diff options
Diffstat (limited to 'lib/gitlab/graphql/pagination/keyset/generic_keyset_pagination.rb')
| -rw-r--r-- | lib/gitlab/graphql/pagination/keyset/generic_keyset_pagination.rb | 31 |
1 files changed, 31 insertions, 0 deletions
diff --git a/lib/gitlab/graphql/pagination/keyset/generic_keyset_pagination.rb b/lib/gitlab/graphql/pagination/keyset/generic_keyset_pagination.rb index f1b74999897..5a9d21e7469 100644 --- a/lib/gitlab/graphql/pagination/keyset/generic_keyset_pagination.rb +++ b/lib/gitlab/graphql/pagination/keyset/generic_keyset_pagination.rb @@ -4,11 +4,42 @@ module Gitlab module Graphql module Pagination module Keyset + # https://gitlab.com/gitlab-org/gitlab/-/issues/334973 # Use the generic keyset implementation if the given ActiveRecord scope supports it. # Note: this module is temporary, at some point it will be merged with Keyset::Connection module GenericKeysetPagination extend ActiveSupport::Concern + # rubocop: disable Naming/PredicateName + # rubocop: disable CodeReuse/ActiveRecord + def has_next_page + return super unless Gitlab::Pagination::Keyset::Order.keyset_aware?(items) + + strong_memoize(:generic_keyset_pagination_has_next_page) do + if before + # If `before` is specified, that points to a specific record, + # even if it's the last one. Since we're asking for `before`, + # then the specific record we're pointing to is in the + # next page + true + elsif first + case sliced_nodes + when Array + sliced_nodes.size > limit_value + else + # If we count the number of requested items plus one (`limit_value + 1`), + # then if we get `limit_value + 1` then we know there is a next page + sliced_nodes.limit(1).offset(limit_value).exists? + # replacing relation count + # relation_count(set_limit(sliced_nodes, limit_value + 1)) == limit_value + 1 + end + else + false + end + end + end + + # rubocop: enable CodeReuse/ActiveRecord def ordered_items raise ArgumentError, 'Relation must have a primary key' unless items.primary_key.present? |