代码支持

backend/shop/serializers.py

@@ -176,6 +176,7 @@ class VCCourseSerializer(serializers.ModelSerializer):
     display_detail_image = serializers.SerializerMethodField()
     course_type_display = serializers.CharField(source='get_course_type_display', read_only=True)
     video_url = serializers.SerializerMethodField()
+    video_embed_code = serializers.SerializerMethodField()
     is_purchased = serializers.SerializerMethodField()
 
     class Meta:
@@ -234,6 +235,18 @@ class VCCourseSerializer(serializers.ModelSerializer):
             
         return None
 
+    def get_video_embed_code(self, obj):
+        """
+        仅当用户已付费/报名时返回视频嵌入代码
+        """
+        if not obj.is_video_course:
+            return None
+            
+        if self._check_purchased(obj):
+            return obj.video_embed_code
+            
+        return None
+
 class ESP32ConfigSerializer(serializers.ModelSerializer):
     """
     ESP32配置序列化器