From 2f5240adfa0b98600e514f2a6cb28cad4549ddc8 Mon Sep 17 00:00:00 2001
From: Anatoly <a.feteleu@spider.ru>
Date: Mon, 9 Sep 2019 11:36:17 +0300
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---
 apps/establishment/serializers.py | 10 ++++++++++
 1 file changed, 10 insertions(+)

diff --git a/apps/establishment/serializers.py b/apps/establishment/serializers.py
index ed3d1212..bc83da09 100644
--- a/apps/establishment/serializers.py
+++ b/apps/establishment/serializers.py
@@ -214,6 +214,16 @@ class EstablishmentDetailSerializer(EstablishmentListSerializer):
         return ReviewSerializer(obj.reviews.by_status(status=review_models.Review.READY)
                                            .order_by('-published_at').first()).data
 
+    def get_in_favorites(self, obj):
+        """Get in_favorites status flag"""
+        user = self.context.get('request').user
+        if user.is_authenticated:
+            return obj.id in user.favorites.by_content_type(app_label='establishment',
+                                                            model='establishment')\
+                                           .values_list('object_id', flat=True)
+        else:
+            return False
+
 
 class EstablishmentCommentCreateSerializer(comment_serializers.CommentSerializer):
     """Create comment serializer"""