Fix #16 - Optimize n+1 queries when checking reblogged/favourited values for status lists in API

1 files changed, 2 insertions, 0 deletions

diff --git a/app/models/account.rb b/app/models/account.rb
index c1b52ea1b..8eba4da79 100644
--- a/app/models/account.rb
+++ b/app/models/account.rb
@@ -48,6 +48,8 @@ class Account < ApplicationRecord
   scope :with_followers, -> { where('(select count(f.id) from follows as f where f.target_account_id = accounts.id) > 0') }
   scope :expiring, -> (time) { where(subscription_expires_at: nil).or(where('subscription_expires_at < ?', time)).remote.with_followers }
 
+  scope :with_counters, -> { select('accounts.*, (select count(f.id) from follows as f where f.target_account_id = accounts.id) as followers_count, (select count(f.id) from follows as f where f.account_id = accounts.id) as following_count, (select count(s.id) from statuses as s where s.account_id = accounts.id) as statuses_count') }
+
   def follow!(other_account)
     active_relationships.where(target_account: other_account).first_or_create!(target_account: other_account)
   end