[16.0] [MIG] l10n_it_fatturapa_out_welfare

l10n_it_fatturapa_out_welfare/README.rst

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+===============================================
+ITA - Fattura elettronica - Cassa previdenziale
+===============================================
+
+.. 
+   !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
+   !! This file is generated by oca-gen-addon-readme !!
+   !! changes will be overwritten.                   !!
+   !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
+   !! source digest: sha256:39c47c12e384ba9f8bdfce9c52ff9edc83401c89607db51ba5d36b480121add3
+   !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
+
+.. |badge1| image:: https://img.shields.io/badge/maturity-Beta-yellow.png
+    :target: https://odoo-community.org/page/development-status
+    :alt: Beta
+.. |badge2| image:: https://img.shields.io/badge/licence-AGPL--3-blue.png
+    :target: http://www.gnu.org/licenses/agpl-3.0-standalone.html
+    :alt: License: AGPL-3
+.. |badge3| image:: https://img.shields.io/badge/github-OCA%2Fl10n--italy-lightgray.png?logo=github
+    :target: https://github.com/OCA/l10n-italy/tree/16.0/l10n_it_fatturapa_out_welfare
+    :alt: OCA/l10n-italy
+.. |badge4| image:: https://img.shields.io/badge/weblate-Translate%20me-F47D42.png
+    :target: https://translation.odoo-community.org/projects/l10n-italy-16-0/l10n-italy-16-0-l10n_it_fatturapa_out_welfare
+    :alt: Translate me on Weblate
+.. |badge5| image:: https://img.shields.io/badge/runboat-Try%20me-875A7B.png
+    :target: https://runboat.odoo-community.org/builds?repo=OCA/l10n-italy&target_branch=16.0
+    :alt: Try me on Runboat
+
+|badge1| |badge2| |badge3| |badge4| |badge5|
+
+**Italiano**
+
+Aggiungere la cassa previdenziale alla fattura e alla fattura
+elettronica.
+
+**English**
+
+Add Welfare Amount to Invoice and Electronic Invoice.
+
+**Table of contents**
+
+.. contents::
+   :local:
+
+Configuration
+=============
+
+**Italiano**
+
+In Fatturazione > Configurazione > Contabilità > Fiscalità italiana >
+Fatturazione elettronica > Importi cassa previdenziale, creare le casse
+previdenziali.
+
+**English**
+
+In Accounting > Configuration > Accounting > Italian Localization >
+Electronic invoicing > Welfare Fund Type Amounts, create the welfare
+amounts.
+
+Usage
+=====
+
+**Italiano**
+
+Nella fattura, impostare le casse previdenziali configurate e cliccare
+su "Genera righe cassa previdenziale".
+
+**English**
+
+In the invoice, set the configured welfares and click on "Generate
+Welfare Lines".
+
+Bug Tracker
+===========
+
+Bugs are tracked on `GitHub Issues <https://github.com/OCA/l10n-italy/issues>`_.
+In case of trouble, please check there if your issue has already been reported.
+If you spotted it first, help us to smash it by providing a detailed and welcomed
+`feedback <https://github.com/OCA/l10n-italy/issues/new?body=module:%20l10n_it_fatturapa_out_welfare%0Aversion:%2016.0%0A%0A**Steps%20to%20reproduce**%0A-%20...%0A%0A**Current%20behavior**%0A%0A**Expected%20behavior**>`_.
+
+Do not contact contributors directly about support or help with technical issues.
+
+Credits
+=======
+
+Authors
+-------
+
+* TAKOBI
+
+Maintainers
+-----------
+
+This module is maintained by the OCA.
+
+.. image:: https://odoo-community.org/logo.png
+   :alt: Odoo Community Association
+   :target: https://odoo-community.org
+
+OCA, or the Odoo Community Association, is a nonprofit organization whose
+mission is to support the collaborative development of Odoo features and
+promote its widespread use.
+
+This module is part of the `OCA/l10n-italy <https://github.com/OCA/l10n-italy/tree/16.0/l10n_it_fatturapa_out_welfare>`_ project on GitHub.
+
+You are welcome to contribute. To learn how please visit https://odoo-community.org/page/Contribute.

l10n_it_fatturapa_out_welfare/__init__.py

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+#  License AGPL-3.0 or later (https://www.gnu.org/licenses/agpl).
+
+from . import models
+from . import wizards

l10n_it_fatturapa_out_welfare/__manifest__.py

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+#  Copyright 2022 Simone Rubino - TAKOBI
+#  License AGPL-3.0 or later (https://www.gnu.org/licenses/agpl).
+{
+    "name": "ITA - Fattura elettronica - Cassa previdenziale",
+    "summary": "Registrazione della cassa previdenziale "
+    "nelle fatture elettroniche in uscita",
+    "version": "16.0.1.0.0",
+    "development_status": "Beta",
+    "category": "Localization/Italy",
+    "website": "https://github.com/OCA/l10n-italy",
+    "author": "TAKOBI, Odoo Community Association (OCA)",
+    "license": "AGPL-3",
+    "depends": [
+        "account",
+        "l10n_it_fatturapa_out_wt",
+        "l10n_it_payment_reason",
+    ],
+    "data": [
+        "security/ir.model.access.csv",
+        "views/account_move_views.xml",
+        "views/invoice_it_template.xml",
+        "views/welfare_fund_type_amount_views.xml",
+    ],
+}

