+    type = fields.Selection(tracking=50)
+    list_price = fields.Float(tracking=60)
+    weight = fields.Float(tracking=70)
+    sale_ok = fields.Boolean(tracking=80)
+    purchase_ok = fields.Boolean(tracking=90)
+    active = fields.Boolean(tracking=100)
+    company_id = fields.Many2one(tracking=110)

product_usability/views/product_category_view.xml

@@ -0,0 +1,19 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<odoo>
+
+<record id="product_category_form_view" model="ir.ui.view">
+    <field name="model">product.category</field>
+    <field name="inherit_id" ref="product.product_category_form_view" />
+    <field name="arch" type="xml">
+        <sheet position="after">
+            <div class="oe_chatter">
+                <field name="message_follower_ids"/>
+                <field name="activity_ids"/>
+                <field name="message_ids"/>
+            </div>
+       </sheet>
+    </field>
+</record>
+
+</odoo>
+

product_usability/views/uom_uom.xml

@@ -0,0 +1,22 @@
+<?xml version="1.0" encoding="utf-8"?>
+<!--
+  Copyright 2022 Akretion France (http://www.akretion.com/)
+  @author: Alexis de Lattre <alexis.delattre@akretion.com>
+  License AGPL-3.0 or later (http://www.gnu.org/licenses/agpl).
+-->
+
+<odoo>
+
+<!-- When the module stock and sale are not installed,
+    there is no menu entry for UoM ! These menu entry fixes this -->
+
+    <menuitem id="uom_config_menu" parent="base.menu_custom"
+        name="Units of Measure" sequence="150"/>
+
+    <menuitem id="uom_categ_config_menu" parent="uom_config_menu"
+        action="uom.product_uom_categ_form_action" sequence="10" />
+
+    <menuitem id="uom_uom_config_menu" parent="uom_config_menu"
+        action="uom.product_uom_form_action" sequence="20" />
+
+</odoo>

purchase_usability/i18n/fr.po

@@ -0,0 +1,185 @@
+# Translation of Odoo Server.
+# This file contains the translation of the following modules:
+#   * purchase_usability
+#
+msgid ""
+msgstr ""
+"Project-Id-Version: Odoo Server 14.0\n"
+"Report-Msgid-Bugs-To: \n"
+"POT-Creation-Date: 2021-11-30 13:35+0000\n"
+"PO-Revision-Date: 2021-11-30 13:35+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: purchase_usability
+#: model_terms:ir.ui.view,arch_db:purchase_usability.purchase_order_line_search
+msgid "Analytic Account"
+msgstr ""
+
+#. module: purchase_usability
+#: model_terms:ir.ui.view,arch_db:purchase_usability.purchase_order_form
+msgid "Are you sure you want to cancel this purchase order?"
+msgstr "Êtes-vous sûr de vouloir annuler cette commande?"
+
+#. module: purchase_usability
+#: model_terms:ir.ui.view,arch_db:purchase_usability.view_purchase_order_filter
+msgid "Billing Status"
+msgstr ""
+
+#. module: purchase_usability
+#: model:ir.model,name:purchase_usability.model_res_partner
+msgid "Contact"
+msgstr ""
+
+#. module: purchase_usability
+#: model:ir.model.fields,field_description:purchase_usability.field_product_product__purchase_method
+#: model:ir.model.fields,field_description:purchase_usability.field_product_template__purchase_method
+msgid "Control Policy"
+msgstr "Politique de contrôle"
+
+#. module: purchase_usability
+#: model:ir.model.fields,field_description:purchase_usability.field_purchase_order__currency_id
+msgid "Currency"
+msgstr "Devise"
+
+#. module: purchase_usability
+#: model:ir.model.fields,field_description:purchase_usability.field_purchase_order__delivery_partner_id
+msgid "Delivery Partner"
+msgstr ""
+
+#. module: purchase_usability
+#: model:ir.model.fields,field_description:purchase_usability.field_product_template__display_name
+#: model:ir.model.fields,field_description:purchase_usability.field_purchase_order__display_name
+#: model:ir.model.fields,field_description:purchase_usability.field_purchase_order_line__display_name
+#: model:ir.model.fields,field_description:purchase_usability.field_res_partner__display_name
+msgid "Display Name"
+msgstr "Nom"
+
+#. module: purchase_usability
+#: model:ir.model.fields,field_description:purchase_usability.field_purchase_order__dest_address_id
+msgid "Drop Ship Address"
+msgstr "Adresse de livraison directe"
+
+#. module: purchase_usability
+#: model:ir.model.fields,field_description:purchase_usability.field_purchase_order__fiscal_position_id
+msgid "Fiscal Position"
+msgstr "Position fiscale"
+
+#. module: purchase_usability
+#: model:ir.model.fields,field_description:purchase_usability.field_product_template__id
+#: model:ir.model.fields,field_description:purchase_usability.field_purchase_order__id
+#: model:ir.model.fields,field_description:purchase_usability.field_purchase_order_line__id
+#: model:ir.model.fields,field_description:purchase_usability.field_res_partner__id
+msgid "ID"
+msgstr ""
+
+#. module: purchase_usability
+#: model:ir.model.fields,help:purchase_usability.field_purchase_order_line__product_barcode
+msgid "International Article Number used for product identification."
+msgstr ""
+
+#. module: purchase_usability
+#: model:ir.model.fields,field_description:purchase_usability.field_product_template____last_update
+#: model:ir.model.fields,field_description:purchase_usability.field_purchase_order____last_update
+#: model:ir.model.fields,field_description:purchase_usability.field_purchase_order_line____last_update
+#: model:ir.model.fields,field_description:purchase_usability.field_res_partner____last_update
+msgid "Last Modified on"
+msgstr "Dernière modification le"
+
+#. module: purchase_usability
+#: model:ir.model.fields,help:purchase_usability.field_product_product__purchase_method
+#: model:ir.model.fields,help:purchase_usability.field_product_template__purchase_method
+msgid ""
+"On ordered quantities: Control bills based on ordered quantities.\n"
+"On received quantities: Control bills based on received quantities."
+msgstr ""
+"Sur base des quantités commandées: factures de controle basées sur les quantités commandées. \n"
+"Sur base des quantités reçues: factures de controle basées sur les quantités reçues."
+
+#. module: purchase_usability
+#: model:ir.model.fields,field_description:purchase_usability.field_purchase_order__payment_term_id
+msgid "Payment Terms"
+msgstr "Conditions de paiement"
+
+#. module: purchase_usability
+#: model_terms:ir.ui.view,arch_db:purchase_usability.purchase_order_form
+msgid "Print"
+msgstr "Imprimer"
+
+#. module: purchase_usability
+#: model:ir.model.fields,field_description:purchase_usability.field_purchase_order_line__product_barcode
+msgid "Product Barcode"
+msgstr ""
+
+#. module: purchase_usability
+#: model:ir.model,name:purchase_usability.model_product_template
+msgid "Product Template"
+msgstr "Modèle de produit"
+
+#. module: purchase_usability
+#: model:ir.model,name:purchase_usability.model_purchase_order
+#: model:ir.model.fields,field_description:purchase_usability.field_res_partner__purchase_warn
+#: model:ir.model.fields,field_description:purchase_usability.field_res_users__purchase_warn
+msgid "Purchase Order"
+msgstr "Commande fournisseur"
+
+#. module: purchase_usability
+#: model:ir.model,name:purchase_usability.model_purchase_order_line
+msgid "Purchase Order Line"
+msgstr "Ligne de commande d'achat"
+
+#. module: purchase_usability
+#: model:ir.model.fields,field_description:purchase_usability.field_product_product__purchase_line_warn
+#: model:ir.model.fields,field_description:purchase_usability.field_product_template__purchase_line_warn
+msgid "Purchase Order Line Warning"
+msgstr "Avertissement Ligne de Commande "
+
+#. module: purchase_usability
+#: model:ir.model.fields,help:purchase_usability.field_purchase_order__dest_address_id
+msgid ""
+"Put an address if you want to deliver directly from the vendor to the "
+"customer. Otherwise, keep empty to deliver to your own company."
+msgstr ""
+"Ajoutez une adresse si vous voulez livrer directement du fournisseur au "
+"client. Sinon, laissez vide pour vous faire livrer à votre société."
+
+#. module: purchase_usability
+#: model:ir.model.fields,help:purchase_usability.field_purchase_order__partner_ref
+msgid ""
+"Reference of the sales order or bid sent by the vendor. It's used to do the "
+"matching when you receive the products as this reference is usually written "
+"on the delivery order sent by your vendor."
+msgstr ""
+"Référence de la commande client ou offre envoyée par le fournisseur. Utilisé"
+" principalement pour faire la correspondance lors de la réception des "
+"articles, puisque cette référence est généralement écrite sur le bon de "
+"livraison envoyé par votre fournisseur."
+
+#. module: purchase_usability
+#: model_terms:ir.ui.view,arch_db:purchase_usability.view_purchase_order_filter
+msgid "Reference, Origin or Vendor Reference"
+msgstr ""
+
+#. module: purchase_usability
+#: model:ir.model.fields,help:purchase_usability.field_product_product__purchase_line_warn
+#: model:ir.model.fields,help:purchase_usability.field_product_template__purchase_line_warn
+#: model:ir.model.fields,help:purchase_usability.field_res_partner__purchase_warn
+#: model:ir.model.fields,help:purchase_usability.field_res_users__purchase_warn
+msgid ""
+"Selecting the \"Warning\" option will notify user with the message, "
+"Selecting \"Blocking Message\" will throw an exception with the message and "
+"block the flow. The Message has to be written in the next field."
+msgstr ""
+"Sélectionner l'option 'Avertissement' notifiera l'utilisateur avec le "
+"Message. Sélectionner 'Message Bloquant' lancera une exception avec le "
+"message et bloquera le flux. Le Message doit être encodé dans le champ "
+"suivant."
+
+#. module: purchase_usability
+#: model:ir.model.fields,field_description:purchase_usability.field_purchase_order__partner_ref
+msgid "Vendor Reference"
+msgstr "Référence fournisseur"

purchase_usability/models/purchase_order.py

@@ -73,3 +73,28 @@ class PurchaseOrderLine(models.Model):
 
