article list api

web_admin/serializers/article_serializer.py

@@ -214,3 +214,22 @@ class DefaultArticleCardImageSerializer(serializers.ModelSerializer):
 
         card_image = DefaultArticleCardImage.objects.create(**validated_data)
         return card_image
+
+class ArticleListSerializer(serializers.ModelSerializer):
+    """
+    serializer for article API
+    """
+    article_cards = ArticleCardSerializer(many=True)
+    total_points = serializers.SerializerMethodField('get_total_points')
+
+    class Meta:
+        """
+        meta class
+        """
+        model = Article
+        fields = ('id', 'title', 'description', 'article_cards', 'total_points')
+
+    def get_total_points(self, obj):
+        """total points of article"""
+        total_question = ArticleSurvey.objects.filter(article=obj).count()
+        return total_question * 5