Add auto assign author

api/v1/serializers/course.py

@@ -123,6 +123,9 @@ class CourseCreateSerializer(DispatchContentMixin,
         content = validated_data.pop('content', [])
         materials = validated_data.pop('materials', [])
         gallery = validated_data.pop('gallery', {})
+        author = validated_data.get('author', None)
+        if not author:
+            validated_data['author'] = self.context.request.user
         course = super().create(validated_data)
         self.dispatch_content(course, content)
         self.dispatch_materials(course, materials)
@@ -133,6 +136,8 @@ class CourseCreateSerializer(DispatchContentMixin,
         content = validated_data.pop('content', [])
         materials = validated_data.pop('materials', [])
         gallery = validated_data.pop('gallery', {})
+        if not author:
+            validated_data['author'] = self.context.request.user
         course = super().update(instance, validated_data)
         self.dispatch_materials(course, materials)
         self.dispatch_content(course, content)