l10n_it_fatturapa_out_welfare/i18n/it.po

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+# Translation of Odoo Server.
+# This file contains the translation of the following modules:
+# 	* l10n_it_fatturapa_out_welfare
+#
+msgid ""
+msgstr ""
+"Project-Id-Version: Odoo Server 12.0\n"
+"Report-Msgid-Bugs-To: \n"
+"POT-Creation-Date: 2022-08-19 13:06+0000\n"
+"PO-Revision-Date: 2023-04-26 16:05+0000\n"
+"Last-Translator: mymage <stefano.consolaro@mymage.it>\n"
+"Language-Team: \n"
+"Language: it\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: \n"
+"Plural-Forms: nplurals=2; plural=n != 1;\n"
+"X-Generator: Weblate 4.14.1\n"
+
+#. module: l10n_it_fatturapa_out_welfare
+#: model:ir.model.fields,field_description:l10n_it_fatturapa_out_welfare.field_welfare_fund_type_amount__administration_reference
+msgid "Administration Reference"
+msgstr "Riferimento amministrativo"
+
+#. module: l10n_it_fatturapa_out_welfare
+#: model:ir.model.fields,field_description:l10n_it_fatturapa_out_welfare.field_welfare_fund_type_amount__amount
+msgid "Amount"
+msgstr "Importo"
+
+#. module: l10n_it_fatturapa_out_welfare
+#: model:ir.model.fields,field_description:l10n_it_fatturapa_out_welfare.field_welfare_fund_type_amount__create_uid
+msgid "Created by"
+msgstr "Creato da"
+
+#. module: l10n_it_fatturapa_out_welfare
+#: model:ir.model.fields,field_description:l10n_it_fatturapa_out_welfare.field_welfare_fund_type_amount__create_date
+msgid "Created on"
+msgstr "Creato il"
+
+#. module: l10n_it_fatturapa_out_welfare
+#: model:ir.model.fields,field_description:l10n_it_fatturapa_out_welfare.field_welfare_fund_type_amount__display_name
+msgid "Display Name"
+msgstr "Nome visualizzato"
+
+#. module: l10n_it_fatturapa_out_welfare
+#: model_terms:ir.ui.view,arch_db:l10n_it_fatturapa_out_welfare.invoice_form
+msgid ""
+"Existing Grouping Welfare Invoice Lines will be deleted, and new ones will "
+"be created."
+msgstr ""
+"Le righe fattura che raggruppano per cassa previdenziale esistenti saranno "
+"eliminate, e ne saranno create di nuove."
+
+#. module: l10n_it_fatturapa_out_welfare
+#: model:ir.model,name:l10n_it_fatturapa_out_welfare.model_wizard_export_fatturapa
+msgid "Export E-invoice"
+msgstr "Esporta e-fattura"
+
+#. module: l10n_it_fatturapa_out_welfare
+#: model_terms:ir.ui.view,arch_db:l10n_it_fatturapa_out_welfare.invoice_form
+msgid "Generate Welfare Lines"
+msgstr "Genera righe cassa previdenziale"
+
+#. module: l10n_it_fatturapa_out_welfare
+#: model:ir.model.fields,field_description:l10n_it_fatturapa_out_welfare.field_account_invoice_line__welfare_grouping_fund_type_amount_id
+msgid "Grouped Welfare Amount"
+msgstr "Importo cassa previdenziale raggruppato"
+
+#. module: l10n_it_fatturapa_out_welfare
+#: model:ir.model.fields,field_description:l10n_it_fatturapa_out_welfare.field_account_invoice_line__welfare_grouped_invoice_line_ids
+msgid "Grouped Welfare Invoice Lines"
+msgstr "Righe fattura raggruppate per cassa previdenziale"
+
+#. module: l10n_it_fatturapa_out_welfare
+#: model:ir.model.fields,field_description:l10n_it_fatturapa_out_welfare.field_account_invoice_line__welfare_grouping_invoice_line_ids
+msgid "Grouping Welfare Invoice Lines"
+msgstr "Righe fattura che raggruppano per cassa previdenziale"
+
+#. module: l10n_it_fatturapa_out_welfare
+#: model:ir.model.fields,field_description:l10n_it_fatturapa_out_welfare.field_welfare_fund_type_amount__id
+msgid "ID"
+msgstr "ID"
+
+#. module: l10n_it_fatturapa_out_welfare
+#: model:ir.model,name:l10n_it_fatturapa_out_welfare.model_account_invoice
+msgid "Invoice"
+msgstr "Fattura"
+
+#. module: l10n_it_fatturapa_out_welfare
+#: model:ir.model,name:l10n_it_fatturapa_out_welfare.model_account_invoice_line
+msgid "Invoice Line"
+msgstr "Riga fattura"
+
+#. module: l10n_it_fatturapa_out_welfare
+#: model:ir.model.fields,help:l10n_it_fatturapa_out_welfare.field_account_invoice_line__welfare_grouping_invoice_line_ids
+msgid "Invoice Lines that represent this Line's Welfare Amount."
+msgstr ""
+"Righe fattura che rappresentano l'importo della cassa previdenziale di "
+"questa riga."
+
+#. module: l10n_it_fatturapa_out_welfare
+#: model:ir.model.fields,help:l10n_it_fatturapa_out_welfare.field_account_invoice_line__welfare_grouped_invoice_line_ids
+msgid "Invoice Lines whose Welfare Amount is represented by this Line."
+msgstr ""
+"Righe fattura il cui importo di cassa previdenziale è rappresentato da "
+"questa riga."
+
+#. module: l10n_it_fatturapa_out_welfare
+#: model:ir.model.fields,field_description:l10n_it_fatturapa_out_welfare.field_welfare_fund_type_amount____last_update
+msgid "Last Modified on"
+msgstr "Ultima modifica il"
+
+#. module: l10n_it_fatturapa_out_welfare
+#: model:ir.model.fields,field_description:l10n_it_fatturapa_out_welfare.field_welfare_fund_type_amount__write_uid
+msgid "Last Updated by"
+msgstr "Ultimo aggiornamento di"
+
+#. module: l10n_it_fatturapa_out_welfare
+#: model:ir.model.fields,field_description:l10n_it_fatturapa_out_welfare.field_welfare_fund_type_amount__write_date
+msgid "Last Updated on"
+msgstr "Ultimo aggiornamento il"
+
+#. module: l10n_it_fatturapa_out_welfare
+#: model:ir.model.fields,field_description:l10n_it_fatturapa_out_welfare.field_welfare_fund_type_amount__name
+msgid "Name"
+msgstr "Nome"
+
+#. module: l10n_it_fatturapa_out_welfare
+#: code:addons/l10n_it_fatturapa_out_welfare/models/account_invoice.py:62
+#, python-format
+msgid "Please regenerate Welfare Lines for invoices: {invoices}"
+msgstr "Rigenerare le righe di cassa previdenziale per le fatture: {invoices}"
+
+#. module: l10n_it_fatturapa_out_welfare
+#: model:ir.model.fields,field_description:l10n_it_fatturapa_out_welfare.field_account_invoice__should_regenerate_welfare_lines
+msgid "Should Regenerate Welfare Lines"
+msgstr "Deve rigenerare le righe di cassa previdenziale"
+
+#. module: l10n_it_fatturapa_out_welfare
+#: code:addons/l10n_it_fatturapa_out_welfare/models/welfare_fund_type_amount.py:55
+#, python-format
+msgid "Welfare '{welfare}' should be present in Invoice Line '{line}'"
+msgstr ""
+"La cassa previdenziale '{welfare}' deve essere presente nella riga fattura "
+"'{line}'"
+
+#. module: l10n_it_fatturapa_out_welfare
+#: model:ir.model.fields,help:l10n_it_fatturapa_out_welfare.field_account_invoice_line__welfare_grouping_fund_type_amount_id
+msgid "Welfare Amount represented by this Invoice Line."
+msgstr "Importo di cassa previdenziale rappresentato da questa riga fattura."
+
+#. module: l10n_it_fatturapa_out_welfare
+#: model:ir.model.fields,help:l10n_it_fatturapa_out_welfare.field_account_invoice_line__welfare_fund_type_amount_ids
+msgid "Welfare Amounts to be applied on this Invoice Line."
+msgstr "Importi di cassa previdenziale da applicare a questa riga fattura."
+
+#. module: l10n_it_fatturapa_out_welfare
+#: model:ir.model.fields,field_description:l10n_it_fatturapa_out_welfare.field_welfare_fund_type_amount__welfare_fund_type_id
+msgid "Welfare Fund Type"
+msgstr "Tipo cassa previdenziale"
+
+#. module: l10n_it_fatturapa_out_welfare
+#: model:ir.model,name:l10n_it_fatturapa_out_welfare.model_welfare_fund_type_amount
+msgid "Welfare Fund Type Amount"
+msgstr "Importo di cassa previdenziale"
+
+#. module: l10n_it_fatturapa_out_welfare
+#: model:ir.actions.act_window,name:l10n_it_fatturapa_out_welfare.welfare_fund_type_amount_action
+#: model:ir.model.fields,field_description:l10n_it_fatturapa_out_welfare.field_account_invoice_line__welfare_fund_type_amount_ids
+#: model:ir.ui.menu,name:l10n_it_fatturapa_out_welfare.welfare_fund_type_amount_menu
+msgid "Welfare Fund Type Amounts"
+msgstr "Casse previdenziali"
+
+#. module: l10n_it_fatturapa_out_welfare
+#: sql_constraint:welfare.fund.type.amount:0
+msgid "Welfare Type and amount must be unique."
+msgstr "Il tipo di cassa previdenziale e l'importo devono essere univoci."

