From 64ef37b89de806f49cc59e011aa0ee2039c82c46 Mon Sep 17 00:00:00 2001 From: Akihiko Odaki Date: Fri, 28 Aug 2020 19:31:56 +0900 Subject: Introduce ApplicationController#cache_collection_paginated_by_id (#14677) * Replace incorrect use of distinct with group Some uses of ActiveRecord::QueryMethods#distinct pass field names but they are incorrect for the current version of Rails. ActiveRecord::QueryMethods#group provides the expected behavior and benefits performance. See commit 6da24aad4cafdef8d8a2c92bac2002a5fc2fe9c8. * Introduce ApplicationController#cache_collection_paginated_by_id ApplicationController#cache_collection_paginated_by_id fuses ApplicationController#cache_collection and Paginable.paginate_by_id. An advantage of this method is that it prevents from modifying scope which Paginable.paginate_by_id may provide. ApplicationController#cache_collection always return an array and there is no possibility of the scope modification. It is also clear for a programmer, considering the implication of "cache". This method can also emit more efficient queries by using Cacheable.cache_ids before calling Paginable.paginate_by_id. --- app/controllers/api/v1/timelines/tag_controller.rb | 17 ++++++----------- 1 file changed, 6 insertions(+), 11 deletions(-) (limited to 'app/controllers/api/v1/timelines/tag_controller.rb') diff --git a/app/controllers/api/v1/timelines/tag_controller.rb b/app/controllers/api/v1/timelines/tag_controller.rb index 62f34d3f7..76f7d3590 100644 --- a/app/controllers/api/v1/timelines/tag_controller.rb +++ b/app/controllers/api/v1/timelines/tag_controller.rb @@ -20,23 +20,18 @@ class Api::V1::Timelines::TagController < Api::BaseController end def cached_tagged_statuses - cache_collection tagged_statuses, Status - end - - def tagged_statuses if @tag.nil? [] else - statuses = tag_timeline_statuses.paginate_by_id( + statuses = tag_timeline_statuses + statuses = statuses.joins(:media_attachments) if truthy_param?(:only_media) + + cache_collection_paginated_by_id( + statuses, + Status, limit_param(DEFAULT_STATUSES_LIMIT), params_slice(:max_id, :since_id, :min_id) ) - - if truthy_param?(:only_media) - statuses.joins(:media_attachments) - else - statuses - end end end -- cgit