     # for optional display in tree view
     product_barcode = fields.Char(related='product_id.barcode', string="Product Barcode")
+    product_supplier_code = fields.Char(
+        compute='_compute_product_supplier_code', string='Vendor Product Code')
+
+    def _compute_product_supplier_code(self):
+        for line in self:
+            code = False
+            if not line.display_type and line.product_id and line.order_id:
+                partner_id = line.order_id.partner_id.commercial_partner_id.id
+                if partner_id:
+                    for supplier_info in line.product_id.seller_ids:
+                        if supplier_info.name.id == partner_id:
+                            code = supplier_info.product_code
+                            break
+            line.product_supplier_code = code
+
+    def _get_product_purchase_description(self, product_lang):
+        # This is useful when you want to have the product code in a dedicated
+        # column in your purchase order report
+        # The same ir.config_parameter is used in sale_usability,
+        # purchase_usability and account_usability
+        no_product_code_param = self.env['ir.config_parameter'].sudo().get_param(
+            'usability.line_name_no_product_code')
+        if no_product_code_param and no_product_code_param == 'True':
+            product_lang = product_lang.with_context(display_default_code=False)
+        return super()._get_product_purchase_description(product_lang)

purchase_usability/views/purchase_order.xml

@@ -35,6 +35,7 @@
             <attribute name="groups">analytic.group_analytic_tags</attribute>
         </xpath>
         <xpath expr="//field[@name='order_line']/tree//field[@name='product_id']" position="after">
+            <field name="product_supplier_code" optional="hide"/>
             <field name="product_barcode" optional="hide"/>
         </xpath>
     </field>

sale_order_add_bom/__init__.py

@@ -0,0 +1,2 @@
+from . import models
+from . import wizard

sale_order_add_bom/__manifest__.py

@@ -0,0 +1,29 @@
+# Copyright 2016-2022 Akretion France (http://www.akretion.com/)
+# @author: Alexis de Lattre <alexis.delattre@akretion.com>
+# License AGPL-3.0 or later (http://www.gnu.org/licenses/agpl).
+
+{
+    'name': 'Sale Order Add Bom',
+    'version': '14.0.1.0.0',
+    'category': 'Sales',
+    'license': 'AGPL-3',
+    'summary': 'Wizard to select a bom from a sale order',
+    'description': """
+This module adds a wizard *Add Kit* on the form view of a quotation that allows the user to select a 'kit' BOM: Odoo will automatically add the components of the kit as sale order lines.
+
+The wizard *Add Kit* is also available on a draft picking.
+
+This module has been written by Alexis de Lattre from Akretion
+<alexis.delattre@akretion.com>.
+    """,
+    'author': 'Akretion',
+    'website': 'https://github.com/akretion/odoo-usability',
+    'depends': ['sale', 'mrp'],
+    'data': [
+        'wizard/sale_add_phantom_bom_view.xml',
+        'views/sale_order.xml',
+        'views/stock_picking.xml',
+        'security/ir.model.access.csv',
+    ],
+    'installable': True,
+}

sale_order_add_bom/models/__init__.py

@@ -0,0 +1 @@
+from . import mrp_bom

sale_order_add_bom/models/mrp_bom.py

@@ -0,0 +1,11 @@
+# Copyright 2016-2022 Akretion France (http://www.akretion.com/)
+# @author: Alexis de Lattre <alexis.delattre@akretion.com>
+# License AGPL-3.0 or later (http://www.gnu.org/licenses/agpl).
+
+from odoo import models, fields
+
+
+class MrpBom(models.Model):
+    _inherit = 'mrp.bom'
+
+    sale_ok = fields.Boolean(related='product_tmpl_id.sale_ok', store=True)

sale_order_add_bom/security/ir.model.access.csv

@@ -0,0 +1,3 @@
+id,name,model_id:id,group_id:id,perm_read,perm_write,perm_create,perm_unlink
+access_sale_add_phantom_bom_sale,Full access on sale.add.phantom.bom wizard to sale user,model_sale_add_phantom_bom,sales_team.group_sale_salesman,1,1,1,1
+access_sale_add_phantom_bom_stock,Full access on sale.add.phantom.bom wizard to stock user,model_sale_add_phantom_bom,stock.group_stock_user,1,1,1,1

sale_order_add_bom/views/sale_order.xml

@@ -0,0 +1,22 @@
+<?xml version="1.0" encoding="utf-8"?>
+<!--
+  Copyright 2016-2022 Akretion France (http://www.akretion.com/)
+  @author: Alexis de Lattre <alexis.delattre@akretion.com>
+  License AGPL-3.0 or later (http://www.gnu.org/licenses/agpl).
+-->
+
+<odoo>
+
+<record id="view_order_form" model="ir.ui.view">
+    <field name="name">add.bom.sale.order.form</field>
+    <field name="model">sale.order</field>
+    <field name="inherit_id" ref="sale.view_order_form"/>
+    <field name="arch" type="xml">
+        <button name="action_quotation_send" position="before">
+            <button name="%(sale_add_phantom_bom_action)d" type="action"
+                string="Add Kit" states="draft,sent"/>
+        </button>
+    </field>
+</record>
+
+</odoo>

sale_order_add_bom/views/stock_picking.xml

@@ -0,0 +1,24 @@
+<?xml version="1.0" encoding="utf-8"?>
+<!--
+  Copyright 2021-2022 Akretion France (http://www.akretion.com/)
+  @author: Alexis de Lattre <alexis.delattre@akretion.com>
+  License AGPL-3.0 or later (http://www.gnu.org/licenses/agpl).
+-->
+
+<odoo>
+<data>
+
+<record id="view_picking_form" model="ir.ui.view">
+    <field name="name">add.bom.stock.picking.form</field>
+    <field name="model">stock.picking</field>
+    <field name="inherit_id" ref="stock.view_picking_form"/>
+    <field name="arch" type="xml">
+        <button name="action_confirm" position="after">
+            <button name="%(sale_add_phantom_bom_action)d" type="action"
+                string="Add Kit" states="draft" groups="stock.group_stock_user"/>
+        </button>
+    </field>
+</record>
+
+</data>
+</odoo>

sale_order_add_bom/wizard/__init__.py

@@ -0,0 +1 @@
+from . import sale_add_phantom_bom

sale_order_add_bom/wizard/sale_add_phantom_bom.py

@@ -0,0 +1,96 @@
+# Copyright 2016-2022 Akretion France (http://www.akretion.com/)
+# @author: Alexis de Lattre <alexis.delattre@akretion.com>
+# License AGPL-3.0 or later (http://www.gnu.org/licenses/agpl).
+
+from odoo import models, fields, api, _
+from odoo.exceptions import UserError
+from odoo.tools import float_is_zero
+
+
+class SaleAddPhantomBom(models.TransientModel):
+    _name = 'sale.add.phantom.bom'
+    _description = 'Add Kit to Quotation'
+
+    @api.model
+    def default_get(self, fields_list):
+        res = super().default_get(fields_list)
+        if self._context.get('active_model') == 'sale.order':
+            res['sale_id'] = self._context['active_id']
+            sale = self.env['sale.order'].browse(res['sale_id'])
+            res['company_id'] = sale.company_id.id
+        elif self._context.get('active_model') == 'stock.picking':
+            res['picking_id'] = self._context['active_id']
+            picking = self.env['stock.picking'].browse(res['picking_id'])
+            res['company_id'] = picking.company_id.id
+        else:
+            raise UserError(_(
+                "The wizard can only be started from a sale order or a picking."))
+        return res
+
+    bom_id = fields.Many2one(
+        'mrp.bom', 'Kit', required=True,
+        domain="['|', ('company_id', '=', False), ('company_id', '=', company_id), ('type', '=', 'phantom'), ('sale_ok', '=', True)]")
+    company_id = fields.Many2one('res.company', string='Company', required=True)
+    qty = fields.Integer(
+        string='Number of Kits to Add', default=1, required=True)
+    sale_id = fields.Many2one(
+        'sale.order', string='Quotation')
+    picking_id = fields.Many2one(
+        'stock.picking', string='Picking')
+
+    @api.model
+    def _prepare_sale_order_line(self, bom_line, sale_order, wizard_qty):
+        qty_in_product_uom = bom_line.product_uom_id._compute_quantity(
+            bom_line.product_qty,
+            bom_line.product_id.uom_id)
+        vals = {
+            'product_id': bom_line.product_id.id,
+            'product_uom_qty': qty_in_product_uom * wizard_qty,
+            'order_id': sale_order.id,
+            }
+        # on sale.order.line, company_id is a related field
+        return vals
+
+    @api.model
+    def _prepare_stock_move(self, bom_line, picking, wizard_qty):
+        product = bom_line.product_id
+        qty_in_product_uom = bom_line.product_uom_id._compute_quantity(
+            bom_line.product_qty, product.uom_id)
+        vals = {
+            'product_id': product.id,
+            'product_uom_qty': qty_in_product_uom * wizard_qty,
+            'product_uom': product.uom_id.id,
+            'picking_id': picking.id,
+            'company_id': picking.company_id.id,
+            'location_id': picking.location_id.id,
+            'location_dest_id': picking.location_dest_id.id,
+            'name': product.partner_ref,
+            }
+        return vals
+
+    def add(self):
+        self.ensure_one()
+        assert self.sale_id or self.picking_id, 'No related sale_id or picking_id'
+        if self.qty < 1:
+            raise UserError(_(
+                "The number of kits to add must be 1 or superior"))
+        assert self.bom_id.type == 'phantom', 'The BOM is not a kit'
+        if not self.bom_id.bom_line_ids:
+            raise UserError(_("The selected kit is empty !"))
+        prec = self.env['decimal.precision'].precision_get(
+            'Product Unit of Measure')
+        solo = self.env['sale.order.line']
+        smo = self.env['stock.move']
+        for line in self.bom_id.bom_line_ids:
+            if float_is_zero(line.product_qty, precision_digits=prec):
+                continue
+            # The onchange is played in the inherit of the create()
+            # of sale order line in the 'sale' module
+            # TODO: if needed, we could increment existing order lines
+            # with the same product instead of always creating new lines
+            if self.sale_id:
+                vals = self._prepare_sale_order_line(line, self.sale_id, self.qty)
+                solo.create(vals)
+            elif self.picking_id:
+                vals = self._prepare_stock_move(line, self.picking_id, self.qty)
+                smo.create(vals)