l10n_it_fatturapa_out_welfare/i18n/l10n_it_fatturapa_out_welfare.pot

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+# Translation of Odoo Server.
+# This file contains the translation of the following modules:
+#	* l10n_it_fatturapa_out_welfare
+#
+msgid ""
+msgstr ""
+"Project-Id-Version: Odoo Server 12.0\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: l10n_it_fatturapa_out_welfare
+#: model:ir.model.fields,field_description:l10n_it_fatturapa_out_welfare.field_welfare_fund_type_amount__administration_reference
+msgid "Administration Reference"
+msgstr ""
+
+#. module: l10n_it_fatturapa_out_welfare
+#: model:ir.model.fields,field_description:l10n_it_fatturapa_out_welfare.field_welfare_fund_type_amount__amount
+msgid "Amount"
+msgstr ""
+
+#. module: l10n_it_fatturapa_out_welfare
+#: model:ir.model.fields,field_description:l10n_it_fatturapa_out_welfare.field_welfare_fund_type_amount__create_uid
+msgid "Created by"
+msgstr ""
+
+#. module: l10n_it_fatturapa_out_welfare
+#: model:ir.model.fields,field_description:l10n_it_fatturapa_out_welfare.field_welfare_fund_type_amount__create_date
+msgid "Created on"
+msgstr ""
+
+#. module: l10n_it_fatturapa_out_welfare
+#: model:ir.model.fields,field_description:l10n_it_fatturapa_out_welfare.field_welfare_fund_type_amount__display_name
+msgid "Display Name"
+msgstr ""
+
+#. module: l10n_it_fatturapa_out_welfare
+#: model_terms:ir.ui.view,arch_db:l10n_it_fatturapa_out_welfare.invoice_form
+msgid "Existing Grouping Welfare Invoice Lines will be deleted, and new ones will be created."
+msgstr ""
+
+#. module: l10n_it_fatturapa_out_welfare
+#: model:ir.model,name:l10n_it_fatturapa_out_welfare.model_wizard_export_fatturapa
+msgid "Export E-invoice"
+msgstr ""
+
+#. module: l10n_it_fatturapa_out_welfare
+#: model_terms:ir.ui.view,arch_db:l10n_it_fatturapa_out_welfare.invoice_form
+msgid "Generate Welfare Lines"
+msgstr ""
+
+#. module: l10n_it_fatturapa_out_welfare
+#: model:ir.model.fields,field_description:l10n_it_fatturapa_out_welfare.field_account_invoice_line__welfare_grouping_fund_type_amount_id
+msgid "Grouped Welfare Amount"
+msgstr ""
+
+#. module: l10n_it_fatturapa_out_welfare
+#: model:ir.model.fields,field_description:l10n_it_fatturapa_out_welfare.field_account_invoice_line__welfare_grouped_invoice_line_ids
+msgid "Grouped Welfare Invoice Lines"
+msgstr ""
+
+#. module: l10n_it_fatturapa_out_welfare
+#: model:ir.model.fields,field_description:l10n_it_fatturapa_out_welfare.field_account_invoice_line__welfare_grouping_invoice_line_ids
+msgid "Grouping Welfare Invoice Lines"
+msgstr ""
+
+#. module: l10n_it_fatturapa_out_welfare
+#: model:ir.model.fields,field_description:l10n_it_fatturapa_out_welfare.field_welfare_fund_type_amount__id
+msgid "ID"
+msgstr ""
+
+#. module: l10n_it_fatturapa_out_welfare
+#: model:ir.model,name:l10n_it_fatturapa_out_welfare.model_account_invoice
+msgid "Invoice"
+msgstr ""
+
+#. module: l10n_it_fatturapa_out_welfare
+#: model:ir.model,name:l10n_it_fatturapa_out_welfare.model_account_invoice_line
+msgid "Invoice Line"
+msgstr ""
+
+#. module: l10n_it_fatturapa_out_welfare
+#: model:ir.model.fields,help:l10n_it_fatturapa_out_welfare.field_account_invoice_line__welfare_grouping_invoice_line_ids
+msgid "Invoice Lines that represent this Line's Welfare Amount."
+msgstr ""
+
+#. module: l10n_it_fatturapa_out_welfare
+#: model:ir.model.fields,help:l10n_it_fatturapa_out_welfare.field_account_invoice_line__welfare_grouped_invoice_line_ids
+msgid "Invoice Lines whose Welfare Amount is represented by this Line."
+msgstr ""
+
+#. module: l10n_it_fatturapa_out_welfare
+#: model:ir.model.fields,field_description:l10n_it_fatturapa_out_welfare.field_welfare_fund_type_amount____last_update
+msgid "Last Modified on"
+msgstr ""
+
+#. module: l10n_it_fatturapa_out_welfare
+#: model:ir.model.fields,field_description:l10n_it_fatturapa_out_welfare.field_welfare_fund_type_amount__write_uid
+msgid "Last Updated by"
+msgstr ""
+
+#. module: l10n_it_fatturapa_out_welfare
+#: model:ir.model.fields,field_description:l10n_it_fatturapa_out_welfare.field_welfare_fund_type_amount__write_date
+msgid "Last Updated on"
+msgstr ""
+
+#. module: l10n_it_fatturapa_out_welfare
+#: model:ir.model.fields,field_description:l10n_it_fatturapa_out_welfare.field_welfare_fund_type_amount__name
+msgid "Name"
+msgstr ""
+
+#. module: l10n_it_fatturapa_out_welfare
+#: code:addons/l10n_it_fatturapa_out_welfare/models/account_invoice.py:62
+#, python-format
+msgid "Please regenerate Welfare Lines for invoices: {invoices}"
+msgstr ""
+
+#. module: l10n_it_fatturapa_out_welfare
+#: model:ir.model.fields,field_description:l10n_it_fatturapa_out_welfare.field_account_invoice__should_regenerate_welfare_lines
+msgid "Should Regenerate Welfare Lines"
+msgstr ""
+
+#. module: l10n_it_fatturapa_out_welfare
+#: code:addons/l10n_it_fatturapa_out_welfare/models/welfare_fund_type_amount.py:55
+#, python-format
+msgid "Welfare '{welfare}' should be present in Invoice Line '{line}'"
+msgstr ""
+
+#. module: l10n_it_fatturapa_out_welfare
+#: model:ir.model.fields,help:l10n_it_fatturapa_out_welfare.field_account_invoice_line__welfare_grouping_fund_type_amount_id
+msgid "Welfare Amount represented by this Invoice Line."
+msgstr ""
+
+#. module: l10n_it_fatturapa_out_welfare
+#: model:ir.model.fields,help:l10n_it_fatturapa_out_welfare.field_account_invoice_line__welfare_fund_type_amount_ids
+msgid "Welfare Amounts to be applied on this Invoice Line."
+msgstr ""
+
+#. module: l10n_it_fatturapa_out_welfare
+#: model:ir.model.fields,field_description:l10n_it_fatturapa_out_welfare.field_welfare_fund_type_amount__welfare_fund_type_id
+msgid "Welfare Fund Type"
+msgstr ""
+
+#. module: l10n_it_fatturapa_out_welfare
+#: model:ir.model,name:l10n_it_fatturapa_out_welfare.model_welfare_fund_type_amount
+msgid "Welfare Fund Type Amount"
+msgstr ""
+
+#. module: l10n_it_fatturapa_out_welfare
+#: model:ir.actions.act_window,name:l10n_it_fatturapa_out_welfare.welfare_fund_type_amount_action
+#: model:ir.model.fields,field_description:l10n_it_fatturapa_out_welfare.field_account_invoice_line__welfare_fund_type_amount_ids
+#: model:ir.ui.menu,name:l10n_it_fatturapa_out_welfare.welfare_fund_type_amount_menu
+msgid "Welfare Fund Type Amounts"
+msgstr ""
+
+#. module: l10n_it_fatturapa_out_welfare
+#: sql_constraint:welfare.fund.type.amount:0
+msgid "Welfare Type and amount must be unique."
+msgstr ""
+

