Class: GraphQL::Schema::Field::ConnectionExtension
- Inherits:
-
GraphQL::Schema::FieldExtension
- Object
- GraphQL::Schema::FieldExtension
- GraphQL::Schema::Field::ConnectionExtension
- Defined in:
- lib/graphql/schema/field/connection_extension.rb
Instance Attribute Summary
Attributes inherited from GraphQL::Schema::FieldExtension
#added_default_arguments, #added_extras, #field, #options
Instance Method Summary collapse
- #after_resolve(value:, object:, arguments:, context:, memo:) ⇒ Object
- #apply ⇒ Object
-
#resolve(object:, arguments:, context:) {|object, next_args, arguments| ... } ⇒ Object
Remove pagination args before passing it to a user method.
Methods inherited from GraphQL::Schema::FieldExtension
#after_define, #after_define_apply, default_argument, default_argument_configurations, extras, #initialize
Constructor Details
This class inherits a constructor from GraphQL::Schema::FieldExtension
Instance Method Details
#after_resolve(value:, object:, arguments:, context:, memo:) ⇒ Object
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 61 62 |
# File 'lib/graphql/schema/field/connection_extension.rb', line 24 def after_resolve(value:, object:, arguments:, context:, memo:) original_arguments = memo # rename some inputs to avoid conflicts inside the block maybe_lazy = value value = nil context.query.after_lazy(maybe_lazy) do |resolved_value| value = resolved_value if value.is_a? GraphQL::ExecutionError # This isn't even going to work because context doesn't have ast_node anymore context.add_error(value) nil elsif value.nil? nil elsif value.is_a?(GraphQL::Pagination::Connection) # update the connection with some things that may not have been provided value.context ||= context value.parent ||= object.object value.first_value ||= original_arguments[:first] value.after_value ||= original_arguments[:after] value.last_value ||= original_arguments[:last] value.before_value ||= original_arguments[:before] value.arguments ||= original_arguments # rubocop:disable Development/ContextIsPassedCop -- unrelated .arguments method value.field ||= field if field.has_max_page_size? && !value.has_max_page_size_override? value.max_page_size = field.max_page_size end if field.has_default_page_size? && !value.has_default_page_size_override? value.default_page_size = field.default_page_size end if (custom_t = context.schema.connections.edge_class_for_field(@field)) value.edge_class = custom_t end value else context.namespace(:connections)[:all_wrappers] ||= context.schema.connections.all_wrappers context.schema.connections.wrap(field, object.object, value, original_arguments, context) end end end |
#apply ⇒ Object
7 8 9 10 11 12 |
# File 'lib/graphql/schema/field/connection_extension.rb', line 7 def apply field.argument :after, "String", "Returns the elements in the list that come after the specified cursor.", required: false field.argument :before, "String", "Returns the elements in the list that come before the specified cursor.", required: false field.argument :first, "Int", "Returns the first _n_ elements from the list.", required: false field.argument :last, "Int", "Returns the last _n_ elements from the list.", required: false end |
#resolve(object:, arguments:, context:) {|object, next_args, arguments| ... } ⇒ Object
Remove pagination args before passing it to a user method
15 16 17 18 19 20 21 22 |
# File 'lib/graphql/schema/field/connection_extension.rb', line 15 def resolve(object:, arguments:, context:) next_args = arguments.dup next_args.delete(:first) next_args.delete(:last) next_args.delete(:before) next_args.delete(:after) yield(object, next_args, arguments) end |