Add support for pagination for 3D mappings (#11)

fyle_accounting_mappings/views.py

@@ -4,6 +4,7 @@
 from rest_framework.generics import ListCreateAPIView
 from rest_framework.response import Response
 from rest_framework.views import status
+from django.db.models import Count
 
 from .exceptions import BulkError
 from .utils import assert_valid
@@ -53,7 +54,14 @@ def get_queryset(self):
 
         assert_valid(source_type is not None, 'query param source type not found')
 
-        return Mapping.objects.filter(source_type=source_type, workspace_id=self.kwargs['workspace_id'])
+        if int(self.request.query_params.get('table_dimension')) == 3:
+            mappings = Mapping.objects.filter(source_id__in=Mapping.objects.filter(
+                source_type=source_type, workspace_id=self.kwargs['workspace_id']).values('source_id').annotate(
+                    count=Count('source_id')).filter(count=2).values_list('source_id'))
+        else:
+            mappings = Mapping.objects.filter(source_type=source_type, workspace_id=self.kwargs['workspace_id'])
+
+        return mappings.order_by('source__value')
 
     def post(self, request, *args, **kwargs):
         """

setup.py

@@ -8,7 +8,7 @@
 
 setuptools.setup(
     name='fyle-accounting-mappings',
-    version='0.11.0',
+    version='0.12.0',
     author='Shwetabh Kumar',
     author_email='[email protected]',
     description='Django application to store the fyle accounting mappings in a generic manner',