How to assign a `external_id` to a topic?

mesos33 · October 17, 2023, 2:17am

I know that there’s a way to get a topic via external ID, but is there a way to assign an external_id to a topic without one?

simon · October 17, 2023, 4:00am

It’s not possible to add an external_id to an existing topic via an API request. For that to work, external_id would need to be added to the tracked_topic_fields in a similar way to how featured_link has been added here:

github.com

discourse/discourse/blob/main/lib/post_revisor.rb#L146C22-L154


      
          track_topic_field(:featured_link) do |topic_changes, featured_link|
            if !SiteSetting.topic_featured_link_enabled ||
                 !topic_changes.guardian.can_edit_featured_link?(topic_changes.topic.category_id)
              topic_changes.check_result(false)
            else
              topic_changes.record_change("featured_link", topic_changes.topic.featured_link, featured_link)
              topic_changes.topic.featured_link = featured_link
            end
          end

It should be possible to add an external_id when you first create a topic via the API. The only ways I can think of to update the external_id of an existing topic would be to make the change from the Rails console, or possibly from a Discourse plugin.

pfaffman · October 17, 2023, 2:08pm

Are you importing a bunch of topics? Maybe use an import script?

What problem are you solving with the external ID?

Topic		Replies	Views
What is the new `external_id` feature for topics used for? Dev rest-api	8	1674	October 3, 2023
External ID not getting saved in topic created by API Dev rest-api	0	155	February 27, 2024
Re-use of `external_id` after a Topic is deleted Support	5	616	September 29, 2022
API topic's external_ID can't be reused after deleting a topic and creating a new one Feature rest-api	1	362	June 9, 2024
Problem with creating Topic with external_id Dev rest-api	21	1355	October 13, 2022

How to assign a `external_id` to a topic?

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