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…

[изображение] 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 …

[изображение] 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 [изображение] 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.

Почему вызов super в PostSerializer#raw вызывает ошибку 500, а вызов object.raw работает?

Разработка

RGJ (Richard - Communiteq) 05.Декабрь.2025 15:18:04 4

You want to use add_to_serializer instead.

E.g. How to add user data to the post serializer?

Тема		Ответов	Просм.
500 internal server error when updating a post by id Development	2	67	21.11.2025
User can't post: 500 internal server error Support	12	1377	18.04.2018
Edits not displayed and timing out Bug fixed	12	288	09.11.2024
Plugin working locally But not in live Development	8	1787	16.04.2020
Update a Post, via API PUT: request Development rest-api	7	2221	31.10.2023

Почему вызов super в PostSerializer#raw вызывает ошибку 500, а вызов object.raw работает?

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