Fix: アカウント一覧、カスタム絵文字一覧画面を高速化 (#585)

* Change: アカウント一覧、カスタム絵文字一覧でCOUNTを発行しないように

* Add index

* Fix test

app/controllers/admin/accounts_controller.rb

@@ -9,7 +9,7 @@ module Admin
     def index
       authorize :account, :index?
 
-      @accounts = filtered_accounts.page(params[:page])
+      @accounts = filtered_accounts.page(params[:page]).without_count
       @form     = Form::AccountBatch.new
     end
 

app/controllers/admin/custom_emojis_controller.rb

@@ -7,7 +7,7 @@ module Admin
     def index
       authorize :custom_emoji, :index?
 
-      @custom_emojis = filtered_custom_emojis.eager_load(:local_counterpart).page(params[:page])
+      @custom_emojis = filtered_custom_emojis.eager_load(:local_counterpart).page(params[:page]).without_count
       @form          = Form::CustomEmojiBatch.new
     end
 

app/views/admin/accounts/index.html.haml

@@ -58,13 +58,13 @@
           = f.button safe_join([fa_icon('times'), t('admin.accounts.reject')]), name: :reject_remote, class: 'table-action-link', type: :submit, data: { confirm: t('admin.reports.are_you_sure') }
 
         = f.button safe_join([fa_icon('lock'), t('admin.accounts.perform_full_suspension')]), name: :suspend, class: 'table-action-link', type: :submit, data: { confirm: t('admin.reports.are_you_sure') }
-    - if @accounts.total_count > @accounts.size
+    - if @accounts.size >= 40
       .batch-table__select-all
         .not-selected.active
           %span= t('generic.all_items_on_page_selected_html', count: @accounts.size)
-          %button{ type: 'button' }= t('generic.select_all_matching_items', count: @accounts.total_count)
+          %button{ type: 'button' }= t('generic.select_all_matching_items', count: '>40')
         .selected
-          %span= t('generic.all_matching_items_selected_html', count: @accounts.total_count)
+          %span= t('generic.all_matching_items_selected_html', count: '>40')
           %button{ type: 'button' }= t('generic.deselect')
     .batch-table__body
       - if @accounts.empty?
@@ -72,4 +72,6 @@
       - else
         = render partial: 'account', collection: @accounts, locals: { f: f }
 
-= paginate @accounts
+%nav.pagination
+  = link_to_previous_page @accounts, safe_join([fa_icon('chevron-left'), t('pagination.prev')], ' '), rel: 'prev'
+  = link_to_next_page @accounts, safe_join([t('pagination.next'), fa_icon('chevron-right')], ' '), rel: 'next'

app/views/admin/custom_emojis/index.html.haml

@@ -81,4 +81,6 @@
       - else
         = render partial: 'custom_emoji', collection: @custom_emojis, locals: { f: f }
 
-= paginate @custom_emojis
+%nav.pagination
+  = link_to_previous_page @custom_emojis, safe_join([fa_icon('chevron-left'), t('pagination.prev')], ' '), rel: 'prev'
+  = link_to_next_page @custom_emojis, safe_join([t('pagination.next'), fa_icon('chevron-right')], ' '), rel: 'next'

db/post_migrate/20240217215134_improve_remote_pending_accounts_index.rb

@@ -0,0 +1,11 @@
+# frozen_string_literal: true
+
+class ImproveRemotePendingAccountsIndex < ActiveRecord::Migration[7.1]
+  disable_ddl_transaction!
+
+  def change
+    remove_index :accounts, :remote_pending, unique: false, algorithm: :concurrently
+
+    add_index :accounts, :id, name: 'index_remote_pending_users', unique: false, algorithm: :concurrently, where: 'domain IS NOT NULL AND remote_pending AND suspended_at IS NOT NULL'
+  end
+end

db/schema.rb

@@ -10,7 +10,7 @@
 #
 # It's strongly recommended that you check this file into your version control system.
 
-ActiveRecord::Schema[7.1].define(version: 2024_02_17_093511) do
+ActiveRecord::Schema[7.1].define(version: 2024_02_17_215134) do
   # These are extensions that must be enabled in order to support this database
   enable_extension "plpgsql"
 
@@ -198,8 +198,8 @@ ActiveRecord::Schema[7.1].define(version: 2024_02_17_093511) do
     t.index "(((setweight(to_tsvector('simple'::regconfig, (display_name)::text), 'A'::\"char\") || setweight(to_tsvector('simple'::regconfig, (username)::text), 'B'::\"char\")) || setweight(to_tsvector('simple'::regconfig, (COALESCE(domain, ''::character varying))::text), 'C'::\"char\")))", name: "search_index", using: :gin
     t.index "lower((username)::text), COALESCE(lower((domain)::text), ''::text)", name: "index_accounts_on_username_and_domain_lower", unique: true
     t.index ["domain", "id"], name: "index_accounts_on_domain_and_id"
+    t.index ["id"], name: "index_accounts_on_id", where: "((domain IS NOT NULL) AND remote_pending AND (suspended_at IS NOT NULL))"
     t.index ["moved_to_account_id"], name: "index_accounts_on_moved_to_account_id", where: "(moved_to_account_id IS NOT NULL)"
-    t.index ["remote_pending"], name: "index_accounts_on_remote_pending"
     t.index ["uri"], name: "index_accounts_on_uri"
     t.index ["url"], name: "index_accounts_on_url", opclass: :text_pattern_ops, where: "(url IS NOT NULL)"
   end