Implement Odoo parent ID fetch

src/servala/core/models/organization.py

@@ -184,11 +184,28 @@ class BillingEntity(ServalaModelMixin, models.Model):
         return instance
 
     @classmethod
-    def create_from_id(cls, odoo_id):
-        # TODO implement odoo creation from ID
-        # instance = BillingEntity.objects.create(name=odoo_data.get("name"))
-        # return instance
-        pass
+    @transaction.atomic
+    def create_from_id(cls, name, odoo_id):
+        parent_data = CLIENT.search_read(
+            model="res.partner",
+            domain=[["id", "=", odoo_id]],
+            fields=["parent_id"],
+            limit=1,
+        )
+        # Data validation: If the data is not as expected, we just return None,
+        # rather than raising an exception, for now.
+        if not parent_data:
+            return
+        if not (parent_info := parent_data[0].get("parent_id")):
+            return
+        if not isinstance(parent_info, (list, tuple)) or not len(parent_info) > 0:
+            # parent_info is a tuple of the parent’s ID and name
+            return
+
+        instance = cls.objects.create(
+            name=name, odoo_invoice_id=odoo_id, odoo_company_id=parent_info[0]
+        )
+        return instance
 
     @cached_property
     def odoo_data(self):

src/servala/settings.py

@@ -10,11 +10,12 @@ Servala is run using environment variables. Documentation:
 """
 
 import os
-import sentry_sdk
 from pathlib import Path
+
+import sentry_sdk
+from django.contrib import messages
 from sentry_sdk.integrations.django import DjangoIntegration
 
-from django.contrib import messages
 from servala.__about__ import __version__ as version
 
 SERVALA_ENVIRONMENT = os.environ.get("SERVALA_ENVIRONMENT", "development")