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
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# 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 context.schema.new_connections? && (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
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# 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
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# 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 |