feat: [FC-0074] add support for optional trigger information

[mariajgrimaldi]

Description

Add triggering fields for opened-events annotations so developers can include relevant information about where the event is being triggered by rendering a link that redirects to a GH search with the source file and the event name.

Testing Instructions

1. Create a venv
2. Install this version of openedx-events which uses event_trigger_repository and event_trigger_path
3. Generate docs for openedx-events by running: make docs

You can also review the rendered docs here: https://docsopenedxorg--443.org.readthedocs.build/projects/openedx-events/en/443/

Merge Checklist:

• All reviewers approved
• Reviewer tested the code following the testing instructions
• CI build is green
• Version bumped
• Changelog record added with short description of the change and current date
• Documentation updated (not only docstrings)
• Noted any: Concerns, dependencies, migration issues, deadlines, tickets

Post Merge:

• Create a tag
• Create a release on GitHub
• Check new version is pushed to PyPI after tag-triggered build is
  finished.
• Delete working branch (if not needed anymore)

[openedx-webhooks]

Thanks for the pull request, @mariajgrimaldi!

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[sarina]

I'm also going to defer this review to @bmtcril

[bmtcril]

I would love to have this functionality, but I'm concerned that this implementation is too limiting. For instance if an event is triggered from multiple places, how would that be handled? I think it would also be challenging to keep the path references up to date when the annotations may be defined far away from the code.

[mariajgrimaldi]

@bmtcril: Thanks for the review! This is how it looks for events triggered in multiple locations. It's simply a list of paths, each with its own GH search link.

Can you explain further what you mean by I think it would also be challenging to keep the path references up to date when the annotations may be defined far away from the code? Also, what do you think would make this less limiting?

[bmtcril]

@bmtcril: Thanks for the review! This is how it looks for events triggered in multiple locations. It's simply a list of paths, each with its own GH search link.

Ah that's great, I had somehow forgotten that you could have repeating annotations.

Can you explain further what you mean by I think it would also be challenging to keep the path references up to date when the annotations may be defined far away from the code? Also, what do you think would make this less limiting?

My concern is that the event annotations live in openedx-events, but the places where events are triggered are elsewhere. So it would be hard to remember that when you refactor and move where an event is triggered, or add a new place, or remove it that you also need to go and update openedx-events to keep the docs up to date. I don't have a solution for that right now, but I think it's an important consideration.