l10n_it_fatturapa_out_welfare/models/__init__.py

@@ -0,0 +1,5 @@
+#  License AGPL-3.0 or later (https://www.gnu.org/licenses/agpl).
+
+from . import account_move
+from . import account_move_line
+from . import welfare_fund_type_amount

l10n_it_fatturapa_out_welfare/models/account_move.py

@@ -0,0 +1,66 @@
+#  Copyright 2022 Simone Rubino - TAKOBI
+#  License AGPL-3.0 or later (https://www.gnu.org/licenses/agpl).
+
+from odoo import _, api, fields, models
+from odoo.exceptions import UserError
+
+
+class AccountMove(models.Model):
+    _inherit = "account.move"
+
+    should_regenerate_welfare_lines = fields.Boolean(
+        compute="_compute_should_regenerate_welfare_lines",
+        store=True,
+    )
+
+    @api.depends(
+        "invoice_line_ids.welfare_grouped_invoice_line_ids",
+        "invoice_line_ids.welfare_fund_type_amount_ids",
+    )
+    def _compute_should_regenerate_welfare_lines(self):
+        for invoice in self:
+            lines = invoice.invoice_line_ids
+            # Show the button if some lines have yet to be grouped
+            to_be_grouped_lines = lines._get_to_be_grouped_welfare_lines()
+            invoice.should_regenerate_welfare_lines = to_be_grouped_lines
+
+    def button_regenerate_welfare_lines(self):
+        """
+        Delete existing grouping Welfare Lines and create new ones.
+        """
+        self.ensure_one()
+        invoice_lines = self.invoice_line_ids
+        # Remove previous grouping lines
+        grouping_lines = invoice_lines.filtered("welfare_grouping_fund_type_amount_id")
+        grouping_lines.unlink()
+        invoice_lines = invoice_lines.exists()
+
+        # Create new grouping lines
+        welfare_grouped_lines = invoice_lines.welfare_group_lines()
+        grouping_lines_sequence = max(invoice_lines.mapped("sequence")) + 1
+        welfare_grouping_lines_values = list()
+        for welfare_amount, welfare_lines in welfare_grouped_lines.items():
+            welfare_grouping_line_values = (
+                welfare_amount._prepare_grouping_invoice_line(welfare_lines)
+            )
+            welfare_grouping_line_values.update(
+                sequence=grouping_lines_sequence,
+            )
+            welfare_grouping_lines_values.append(welfare_grouping_line_values)
+
+        welfare_grouping_lines = self.env[invoice_lines._name].create(
+            welfare_grouping_lines_values,
+        )
+        return welfare_grouping_lines
+
+    def action_post(self):
+        need_welfare_invoices = self.filtered("should_regenerate_welfare_lines")
+        if need_welfare_invoices:
+            raise UserError(
+                _("Please regenerate Welfare Lines for invoices: {invoices}").format(
+                    invoices=", ".join(
+                        need_welfare_invoices.mapped("display_name"),
+                    )
+                )
+            )
+        return super().action_post()

l10n_it_fatturapa_out_welfare/models/account_move_line.py

@@ -0,0 +1,60 @@
+#  Copyright 2022 Simone Rubino - TAKOBI
+#  License AGPL-3.0 or later (https://www.gnu.org/licenses/agpl).
+
+from odoo import fields, models
+
+
+class AccountMoveLine(models.Model):
+    _inherit = "account.move.line"
+
+    welfare_fund_type_amount_ids = fields.Many2many(
+        comodel_name="welfare.fund.type.amount",
+        string="Welfare Fund Type Amounts",
+        help="Welfare Amounts to be applied on this Invoice Line.",
+    )
+    welfare_grouping_fund_type_amount_id = fields.Many2one(
+        comodel_name="welfare.fund.type.amount",
+        string="Grouped Welfare Amount",
+        help="Welfare Amount represented by this Invoice Line.",
+    )
+    welfare_grouping_invoice_line_ids = fields.Many2many(
+        comodel_name="account.move.line",
+        relation="welfare_group_invoice_line_rel",
+        column1="grouping_line",
+        column2="grouped_line",
+        string="Grouping Welfare Invoice Lines",
+        help="Invoice Lines that represent this Line's Welfare Amount.",
+    )
+    welfare_grouped_invoice_line_ids = fields.Many2many(
+        comodel_name="account.move.line",
+        relation="welfare_group_invoice_line_rel",
+        column1="grouped_line",
+        column2="grouping_line",
+        string="Grouped Welfare Invoice Lines",
+        help="Invoice Lines whose Welfare Amount is represented by this Line.",
+    )
+
+    def welfare_group_lines(self):
+        """
+        Group Invoice Lines in `self` based on their Welfare Amount.
+        """
+        grouped_lines = dict()
+        for line in self:
+            welfare_amounts = line.welfare_fund_type_amount_ids
+            for welfare_amount in welfare_amounts:
+                if welfare_amount not in grouped_lines:
+                    grouped_lines[welfare_amount] = line
+                else:
+                    grouped_lines[welfare_amount] |= line
+        return grouped_lines
+
+    def _get_to_be_grouped_welfare_lines(self):
+        """
+        Get invoice lines of `self` whose Welfare Amount
+        has to be represented by another invoice line.
+        """
+        grouped_lines = self.mapped("welfare_grouped_invoice_line_ids")
+        welfare_lines = self.filtered("welfare_fund_type_amount_ids")
+
+        to_be_grouped_lines = welfare_lines - grouped_lines
+        return to_be_grouped_lines

