Let clients fetch only a part of their services

django_backend/backend/clientapi/views.py

 
 from rest_framework import generics
 from rest_framework.authentication import TokenAuthentication
-
 from .. import rabbitmq
 from . import serializers, models
 
@@ -15,14 +14,24 @@ class DeploymentsView(generics.RetrieveAPIView):
     serializer_class = serializers.DeploymentsSerializer
 
     def get_object(self):
-        all = False
+        all_services = False
 
         if ('all' in self.request.query_params and
                 self.request.query_params['all'] == 'true'):
-            all = True
+            all_services = True
+
+        # the client may want only a special selection of services
+        if 's' in self.request.query_params:
+            filter_services = self.request.query_params.getlist('s')
+            print(filter_services)
+        else:
+            filter_services = None
 
         d = models.Deployments()
-        d.services = self.request.user.site.clientapi_get_deployments(all=all)
+        d.services = self.request.user.site.clientapi_get_deployments(
+                all=all_services,
+                filter=filter_services,
+                )
         return d
 
 

django_backend/backend/models.py

@@ -70,7 +70,7 @@ class Site(models.Model):
         self.last_fetch = make_aware(datetime.now())
         self.save()
 
-    def clientapi_get_deployments(self, all=False):
+    def clientapi_get_deployments(self, all=False, filter=None):
         def service_deployments(service):
             if all:
                 ds = (
@@ -92,9 +92,17 @@ class Site(models.Model):
 
             return ds
 
+        if filter is not None:
+            services = [s
+                        for s
+                        in self.services.all()
+                        if s.name in filter]
+        else:
+            services = self.services.all()
+
         deployments = {service.name: service_deployments(service)
                        for service
-                       in self.services.all()}
+                       in services}
 
         # TODO we expect the client to get the update here
         self.client_updated()