81 lines
2.2 KiB
Ruby
81 lines
2.2 KiB
Ruby
# frozen_string_literal: true
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module GraphQLExtensions
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module ScalarExtensions
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# Allow ID to unify with GlobalID Types
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def ==(other)
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if name == 'ID' && other.is_a?(self.class) &&
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other.type_class.ancestors.include?(::Types::GlobalIDType)
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return true
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end
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super
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end
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end
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end
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::GraphQL::ScalarType.prepend(GraphQLExtensions::ScalarExtensions)
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module Types
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class GlobalIDType < BaseScalar
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graphql_name 'GlobalID'
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description 'A global identifier'
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# @param value [GID]
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# @return [String]
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def self.coerce_result(value, _ctx)
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::Gitlab::GlobalId.as_global_id(value).to_s
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end
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# @param value [String]
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# @return [GID]
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def self.coerce_input(value, _ctx)
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gid = GlobalID.parse(value)
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raise GraphQL::CoercionError, "#{value.inspect} is not a valid Global ID" if gid.nil?
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raise GraphQL::CoercionError, "#{value.inspect} is not a Gitlab Global ID" unless gid.app == GlobalID.app
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gid
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end
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# Construct a restricted type, that can only be inhabited by an ID of
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# a given model class.
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def self.[](model_class)
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@id_types ||= {}
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@id_types[model_class] ||= Class.new(self) do
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graphql_name "#{model_class.name.gsub(/::/, '')}ID"
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description "Identifier of #{model_class.name}"
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self.define_singleton_method(:to_s) do
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graphql_name
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end
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self.define_singleton_method(:inspect) do
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graphql_name
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end
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self.define_singleton_method(:coerce_result) do |gid, ctx|
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global_id = ::Gitlab::GlobalId.as_global_id(gid, model_name: model_class.name)
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if suitable?(global_id)
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global_id.to_s
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else
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raise GraphQL::CoercionError, "Expected a #{model_class.name} ID, got #{global_id}"
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end
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end
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self.define_singleton_method(:suitable?) do |gid|
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gid&.model_class&.ancestors&.include?(model_class)
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end
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self.define_singleton_method(:coerce_input) do |string, ctx|
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gid = super(string, ctx)
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raise GraphQL::CoercionError, "#{string.inspect} does not represent an instance of #{model_class.name}" unless suitable?(gid)
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gid
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end
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end
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end
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end
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end
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