blob: f1b749998976dd9076b25a60ac6c6810d175189a (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
|
# frozen_string_literal: true
module Gitlab
module Graphql
module Pagination
module Keyset
# 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
def ordered_items
raise ArgumentError, 'Relation must have a primary key' unless items.primary_key.present?
return super unless Gitlab::Pagination::Keyset::Order.keyset_aware?(items)
items
end
def cursor_for(node)
return super unless Gitlab::Pagination::Keyset::Order.keyset_aware?(items)
order = Gitlab::Pagination::Keyset::Order.extract_keyset_order_object(items)
encode(order.cursor_attributes_for_node(node).to_json)
end
def slice_nodes(sliced, encoded_cursor, before_or_after)
return super unless Gitlab::Pagination::Keyset::Order.keyset_aware?(sliced)
order = Gitlab::Pagination::Keyset::Order.extract_keyset_order_object(sliced)
order = order.reversed_order if before_or_after == :before
decoded_cursor = ordering_from_encoded_json(encoded_cursor)
order.apply_cursor_conditions(sliced, decoded_cursor)
end
def sliced_nodes
return super unless Gitlab::Pagination::Keyset::Order.keyset_aware?(items)
sliced = ordered_items
sliced = slice_nodes(sliced, before, :before) if before.present?
sliced = slice_nodes(sliced, after, :after) if after.present?
sliced
end
def items
original_items = super
return original_items if Gitlab::Pagination::Keyset::Order.keyset_aware?(original_items) || Feature.disabled?(:new_graphql_keyset_pagination)
strong_memoize(:generic_keyset_pagination_items) do
rebuilt_items_with_keyset_order, success = Gitlab::Pagination::Keyset::SimpleOrderBuilder.build(original_items)
success ? rebuilt_items_with_keyset_order : original_items
end
end
end
end
end
end
end
|
