[IMP]: account_invoice_section_sale_order add option to always create…

… sections

account_invoice_section_sale_order/__manifest__.py

@@ -10,4 +10,7 @@
     "license": "AGPL-3",
     "category": "Accounting & Finance",
     "depends": ["account", "sale"],
+    "data": [
+        "views/res_config_settings.xml"
+        ],
 }

account_invoice_section_sale_order/models/__init__.py

@@ -1 +1,3 @@
 from . import sale_order
+from . import res_config_settings
+from . import res_company

account_invoice_section_sale_order/models/res_company.py

@@ -0,0 +1,12 @@
+# Copyright 2021 Camptocamp SA
+# License AGPL-3.0 or later (https://www.gnu.org/licenses/agpl)
+from odoo import fields, models
+
+
+class ResCompany(models.Model):
+    _inherit = "res.company"
+
+    always_create_invoice_section = fields.Boolean(
+        help="Defines when to create sections",
+        default=False,
+    )

account_invoice_section_sale_order/models/res_config_settings.py

@@ -0,0 +1,12 @@
+# Copyright 2021 Camptocamp SA
+# License AGPL-3.0 or later (https://www.gnu.org/licenses/agpl)
+from odoo import fields, models
+
+
+class ResConfigSettings(models.TransientModel):
+    _inherit = "res.config.settings"
+
+    always_create_invoice_section = fields.Boolean(
+        related="company_id.always_create_invoice_section",
+        readonly=False,
+    )

account_invoice_section_sale_order/models/sale_order.py

@@ -16,7 +16,13 @@ def _create_invoices(self, grouped=False, final=False, date=None):
         """
         invoice_ids = super()._create_invoices(grouped=grouped, final=final)
         for invoice in invoice_ids:
-            if len(invoice.line_ids.mapped("sale_line_ids.order_id.id")) == 1:
+            if (
+                not invoice.company_id.always_create_invoice_section
+                and len(
+                    invoice.line_ids.mapped(invoice.line_ids._get_section_grouping())
+                )
+                == 1
+            ):
                 continue
             so = None
             sequence = 10

account_invoice_section_sale_order/views/res_config_settings.xml

@@ -0,0 +1,27 @@
+<?xml version="1.0" encoding="UTF-8" ?>
+<odoo>
+    <record id="res_config_settings_view_form" model="ir.ui.view">
+        <field name="name">res.config.settings.view.form.inherit.account</field>
+        <field name="model">res.config.settings</field>
+        <field name="inherit_id" ref="account.res_config_settings_view_form" />
+        <field name="arch" type="xml">
+            <xpath expr="//block[@id='invoicing_settings']" position="inside">
+
+                <setting
+                    id="invoice_section_sale_order"
+                    string="Section configuration"
+                    help="Customize section when invoicing from sale orders"
+                >
+                    <div class="row">
+                        <label
+                            for="always_create_invoice_section"
+                            class="col-lg-4 o_light_label"
+                            string="Create section even if an invoice is created from a single sale order"
+                        />
+                        <field name="always_create_invoice_section" />
+                    </div>
+                </setting>
+            </xpath>
+        </field>
+    </record>
+</odoo>