feat(sdk): Add creation of indexes and indexing of messages

[dragonfly1033]

Integrate matrix-sdk-search into matrix-sdk.
When a room is joined, a corresponding index is created.
When a message is received via sync or via a back-pagination, it is added to the corresponding room's index.

Signed-off-by: Shrey Patel shreyp@element.io

[codecov]

Codecov Report

❌ Patch coverage is 80.80808% with 19 lines in your changes missing coverage. Please review.
✅ Project coverage is 88.58%. Comparing base (6c944a9) to head (7267848).
⚠️ Report is 47 commits behind head on main.
✅ All tests successful. No failed tests found.

Files with missing lines	Patch %	Lines
crates/matrix-sdk-search/src/schema.rs	72.41%	7 Missing and 1 partial ⚠️
crates/matrix-sdk/src/event_cache/pagination.rs	66.66%	4 Missing and 1 partial ⚠️
crates/matrix-sdk/src/event_cache/room/mod.rs	84.00%	0 Missing and 4 partials ⚠️
crates/matrix-sdk-search/src/index.rs	92.00%	0 Missing and 2 partials ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##             main    #5505      +/-   ##
==========================================
+ Coverage   88.57%   88.58%   +0.01%     
==========================================
  Files         339      339              
  Lines       93627    93649      +22     
  Branches    93627    93649      +22     
==========================================
+ Hits        82927    82957      +30     
+ Misses       6565     6558       -7     
+ Partials     4135     4134       -1     

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[codspeed-hq]

CodSpeed Performance Report

Merging #5505 will not alter performance

_{Comparing dragonfly1033/integrate-search (7267848) with main (0e70a2f)}

Summary

✅ 31 untouched benchmarks

[andybalaam]

Handing to @poljar as I think you are looking after this. If this is just a standard review, feel free to hand it back to me.

[bnjbvr]

Sweet, excited to see this integration happen 🥳

I've got a few suggestions about the API shape and the integration into the event cache, but you're off a great start!

[bnjbvr]

A few more questions, but this is almost good to land 🥳

[bnjbvr]

Thanks, approving with some review comments, we can refine it later 👍 Good job!

[bnjbvr]

See new responses in review comments.

[bnjbvr]

I hear that some changes are missing from this PR 👀

[bnjbvr]

Alright, let's ship it, and we'll work on improvements in subsequent PRs. Good job!

[bnjbvr]

I do realize only now; it might be better to have the callers of this method directly call the Client's method, since if they have a Room around they have a Client around. And having Room-methods is mostly nice for public APIs (like search below), otherwise there's no need to have an indirect call structure like this.