solve bug related to gunicorns random module loading behaviour

jdav_web/members/admin.py

@@ -85,26 +85,69 @@ class MemberAdmin(admin.ModelAdmin):
         queryset = super().get_queryset(request)
         one_year_ago = datetime.now() - timedelta(days=365)
         queryset = queryset.annotate(
-            _jugendleiter_klettertreff_score=Sum(Case(
-                When(
-                    klettertreff__date__gte=one_year_ago,
-                    then=1),
-                default=0,
+            _jugendleiter_freizeit_score_calc=Subquery(
+                Freizeit.objects.filter(jugendleiter=OuterRef('pk'),
+                                        date__gte=one_year_ago)
+                    .values('jugendleiter')
+                    .annotate(cnt=Count('pk', distinct=True))
+                    .values('cnt'),
                 output_field=IntegerField()
-                )),
-            _jugendleiter_freizeit_score=Sum(Case(
-                When(
-                    freizeit__date__gte=one_year_ago,
-                    then=1),
-                default=0,
+                ),
+            # better solution but does not work in production apparently
+            #_jugendleiter_freizeit_score=Sum(Case(
+            #    When(
+            #        freizeit__date__gte=one_year_ago,
+            #        then=1),
+            #    default=0,
+            #    output_field=IntegerField()
+            #    ),
+            #    distinct=True),
+            _jugendleiter_klettertreff_score_calc=Subquery(
+                Klettertreff.objects.filter(jugendleiter=OuterRef('pk'),
+                                            date__gte=one_year_ago)
+                    .values('jugendleiter')
+                    .annotate(cnt=Count('pk', distinct=True))
+                    .values('cnt'),
+                output_field=IntegerField()
+                ),
+            # better solution but does not work in production apparently
+            #_jugendleiter_klettertreff_score=Sum(Case(
+            #    When(
+            #        klettertreff__date__gte=one_year_ago,
+            #        then=1),
+            #    default=0,
+            #    output_field=IntegerField()
+            #    ),
+            #    distinct=True),
+            _freizeit_score_calc=Subquery(
+                Freizeit.objects.filter(membersonlist__member=OuterRef('pk'),
+                                        date__gte=one_year_ago)
+                    .values('membersonlist__member')
+                    .annotate(cnt=Count('pk', distinct=True))
+                    .values('cnt'),
                 output_field=IntegerField()
-                )),
+                ),
             _klettertreff_score_calc=Subquery(
                 KlettertreffAttendee.objects.filter(member=OuterRef('pk'),
                                                     klettertreff__date__gte=one_year_ago)
                     .values('member')
                     .annotate(cnt=Count('pk', distinct=True))
                     .values('cnt'),
+                output_field=IntegerField()))
+        queryset = queryset.annotate(
+            _jugendleiter_freizeit_score=Case(
+                When(
+                    _jugendleiter_freizeit_score_calc=None,
+                    then=0
+                ),
+                default=F('_jugendleiter_freizeit_score_calc'),
+                output_field=IntegerField()),
+            _jugendleiter_klettertreff_score=Case(
+                When(
+                    _jugendleiter_klettertreff_score_calc=None,
+                    then=0
+                ),
+                default=F('_jugendleiter_klettertreff_score_calc'),
                 output_field=IntegerField()),
             _klettertreff_score=Case(
                 When(
@@ -113,23 +156,17 @@ class MemberAdmin(admin.ModelAdmin):
                 ),
                 default=F('_klettertreff_score_calc'),
                 output_field=IntegerField()),
-            _freizeit_score_calc=Subquery(
-                Freizeit.objects.filter(membersonlist__member=OuterRef('pk'),
-                                        date__gte=one_year_ago)
-                    .values('membersonlist__member')
-                    .annotate(cnt=Count('pk', distinct=True))
-                    .values('cnt'),
-                output_field=IntegerField()
-                ),
             _freizeit_score=Case(
                 When(
                     _freizeit_score_calc=None,
                     then=0
                 ),
                 default=F('_freizeit_score_calc'),
-                output_field=IntegerField()),
+                output_field=IntegerField()))
+        queryset = queryset.annotate(
+            #_activity_score=F('_jugendleiter_freizeit_score')
             _activity_score=(F('_klettertreff_score') + 3 * F('_freizeit_score')
-                + 2 * F('_jugendleiter_klettertreff_score') + 6 * F('_jugendleiter_freizeit_score'))
+                + F('_jugendleiter_klettertreff_score') + 3 * F('_jugendleiter_freizeit_score'))
         )
         return queryset