thewca / worldcubeassociation.org / 21671076871

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Diff Protocol for WCA Live Result Web Socket updates (#13303)

* add live_state method

* add diff method for LiveResult

* add diff method for live attempts

* state_diff method

* move diff methods to helper class

* use serializable_hash

* rubocop

* fix naming of Helper

* allow testing action cable

* change adding live results to the new assumption that empty results exist

* new result test

* updated results test

* rubocop

* add back deleted and created

* add hash to diff

* move reloading to methods

* fix tests after introducing hash

* go back to sha-1

* make changes in the right live controller...

* standardize naming of live_state

* rubocop

* use LIVE_STATE_SERIALIZE_OPTIONS

* add simple applyDiff function

* one pass applyDiff

* rename to DiffHelper

* Update lib/live/diff_helper.rb

Co-authored-by: Gregor Billing <gregor.billing.dev@gmail.com>

* revoew changes

* rename hash to state_hash

* review changes

* changes after merge

* distinguish between round not open, user was quit and user is not part of this round

* fix test and make attempts_changed? easier

* review changes and add another test

* review changes

* rubocop

* fix after rename

* use filter + map solution

* another rename

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Co-authored-by: Gregor Billing <gregor.billing.dev@gmail.com>

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