sale_order_add_bom/wizard/sale_add_phantom_bom_view.xml

@@ -0,0 +1,38 @@
+<?xml version="1.0" encoding="utf-8"?>
+<!--
+  Copyright 2016-2022 Akretion France (http://www.akretion.com/)
+  @author: Alexis de Lattre <alexis.delattre@akretion.com>
+  License AGPL-3.0 or later (http://www.gnu.org/licenses/agpl).
+-->
+
+<odoo>
+
+<record id="sale_add_phantom_bom_form" model="ir.ui.view">
+    <field name="name">sale.add.phantom.bom.form</field>
+    <field name="model">sale.add.phantom.bom</field>
+    <field name="arch"  type="xml">
+        <form>
+            <group name="main">
+                <field name="sale_id" invisible="1"/>
+                <field name="picking_id" invisible="1"/>
+                <field name="company_id" invisible="1"/>
+                <field name="bom_id" default_focus="1"/>
+                <field name="qty"/>
+            </group>
+            <footer>
+                <button name="add" type="object"
+                    class="btn-primary" string="Add"/>
+                <button special="cancel" string="Cancel"/>
+            </footer>
+        </form>
+    </field>
+</record>
+
+<record id="sale_add_phantom_bom_action" model="ir.actions.act_window">
+    <field name="name">Add Kit</field>
+    <field name="res_model">sale.add.phantom.bom</field>
+    <field name="view_mode">form</field>
+    <field name="target">new</field>
+</record>
+
+</odoo>

sale_order_route/views/sale_order.xml

@@ -18,4 +18,25 @@
     </field>
 </record>
 
+<record id="view_quotation_tree" model="ir.ui.view">
+    <field name="model">sale.order</field>
+    <field name="inherit_id" ref="sale_stock.view_quotation_tree"/>
+    <field name="arch" type="xml">
+        <field name="warehouse_id" position="after">
+            <field name="route_id" optional="hide"/>
+        </field>
+    </field>
+</record>
+
+<record id="view_order_tree" model="ir.ui.view">
+    <field name="model">sale.order</field>
+    <field name="inherit_id" ref="sale_stock.view_order_tree"/>
+    <field name="arch" type="xml">
+        <field name="warehouse_id" position="after">
+            <field name="route_id" optional="hide"/>
+        </field>
+    </field>
+</record>
+
+
 </odoo>

sale_purchase_no_product_template_menu/__manifest__.py

@@ -0,0 +1,29 @@
+# Copyright 2015-2019 Akretion France (http://www.akretion.com/)
+# @author: Alexis de Lattre <alexis.delattre@akretion.com>
+# License AGPL-3.0 or later (http://www.gnu.org/licenses/agpl).
+
+{
+    "name": "Sale Purchase No Product Template Menu",
+    "version": "14.0.1.0.0",
+    "category": "Sale and Purchase",
+    "license": "AGPL-3",
+    "summary": "Replace product.template menu entries by product.product menu entries",
+    "description": """
+Sale Purchase No Product Template
+=================================
+
+This module replaces the menu entries for product.template by menu entries for product.product in the *Sales* and *Purchases* menu entries. With this module, the only menu entry for product.template is in the menu *Sales > Configuration > Product Categories and Attributes*.
+
+This module also switches to the tree view by default for Product menu entries, instead of the kanban view.
+
+This module has been written by Alexis de Lattre from Akretion <alexis.delattre@akretion.com>.
+    """,
+    "author": "Akretion",
+    "website": "http://www.akretion.com",
+    "depends": [
+        "purchase",
+        "sale",
+    ],
+    "data": ["view.xml"],
+    "installable": True,
+}

sale_purchase_no_product_template_menu/i18n/fr.po

@@ -0,0 +1,29 @@
+# Translation of Odoo Server.
+# This file contains the translation of the following modules:
+# 	* sale_purchase_no_product_template_menu
+#
+msgid ""
+msgstr ""
+"Project-Id-Version: Odoo Server 8.0\n"
+"Report-Msgid-Bugs-To: \n"
+"POT-Creation-Date: \n"
+"PO-Revision-Date: 2022-03-28 17:19+0200\n"
+"Last-Translator: <>\n"
+"Language-Team: \n"
+"Language: fr\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Plural-Forms: \n"
+"X-Generator: Poedit 3.0\n"
+
+#. module: sale_purchase_no_product_template_menu
+#: model:ir.ui.menu,name:sale_purchase_no_product_template_menu.sale_config_product_template_menu
+msgid "Product Templates"
+msgstr "Modèles d'article"
+
+#. module: sale_purchase_no_product_template_menu
+#: model:ir.actions.act_window,name:sale_purchase_no_product_template_menu.product_product_action_purchased
+#: model:ir.actions.act_window,name:sale_purchase_no_product_template_menu.product_product_action_sell
+msgid "Products"
+msgstr "Articles"

sale_purchase_no_product_template_menu/i18n/sale_purchase_no_product_template_menu.pot

@@ -0,0 +1,25 @@
+# Translation of Odoo Server.
+# This file contains the translation of the following modules:
+# 	* sale_purchase_no_product_template_menu
+#
+msgid ""
+msgstr ""
+"Project-Id-Version: Odoo Server 14.0\n"
+"Report-Msgid-Bugs-To: \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_purchase_no_product_template_menu
+#: model:ir.ui.menu,name:sale_purchase_no_product_template_menu.sale_config_product_template_menu
+msgid "Product Templates"
+msgstr ""
+
+#. module: sale_purchase_no_product_template_menu
+#: model:ir.actions.act_window,name:sale_purchase_no_product_template_menu.product_product_action_purchased
+#: model:ir.actions.act_window,name:sale_purchase_no_product_template_menu.product_product_action_sell
+msgid "Products"
+msgstr ""

sale_purchase_no_product_template_menu/view.xml

@@ -0,0 +1,63 @@
+<?xml version="1.0" encoding="utf-8"?>
+<!--
+  Copyright 2015-2019 Akretion France (http://www.akretion.com/)
+  @author: Alexis de Lattre <alexis.delattre@akretion.com>
+  License AGPL-3.0 or later (http://www.gnu.org/licenses/agpl).
+-->
+
+<odoo>
+
+<!-- PURCHASE -->
+<record id="product_product_action_purchased" model="ir.actions.act_window">
+    <field name="name">Products</field>
+    <field name="res_model">product.product</field>
+    <field name="view_mode">tree,form,kanban</field>
+    <field name="context">{'search_default_filter_to_purchase': 1}</field>
+    <field name="search_view_id" eval="False"/> <!-- Force empty -->
+    <field name="view_id" eval="False"/> <!-- Force empty -->
+</record>
+
+<record id="purchase.menu_procurement_partner_contact_form" model="ir.ui.menu">
+    <field name="action" ref="product_product_action_purchased"/>
+</record>
+
+<!-- SALE -->
+<!-- I'd prefer to inherit product.product_normal_action_sell and
+change the "name" field, but it doesn't work with translation,
+so I redefine a new menu entry -->
+<record id="product_product_action_sell" model="ir.actions.act_window">
+    <field name="name">Products</field>
+    <field name="res_model">product.product</field>
+    <field name="view_mode">tree,form,kanban</field>
+    <field name="context">{'search_default_filter_to_sell': 1}</field>
+    <field name="search_view_id" eval="False"/>
+    <field name="view_id" ref="product.product_product_tree_view"/>
+    <field name="search_view_id" ref="product.product_search_form_view"/>
+</record>
+
+<!-- To keep good translations, we re-use the product.template menu
+entry and link it to product product -->
+<record id="sale.menu_product_template_action" model="ir.ui.menu">
+    <!-- related action is "product.product_template_action" -->
+    <field name="action" ref="product_product_action_sell"/>
+</record>
+
+<record id="product.product_template_action" model="ir.actions.act_window">
+    <field name="name">Product Templates</field>  <!-- native value is "Products" -->
+    <field name="view_mode">tree,form,kanban</field>
+    <field name="view_id" eval="False"/>
+    <field name="context">{}</field>
+</record>
+
+
+<!-- Create a product template menu entry in configuration -->
+<menuitem id="sale_config_product_template_menu" action="product.product_template_action"
+    parent="sale.prod_config_main"/>
+
+
+<record id="product.product_normal_action_sell" model="ir.actions.act_window">
+    <field name="view_mode">tree,form,kanban</field>
+</record>
+
+
+</odoo>

sale_usability/__init__.py

@@ -1 +1,2 @@
 from . import models
+from . import wizard

sale_usability/__manifest__.py

@@ -12,6 +12,7 @@
     'website': 'http://www.akretion.com',
     'depends': [
         'sale',
+        'account_usability',  # for company view
         'base_view_inheritance_extension',
         ],
     'data': [
@@ -20,6 +21,8 @@
         'views/sale_report.xml',
         'views/product_pricelist_item.xml',
         'views/account_move.xml',
+        'views/res_company.xml',
+        "views/res_partner.xml",
         ],
     'installable': True,
 }

sale_usability/models/__init__.py

@@ -2,3 +2,4 @@ from . import sale_order
 from . import account_move
 from . import product_template
 from . import res_partner
+from . import res_company

sale_usability/models/res_company.py

@@ -0,0 +1,13 @@
+# Copyright 2021 Akretion France (https://akretion.com/)
+# @author: Alexis de Lattre <alexis.delattre@akretion.com>
+# License AGPL-3.0 or later (http://www.gnu.org/licenses/agpl).
+
+from odoo import fields, models
+
+
+class ResCompany(models.Model):
+    _inherit = 'res.company'
+
+    # Similar to the field static_invoice_terms in account_usability
+    static_sale_terms = fields.Text(
+        translate=True, string="Legal Terms on Quotation")

sale_usability/models/sale_order.py

@@ -124,3 +124,14 @@ class SaleOrderLine(models.Model):
                             self.env, new_price, currency_obj=pricelist.currency_id))
                 }
         return res
+
+    def get_sale_order_line_multiline_description_sale(self, product):
+        # This is useful when you want to have the product code in a dedicated
+        # column in your sale order report
+        # The same ir.config_parameter is used in sale_usability,
+        # purchase_usability and account_usability
+        no_product_code_param = self.env['ir.config_parameter'].sudo().get_param(
+            'usability.line_name_no_product_code')
+        if no_product_code_param and no_product_code_param == 'True':
+            product = product.with_context(display_default_code=False)
+        return super().get_sale_order_line_multiline_description_sale(product)

sale_usability/views/res_company.xml

@@ -0,0 +1,25 @@
+<?xml version="1.0" encoding="utf-8"?>
+<!--
+  Copyright 2021 Akretion (http://www.akretion.com/)
+  @author: Alexis de Lattre <alexis.delattre@akretion.com>
+  License AGPL-3.0 or later (http://www.gnu.org/licenses/agpl).
+-->
+
+<odoo>
+
+
+<record id="view_company_form" model="ir.ui.view">
+    <field name="name">sale_usability.res.company.form</field>
+    <field name="model">res.company</field>
+    <field name="inherit_id" ref="account_usability.view_company_form"/>
+    <field name="arch" type="xml">
+        <group name="static_invoice_terms" position="after">
+            <group name="static_sale_terms" string="Quotation Legal Terms">
+                <field name="static_sale_terms" nolabel="1"/>
+            </group>
+        </group>
+    </field>
+</record>
+
+
+</odoo>

