Allow more flexible filtering of weight entries

wger/weight/api/filtersets.py

@@ -0,0 +1,30 @@
+# This file is part of wger Workout Manager.
+#
+# wger Workout Manager is free software: you can redistribute it and/or modify
+# it under the terms of the GNU Affero General Public License as published by
+# the Free Software Foundation, either version 3 of the License, or
+# (at your option) any later version.
+#
+# wger Workout Manager is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU Affero General Public License
+# along with Workout Manager.  If not, see <http://www.gnu.org/licenses/>.
+
+# Third Party
+from django_filters import rest_framework as filters
+
+# wger
+from wger.weight.models import WeightEntry
+
+
+class WeightEntryFilterSet(filters.FilterSet):
+    class Meta:
+        model = WeightEntry
+        fields = {
+            'id': ['exact', 'in'],
+            'weight': ['exact', 'gt', 'gte', 'lt', 'lte'],
+            'date': ['exact', 'gt', 'gte', 'lt', 'lte'],
+        }

wger/weight/api/views.py

@@ -19,6 +19,7 @@
 from rest_framework import viewsets
 
 # wger
+from wger.weight.api.filtersets import WeightEntryFilterSet
 from wger.weight.api.serializers import WeightEntrySerializer
 from wger.weight.models import WeightEntry
 
@@ -32,7 +33,7 @@ class WeightEntryViewSet(viewsets.ModelViewSet):
 
     is_private = True
     ordering_fields = '__all__'
-    filterset_fields = ('date', 'weight')
+    filterset_class = WeightEntryFilterSet
 
     def get_queryset(self):
         """