Fix organization creation, make reusable for API

src/servala/core/models/organization.py

@@ -1,3 +1,4 @@
+from django.conf import settings
 from django.db import models
 from django.utils.translation import gettext_lazy as _
 
@@ -33,6 +34,18 @@ class Organization(ServalaModelMixin, models.Model):
             user=user, organization=self, role=OrganizationRole.OWNER
         )
 
+    @classmethod
+    def create_organization(cls, instance, owner):
+        try:
+            instance.origin
+        except Exception:
+            instance.origin = OrganizationOrigin.objects.get(
+                pk=settings.SERVALA_DEFAULT_ORIGIN
+            )
+        instance.save()
+        instance.set_owner(owner)
+        return instance
+
     class Meta:
         verbose_name = _("Organization")
         verbose_name_plural = _("Organizations")

src/servala/frontend/views/organization.py

@@ -8,8 +8,7 @@ class OrganizationCreateView(FormView):
     template_name = "frontend/organizations/create.html"
 
     def form_valid(self, form):
-        form.save()
-        form.instance.set_owner(self.request.user)
+        form.instance.create_organization(form.instance, owner=self.request.user)
         return super().form_valid(form)
 
     def get_success_url(self):