Add date filter to models with `time` field

Fixes #328

api/filters.py

@@ -0,0 +1,29 @@
+# -*- coding: utf-8 -*-
+from django_filters import rest_framework as filters
+from core import models
+
+
+class DateFromTimeFieldFilter(filters.FilterSet):
+    date = filters.DateFilter(field_name='date', label='Date')
+    date_min = filters.DateFilter(field_name='time__date', label='Min. Date',
+                                  lookup_expr='gte')
+    date_max = filters.DateFilter(field_name='time__date', label='Max. Date',
+                                  lookup_expr='lte')
+
+
+class DiaperChangeFilter(DateFromTimeFieldFilter):
+    class Meta:
+        model = models.DiaperChange
+        fields = ['child', 'wet', 'solid', 'color', 'amount']
+
+
+class NoteFilter(DateFromTimeFieldFilter):
+    class Meta:
+        model = models.Note
+        fields = ['child']
+
+
+class TemperatureFilter(DateFromTimeFieldFilter):
+    class Meta:
+        model = models.Temperature
+        fields = ['child']

api/views.py

@@ -3,7 +3,7 @@ from rest_framework import viewsets
 
 from core import models
 
-from . import serializers
+from . import serializers, filters
 from .mixins import TimerFieldSupportMixin
 
 
@@ -17,7 +17,7 @@ class ChildViewSet(viewsets.ModelViewSet):
 class DiaperChangeViewSet(viewsets.ModelViewSet):
     queryset = models.DiaperChange.objects.all()
     serializer_class = serializers.DiaperChangeSerializer
-    filterset_fields = ('child', 'wet', 'solid', 'color', 'amount')
+    filterset_class = filters.DiaperChangeFilter
 
 
 class FeedingViewSet(TimerFieldSupportMixin, viewsets.ModelViewSet):
@@ -29,7 +29,7 @@ class FeedingViewSet(TimerFieldSupportMixin, viewsets.ModelViewSet):
 class NoteViewSet(viewsets.ModelViewSet):
     queryset = models.Note.objects.all()
     serializer_class = serializers.NoteSerializer
-    filterset_fields = ('child',)
+    filterset_class = filters.NoteFilter
 
 
 class SleepViewSet(TimerFieldSupportMixin, viewsets.ModelViewSet):
@@ -41,7 +41,7 @@ class SleepViewSet(TimerFieldSupportMixin, viewsets.ModelViewSet):
 class TemperatureViewSet(viewsets.ModelViewSet):
     queryset = models.Temperature.objects.all()
     serializer_class = serializers.TemperatureSerializer
-    filterset_fields = ('child',)
+    filterset_class = filters.TemperatureFilter
 
 
 class TimerViewSet(viewsets.ModelViewSet):