sale_usability/views/res_partner.xml

@@ -0,0 +1,15 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<odoo>
+
+    <record id="res_partner_view_team" model="ir.ui.view">
+        <field name="model">res.partner</field>
+        <field name="inherit_id" ref="sales_team.res_partner_view_team" />
+        <field name="arch" type="xml">
+            <!-- team_id should be visible in no developper mode -->
+            <field name="team_id" position="attributes">
+                <attribute name="groups"/>
+            </field>
+        </field>
+    </record>
+
+</odoo>

sale_usability/views/sale_report.xml

@@ -54,4 +54,9 @@
     </field>
 </record>
 
+<record id="sale.action_order_report_all" model="ir.actions.act_window">
+    <!-- native order is graph,pivot -->
+    <field name="view_mode">pivot,graph</field>
+</record>
+
 </odoo>

sale_usability/wizard/__init__.py

@@ -0,0 +1 @@
+from . import sale_make_invoice_advance

sale_usability/wizard/sale_make_invoice_advance.py

@@ -0,0 +1,37 @@
+from odoo import models
+from odoo.tools import float_is_zero
+
+
+class SaleAdvancePaymentInv(models.TransientModel):
+    _inherit = "sale.advance.payment.inv"
+
+    def _prepare_invoice_values(self, order, name, amount, so_line):
+        """
+        Create as many invoice lines as order lines with their original
+        order line taxes. Lines quantities have the ratio of the advance payment.
+        """
+        invoice_vals = super()._prepare_invoice_values(order, name, amount, so_line)
+        lines = []
+        uom_precision_digits = self.env["decimal.precision"].precision_get(
+            "Product Unit of Measure"
+        )
+        for line in order.order_line:
+            if (
+                not float_is_zero(
+                    # avoids taking lines like previous advance payments
+                    line.product_uom_qty, precision_digits=uom_precision_digits
+                )
+            ):
+                lines.append((0, 0, {
+                    "name": name,
+                    "price_unit": line.price_unit,
+                    "quantity": line.product_uom_qty * amount / order.amount_total,
+                    "product_id": line.product_id.id,
+                    "product_uom_id": line.product_uom.id,
+                    "tax_ids": [(6, 0, line.tax_id.ids)],
+                    "sale_line_ids": [(6, 0, [line.id])],
+                    "analytic_tag_ids": [(6, 0, line.analytic_tag_ids.ids)],
+                    "analytic_account_id": order.analytic_account_id.id or False,
+                }))
+        invoice_vals["invoice_line_ids"] = lines
+        return invoice_vals

shopinvader_usability/__manifest__.py

@@ -0,0 +1,18 @@
+# Copyright 2021 Akretion
+# License AGPL-3.0 or later (http://www.gnu.org/licenses/agpl).
+
+{
+    "name": "Shopinvader Usability",
+    "description": """
+        Shopinvader Usability""",
+    "version": "14.0.1.0.0",
+    "license": "AGPL-3",
+    "author": "Akretion",
+    "website": "https://github.com/OCA/odoo-usability",
+    "depends": [
+        "shopinvader",
+        "sale_usability",
+    ],
+    "data": ["views/sale_views.xml"],
+    "auto_install": True,
+}

shopinvader_usability/views/sale_views.xml

@@ -0,0 +1,22 @@
+<?xml version="1.0" encoding="utf-8" ?>
+<!-- Copyright 2021 Akretion
+     License AGPL-3.0 or later (http://www.gnu.org/licenses/agpl). -->
+<odoo>
+    <record id="sale.action_quotations" model="ir.actions.act_window">
+        <field
+            name="domain"
+        >['&amp;', ('state', 'in', ('draft', 'sent', 'cancel')), ('typology', '=', 'sale')]</field>
+    </record>
+
+    <record id="sale.action_quotations_with_onboarding" model="ir.actions.act_window">
+        <field
+            name="domain"
+        >['&amp;', ('state', 'in', ('draft', 'sent', 'cancel')), ('typology', '=', 'sale')]</field>
+    </record>
+
+    <record id="sale.action_quotations_salesteams" model="ir.actions.act_window">
+        <field
+            name="domain"
+        >['&amp;', ('state', 'in', ('draft', 'sent', 'cancel')), ('typology', '=', 'sale')]</field>
+    </record>
+</odoo>

stock_no_product_template_menu/__manifest__.py

@@ -22,5 +22,5 @@ This module has been written by Alexis de Lattre from Akretion <alexis.delattre@
     'website': 'http://www.akretion.com',
     'depends': ['stock'],
     'data': ['view.xml'],
-    'installable': False,
+    'installable': True,
 }

stock_reception_usability/__init__.py

@@ -0,0 +1 @@
+from . import models

stock_reception_usability/__manifest__.py

@@ -0,0 +1,24 @@
+# Copyright 2021 Akretion (https://www.akretion.com).
+# @author Kévin Roche <kevin.roche@akretion.com>
+# License AGPL-3.0 or later (https://www.gnu.org/licenses/agpl).
+
+{
+    "name": "Stock relation usability",
+    "summary": "SUMMARY",
+    "version": "14.0.1.0.0",
+    "category": "Inventory, Logistic, Storage",
+    "website": "http://www.akretion.com",
+    "author": "Akretion",
+    "license": "AGPL-3",
+    "application": False,
+    "installable": True,
+    "depends": [
+        "stock",
+        "purchase",
+    ],
+    "data": [
+        "views/stock_picking.xml",
+    ],
+    "demo": [],
+    "qweb": [],
+}

stock_reception_usability/models/__init__.py

@@ -0,0 +1,2 @@
+from . import stock_move
+

stock_reception_usability/models/stock_move.py

@@ -0,0 +1,36 @@
+# Copyright (C) 2021 Akretion (<http://www.akretion.com>).
+# @author Kévin Roche <kevin.roche@akretion.com>
+# License AGPL-3.0 or later (http://www.gnu.org/licenses/agpl).
+
+from odoo import api, fields, models
+
+
+class StockMove(models.Model):
+    _inherit = "stock.move"
+
+    location_dest_list = fields.Text(
+        string="Locations", compute="_compute_locations_dest_list"
+    )
+
+    @api.depends(
+        "move_line_ids", "move_line_ids.location_dest_id", "move_line_ids.qty_done"
+    )
+    def _compute_locations_dest_list(self):
+        for move in self:
+            data = []
+            separator = ", "
+            dest_list = move.move_line_ids.location_dest_id
+            for dest in dest_list:
+                lines_qty = move.move_line_ids.search(
+                    [("move_id", "=", move.id), ("location_dest_id", "=", dest.id)]
+                ).mapped("qty_done")
+                quantity = int(sum(lines_qty))
+                location = dest.name
+                data.append("{}: {}".format(quantity, location))
+            move.location_dest_list = separator.join(data)
+
+    def _compute_is_quantity_done_editable(self):
+        super()._compute_is_quantity_done_editable()
+        for move in self:
+            if len(move.move_line_ids) == 1 and move.show_details_visible:
+                move.is_quantity_done_editable = True

stock_reception_usability/views/stock_picking.xml

@@ -0,0 +1,17 @@
+<?xml version="1.0" encoding="utf-8" ?>
+<odoo>
+    <record id="view_picking_form" model="ir.ui.view">
+        <field name="model">stock.picking</field>
+        <field name="inherit_id" ref="stock.view_picking_form" />
+        <field name="arch" type="xml">
+            <xpath expr="//field[@name='product_uom']" position="after">
+                <field name="location_dest_list" />
+                </xpath>
+            <xpath expr="//field[@name='product_uom_qty']" position="attributes">
+                <attribute
+                    name="attrs"
+                >{'column_invisible': [('parent.state', '=', 'done')]}</attribute>
+                </xpath>
+        </field>
+    </record>
+</odoo>

stock_valuation_xlsx/__manifest__.py

@@ -1,4 +1,4 @@
-# Copyright 2020 Akretion France (http://www.akretion.com)
+# Copyright 2020-2021 Akretion France (http://www.akretion.com)
 # @author Alexis de Lattre <alexis.delattre@akretion.com>
 # License AGPL-3.0 or later (http://www.gnu.org/licenses/agpl).
 

stock_valuation_xlsx/models/__init__.py

@@ -0,0 +1 @@
+from . import stock_expiry_depreciation_rule

stock_valuation_xlsx/models/stock_expiry_depreciation_rule.py

@@ -0,0 +1,35 @@
+# Copyright 2021 Akretion France (http://www.akretion.com/)
+# @author: Alexis de Lattre <alexis.delattre@akretion.com>
+# License AGPL-3.0 or later (https://www.gnu.org/licenses/agpl).
+
+from odoo import fields, models
+
+
+class StockExpiryDepreciationRule(models.Model):
+    _name = 'stock.expiry.depreciation.rule'
+    _description = 'Stock Expiry Depreciation Rule'
+    _order = 'company_id, start_limit_days'
+
+    company_id = fields.Many2one(
+        'res.company', string='Company',
+        ondelete='cascade', required=True,
+        default=lambda self: self.env.company)
+    start_limit_days = fields.Integer(
+        string='Days Before/After Expiry', required=True,
+        help="Enter negative value for days before expiry. Enter positive values for days after expiry. This value is the START of the time interval when going from future to past.")
+    ratio = fields.Integer(string='Depreciation Ratio (%)', required=True)
+    name = fields.Char(string='Label')
+
+    _sql_constraints = [(
+        'ratio_positive',
+        'CHECK(ratio >= 0)',
+        'The depreciation ratio must be positive.'
+        ), (
+        'ratio_max',
+        'CHECK(ratio <= 100)',
+        'The depreciation ratio cannot be above 100%.'
+        ), (
+        'start_limit_days_unique',
+        'unique(company_id, start_limit_days)',
+        'This depreciation rule already exists in this company.'
+        )]

stock_valuation_xlsx/security/ir.model.access.csv

@@ -0,0 +1,5 @@
+id,name,model_id:id,group_id:id,perm_read,perm_write,perm_create,perm_unlink
+access_stock_expiry_depreciation_rule_full,Full access on stock.expiry.depreciation.rule to account manager,model_stock_expiry_depreciation_rule,account.group_account_manager,1,1,1,1
+access_stock_expiry_depreciation_rule_read,Read access on stock.expiry.depreciation.rule to stock manager,model_stock_expiry_depreciation_rule,stock.group_stock_manager,1,0,0,0
+access_stock_valuation_xlsx,stock.valuation.xlsx wizard,model_stock_valuation_xlsx,stock.group_stock_user,1,1,1,0
+access_stock_variation_xlsx,stock.variation.xlsx wizard,model_stock_variation_xlsx,stock.group_stock_user,1,1,1,0