l10n_it_fatturapa_out_welfare/models/welfare_fund_type_amount.py

@@ -0,0 +1,85 @@
+#  Copyright 2022 Simone Rubino - TAKOBI
+#  License AGPL-3.0 or later (https://www.gnu.org/licenses/agpl).
+
+from odoo import _, api, fields, models
+from odoo.exceptions import UserError
+from odoo.fields import first
+
+
+class WelfareFundTypeAmount(models.Model):
+    _name = "welfare.fund.type.amount"
+    _description = "Welfare Fund Type Amount"
+
+    name = fields.Char(
+        compute="_compute_name",
+        store=True,
+    )
+    welfare_fund_type_id = fields.Many2one(
+        comodel_name="welfare.fund.type",
+        required=True,
+    )
+    amount = fields.Float(
+        required=True,
+    )
+    administration_reference = fields.Char()
+
+    _sql_constraints = [
+        (
+            "welfare_amount_unique",
+            "UNIQUE(welfare_fund_type_id, amount)",
+            "Welfare Type and amount must be unique.",
+        ),
+    ]
+
+    @api.depends(
+        "welfare_fund_type_id.name",
+        "amount",
+    )
+    def _compute_name(self):
+        for welfare_amount in self:
+            name = "[{welfare_code}]: {amount}%".format(
+                welfare_code=welfare_amount.welfare_fund_type_id.name,
+                amount=welfare_amount.amount,
+            )
+            welfare_amount.name = name
+
+    def _prepare_grouping_invoice_line(self, invoice_lines):
+        """
+        Get the values of the Invoice Line
+        that represents the Welfare Amount of `invoice_lines`.
+        """
+        self.ensure_one()
+        for invoice_line in invoice_lines:
+            if self not in invoice_line.welfare_fund_type_amount_ids:
+                raise UserError(
+                    _(
+                        "Welfare '{welfare}' should be present "
+                        "in Invoice Line '{line}'"
+                    ).format(
+                        welfare=self.display_name,
+                        line=invoice_line.display_name,
+                    )
+                )
+
+        first_line = first(invoice_lines)
+        return {
+            "name": self.display_name,
+            "account_id": first_line.account_id.id,
+            "tax_ids": [
+                (6, 0, first_line.tax_ids.ids),
+            ],
+            "move_id": first_line.move_id.id,
+            "welfare_grouping_fund_type_amount_id": self.id,
+            "welfare_grouped_invoice_line_ids": [
+                (6, 0, invoice_lines.ids),
+            ],
+            "price_unit": self._get_welfare_amount(invoice_lines),
+        }
+
+    def _get_welfare_amount(self, invoice_lines):
+        """
+        Calculate the Welfare Amount of invoice_lines`.
+        """
+        self.ensure_one()
+        lines_subtotal = sum(invoice_lines.mapped("price_subtotal"))
+        return self.amount * lines_subtotal / 100

l10n_it_fatturapa_out_welfare/pyproject.toml

@@ -0,0 +1,3 @@
+[build-system]
+requires = ["whool"]
+build-backend = "whool.buildapi"

l10n_it_fatturapa_out_welfare/readme/CONFIGURE.md

@@ -0,0 +1,11 @@
+**Italiano**
+
+In Fatturazione \> Configurazione \> Contabilità \> Fiscalità italiana
+\> Fatturazione elettronica \> Importi cassa previdenziale, creare le
+casse previdenziali.
+
+**English**
+
+In Accounting \> Configuration \> Accounting \> Italian Localization \>
+Electronic invoicing \> Welfare Fund Type Amounts, create the welfare
+amounts.

l10n_it_fatturapa_out_welfare/readme/DESCRIPTION.md

@@ -0,0 +1,8 @@
+**Italiano**
+
+Aggiungere la cassa previdenziale alla fattura e alla fattura
+elettronica.
+
+**English**
+
+Add Welfare Amount to Invoice and Electronic Invoice.

l10n_it_fatturapa_out_welfare/readme/USAGE.md

@@ -0,0 +1,9 @@
+**Italiano**
+
+Nella fattura, impostare le casse previdenziali configurate e cliccare
+su "Genera righe cassa previdenziale".
+
+**English**
+
+In the invoice, set the configured welfares and click on "Generate
+Welfare Lines".

l10n_it_fatturapa_out_welfare/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_welfare_fund_type_amount_manager,Welfare Fund Type Amount Manager,model_welfare_fund_type_amount,account.group_account_manager,1,1,1,1
+access_welfare_fund_type_amount_user,Welfare Fund Type Amount Manager User,model_welfare_fund_type_amount,account.group_account_invoice,1,0,0,0

l10n_it_fatturapa_out_welfare/tests/__init__.py

@@ -0,0 +1,3 @@
+#  License AGPL-3.0 or later (https://www.gnu.org/licenses/agpl).
+
+from . import test_fatturapa_out_welfare

l10n_it_fatturapa_out_welfare/tests/data/IT06363391001_random.xml

@@ -0,0 +1,138 @@
+<ns1:FatturaElettronica
+    xmlns:ns1="http://ivaservizi.agenziaentrate.gov.it/docs/xsd/fatture/v1.2"
+    versione="FPA12"
+>
+    <FatturaElettronicaHeader>
+        <DatiTrasmissione>
+            <IdTrasmittente>
+                <IdPaese>IT</IdPaese>
+                <IdCodice>06363391001</IdCodice>
+            </IdTrasmittente>
+            <ProgressivoInvio>random</ProgressivoInvio>
+            <FormatoTrasmissione>FPA12</FormatoTrasmissione>
+            <CodiceDestinatario>UFPQ1O</CodiceDestinatario>
+            <ContattiTrasmittente>
+                <Telefono>06543534343</Telefono>
+                <Email>info@yourcompany.example.com</Email>
+            </ContattiTrasmittente>
+        </DatiTrasmissione>
+        <CedentePrestatore>
+            <DatiAnagrafici>
+                <IdFiscaleIVA>
+                    <IdPaese>IT</IdPaese>
+                    <IdCodice>06363391001</IdCodice>
+                </IdFiscaleIVA>
+                <Anagrafica>
+                    <Denominazione>YourCompany</Denominazione>
+                </Anagrafica>
+                <RegimeFiscale>RF01</RegimeFiscale>
+            </DatiAnagrafici>
+            <Sede>
+                <Indirizzo>Via Milano, 1</Indirizzo>
+                <CAP>00100</CAP>
+                <Comune>Roma</Comune>
+                <Provincia>AK</Provincia>
+                <Nazione>IT</Nazione>
+            </Sede>
+            <Contatti>
+                <Telefono>06543534343</Telefono>
+                <Email>info@yourcompany.example.com</Email>
+            </Contatti>
+        </CedentePrestatore>
+        <CessionarioCommittente>
+            <DatiAnagrafici>
+                <IdFiscaleIVA>
+                    <IdPaese>IT</IdPaese>
+                    <IdCodice>06363391001</IdCodice>
+                </IdFiscaleIVA>
+                <CodiceFiscale>06363391001</CodiceFiscale>
+                <Anagrafica>
+                    <Denominazione>Public Administration</Denominazione>
+                </Anagrafica>
+            </DatiAnagrafici>
+            <Sede>
+                <Indirizzo>Via Roma, 1</Indirizzo>
+                <CAP>10100</CAP>
+                <Comune>Torino</Comune>
+                <Provincia>AK</Provincia>
+                <Nazione>IT</Nazione>
+            </Sede>
+        </CessionarioCommittente>
+    </FatturaElettronicaHeader>
+    <FatturaElettronicaBody>
+        <DatiGenerali>
+            <DatiGeneraliDocumento>
+                <TipoDocumento>TD01</TipoDocumento>
+                <Divisa>EUR</Divisa>
+                <Data>2024-01-01</Data>
+                <Numero>INV/2024/00001</Numero>
+                <DatiRitenuta>
+                    <TipoRitenuta>RT02</TipoRitenuta>
+                    <ImportoRitenuta>40.00</ImportoRitenuta>
+                    <AliquotaRitenuta>20.00</AliquotaRitenuta>
+                    <CausalePagamento>A</CausalePagamento>
+                </DatiRitenuta>
+                <DatiCassaPrevidenziale>
+                    <TipoCassa>TC22</TipoCassa>
+                    <AlCassa>10.00</AlCassa>
+                    <ImportoContributoCassa>20.00</ImportoContributoCassa>
+                    <ImponibileCassa>200.00</ImponibileCassa>
+                    <AliquotaIVA>22.00</AliquotaIVA>
+                </DatiCassaPrevidenziale>
+                <DatiCassaPrevidenziale>
+                    <TipoCassa>TC09</TipoCassa>
+                    <AlCassa>20.00</AlCassa>
+                    <ImportoContributoCassa>20.00</ImportoContributoCassa>
+                    <ImponibileCassa>100.00</ImponibileCassa>
+                    <AliquotaIVA>22.00</AliquotaIVA>
+                </DatiCassaPrevidenziale>
+                <ImportoTotaleDocumento>414.80</ImportoTotaleDocumento>
+                <Art73>SI</Art73>
+            </DatiGeneraliDocumento>
+        </DatiGenerali>
+        <DatiBeniServizi>
+            <DettaglioLinee>
+                <NumeroLinea>1</NumeroLinea>
+                <Descrizione>Cabinet with Doors</Descrizione>
+                <Quantita>1.00</Quantita>
+                <UnitaMisura>Units</UnitaMisura>
+                <PrezzoUnitario>100.00000</PrezzoUnitario>
+                <PrezzoTotale>100.00</PrezzoTotale>
+                <AliquotaIVA>22.00</AliquotaIVA>
+            </DettaglioLinee>
+            <DettaglioLinee>
+                <NumeroLinea>2</NumeroLinea>
+                <Descrizione>Cabinet with Doors</Descrizione>
+                <Quantita>1.00</Quantita>
+                <UnitaMisura>Units</UnitaMisura>
+                <PrezzoUnitario>100.00000</PrezzoUnitario>
+                <PrezzoTotale>100.00</PrezzoTotale>
+                <AliquotaIVA>22.00</AliquotaIVA>
+                <Ritenuta>SI</Ritenuta>
+            </DettaglioLinee>
+            <DettaglioLinee>
+                <NumeroLinea>3</NumeroLinea>
+                <Descrizione>Cabinet with Doors</Descrizione>
+                <Quantita>1.00</Quantita>
+                <UnitaMisura>Units</UnitaMisura>
+                <PrezzoUnitario>100.00000</PrezzoUnitario>
+                <PrezzoTotale>100.00</PrezzoTotale>
+                <AliquotaIVA>22.00</AliquotaIVA>
+                <Ritenuta>SI</Ritenuta>
+            </DettaglioLinee>
+            <DatiRiepilogo>
+                <AliquotaIVA>22.00</AliquotaIVA>
+                <ImponibileImporto>340.00</ImponibileImporto>
+                <Imposta>74.80</Imposta>
+            </DatiRiepilogo>
+        </DatiBeniServizi>
+        <DatiPagamento>
+            <CondizioniPagamento>TP02</CondizioniPagamento>
+            <DettaglioPagamento>
+                <ModalitaPagamento>MP05</ModalitaPagamento>
+                <DataScadenzaPagamento>2024-02-29</DataScadenzaPagamento>
+                <ImportoPagamento>374.80</ImportoPagamento>
+            </DettaglioPagamento>
+        </DatiPagamento>
+    </FatturaElettronicaBody>
+</ns1:FatturaElettronica>

