PERF: optimise serialization for topic tracking state (#20860)

This corrects two issues:

1. We were double serializing topic tracking state (as_json calls were not cached)
2. We were inefficiently serializing items by instantiating extra objects
This commit is contained in:
Sam
2023-03-28 18:09:22 +11:00
committed by GitHub
parent d8ad5c38b9
commit 49f0cc16ba
3 changed files with 13 additions and 3 deletions

View File

@ -653,8 +653,10 @@ class ApplicationController < ActionController::Base
report = TopicTrackingState.report(current_user)
serializer = TopicTrackingStateSerializer.new(report, scope: guardian, root: false)
store_preloaded("topicTrackingStates", MultiJson.dump(serializer.as_json[:data]))
store_preloaded("topicTrackingStateMeta", MultiJson.dump(serializer.as_json[:meta]))
hash = serializer.as_json
store_preloaded("topicTrackingStates", MultiJson.dump(hash[:data]))
store_preloaded("topicTrackingStateMeta", MultiJson.dump(hash[:meta]))
end
def custom_html_json