stock_valuation_xlsx/views/stock_expiry_depreciation_rule.xml

@@ -0,0 +1,35 @@
+<?xml version="1.0" encoding="utf-8"?>
+<!--
+  Copyright 2021 Akretion France (http://www.akretion.com/)
+  @author: Alexis de Lattre <alexis.delattre@akretion.com>
+  License AGPL-3.0 or later (http://www.gnu.org/licenses/agpl).
+-->
+
+<odoo>
+<data>
+
+<record id="stock_expiry_depreciation_rule_tree" model="ir.ui.view">
+    <field name="model">stock.expiry.depreciation.rule</field>
+    <field name="arch" type="xml">
+        <tree editable="bottom">
+            <field name="start_limit_days"/>
+            <field name="ratio"/>
+            <field name="name"/>
+            <field name="company_id" groups="base.group_multi_company"/>
+        </tree>
+    </field>
+</record>
+
+<record id="stock_expiry_depreciation_rule_action" model="ir.actions.act_window">
+    <field name="name">Stock Depreciation Rules</field>
+    <field name="res_model">stock.expiry.depreciation.rule</field>
+    <field name="view_mode">tree</field>
+</record>
+
+<menuitem id="stock_expiry_depreciation_rule_menu"
+        action="stock_expiry_depreciation_rule_action"
+        parent="account.account_management_menu"
+        sequence="100"/>
+
+</data>
+</odoo>

stock_valuation_xlsx/wizard/stock_valuation_xlsx.py

@@ -17,69 +17,53 @@ logger = logging.getLogger(__name__)
 
 class StockValuationXlsx(models.TransientModel):
     _name = 'stock.valuation.xlsx'
+    _check_company_auto = True
     _description = 'Generate XLSX report for stock valuation'
 
     export_file = fields.Binary(string='XLSX Report', readonly=True, attachment=True)
     export_filename = fields.Char(readonly=True)
-    # I don't use ir.actions.url on v12, because it renders
-    # the wizard unusable after the first report generation, which creates
-    # a lot of confusion for users
-    state = fields.Selection([
-        ('setup', 'Setup'),
-        ('done', 'Done'),
-        ], string='State', default='setup', readonly=True)
+    company_id = fields.Many2one(
+        'res.company', string='Company', default=lambda self: self.env.company,
+        required=True)
     warehouse_id = fields.Many2one(
-        'stock.warehouse', string='Warehouse',
-        states={'done': [('readonly', True)]})
+        'stock.warehouse', string='Warehouse', check_company=True,
+        domain="[('company_id', '=', company_id)]")
     location_id = fields.Many2one(
         'stock.location', string='Root Stock Location', required=True,
-        domain=[('usage', 'in', ('view', 'internal'))],
-        default=lambda self: self._default_location(),
-        states={'done': [('readonly', True)]},
+        domain="[('usage', 'in', ('view', 'internal')), ('company_id', '=', company_id)]",
+        default=lambda self: self._default_location(), check_company=True,
         help="The childen locations of the selected locations will "
-        u"be taken in the valuation.")
+        "be taken in the valuation.")
     categ_ids = fields.Many2many(
         'product.category', string='Product Category Filter',
         help="Leave this field empty to have a stock valuation for all your products.",
-        states={'done': [('readonly', True)]},
         )
     source = fields.Selection([
         ('inventory', 'Physical Inventory'),
         ('stock', 'Stock Levels'),
-        ], string='Source data', default='stock', required=True,
-        states={'done': [('readonly', True)]})
+        ], string='Source data', default='stock', required=True)
     inventory_id = fields.Many2one(
-        'stock.inventory', string='Inventory', domain=[('state', '=', 'done')],
-        states={'done': [('readonly', True)]})
+        'stock.inventory', string='Inventory', check_company=True,
+        domain="[('state', '=', 'done'), ('company_id', '=', company_id)]")
     stock_date_type = fields.Selection([
         ('present', 'Present'),
         ('past', 'Past'),
-        ], string='Present or Past', default='present',
-        states={'done': [('readonly', True)]})
+        ], string='Present or Past', default='present')
     past_date = fields.Datetime(
-        string='Past Date', states={'done': [('readonly', True)]},
-        default=fields.Datetime.now)
+        string='Past Date', default=fields.Datetime.now)
     categ_subtotal = fields.Boolean(
         string='Subtotals per Categories', default=True,
-        states={'done': [('readonly', True)]},
         help="Show a subtotal per product category.")
     standard_price_date = fields.Selection([
         ('past', 'Past Date or Inventory Date'),
         ('present', 'Current'),
-        ], default='past', string='Cost Price Date',
-        states={'done': [('readonly', True)]})
-    # I can't put a compute field for has_expiry_date
-    # because I want to have the value when the wizard is started,
-    # and not wait until run
+        ], default='past', string='Cost Price Date')
     has_expiry_date = fields.Boolean(
         default=lambda self: self._default_has_expiry_date(), readonly=True)
     apply_depreciation = fields.Boolean(
-        string='Apply Depreciation Rules', default=True,
-        states={'done': [('readonly', True)]})
-    split_by_lot = fields.Boolean(
-        string='Display Lots', states={'done': [('readonly', True)]})
-    split_by_location = fields.Boolean(
-        string='Display Stock Locations', states={'done': [('readonly', True)]})
+        string='Apply Depreciation Rules', default=True)
+    split_by_lot = fields.Boolean(string='Display Lots')
+    split_by_location = fields.Boolean(string='Display Stock Locations')
 
     @api.model
     def _default_has_expiry_date(self):
@@ -113,7 +97,7 @@ class StockValuationXlsx(models.TransientModel):
                 raise UserError(_(
                     "The selected inventory (%s) is not in done state.")
                     % self.inventory_id.display_name)
-        cost_method_real_count = self.env['ir.property'].search([
+        cost_method_real_count = self.env['ir.property'].sudo().search([
             ('company_id', '=', company_id),
             ('name', '=', 'property_cost_method'),
             ('value_text', '=', 'real'),
@@ -145,7 +129,7 @@ class StockValuationXlsx(models.TransientModel):
     def _prepare_expiry_depreciation_rules(self, company_id, past_date):
         rules = self.env['stock.expiry.depreciation.rule'].search_read([('company_id', '=', company_id)], ['start_limit_days', 'ratio'], order='start_limit_days desc')
         if past_date:
-            date_dt = past_date
+            date_dt = fields.Date.to_date(past_date)  # convert datetime to date
         else:
             date_dt = fields.Date.context_today(self)
         for rule in rules:
@@ -158,23 +142,25 @@ class StockValuationXlsx(models.TransientModel):
         self.ensure_one()
         logger.debug('Start compute_product_data')
         ppo = self.env['product.product']
-        ppho = self.env['product.price.history']
         fields_list = self._prepare_product_fields()
-        if not standard_price_past_date:
+        # if not standard_price_past_date:  # TODO
+        if True:
             fields_list.append('standard_price')
         products = ppo.search_read([('id', 'in', in_stock_product_ids)], fields_list)
         product_id2data = {}
         for p in products:
             logger.debug('p=%d', p['id'])
-            # I don't call the native method get_history_price()
-            # because it requires a browse record and it is too slow
             if standard_price_past_date:
-                history = ppho.search_read([
-                    ('company_id', '=', company_id),
-                    ('product_id', '=', p['id']),
-                    ('datetime', '<=', standard_price_past_date)],
-                    ['cost'], order='datetime desc, id desc', limit=1)
-                standard_price = history and history[0]['cost'] or 0.0
+                # No more product.price.history on v14
+                # We are supposed to use stock.valuation.layer.revaluation
+                # TODO migrate to stock.valuation.layer.revaluation
+                #history = ppho.search_read([
+                #    ('company_id', '=', company_id),
+                #    ('product_id', '=', p['id']),
+                #    ('datetime', '<=', standard_price_past_date)],
+                #    ['cost'], order='datetime desc, id desc', limit=1)
+                #standard_price = history and history[0]['cost'] or 0.0
+                standard_price = p['standard_price']  # TODO remove this tmp stuff
             else:
                 standard_price = p['standard_price']
             product_id2data[p['id']] = {'standard_price': standard_price}
@@ -363,10 +349,9 @@ class StockValuationXlsx(models.TransientModel):
     def generate(self):
         self.ensure_one()
         logger.debug('Start generate XLSX stock valuation report')
-        splo = self.env['stock.production.lot'].with_context(active_test=False)
         prec_qty = self.env['decimal.precision'].precision_get('Product Unit of Measure')
         prec_price = self.env['decimal.precision'].precision_get('Product Price')
-        company = self.env.user.company_id
+        company = self.company_id
         company_id = company.id
         prec_cur_rounding = company.currency_id.rounding
         self._check_config(company_id)
@@ -548,21 +533,17 @@ class StockValuationXlsx(models.TransientModel):
         filename = 'Odoo_stock_%s.xlsx' % stock_time_str.replace(' ', '-').replace(':', '_')
         export_file_b64 = base64.b64encode(file_data.read())
         self.write({
-            'state': 'done',
             'export_filename': filename,
             'export_file': export_file_b64,
             })
-        # action = {
-        #    'name': _('Stock Valuation XLSX'),
-        #    'type': 'ir.actions.act_url',
-        #    'url': "web/content/?model=%s&id=%d&filename_field=export_filename&"
-        #           "field=export_file&download=true&filename=%s" % (
-        #               self._name, self.id, self.export_filename),
-        #    'target': 'self',
-        #    }
-        action = self.env['ir.actions.act_window'].for_xml_id(
-            'stock_valuation_xlsx', 'stock_valuation_xlsx_action')
-        action['res_id'] = self.id
+        action = {
+            'name': _('Stock Valuation XLSX'),
+            'type': 'ir.actions.act_url',
+            'url': "web/content/?model=%s&id=%d&filename_field=export_filename&"
+                   "field=export_file&download=true&filename=%s" % (
+                       self._name, self.id, self.export_filename),
+            'target': 'new',
+            }
         return action
 
