[BB-7296] Extend settings handler to be accessible via api

[pkulkark]

Description

This PR adds a new endpoint details_settings that allows fetching and updating the course details settings, which previously could only be updated with a session-based request. With these changes, it can be updated with a token-based request. The changes are similar to what already exists for advanced_settings.

Supporting information

OpenCraft Internal Jira ticket: BB-7296

Testing instructions

1. Checkout this branch and provision devstack.
2. Verify that the new api details show up in http://localhost:18010/api-docs/.
3. Using a token-based authentication, verify that the methods GET and PATCH return the expected results.

[openedx-webhooks]

Thanks for the pull request, @pkulkark!

As a core committer in this repo, you can merge this once the pull request is approved per the core committer reviewer requirements and according to the agreement with your edX Champion.

[0x29a]

👍

• I tested this.
• I read through the changes.

[mphilbrick211]

Hi @pkulkark! Would you mind resolving the branch conflicts here? I will look into getting this reviewed. Thanks!

[pkulkark]

@mphilbrick211 Done. Please go ahead with the review.

[mphilbrick211]

Hi @feanil! Ed thought you might be able to review/merge this one. Let me know if not. Thanks!

[feanil]

At the very least we need to explain what the content of the patch body would look like and how a user of the API can know what valid values are.

[feanil]

This doesn't tell me anything about what settings can be in the patch. What settings can actually be updated by this API endpoint? Is that already documented somewhere and you can just point to that from here? If not, can you provide a list of the values that can be in the patch body? Also, is it possible to write a serializer for the data being output and input for these views? That would solve both the documentation issue and could be used to perform some basic validation on the input.

[pkulkark]

@feanil This is meant to allow API access to the existing settings_handler which currently only allow session-based requests. It doesn't change any of its functionality. We added serializers for it in a separate django app (c.f. ref) which consumes this api along with the existing advanced_settings api. But you're right, I think we could still add one here like the CourseAdvancedSettingsSerializer. I'll add it and update here.

[pkulkark]

@feanil Turns out this feature was merged to master recently via another PR - #32397. So this is no longer needed. Closing it.

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