From 8bb25a4f6692de1501da49fec58aa42656df1743 Mon Sep 17 00:00:00 2001
From: Tobias Kunze <r@rixx.de>
Date: Thu, 4 Dec 2025 15:08:30 +0100
Subject: [PATCH] Add OrganizationOrigin.invoice_grouping

---
 ...invoice_grouping_to_organization_origin.py | 43 +++++++++++++++++++
 src/servala/core/models/__init__.py           |  2 +
 src/servala/core/models/organization.py       | 12 ++++++
 3 files changed, 57 insertions(+)
 create mode 100644 src/servala/core/migrations/0018_add_invoice_grouping_to_organization_origin.py

diff --git a/src/servala/core/migrations/0018_add_invoice_grouping_to_organization_origin.py b/src/servala/core/migrations/0018_add_invoice_grouping_to_organization_origin.py
new file mode 100644
index 0000000..2e8b97a
--- /dev/null
+++ b/src/servala/core/migrations/0018_add_invoice_grouping_to_organization_origin.py
@@ -0,0 +1,43 @@
+# Generated by Django 5.2.9 on 2025-12-04 12:46
+
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ("core", "0017_add_unit_and_convert_odoo_ids_to_charfield"),
+    ]
+
+    operations = [
+        migrations.AddField(
+            model_name="organizationorigin",
+            name="invoice_grouping",
+            field=models.CharField(
+                choices=[
+                    ("by_service", "By Service"),
+                    ("by_organization", "By Organization"),
+                ],
+                default="by_service",
+                help_text="Determines how service instances are grouped on invoices.",
+                max_length=20,
+                verbose_name="Invoice Line Item Grouping",
+            ),
+        ),
+        migrations.AlterField(
+            model_name="computeplanassignment",
+            name="unit",
+            field=models.CharField(
+                choices=[
+                    ("hour", "Hour"),
+                    ("day", "Day"),
+                    ("month", "Month (30 days / 720 hours)"),
+                    ("year", "Year"),
+                ],
+                default="hour",
+                help_text="Unit for the price (e.g., price per hour)",
+                max_length=10,
+                verbose_name="Billing unit",
+            ),
+        ),
+    ]
diff --git a/src/servala/core/models/__init__.py b/src/servala/core/models/__init__.py
index 4cb8fd7..2a2e9d4 100644
--- a/src/servala/core/models/__init__.py
+++ b/src/servala/core/models/__init__.py
@@ -1,6 +1,7 @@
 from .odoo_cache import OdooObjectCache
 from .organization import (
     BillingEntity,
+    InvoiceGroupingChoice,
     Organization,
     OrganizationInvitation,
     OrganizationMembership,
@@ -30,6 +31,7 @@ __all__ = [
     "ComputePlanAssignment",
     "ControlPlane",
     "ControlPlaneCRD",
+    "InvoiceGroupingChoice",
     "OdooObjectCache",
     "Organization",
     "OrganizationInvitation",
diff --git a/src/servala/core/models/organization.py b/src/servala/core/models/organization.py
index be4f587..f3d6c5d 100644
--- a/src/servala/core/models/organization.py
+++ b/src/servala/core/models/organization.py
@@ -382,6 +382,11 @@ class BillingEntity(ServalaModelMixin, models.Model):
         return data
 
 
+class InvoiceGroupingChoice(models.TextChoices):
+    BY_SERVICE = "by_service", _("By Service")
+    BY_ORGANIZATION = "by_organization", _("By Organization")
+
+
 class OrganizationOrigin(ServalaModelMixin, models.Model):
     """
     Every organization has an origin, though origins may be
@@ -433,6 +438,13 @@ class OrganizationOrigin(ServalaModelMixin, models.Model):
             "Optional message to display instead of billing address (e.g., 'You will be invoiced by Exoscale')."
         ),
     )
+    invoice_grouping = models.CharField(
+        max_length=20,
+        choices=InvoiceGroupingChoice.choices,
+        default=InvoiceGroupingChoice.BY_SERVICE,
+        verbose_name=_("Invoice Line Item Grouping"),
+        help_text=_("Determines how service instances are grouped on invoices. "),
+    )
 
     class Meta:
         verbose_name = _("Organization origin")