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Preload only uncached messages and reduce rendering overhead (#292)

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* Preload only uncached messages and reduce rendering overhead

* Keep benchmark summaries without raw JSON results

* Use Ruby benchmark drivers and keep generated results out of the repo
This commit is contained in:
David Heinemeier Hansson
2026-10-04 12:36:36 -04:00
committed by GitHub
parent 90b330024d
commit 659f95748a
17 changed files with 572 additions and 24 deletions
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app/controllers/users/sidebars_controller.rb
+2 -7
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@@ -2,18 +2,13 @@ class Users::SidebarsController < ApplicationController
DIRECT_PLACEHOLDERS = 20
def show
all_memberships = Current.user.memberships.visible.with_ordered_room
@direct_memberships = extract_direct_memberships(all_memberships)
@other_memberships = all_memberships.without(@direct_memberships)
@direct_memberships, @other_memberships = Current.user.memberships.visible.with_ordered_room.partition { |membership| membership.room.direct? }
@direct_memberships = @direct_memberships.sort_by { |membership| membership.room.updated_at }.reverse
@direct_placeholder_users = find_direct_placeholder_users
end
private
def extract_direct_memberships(all_memberships)
all_memberships.select { |m| m.room.direct? }.sort_by { |m| m.room.updated_at }.reverse
end
def find_direct_placeholder_users
exclude_user_ids = user_ids_already_in_direct_rooms_with_current_user.including(Current.user.id)
User.active.where.not(id: exclude_user_ids).order(:created_at).limit([ DIRECT_PLACEHOLDERS - exclude_user_ids.count, 0 ].max)