l10n_it_fatturapa_out_welfare/tests/test_fatturapa_out_welfare.py

@@ -0,0 +1,202 @@
+#  Copyright 2022 Simone Rubino - TAKOBI
+#  License AGPL-3.0 or later (https://www.gnu.org/licenses/agpl).
+
+import base64
+
+from odoo.exceptions import UserError
+from odoo.tests import Form, tagged
+
+from odoo.addons.l10n_it_fatturapa_out.tests.fatturapa_common import (
+    FatturaPACommon,
+)
+
+
+@tagged("post_install", "-at_install")
+class TestFatturaPAOUTWelfare(FatturaPACommon):
+    def _get_welfare_amount(self, welfare, amount):
+        """
+        Return a Welfare Amount of type `welfare` and amount `amount`.
+        """
+        welfare_amount_model = self.env["welfare.fund.type.amount"]
+        welfare_amount_form = Form(welfare_amount_model)
+        welfare_amount_form.welfare_fund_type_id = welfare
+        welfare_amount_form.amount = amount
+        return welfare_amount_form.save()
+
+    def _get_payable_account(self):
+        """
+        Return an account of Type Payable.
+        """
+        account_model = self.env["account.account"]
+        payable_account_form = Form(account_model)
+        payable_account_form.name = "Withholding Credit"
+        payable_account_form.code = "WTPAY"
+        payable_account_form.account_type = "liability_payable"
+        payable_account = payable_account_form.save()
+        return payable_account
+
+    def _get_withholding_tax(self, payable_account, receivable_account):
+        """
+        Return a 20% Withholding Tax.
+        """
+        withholding_tax_model = self.env["withholding.tax"]
+        withholding_tax_form = Form(withholding_tax_model)
+        withholding_tax_form.name = "Test WT"
+        withholding_tax_form.code = "TWT"
+        withholding_tax_form.account_receivable_id = receivable_account
+        withholding_tax_form.account_payable_id = payable_account
+        withholding_tax_form.payment_reason_id = self.env.ref(
+            "l10n_it_payment_reason.a"
+        )
+        withholding_tax_form.payment_term = self.env.ref(
+            "account.account_payment_term_immediate"
+        )
+        with withholding_tax_form.rate_ids.new() as rate:
+            rate.tax = 20
+            rate.base = 1
+        withholding_tax = withholding_tax_form.save()
+        return withholding_tax
+
+    def _get_invoice(self):
+        """
+        Return an invoice having 3 lines:
+        - subtotal 100,
+        - subtotal 100, with 10% Welfare and 20% Withholding Tax
+        - subtotal 100, with 10% Welfare and 20% on another Welfare
+        """
+        # Cancel other open invoices to avoid conflict on date or sequence
+        open_invoices = self.invoice_model.search(
+            [
+                ("state", "=", "open"),
+            ],
+        )
+        open_invoices.button_cancel()
+
+        invoice = self.invoice_model.create(
+            {
+                "invoice_date": "2024-01-01",
+                "partner_id": self.res_partner_fatturapa_0.id,
+                "journal_id": self.sales_journal.id,
+                "invoice_payment_term_id": self.account_payment_term.id,
+                "user_id": self.user_demo.id,
+                "move_type": "out_invoice",
+                "currency_id": self.EUR.id,
+                "invoice_line_ids": [
+                    (
+                        0,
+                        0,
+                        {
+                            "product_id": self.product_product_10.id,
+                            "price_unit": 100,
+                            "tax_ids": [(6, 0, [self.tax_22.id])],
+                            "welfare_fund_type_amount_ids": [(5, 0, 0)],
+                        },
+                    ),
+                    (
+                        0,
+                        0,
+                        {
+                            "product_id": self.product_product_10.id,
+                            "price_unit": 100,
+                            "tax_ids": [(6, 0, [self.tax_22.id])],
+                            "invoice_line_tax_wt_ids": [
+                                (6, 0, [self.withholding_tax.id])
+                            ],
+                            "welfare_fund_type_amount_ids": [
+                                (6, 0, [self.welfare_amount_INPS_10.id])
+                            ],
+                        },
+                    ),
+                    (
+                        0,
+                        0,
+                        {
+                            "product_id": self.product_product_10.id,
+                            "price_unit": 100,
+                            "tax_ids": [(6, 0, [self.tax_22.id])],
+                            "invoice_line_tax_wt_ids": [
+                                (6, 0, [self.withholding_tax.id])
+                            ],
+                            "welfare_fund_type_amount_ids": [
+                                (
+                                    6,
+                                    0,
+                                    [
+                                        self.welfare_amount_ENPAM_20.id,
+                                        self.welfare_amount_INPS_10.id,
+                                    ],
+                                )
+                            ],
+                        },
+                    ),
+                ],
+            }
+        )
+        return invoice
+
+    def setUp(self):
+        super().setUp()
+        self.company = self.env.company = self.sales_journal.company_id
+
+        # XXX - a company named "YourCompany" alread exists
+        # we move it out of the way but we should do better here
+        self.env.company.sudo().search([("name", "=", "YourCompany")]).write(
+            {"name": "YourCompany_"}
+        )
+        self.env.company.name = "YourCompany"
+        self.env.company.vat = "IT06363391001"
+        self.env.company.fatturapa_art73 = True
+        self.env.company.partner_id.street = "Via Milano, 1"
+        self.env.company.partner_id.city = "Roma"
+        self.env.company.partner_id.state_id = self.env.ref("base.state_us_2").id
+        self.env.company.partner_id.zip = "00100"
+        self.env.company.partner_id.phone = "06543534343"
+        self.env.company.email = "info@yourcompany.example.com"
+        self.env.company.partner_id.country_id = self.env.ref("base.it").id
+        self.env.company.fatturapa_fiscal_position_id = self.env.ref(
+            "l10n_it_fatturapa.fatturapa_RF01"
+        ).id
+        self.welfare_amount_INPS_10 = self._get_welfare_amount(
+            self.env.ref("l10n_it_fatturapa.21"),
+            10,
+        )
+
+        self.welfare_amount_ENPAM_20 = self._get_welfare_amount(
+            self.env.ref("l10n_it_fatturapa.8"),
+            20,
+        )
+
+        self.withholding_tax = self._get_withholding_tax(
+            self._get_payable_account(),
+            self.a_recv,
+        )
+
+    def test_export_welfare_withholding(self):
+        """
+        Check that an invoice having Welfare Amounts and Withholding Taxes
+        is correctly converted to an Electronic Invoice.
+        """
+        invoice = self._get_invoice()
+
+        # Check that Welfare Lines have to be generated
+        # before validating the invoice
+        with self.assertRaises(UserError) as ue:
+            invoice.action_post()
+        exc_message = ue.exception.args[0]
+        self.assertIn("regenerate Welfare Lines", exc_message)
+        self.assertIn(invoice.display_name, exc_message)
+
+        # Export the Electronic Invoice
+        invoice._onchange_invoice_line_wt_ids()
+        invoice.button_regenerate_welfare_lines()
+        invoice.action_post()
+        res = self.run_wizard(invoice.id)
+        attachment = self.attach_model.browse(res["res_id"])
+        self.set_e_invoice_file_id(attachment, "IT06363391001_random.xml")
+
+        xml_content = base64.decodebytes(attachment.datas)
+        self.check_content(
+            xml_content,
+            "IT06363391001_random.xml",
+            module_name="l10n_it_fatturapa_out_welfare",
+        )

