Make account search blazing fast and rank followers/followees higher in the results

app/services/search_service.rb

@@ -1,7 +1,7 @@
 # frozen_string_literal: true
 
 class SearchService < BaseService
-  def call(query, limit, resolve = false)
+  def call(query, limit, resolve = false, account = nil)
     return if query.blank? || query.start_with?('#')
 
     username, domain = query.gsub(/\A@/, '').split('@')
@@ -9,13 +9,12 @@ class SearchService < BaseService
 
     if domain.nil?
       exact_match = Account.find_local(username)
-      results     = Account.search_for(username)
+      results     = account.nil? ? Account.search_for(username, limit) : Account.advanced_search_for(username, account, limit)
     else
       exact_match = Account.find_remote(username, domain)
-      results     = Account.search_for("#{username} #{domain}")
+      results     = account.nil? ? Account.search_for("#{username} #{domain}", limit) : Account.advanced_search_for("#{username} #{domain}", account, limit)
     end
 
-    results = results.limit(limit).to_a
     results = [exact_match] + results.reject { |a| a.id == exact_match.id } if exact_match
 
     if resolve && !exact_match && !domain.nil?