Feature/fec timeline

[rfultz]

Summary

• Resolves #

Updating how the timeline page and its entries could work

Required reviewers

• Front-end

Impacted areas of the application

• Updated the FecTimelinePage model
• Updated the FecTimelinePage template
• Created the FecTimelineItem page model and its template
• Registered a special admin view for FecTimelineItem pages and put it inside the News and Updates section in Wagtail
• Flake8 found an error in the home/wagtail_hooks.py so I fixed that, too

Screenshots

Editing the timeline

Child pages of the timeline

Timeline items' list under News and Updates

Editing a timeline item

Related PRs

None

How to test

• Pull the branch
• npm run build
• ./manage.py migrate (We shouldn't need makemigrations)
• ./manage.py runserver
• Log in to the Wagtail interface
• If you don't have a page under About that's of the FecTimelinePage template, create one (under About, the only place it can live)
• If you already have one, edit it
  • It should have the body field, a message at the bottom about its child pages, and an accurate preview
• Add a child page (for the FecTimelinePage)
• Populate the fields
  • The preview should populate when all required fields have values
  • The preview should work (e.g. clicking the <summary> should open the <details>)
  • The preview should change as changes are made, including whether it starts in an 'open' state
  • The author/editor directions/tips at the bottom should be clear and free of errors
  • The preview should included a faded-out entry about the current one and two below it, one for the same year and another in a later year (to should the current entry in context)
• Publish the timeline item page
• Create another timeline item or more—leave one as a draft
• Back to the FecTimelinePage
• Published timeline items should appear in the list
• Draft timeline items should not appear on the page
• The page functions in preview
• Category filtering works correctly
• Back to the Wagtail News and Updates column
  • FEC Timeline Items appear under News and Updates
  • Going into the FEC Timeline items option, the list looks correct (i.e. a title column (I couldn't replicate the functionality in other ways), a Summary column, Entry date, Categories, Updated, and Status)
  • The FEC Timeline items page/list sorting works as expected

NOTE
Because of the fix to register_viewset in home/wagtail_hooks.py,:

• Double check that the Authors lists are identical for localhost as for www
• Double check that the News and Updates lists are identical between localhost and www

[codecov]

Codecov Report

❌ Patch coverage is 76.05634% with 17 lines in your changes missing coverage. Please review.
✅ Project coverage is 79.54%. Comparing base (efe0a99) to head (a3b0751).
⚠️ Report is 14 commits behind head on develop.

Files with missing lines	Patch %	Lines
fec/home/models.py	67.30%	17 Missing ⚠️

Additional details and impacted files

@@             Coverage Diff             @@
##           develop    #6859      +/-   ##
===========================================
- Coverage    79.65%   79.54%   -0.11%     
===========================================
  Files          239      240       +1     
  Lines         5279     5334      +55     
===========================================
+ Hits          4205     4243      +38     
- Misses        1074     1091      +17     

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