Hi everyone, I’m learning how to extend Discourse serializers, and I ran into a behavior that I don’t fully understand. I added this code to override PostSerializer#raw: require_dependency "post_serializer" class ::PostSerializer def raw if scope.can_edit?(object) object.raw else…

This is a feature of Ruby. When you use class ::PostSerializer, you are overriding the definition in the original class instead of inheriting from it. Because you are not inheriting from PostSerializer, super cannot find the corresponding method. You should use prepend instead of reopening an alrea…

[圖片] copymonopoly: I know I can avoid the problem by using object.raw instead of super, but I want to understand why super causes an exception here, especially because I also override other methods (cooked, post_stream, etc.) and super works fine in those cases. I’m pretty sure it’s because r…

[圖片] copymonopoly: I’m learning how to extend Discourse serializers You want to use add_to_serializer instead. E.g. How to add user data to the post serializer?

Thanks for the explanation! You’re right — reopening ::PostSerializer was the issue. After switching to prepend, everything works as expected. I’m now using this module: module PostSerializerExtension def raw if scope.can_edit?(object) super else object.raw&.truncate(300) …

No :roll_eyes: that is not the way [圖片] RGJ: You want to use add_to_serializer instead.

Oh. Right. I knew that. Not sure why that wasn’t my answer. :person_shrugging:

Technically, your answer was the correct one, since it explains the 500 error.

I answer the question he asked. You answered the question he should have asked! But at least I got it right.

在 PostSerializer#raw 中调用 super 导致 500 错误，而调用 object.raw 却可以工作的原因是什么？

开发

RGJ (Richard - Communiteq) 2025年十二月5日 15:18 4

您想改用 add_to_serializer。

例如：How to add user data to the post serializer?

話題		回覆	觀看
500 internal server error when updating a post by id Development	1	159	2025年十一月21日
User can't post: 500 internal server error Support	10	1507	2018年四月18日
Edits not displayed and timing out Bug fixed	11	465	2024年十一月6日
Plugin working locally But not in live Development	8	1880	2020年四月16日
Update a Post, via API PUT: request Development rest-api	6	2346	2023年十月31日

在 PostSerializer#raw 中调用 super 导致 500 错误，而调用 object.raw 却可以工作的原因是什么？

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