Fix scoreboard sorting failing on custom scoreboardOrderSubmissions, add more error checking when creating scoreboard entries / displaying

[20wildmanj]

Description

• Adds more error-catching logic when calling custom scoreboardOrderSubmissions, in the case that an exception is raised, and tells the instructor via an error message
• Adds a rescue block to the top-level sort call in #show so that if a bad sort / comparison occurs, the error can be caught
• Instead of returning scoreboard entries with "-" on errors, raise an error, and in #show, revert to an empty array
• In the #show view code, check that the current entry length is greater than the index in order to show a score, else show an error icon (which handles the empty array case)
• Fix up logging, add more specific errors to be returned to instructors, and redirect students back to assessments index

Motivation and Context

Closes #2086

How Has This Been Tested?

Import the provided assessment: randomlab5_20240217.tar.zip

1. Upload at least two submissions as students

2. View scoreboard, see that it renders fine (if it is not rendering fine, upload autograder.taras the autograder)

3. Upload the assessment config file randomlab5-bad-scoreboard-order.rb (in Edit Assessment you can upload)

   • this test returns a bad sort, causing an ArgumentError

4. See that you get an error as follows:

5. Try to view scoreboard as a student and see that you get redirected back to assessment index with an error flash

6. Upload the initial assessment config file back, and then upload autograde-bad.tar as the new autograder

   • this autograder returns just a number instead of an array

7. Regrade all submissions

8. view scoreboard as instructor, see that following error appears:

9. View scoreboard as student, see that scoreboard is visible but error icons appear:

10. Upload the old autograder.tar back, and regrade all

11. Then add this code after line 296 in scoreboards_controller.rb:

    if [true, false].sample
      parsed["scoreboard"] = 0
    end

    ( you may need to also reload the config file)

    • this replicates the scenario where sometimes the scoreboard results aren't correct / autograder failed

12. view the scoreboard as an instructor, see the following error

13. As a student, see something like this (all the bad scoreboard entries are at the bottom)

Types of changes

• [x] Bug fix (non-breaking change which fixes an issue)

[coderabbitai[bot]]

Walkthrough

This set of changes introduces improved error handling and sorting logic in the scoreboards_controller.rb, alongside UI adjustments in scoreboards/show.html.erb to enhance user experience when encountering errors. The modifications aim to address specific bugs and enhance the robustness of the application by preventing crashes and displaying more informative error messages.

Changes

File Path	Change Summary
app/controllers/scoreboards_controller.rb	Error handling in show, sorting logic adjustment, enhanced error messages and logging.
app/views/scoreboards/_form.html.erb	Modified form_for declaration and updated styling for error messages.
app/views/scoreboards/show.html.erb	Added error handling section and updated logic to prevent index out of bounds errors.
config/routes.rb	Removed get "help", on: :member route declaration within the scoreboard resource configuration.

Assessment against linked issues

Objective	Addressed	Explanation
ArgumentError in scoreboards#show due to Hash comparison [#2086]	✅
Improve error handling and logging in scoreboard processing [#2086]	✅
Ensure UI gracefully handles errors and prevents index out of bounds [#2086]	✅

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[damianhxy]

When updating the assessment rb file, if you go straight to the scoreboard (i.e. don't load the assessment index page), there is an error about an undefined method.

However, after loading the assessment index page at least once, the error message is now as expected

Suspect it is because reload_config_file is not called by assessments_controller.rb#update

[20wildmanj]

When updating the assessment rb file, if you go straight to the scoreboard (i.e. don't load the assessment index page), there is an error about an undefined method.

However, after loading the assessment index page at least once, the error message is now as expected

Suspect it is because reload_config_file is not called by assessments_controller.rb#update

I noticed this while testing, not sure why going to index would resolve this though because doesn't seem that index doesn't do any calls to reload the config file? Not sure if it's worth looking into a fix for a hook that very few classes use (and the ones that do should understand how to reload the config file)