fix related expos

apps/functions/model_mixin.py

@@ -178,22 +178,20 @@ class EventMixin(object):
             result = []
             tags = list(self.tag.all().values_list('pk', flat=True))
             themes = list(self.theme.all().values_list('pk', flat=True))
-            top_paid = list(
+            top_expos = list(
                 model.objects.filter(
-                    Q(
                     top__isnull=False,
                     theme__in=themes,
                     top__fr__lte=date.today(),
                     top__to__gte=date.today()
-                    ) |
-                    Q(
+                ).order_by('?')
+            )
+            paid_expos = list(
+                model.objects.filter(
                     paid_new__isnull=False,
                     theme__in=themes,
                     top__fr__lte=date.today(),
                     top__to__gte=date.today()
-                    )
-                ).filter(
-                    is_published=True
                 ).order_by('?')
             )
             qs = model.objects.language().filter(country_id=self.country_id)
@@ -202,9 +200,9 @@ class EventMixin(object):
                 qs = model.objects.language()
                 r, e = self.get_recommend_expos_incl(qs, tags, themes, exclude)
                 result += r
-            result = top_paid + result
+            result = list(set(top_expos + paid_expos + result))
             if len(result) < 5:
-                self._recommend_expos = result[:3]
+                self._recommend_expos = result[:2]
             else:
                 self._recommend_expos = result[3:5]
         return self._recommend_expos