cartads: add abstract model class in the middle (#31611)

passerelle/apps/cartads_cs/models.py

@@ -64,8 +64,7 @@ class CartaDSDossier(models.Model):
     last_update_datetime = models.DateTimeField(auto_now=True)
 
 
-class CartaDSCS(BaseResource):
-    category = _('Misc')
+class AbstractCartaDSCS(BaseResource):
 
     wsdl_base_url = models.URLField(_('WSDL Base URL'),
             help_text=_('ex: https://example.net/adscs/webservices/'))
@@ -79,7 +78,9 @@ class CartaDSCS(BaseResource):
     ftp_client_name = models.CharField(_('FTP Client Name'), max_length=64)
 
     class Meta:
-        verbose_name = 'Cart@DS CS'
+        # it is abstract to make it possible for an external connector (@GL) to
+        # reuse the full connector.
+        abstract = True
 
     @property
     def wsdl_url(self):
@@ -89,7 +90,7 @@ class CartaDSCS(BaseResource):
         return self.wsdl_base_url + service_type + '.svc?singleWsdl'
 
     def soap_client(self, **kwargs):
-        client = super(CartaDSCS, self).soap_client(**kwargs)
+        client = super(AbstractCartaDSCS, self).soap_client(**kwargs)
         # fix URL that should have been changed by reverse proxy
         parsed_wsdl_address = urlparse.urlparse(client.service._binding_options['address'])
         parsed_real_address = urlparse.urlparse(self.wsdl_base_url)
@@ -444,3 +445,9 @@ class CartaDSCS(BaseResource):
             status_id = 'pending'
             status_label = _('Pending')
         return {'status_id': status_id, 'status_label': status_label, 'extra': extra}
+
+
+class CartaDSCS(AbstractCartaDSCS):
+    category = _('Misc')
+    class Meta:
+        verbose_name = 'Cart@DS CS'