     def _prepare_styles(self, workbook, company, prec_price):
@@ -570,8 +551,8 @@ class StockValuationXlsx(models.TransientModel):
         categ_bg_color = '#e1daf5'
         col_title_bg_color = '#fff9b4'
         regular_font_size = 10
-        currency_num_format = u'# ### ##0.00 %s' % company.currency_id.symbol
-        price_currency_num_format = u'# ### ##0.%s %s' % ('0' * prec_price, company.currency_id.symbol)
+        currency_num_format = '# ### ##0.00 %s' % company.currency_id.symbol
+        price_currency_num_format = '# ### ##0.%s %s' % ('0' * prec_price, company.currency_id.symbol)
         styles = {
             'doc_title': workbook.add_format({
                 'bold': True, 'font_size': regular_font_size + 10,
@@ -591,7 +572,7 @@ class StockValuationXlsx(models.TransientModel):
             'regular_date': workbook.add_format({'num_format': 'dd/mm/yyyy'}),
             'regular_currency': workbook.add_format({'num_format': currency_num_format}),
             'regular_price_currency': workbook.add_format({'num_format': price_currency_num_format}),
-            'regular_int_percent': workbook.add_format({'num_format': u'0.%'}),
+            'regular_int_percent': workbook.add_format({'num_format': '0.%'}),
             'regular': workbook.add_format({}),
             'regular_small': workbook.add_format({'font_size': regular_font_size - 2}),
             'categ_title': workbook.add_format({

stock_valuation_xlsx/wizard/stock_valuation_xlsx_view.xml

@@ -17,7 +17,7 @@
                 <p>The generated XLSX report has the valuation of stockable products located on the selected stock locations (and their childrens).</p>
             </div>
             <group name="setup">
-                <field name="state" invisible="1"/>
+                <field name="company_id" groups="base.group_multi_company"/>
                 <field name="categ_ids" widget="many2many_tags"/>
                 <field name="warehouse_id"/>
                 <field name="location_id"/>
@@ -32,15 +32,9 @@
                 <field name="split_by_location" attrs="{'invisible': [('source', '=', 'stock'), ('stock_date_type', '=', 'past')]}"/>
                 <field name="apply_depreciation" groups="stock.group_production_lot" attrs="{'invisible': ['|', '|', ('split_by_lot', '=', False), ('has_expiry_date', '=', False), '&amp;', ('source', '=', 'stock'), ('stock_date_type', '=', 'past')]}"/>
             </group>
-            <group name="done" states="done" string="Result">
-                <field name="export_file" filename="export_filename"/>
-                <field name="export_filename" invisible="1"/>
-            </group>
             <footer>
-                <button name="generate" type="object" states="setup"
-                    class="btn-primary" string="Generate"/>
-                <button special="cancel" string="Cancel" class="btn-default" states="setup"/>
-                <button special="cancel" string="Close" class="btn-default" states="done"/>
+                <button name="generate" type="object" class="btn-primary" string="Generate"/>
+                <button special="cancel" string="Close" class="btn-default"/>
             </footer>
         </form>
     </field>