l10n_it_fatturapa_out_welfare/views/account_move_views.xml

@@ -0,0 +1,59 @@
+<?xml version="1.0" encoding="UTF-8" ?>
+<!--
+  ~ Copyright 2022 Simone Rubino - TAKOBI
+  ~ License AGPL-3.0 or later (https://www.gnu.org/licenses/agpl).
+  -->
+<odoo>
+    <!-- Views -->
+    <record id="view_move_welfare_form" model="ir.ui.view">
+        <field
+            name="name"
+        >Add Welfare Fund Type Amount to Invoice Line Form View</field>
+        <field name="model">account.move</field>
+        <field name="inherit_id" ref="account.view_move_form" />
+        <field name="arch" type="xml">
+            <xpath
+                expr="//field[@name='invoice_line_ids']/tree/field[@name='price_subtotal']"
+                position="before"
+            >
+                <field name="welfare_grouping_fund_type_amount_id" invisible="True" />
+                <field
+                    name="welfare_fund_type_amount_ids"
+                    widget="many2many_tags"
+                    attrs="{
+                        'readonly': [
+                            ('welfare_grouping_fund_type_amount_id', '!=', False),
+                        ],
+                    }"
+                />
+            </xpath>
+            <notebook position="after">
+                <field name="should_regenerate_welfare_lines" invisible="True" />
+                <button
+                    name="button_regenerate_welfare_lines"
+                    type="object"
+                    string="Generate Welfare Lines"
+                    help="Existing Grouping Welfare Invoice Lines will be deleted, and new ones will be created."
+                    attrs="{
+                        'invisible': [
+                            ('should_regenerate_welfare_lines', '=', False),
+                        ],
+                    }"
+                />
+            </notebook>
+        </field>
+    </record>
+
+    <record id="view_move_line_welfare_tree" model="ir.ui.view">
+        <field
+            name="name"
+        >Add Welfare Fund Type Amount to Invoice Line Tree View</field>
+        <field name="model">account.move.line</field>
+        <field name="inherit_id" ref="account.view_move_line_tree" />
+        <field name="arch" type="xml">
+            <field name="tax_ids" position="after">
+                <field name="welfare_fund_type_amount_ids" widget="many2many_tags" />
+            </field>
+        </field>
+    </record>
+</odoo>

l10n_it_fatturapa_out_welfare/views/invoice_it_template.xml

@@ -0,0 +1,52 @@
+<?xml version="1.0" encoding="utf-8" ?>
+<!-- Copyright 2021 Alex Comba - Agile Business Group
+     Copyright 2023 Simone Rubino - TAKOBI
+     License AGPL-3.0 or later (https://www.gnu.org/licenses/agpl). -->
+<odoo>
+
+    <template
+        id="wt_account_invoice_it_dati_cassa_previdenziale"
+        inherit_id="l10n_it_fatturapa_out_wt.wt_account_invoice_it_dati_cassa_previdenziale"
+        priority="900"
+    >
+        <DatiCassaPrevidenziale position="after">
+            <!--2.1.1.7-->
+            <DatiCassaPrevidenziale
+                t-foreach="set_dati_cassa_previdenziale(record)"
+                t-as="dc_line"
+            >
+                  <TipoCassa t-out="dc_line['TipoCassa']" />
+                  <AlCassa t-out="dc_line['AlCassa']" />
+                  <ImportoContributoCassa t-out="dc_line['ImportoContributoCassa']" />
+                  <ImponibileCassa
+                    t-if="dc_line['ImponibileCassa']"
+                    t-out="dc_line['ImponibileCassa']"
+                />
+                  <AliquotaIVA
+                    t-if="dc_line['AliquotaIVA']"
+                    t-out="dc_line['AliquotaIVA']"
+                />
+                  <Ritenuta t-if="dc_line['Ritenuta']">SI</Ritenuta>
+                  <Natura t-if="dc_line['Natura']" t-out="dc_line['Natura']" />
+                  <RiferimentoAmministrazione
+                    t-if="dc_line['RiferimentoAmministrazione']"
+                    t-out="dc_line['RiferimentoAmministrazione']"
+                />
+            </DatiCassaPrevidenziale>
+        </DatiCassaPrevidenziale>
+    </template>
+
+    <template
+        id="account_invoice_it_fattura_elettronica_body_welfare"
+        inherit_id="l10n_it_fatturapa_out.account_invoice_it_fattura_elettronica_body"
+        priority="900"
+    >
+        <xpath expr="//DatiBeniServizi/t[@t-as='line']" position="attributes">
+            <attribute
+                name="t-foreach"
+            >record.invoice_line_ids.filtered(lambda l: not l.welfare_grouping_fund_type_amount_id).sorted(key=lambda l: (-l.sequence, l.date, l.move_name, -l.id), reverse=True)</attribute>
+        </xpath>
+
+    </template>
+
+</odoo>

