[calendar] Add fun to calendar day links

vrobbler/apps/scrobbles/views.py

@@ -1368,6 +1368,20 @@ class ScrobbleCalendarView(LoginRequiredMixin, TemplateView):
             .order_by("timestamp")
         )
 
+        from django.db.models import Count
+        from django.db.models.functions import TruncDate
+        total_by_day = dict(
+            Scrobble.objects.filter(
+                user=self.request.user,
+                timestamp__date__gte=month_start,
+                timestamp__date__lte=month_end,
+            )
+            .annotate(local_date=TruncDate("timestamp", tzinfo=timezone.get_current_timezone()))
+            .values("local_date")
+            .annotate(count=Count("id"))
+            .values_list("local_date", "count")
+        )
+
         day_map = {d: [] for d in range(1, total_days + 1)}
         for scrobble in scrobbles:
             local_ts = timezone.localtime(scrobble.timestamp)
@@ -1395,6 +1409,7 @@ class ScrobbleCalendarView(LoginRequiredMixin, TemplateView):
             calendar_days.append({
                 "day": day_num,
                 "scrobbles": day_scrobbles,
+                "total_count": total_by_day.get(datetime(year, month, day_num).date(), 0),
                 "is_today": year == today.year and month == today.month and day_num == today.day,
                 "color": self._day_color(month, day_num, total_days),
             })