stock_valuation_xlsx/wizard/stock_variation_xlsx.py

@@ -0,0 +1,458 @@
+# Copyright 2020-2021 Akretion France (http://www.akretion.com/)
+# @author Alexis de Lattre <alexis.delattre@akretion.com>
+# License AGPL-3.0 or later (https://www.gnu.org/licenses/agpl).
+
+from odoo import models, fields, api, _
+from odoo.exceptions import UserError
+from odoo.tools import float_is_zero, float_round
+from io import BytesIO
+import base64
+from datetime import datetime
+import xlsxwriter
+import logging
+logger = logging.getLogger(__name__)
+
+
+class StockVariationXlsx(models.TransientModel):
+    _name = 'stock.variation.xlsx'
+    _check_company_auto = True
+    _description = 'Generate XLSX report for stock valuation variation between 2 dates'
+
+    export_file = fields.Binary(string='XLSX Report', readonly=True, attachment=True)
+    export_filename = fields.Char(readonly=True)
+    company_id = fields.Many2one(
+        'res.company', string='Company', default=lambda self: self.env.company,
+        required=True)
+    warehouse_id = fields.Many2one(
+        'stock.warehouse', string='Warehouse', check_company=True,
+        domain="[('company_id', '=', company_id)]")
+    location_id = fields.Many2one(
+        'stock.location', string='Root Stock Location', required=True,
+        domain="[('usage', 'in', ('view', 'internal')), ('company_id', '=', company_id)]",
+        default=lambda self: self._default_location(), check_company=True,
+        help="The childen locations of the selected locations will "
+        "be taken in the valuation.")
+    categ_ids = fields.Many2many(
+        'product.category', string='Product Category Filter',
+        help="Leave this fields empty to have a stock valuation for all your products.")
+    start_date = fields.Datetime(
+        string='Start Date', required=True)
+    standard_price_start_date_type = fields.Selection([
+        ('start', 'Start Date'),
+        ('present', 'Current'),
+        ], default='start', required=True,
+        string='Cost Price for Start Date')
+    end_date_type = fields.Selection([
+        ('present', 'Present'),
+        ('past', 'Past'),
+        ], string='End Date Type', default='present', required=True)
+    end_date = fields.Datetime(
+        string='End Date', default=fields.Datetime.now)
+    standard_price_end_date_type = fields.Selection([
+        ('end', 'End Date'),
+        ('present', 'Current'),
+        ], default='end', string='Cost Price for End Date', required=True)
+    categ_subtotal = fields.Boolean(
+        string='Subtotals per Categories', default=True,
+        help="Show a subtotal per product category.")
+
+    @api.model
+    def _default_location(self):
+        wh = self.env.ref('stock.warehouse0')
+        return wh.lot_stock_id
+
+    @api.onchange('warehouse_id')
+    def warehouse_id_change(self):
+        if self.warehouse_id:
+            self.location_id = self.warehouse_id.view_location_id.id
+
+    def _check_config(self, company_id):
+        self.ensure_one()
+        present = fields.Datetime.now()
+        if self.end_date_type == 'past':
+            if not self.end_date:
+                raise UserError(_("End Date is missing."))
+            if self.end_date > present:
+                raise UserError(_("The end date must be in the past."))
+            if self.end_date <= self.start_date:
+                raise UserError(_("The start date must be before the end date."))
+        else:
+            if self.start_date >= present:
+                raise UserError(_("The start date must be in the past."))
+        cost_method_real_count = self.env['ir.property'].sudo().search([
+            ('company_id', '=', company_id),
+            ('name', '=', 'property_cost_method'),
+            ('value_text', '=', 'real'),
+            ('type', '=', 'selection'),
+            ], count=True)
+        if cost_method_real_count:
+            raise UserError(_(
+                "There are %d properties that have "
+                "'Costing Method' = 'Real Price'. This costing "
+                "method is not supported by this module.")
+                % cost_method_real_count)
+
+    def _prepare_product_domain(self):
+        self.ensure_one()
+        domain = [('type', '=', 'product')]
+        if self.categ_ids:
+            domain += [('categ_id', 'child_of', self.categ_ids.ids)]
+        return domain
+
+    def get_product_ids(self):
+        self.ensure_one()
+        domain = self._prepare_product_domain()
+        # Should we also add inactive products ??
+        products = self.env['product.product'].search(domain)
+        return products.ids
+
+    def _prepare_product_fields(self):
+        return ['uom_id', 'name', 'default_code', 'categ_id']
+
+    def compute_product_data(
+            self, company_id, filter_product_ids,
+            standard_price_start_date=False, standard_price_end_date=False):
+        self.ensure_one()
+        logger.debug('Start compute_product_data')
+        ppo = self.env['product.product']
+        fields_list = self._prepare_product_fields()
+        # if not standard_price_start_date or not standard_price_end_date:  # TODO
+        if True:
+            fields_list.append('standard_price')
+        products = ppo.search_read([('id', 'in', filter_product_ids)], fields_list)
+        product_id2data = {}
+        for p in products:
+            logger.debug('p=%d', p['id'])
+            if standard_price_start_date:
+                # No more product.price.history on v14
+                # We are supposed to use stock.valuation.layer.revaluation
+                # TODO migrate to stock.valuation.layer.revaluation
+                #history = ppho.search_read([
+                #    ('company_id', '=', company_id),
+                #    ('product_id', '=', p['id']),
+                #    ('datetime', '<=', standard_price_start_date)],
+                #    ['cost'], order='datetime desc, id desc', limit=1)
+                #start_standard_price = history and history[0]['cost'] or 0.0
+                start_standard_price = p['standard_price']  # TODO remove this tmp stuff
+            else:
+                start_standard_price = p['standard_price']
+            if standard_price_end_date:
+                #history = ppho.search_read([
+                #    ('company_id', '=', company_id),
+                #    ('product_id', '=', p['id']),
+                #    ('datetime', '<=', standard_price_end_date)],
+                #    ['cost'], order='datetime desc, id desc', limit=1)
+                #end_standard_price = history and history[0]['cost'] or 0.0
+                end_standard_price = p['standard_price']  # TODO remove this tmp stuff
+            else:
+                end_standard_price = p['standard_price']
+
+            product_id2data[p['id']] = {
+                'start_standard_price': start_standard_price,
+                'end_standard_price': end_standard_price,
+                }
+            for pfield in fields_list:
+                if pfield.endswith('_id'):
+                    product_id2data[p['id']][pfield] = p[pfield][0]
+                else:
+                    product_id2data[p['id']][pfield] = p[pfield]
+        logger.debug('End compute_product_data')
+        return product_id2data
+
+    def compute_data_from_stock(self, product_ids, prec_qty, start_date, end_date_type, end_date, company_id):
+        self.ensure_one()
+        logger.debug('Start compute_data_from_stock past_date=%s end_date_type=%s, end_date=%s', start_date, end_date_type, end_date)
+        ppo = self.env['product.product']
+        smo = self.env['stock.move']
+        sqo = self.env['stock.quant']
+        ppo_loc = ppo.with_context(location=self.location_id.id).with_company(company_id)
+        # Inspired by odoo/addons/stock/models/product.py
+        # method _compute_quantities_dict()
+        domain_quant_loc, domain_move_in_loc, domain_move_out_loc = ppo_loc._get_domain_locations()
+        domain_quant = [('product_id', 'in', product_ids)] + domain_quant_loc
+        domain_move_in = [('product_id', 'in', product_ids), ('state', '=', 'done')] + domain_move_in_loc
+        domain_move_out = [('product_id', 'in', product_ids), ('state', '=', 'done')] + domain_move_out_loc
+        quants_res = dict((item['product_id'][0], item['quantity']) for item in sqo.read_group(domain_quant, ['product_id', 'quantity'], ['product_id'], orderby='id'))
+        domain_move_in_start_to_end = [('date', '>', start_date)] + domain_move_in
+        domain_move_out_start_to_end = [('date', '>', start_date)] + domain_move_out
+        if end_date_type == 'past':
+
+            domain_move_in_end_to_present = [('date', '>', end_date)] + domain_move_in
+            domain_move_out_end_to_present = [('date', '>', end_date)] + domain_move_out
+            moves_in_res_end_to_present = dict((item['product_id'][0], item['product_qty']) for item in smo.read_group(domain_move_in_end_to_present, ['product_id', 'product_qty'], ['product_id'], orderby='id'))
+            moves_out_res_end_to_present = dict((item['product_id'][0], item['product_qty']) for item in smo.read_group(domain_move_out_end_to_present, ['product_id', 'product_qty'], ['product_id'], orderby='id'))
+
+            domain_move_in_start_to_end += [('date', '<', end_date)]
+            domain_move_out_start_to_end += [('date', '<', end_date)]
+
+        moves_in_res_start_to_end = dict((item['product_id'][0], item['product_qty']) for item in smo.read_group(domain_move_in_start_to_end, ['product_id', 'product_qty'], ['product_id'], orderby='id'))
+        moves_out_res_start_to_end = dict((item['product_id'][0], item['product_qty']) for item in smo.read_group(domain_move_out_start_to_end, ['product_id', 'product_qty'], ['product_id'], orderby='id'))
+
+        product_data = {}  # key = product_id , value = dict
+        for product in ppo.browse(product_ids):
+            end_qty = quants_res.get(product.id, 0.0)
+            if end_date_type == 'past':
+                end_qty += moves_out_res_end_to_present.get(product.id, 0.0) - moves_in_res_end_to_present.get(product.id, 0.0)
+            in_qty = moves_in_res_start_to_end.get(product.id, 0.0)
+            out_qty = moves_out_res_start_to_end.get(product.id, 0.0)
+            start_qty = end_qty - in_qty + out_qty
+            if (
+                    not float_is_zero(start_qty, precision_digits=prec_qty) or
+                    not float_is_zero(in_qty, precision_digits=prec_qty) or
+                    not float_is_zero(out_qty, precision_digits=prec_qty) or
+                    not float_is_zero(end_qty, precision_digits=prec_qty)):
+                product_data[product.id] = {
+                    'product_id': product.id,
+                    'start_qty': start_qty,
+                    'in_qty': in_qty,
+                    'out_qty': out_qty,
+                    'end_qty': end_qty,
+                    }
+        logger.debug('End compute_data_from_stock')
+        return product_data
+
+    def stringify_and_sort_result(
+            self, product_data, product_id2data, prec_qty, prec_price, prec_cur_rounding,
+            categ_id2name, uom_id2name):
+        logger.debug('Start stringify_and_sort_result')
+        res = []
+        for product_id, l in product_data.items():
+            start_qty = float_round(l['start_qty'], precision_digits=prec_qty)
+            in_qty = float_round(l['in_qty'], precision_digits=prec_qty)
+            out_qty = float_round(l['out_qty'], precision_digits=prec_qty)
+            end_qty = float_round(l['end_qty'], precision_digits=prec_qty)
+            start_standard_price = float_round(
+                product_id2data[product_id]['start_standard_price'],
+                precision_digits=prec_price)
+            end_standard_price = float_round(
+                product_id2data[product_id]['end_standard_price'],
+                precision_digits=prec_price)
+            start_subtotal = float_round(
+                start_standard_price * start_qty, precision_rounding=prec_cur_rounding)
+            end_subtotal = float_round(
+                end_standard_price * end_qty, precision_rounding=prec_cur_rounding)
+            variation = float_round(
+                end_subtotal - start_subtotal, precision_rounding=prec_cur_rounding)
+            res.append(dict(
+                product_id2data[product_id],
+                product_name=product_id2data[product_id]['name'],
+                start_qty=start_qty,
+                start_standard_price=start_standard_price,
+                start_subtotal=start_subtotal,
+                in_qty=in_qty,
+                out_qty=out_qty,
+                end_qty=end_qty,
+                end_standard_price=end_standard_price,
+                end_subtotal=end_subtotal,
+                variation=variation,
+                uom_name=uom_id2name[product_id2data[product_id]['uom_id']],
+                categ_name=categ_id2name[product_id2data[product_id]['categ_id']],
+                ))
+        sort_res = sorted(res, key=lambda x: x['product_name'])
+        logger.debug('End stringify_and_sort_result')
+        return sort_res
+
+    def generate(self):
+        self.ensure_one()
+        logger.debug('Start generate XLSX stock variation report')
+        svxo = self.env['stock.valuation.xlsx']
+        prec_qty = self.env['decimal.precision'].precision_get('Product Unit of Measure')
+        prec_price = self.env['decimal.precision'].precision_get('Product Price')
+        company = self.company_id
+        company_id = company.id
+        prec_cur_rounding = company.currency_id.rounding
+        self._check_config(company_id)
+
+        product_ids = self.get_product_ids()
+        if not product_ids:
+            raise UserError(_("There are no products to analyse."))
+
+        product_data = self.compute_data_from_stock(
+            product_ids, prec_qty, self.start_date, self.end_date_type, self.end_date,
+            company_id)
+        standard_price_start_date = standard_price_end_date = False
+        if self.standard_price_start_date_type == 'start':
+            standard_price_start_date = self.start_date
+        if self.standard_price_end_date_type == 'end':
+            standard_price_end_date = self.end_date
+
+        product_id2data = self.compute_product_data(
+            company_id, list(product_data.keys()),
+            standard_price_start_date, standard_price_end_date)
+        categ_id2name = svxo.product_categ_id2name(self.categ_ids)
+        uom_id2name = svxo.uom_id2name()
+        res = self.stringify_and_sort_result(
+            product_data, product_id2data, prec_qty, prec_price, prec_cur_rounding,
+            categ_id2name, uom_id2name)
+
+        logger.debug('Start create XLSX workbook')
+        file_data = BytesIO()
+        workbook = xlsxwriter.Workbook(file_data)
+        sheet = workbook.add_worksheet('Stock_Variation')
+        styles = svxo._prepare_styles(workbook, company, prec_price)
+        cols = self._prepare_cols()
+        categ_subtotal = self.categ_subtotal
+        # remove cols that we won't use
+        if not categ_subtotal:
+            cols.pop('categ_subtotal', None)
+
+        j = 0
+        for col, col_vals in sorted(cols.items(), key=lambda x: x[1]['sequence']):
+            cols[col]['pos'] = j
+            cols[col]['pos_letter'] = chr(j + 97).upper()
+            sheet.set_column(j, j, cols[col]['width'])
+            j += 1
+
+        # HEADER
+        now_dt = fields.Datetime.context_timestamp(self, datetime.now())
+        now_str = fields.Datetime.to_string(now_dt)
+        start_time_utc_dt = self.start_date
+        start_time_dt = fields.Datetime.context_timestamp(self, start_time_utc_dt)
+        start_time_str = fields.Datetime.to_string(start_time_dt)
+        if self.end_date_type == 'past':
+            end_time_utc_dt = self.end_date
+            end_time_dt = fields.Datetime.context_timestamp(self, end_time_utc_dt)
+            end_time_str = fields.Datetime.to_string(end_time_dt)
+        else:
+            end_time_str = now_str
+        if standard_price_start_date:
+            standard_price_start_date_str = start_time_str
+        else:
+            standard_price_start_date_str = now_str
+        if standard_price_end_date:
+            standard_price_end_date_str = end_time_str
+        else:
+            standard_price_end_date_str = now_str
+        i = 0
+        sheet.write(i, 0, 'Odoo - Stock Valuation Variation', styles['doc_title'])
+        sheet.set_row(0, 26)
+        i += 1
+        sheet.write(i, 0, 'Start Date: %s' % start_time_str, styles['doc_subtitle'])
+        i += 1
+        sheet.write(i, 0, 'Cost Price Start Date: %s' % standard_price_start_date_str, styles['doc_subtitle'])
+        i += 1
+        sheet.write(i, 0, 'End Date: %s' % end_time_str, styles['doc_subtitle'])
+        i += 1
+        sheet.write(i, 0, 'Cost Price End Date: %s' % standard_price_end_date_str, styles['doc_subtitle'])
+        i += 1
+        sheet.write(i, 0, 'Stock location (children included): %s' % self.location_id.complete_name, styles['doc_subtitle'])
+        if self.categ_ids:
+            i += 1
+            sheet.write(i, 0, 'Product Categories: %s' % ', '.join([categ.display_name for categ in self.categ_ids]), styles['doc_subtitle'])
+        i += 1
+        sheet.write(i, 0, 'Generated on %s by %s' % (now_str, self.env.user.name), styles['regular_small'])
+
+        # TITLE of COLS
+        i += 2
+        for col in cols.values():
+            sheet.write(i, col['pos'], col['title'], styles['col_title'])
+
+        i += 1
+        sheet.write(i, 0, _("TOTALS:"), styles['total_title'])
+        total_row = i
+
+        # LINES
+        if categ_subtotal:
+            categ_ids = categ_id2name.keys()
+        else:
+            categ_ids = [0]
+
+        start_total = end_total = variation_total = 0.0
+        letter_start_qty = cols['start_qty']['pos_letter']
+        letter_in_qty = cols['in_qty']['pos_letter']
+        letter_out_qty = cols['out_qty']['pos_letter']
+        letter_end_qty = cols['end_qty']['pos_letter']
+        letter_start_price = cols['start_standard_price']['pos_letter']
+        letter_end_price = cols['end_standard_price']['pos_letter']
+        letter_start_subtotal = cols['start_subtotal']['pos_letter']
+        letter_end_subtotal = cols['end_subtotal']['pos_letter']
+        letter_variation = cols['variation']['pos_letter']
+        crow = 0
+        lines = res
+        for categ_id in categ_ids:
+            ctotal = 0.0
+            categ_has_line = False
+            if categ_subtotal:
+                # skip a line and save it's position as crow
+                i += 1
+                crow = i
+                lines = filter(lambda x: x['categ_id'] == categ_id, res)
+            for l in lines:
+                i += 1
+                start_total += l['start_subtotal']
+                end_total += l['end_subtotal']
+                variation_total += l['variation']
+                ctotal += l['variation']
+                categ_has_line = True
+                end_qty_formula = '=%s%d+%s%d-%s%d' % (letter_start_qty, i + 1, letter_in_qty, i + 1, letter_out_qty, i + 1)
+                sheet.write_formula(i, cols['end_qty']['pos'], end_qty_formula, styles[cols['end_qty']['style']], l['end_qty'])
+                start_subtotal_formula = '=%s%d*%s%d' % (letter_start_qty, i + 1, letter_start_price, i + 1)
+                sheet.write_formula(i, cols['start_subtotal']['pos'], start_subtotal_formula, styles[cols['start_subtotal']['style']], l['start_subtotal'])
+                end_subtotal_formula = '=%s%d*%s%d' % (letter_end_qty, i + 1, letter_end_price, i + 1)
+                sheet.write_formula(i, cols['end_subtotal']['pos'], end_subtotal_formula, styles[cols['end_subtotal']['style']], l['end_subtotal'])
+                variation_formula = '=%s%d-%s%d' % (letter_end_subtotal, i + 1, letter_start_subtotal, i + 1)
+                sheet.write_formula(i, cols['variation']['pos'], variation_formula, styles[cols['variation']['style']], l['variation'])
+                sheet.write_formula(i, cols['end_subtotal']['pos'], end_subtotal_formula, styles[cols['end_subtotal']['style']], l['end_subtotal'])
+                for col_name, col in cols.items():
+                    if not col.get('formula'):
+                        if col.get('type') == 'date' and l[col_name]:
+                            l[col_name] = fields.Date.from_string(l[col_name])
+                        sheet.write(i, col['pos'], l[col_name], styles[col['style']])
+            if categ_subtotal:
+                if categ_has_line:
+                    sheet.write(crow, 0, categ_id2name[categ_id], styles['categ_title'])
+                    for x in range(cols['categ_subtotal']['pos'] - 1):
+                        sheet.write(crow, x + 1, '', styles['categ_title'])
+
+                    cformula = '=SUM(%s%d:%s%d)' % (letter_variation, crow + 2, letter_variation, i + 1)
+                    sheet.write_formula(crow, cols['categ_subtotal']['pos'], cformula, styles['categ_currency'], float_round(ctotal, precision_rounding=prec_cur_rounding))
+                else:
+                    i -= 1  # go back to skipped line
+
+        # Write total
+        start_total_formula = '=SUM(%s%d:%s%d)' % (letter_start_subtotal, total_row + 2, letter_start_subtotal, i + 1)
+        sheet.write_formula(total_row, cols['start_subtotal']['pos'], start_total_formula, styles['total_currency'], float_round(start_total, precision_rounding=prec_cur_rounding))
+        end_total_formula = '=SUM(%s%d:%s%d)' % (letter_end_subtotal, total_row + 2, letter_end_subtotal, i + 1)
+        sheet.write_formula(total_row, cols['end_subtotal']['pos'], end_total_formula, styles['total_currency'], float_round(end_total, precision_rounding=prec_cur_rounding))
+        variation_total_formula = '=SUM(%s%d:%s%d)' % (letter_variation, total_row + 2, letter_variation, i + 1)
+        sheet.write_formula(total_row, cols['variation']['pos'], variation_total_formula, styles['total_currency'], float_round(variation_total, precision_rounding=prec_cur_rounding))
+
+        workbook.close()
+        logger.debug('End create XLSX workbook')
+        file_data.seek(0)
+        filename = 'Odoo_stock_%s_%s.xlsx' % (
+            start_time_str.replace(' ', '-').replace(':', '_'),
+            end_time_str.replace(' ', '-').replace(':', '_'))
+        export_file_b64 = base64.b64encode(file_data.read())
+        self.write({
+            'export_filename': filename,
+            'export_file': export_file_b64,
+            })
+        action = {
+            'name': _('Stock Variation XLSX'),
+            'type': 'ir.actions.act_url',
+            'url': "web/content/?model=%s&id=%d&filename_field=export_filename&"
+                   "field=export_file&download=true&filename=%s" % (
+                       self._name, self.id, self.export_filename),
+            'target': 'new',
+            }
+        return action
+
+    def _prepare_cols(self):
+        cols = {
+            'default_code': {'width': 18, 'style': 'regular', 'sequence': 10, 'title': _('Product Code')},
+            'product_name': {'width': 40, 'style': 'regular', 'sequence': 20, 'title': _('Product Name')},
+            'uom_name': {'width': 5, 'style': 'regular_small', 'sequence': 30, 'title': _('UoM')},
+            'start_qty': {'width': 8, 'style': 'regular', 'sequence': 40, 'title': _('Start Qty')},
+            'start_standard_price': {'width': 14, 'style': 'regular_price_currency', 'sequence': 50, 'title': _('Start Cost Price')},
+            'start_subtotal': {'width': 16, 'style': 'regular_currency', 'sequence': 60, 'title': _('Start Value'), 'formula': True},
+            'in_qty': {'width': 8, 'style': 'regular', 'sequence': 70, 'title': _('In Qty')},
+            'out_qty': {'width': 8, 'style': 'regular', 'sequence': 80, 'title': _('Out Qty')},
+            'end_qty': {'width': 8, 'style': 'regular', 'sequence': 90, 'title': _('End Qty'), 'formula': True},
+            'end_standard_price': {'width': 14, 'style': 'regular_price_currency', 'sequence': 100, 'title': _('End Cost Price')},
+            'end_subtotal': {'width': 16, 'style': 'regular_currency', 'sequence': 110, 'title': _('End Value'), 'formula': True},
+            'variation': {'width': 16, 'style': 'regular_currency', 'sequence': 120, 'title': _('Variation'), 'formula': True},
+            'categ_subtotal': {'width': 16, 'style': 'regular_currency', 'sequence': 130, 'title': _('Categ Sub-total'), 'formula': True},
+            'categ_name': {'width': 40, 'style': 'regular_small', 'sequence': 140, 'title': _('Product Category')},
+            }
+        return cols

