Feature: global search, keyboard shortcuts / hotkey support

[shamoon]

Proposed change

Been working on and playing with this for a while and I kinda love it. Welcome any feedback ofc.

This PR:

• Replaces the upper search (which is currently just like a shortcut to advanced search) with a Global search that searches all docs, tags, etc
  • Hybrid search: first searches by title (db, fast) but also adds in advanced search results (e.g. using the index) for docs if not enough results are found
    • Advanced search can be disabled
  • Moved the search suggestions to the advanced search field, where I think it shoulda been all along
• Adds hotkey shortcut keys for some things (its extremely easy to add more in the future with this)
  • Shift ? opens the help dialog

Video (all keyboard):

globalsearch.mov

Obviously this is mostly frontend, as far as the backend part I looked into different ways to search across models and this actually seemed the best. Of course, welcome any thoughts on that part in parcticular

Closes #240 but mostly I just think its way better than the current thing

Type of change

• Bug fix: non-breaking change which fixes an issue.
• New feature / Enhancement: non-breaking change which adds functionality. Please read the important note above.
• Breaking change: fix or feature that would cause existing functionality to not work as expected.
• Documentation only.
• Other. Please explain:

Checklist:

• I have read & agree with the contributing guidelines.
• If applicable, I have included testing coverage for new code in this PR, for backend and / or front-end changes.
• If applicable, I have tested my code for new features & regressions on both mobile & desktop devices, using the latest version of major browsers.
• If applicable, I have checked that all tests pass, see documentation.
• I have run all pre-commit hooks, see documentation.
• I have made corresponding changes to the documentation as needed.
• I have checked my modifications for any breaking changes.

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 97.18%. Comparing base (40289cd) to head (05b4ba5).

❗ Current head 05b4ba5 differs from pull request most recent head 75578ef. Consider uploading reports for the commit 75578ef to get more accurate results

Additional details and impacted files

@@            Coverage Diff             @@
##              dev    #6449      +/-   ##
==========================================
+ Coverage   97.11%   97.18%   +0.06%     
==========================================
  Files         430      436       +6     
  Lines       17499    17925     +426     
  Branches     1386     1516     +130     
==========================================
+ Hits        16995    17421     +426     
  Misses        501      501              
  Partials        3        3              

Flag	Coverage Δ
backend	95.87% <100.00%> (+0.02%)	⬆️
frontend	98.62% <100.00%> (+0.06%)	⬆️

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[nimodius]

WOw I very much like the look of this, excited to try it. Thank you paperless team for all the amazing work!!

[shamoon]

One update here: I realized the current iteration could lose access to running an advanced search in the way the current thing does, so I've added an 'Advanced search →' button that shows if:

1. Advanced search is disabled (so no advanced search results are shown) OR
2. Advanced search is enabled and the number of documents returned is the limit i.e. theres a possibility for more results.

See screenshots.

Potentially more results (same if advanced search disabled):

Only 1 result and advanced already enabled (no button):

[stumpylog]

Hard to test all the changes, but what I managed to seems to be working

[reinob]

I just updated to 2.8.1 (THANKS!), and have noticed that in the global search the text is black and the background dark green. Like in the screenshots above, except that the text is black (see screenshot).

Is this configurable somewhere? (I find it very hard to read).
(I'm using Firefox 125.0.3, and have currently nothing else to test it with).

[shamoon]

#6602

[shamoon]

Please dont comment on a merged PR, you can open discussion(s), thanks