l10n_it_fatturapa_out_welfare/views/welfare_fund_type_amount_views.xml

@@ -0,0 +1,61 @@
+<?xml version="1.0" encoding="UTF-8" ?>
+<!--
+  ~ Copyright 2022 Simone Rubino - TAKOBI
+  ~ License AGPL-3.0 or later (https://www.gnu.org/licenses/agpl).
+  -->
+<odoo>
+    <!-- Views -->
+    <record id="welfare_fund_type_amount_view_form" model="ir.ui.view">
+        <field name="name">Form View for Welfare Fund Type Amount</field>
+        <field name="model">welfare.fund.type.amount</field>
+        <field name="arch" type="xml">
+            <form>
+                <sheet>
+                    <group>
+                        <field name="name" />
+                        <field name="welfare_fund_type_id" />
+                        <field name="amount" />
+                        <field name="administration_reference" />
+                    </group>
+                </sheet>
+            </form>
+        </field>
+    </record>
+
+    <record id="welfare_fund_type_amount_view_tree" model="ir.ui.view">
+        <field name="name">Tree View for Welfare Fund Type Amount</field>
+        <field name="model">welfare.fund.type.amount</field>
+        <field name="arch" type="xml">
+            <tree>
+                <field name="name" />
+                <field name="welfare_fund_type_id" />
+                <field name="amount" />
+            </tree>
+        </field>
+    </record>
+
+    <record id="welfare_fund_type_amount_view_search" model="ir.ui.view">
+        <field name="name">Search View for Welfare Fund Type Amount</field>
+        <field name="model">welfare.fund.type.amount</field>
+        <field name="arch" type="xml">
+            <search>
+                <field name="name" />
+                <field name="welfare_fund_type_id" />
+                <field name="amount" />
+            </search>
+        </field>
+    </record>
+
+    <!-- Actions -->
+    <record id="welfare_fund_type_amount_action" model="ir.actions.act_window">
+        <field name="name">Welfare Fund Type Amounts</field>
+        <field name="res_model">welfare.fund.type.amount</field>
+    </record>
+
+    <!-- Menus -->
+    <record id="welfare_fund_type_amount_menu" model="ir.ui.menu">
+        <field name="name">Welfare Fund Type Amounts</field>
+        <field name="action" ref="welfare_fund_type_amount_action" />
+        <field name="parent_id" ref="l10n_it_fatturapa.fatturapa_common_menu" />
+    </record>
+</odoo>

l10n_it_fatturapa_out_welfare/wizards/__init__.py

@@ -0,0 +1,3 @@
+#  License AGPL-3.0 or later (https://www.gnu.org/licenses/agpl).
+
+from . import wizard_export_fatturapa

l10n_it_fatturapa_out_welfare/wizards/wizard_export_fatturapa.py

@@ -0,0 +1,95 @@
+#  Copyright 2022 Simone Rubino - TAKOBI
+#  License AGPL-3.0 or later (https://www.gnu.org/licenses/agpl).
+
+from odoo import api, models
+from odoo.fields import first
+from odoo.tools.float_utils import float_is_zero, float_round
+
+
+def formatRateType(amount):
+    return "%.2f" % float_round(abs(amount), 2)
+
+
+def formatAmount2DecimalType(amount):
+    return "%.2f" % float_round(amount, 2)
+
+
+class WizardExportFatturapa(models.TransientModel):
+    _inherit = "wizard.export.fatturapa"
+
+    def get_dati_cassa_previdenziale(self, invoice_line):
+        """
+        Return node DatiCassaPrevidenziale,
+        its values are based on `invoice_line`.
+        """
+        DatiCassaPrevidenziale = False
+        welfare_amount = invoice_line.welfare_grouping_fund_type_amount_id
+        if welfare_amount:
+            # Mandatory fields
+            tax = first(invoice_line.tax_ids)
+            DatiCassaPrevidenziale = {
+                "TipoCassa": welfare_amount.welfare_fund_type_id.name,
+                "AlCassa": formatRateType(welfare_amount.amount),
+                "ImportoContributoCassa": formatAmount2DecimalType(
+                    invoice_line.price_subtotal,
+                ),
+                "AliquotaIVA": formatRateType(tax.amount),
+            }
+
+            # Optional fields
+            grouped_lines = invoice_line.welfare_grouped_invoice_line_ids
+            grouped_lines_subtotal = sum(grouped_lines.mapped("price_subtotal"))
+            DatiCassaPrevidenziale["ImponibileCassa"] = False
+            if not float_is_zero(grouped_lines_subtotal, 2):
+                grouped_lines_subtotal = formatAmount2DecimalType(
+                    grouped_lines_subtotal
+                )
+                DatiCassaPrevidenziale["ImponibileCassa"] = grouped_lines_subtotal
+
+            DatiCassaPrevidenziale["Ritenuta"] = False
+            withholding_taxes = invoice_line.invoice_line_tax_wt_ids
+            if withholding_taxes:
+                DatiCassaPrevidenziale["Ritenuta"] = True
+
+            DatiCassaPrevidenziale["Natura"] = False
+            tax_kind = tax.kind_id
+            if tax_kind:
+                DatiCassaPrevidenziale["Natura"] = tax_kind.code
+
+            DatiCassaPrevidenziale["RiferimentoAmministrazione"] = False
+            administration_reference = welfare_amount.administration_reference
+            if administration_reference:
+                DatiCassaPrevidenziale[
+                    "RiferimentoAmministrazione"
+                ] = administration_reference
+
+        return DatiCassaPrevidenziale
+
+    @api.model
+    def getTemplateValues(self, template_values):
+        def set_dati_cassa_previdenziale(invoice):
+            """
+            Set in `body` and return all the nodes DatiCassaPrevidenziale,
+            their values are based on `invoice`.
+            """
+            DatiCassaPrevidenziale_list = list()
+            for invoice_line in invoice.invoice_line_ids:
+                DatiCassaPrevidenziale = self.get_dati_cassa_previdenziale(
+                    invoice_line,
+                )
+                if DatiCassaPrevidenziale:
+                    DatiCassaPrevidenziale_list.append(DatiCassaPrevidenziale)
+            return DatiCassaPrevidenziale_list
+
+        template_values = super().getTemplateValues(template_values)
+        template_values["set_dati_cassa_previdenziale"] = set_dati_cassa_previdenziale
+        return template_values
+
+    @api.model
+    def _get_e_invoice_lines(self, invoice):
+        invoice_lines = super()._get_e_invoice_lines(invoice)
+        # Exclude Welfare Grouping Lines
+        # from the Invoice Lines
+        # that will become Electronic Invoice Lines
+        welfare_lines = invoice_lines.filtered("welfare_grouping_fund_type_amount_id")
+        return invoice_lines - welfare_lines