stock_valuation_xlsx/wizard/stock_variation_xlsx_view.xml

@@ -0,0 +1,55 @@
+<?xml version="1.0" encoding="utf-8"?>
+<!--
+  Copyright 2021 Akretion France (http://www.akretion.com/)
+  @author: Alexis de Lattre <alexis.delattre@akretion.com>
+  License AGPL-3.0 or later (http://www.gnu.org/licenses/agpl).
+-->
+
+<odoo>
+
+
+<record id="stock_variation_xlsx_form" model="ir.ui.view">
+    <field name="name">stock.variation.xlsx.form</field>
+    <field name="model">stock.variation.xlsx</field>
+    <field name="arch"  type="xml">
+        <form string="Stock variation XLSX">
+            <div name="help">
+                <p>The generated XLSX report has the valuation of stockable products located on the selected stock locations (and their childrens).</p>
+            </div>
+            <group name="setup">
+                <field name="company_id" groups="base.group_multi_company"/>
+                <field name="categ_ids" widget="many2many_tags"/>
+                <field name="warehouse_id"/>
+                <field name="location_id"/>
+                <field name="categ_subtotal" />
+            </group>
+            <group name="start_end">
+                <group name="start" string="Start">
+                    <field name="start_date"/>
+                    <field name="standard_price_start_date_type"/>
+                </group>
+                <group name="end" string="End">
+                    <field name="end_date_type"/>
+                    <field name="end_date" attrs="{'invisible': [('end_date_type', '!=', 'past')], 'required': [('end_date_type', '=', 'past')]}"/>
+                    <field name="standard_price_end_date_type"/>
+                </group>
+            </group>
+            <footer>
+                <button name="generate" type="object" class="btn-primary" string="Generate"/>
+                <button special="cancel" string="Close" class="btn-default"/>
+            </footer>
+        </form>
+    </field>
+</record>
+
+<record id="stock_variation_xlsx_action" model="ir.actions.act_window">
+    <field name="name">Stock Variation XLSX</field>
+    <field name="res_model">stock.variation.xlsx</field>
+    <field name="view_mode">form</field>
+    <field name="target">new</field>
+</record>
+
+<!-- Replace native menu, to avoid user confusion -->
+<menuitem id="stock_variation_xlsx_menu" action="stock_variation_xlsx_action" parent="stock.menu_warehouse_report" sequence="1"/>
+
+</odoo>

web_tab_title/__manifest__.py

@@ -0,0 +1,23 @@
+# Copyright 2021 Akretion
+# License AGPL-3.0 or later (http://www.gnu.org/licenses/agpl).
+
+{
+    'name': 'Web Tab Title',
+    'description': """
+        Automatically set tab document.title when empty.
+        Important limitation: the tab will get its title only once you browse it.
+    """,
+    'version': '14.0.1.0.0',
+    'license': 'AGPL-3',
+    'author': 'Akretion',
+    'website': 'akretion.com',
+    'depends': [
+        'web',
+    ],
+    'data': [
+    ],
+    'demo': [
+    ],
+    "data": ["views/web_tab_title.xml"],
+    "maintainers": ["rvalyi"],
+}

web_tab_title/static/src/js/abstract_web_client.js

@@ -0,0 +1,29 @@
+/* global vis, py */
+odoo.define("web_tab_title.AbstractWebClient", function (require) {
+    "use strict";
+
+    var AbstractWebClient = require('web.AbstractWebClient');
+
+    var TabTitleAbstractWebClient = AbstractWebClient.include({
+
+        _title_changed: function () {
+            // like the original except we change the title
+            // only when it's different from "Odoo" to avoid
+            // resetting the tab title when switching tabs.
+            var parts = _.sortBy(_.keys(this.get("title_part")), function (x) { return x; });
+            var tmp = "";
+            _.each(parts, function (part) {
+                var str = this.get("title_part")[part];
+                if (str) {
+                    tmp = tmp ? tmp + " - " + str : str;
+                }
+            }, this);
+            if (tmp != "Odoo") {
+                document.title = tmp;
+            }
+        },
+
+    });
+
+    return TabTitleAbstractWebClient;
+});

web_tab_title/static/src/js/form_controller.js

@@ -0,0 +1,31 @@
+/* global vis, py */
+odoo.define("web_tab_title.FormController", function (require) {
+    "use strict";
+
+    var FormController = require('web.FormController');
+
+    var TabTitleController = FormController.include({
+
+        on_attach_callback: function () {
+            this._super.apply(this, arguments);
+
+            if (document.title == "Odoo") {
+              var form_name_elem = $("div.oe_title>h1");
+              if (form_name_elem.length == 0) {
+                form_name_elem = $('span.o_field_char[name="name"]')
+              }
+              var title = form_name_elem.text();
+              if (title !== '') {
+                // alternatively we could access the record
+                // in views/basic/basic_model.js
+                // but we would also we miss the model name
+                document.title = title + " - Odoo";
+              }
+            }
+
+        },
+
+    });
+
+    return TabTitleController;
+});

web_tab_title/views/web_tab_title.xml

@@ -0,0 +1,19 @@
+<?xml version="1.0" encoding="utf-8" ?>
+<odoo>
+    <template
+        id="assets_backend"
+        name="web_timeline assets"
+        inherit_id="web.assets_backend"
+    >
+        <xpath expr="." position="inside">
+            <script
+                type="text/javascript"
+                src="/web_tab_title/static/src/js/form_controller.js"
+            />
+            <script
+                type="text/javascript"
+                src="/web_tab_title/static/src/js/abstract_web_client.js"
+            />
+        </xpath>
+    </template>
+</odoo>