feat: add today_tracked field to Habit Serializer

tasks/apps/tree/serializers.py

@@ -17,9 +17,10 @@ class Meta:
         fields = ['id', 'name']
 
 class HabitSerializer(serializers.HyperlinkedModelSerializer):
+    today_tracked = serializers.IntegerField(read_only=True)
     class Meta:
         model = Habit
-        fields = ['id', 'name', 'description', 'slug', 'tagname']
+        fields = ['id', 'name', 'description', 'slug', 'tagname', 'today_tracked']
 
 class PlanSerializer(serializers.HyperlinkedModelSerializer):
     class Meta:

tasks/apps/tree/views.py

@@ -10,6 +10,7 @@
 from .commit import merge, calculate_changes_per_board
 from .habits import habits_line_to_habits_tracked
 
+from django.db.models import Count, Q
 from datetime import date, timedelta
 
 from django.http import HttpResponse
@@ -67,7 +68,12 @@ def get_queryset(self):
     serializer_class = BoardSerializer
 
 class HabitViewSet(viewsets.ModelViewSet):
-    queryset = Habit.objects.all()
+    queryset = Habit.objects.all().annotate(
+        today_tracked=Count(
+            'habittracked',
+            filter=Q(habittracked__published__date=date.today())
+        ),
+    )
     serializer_class = HabitSerializer
 
 class PlanViewSet(viewsets.ModelViewSet):