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module Virtus
class Attribute
# EmbeddedValue handles virtus-like objects, OpenStruct and Struct
#
class EmbeddedValue < Attribute
TYPES = [Struct, OpenStruct, Virtus, Model::Constructor].freeze
# Builds Struct-like instance with attributes passed to the constructor as
# a list of args rather than a hash
#
# @private
class FromStruct < Virtus::Coercer
# @api public
def call(input)
if input.kind_of?(primitive)
input
elsif not input.nil?
primitive.new(*input)
end
end
end # FromStruct
# Builds OpenStruct-like instance with attributes passed to the constructor
# as a hash
#
# @private
class FromOpenStruct < Virtus::Coercer
# @api public
def call(input)
if input.kind_of?(primitive)
input
elsif not input.nil?
primitive.new(input)
end
end
end # FromOpenStruct
# @api private
def self.handles?(klass)
klass.is_a?(Class) && TYPES.any? { |type| klass <= type }
end
# @api private
def self.build_type(definition)
Axiom::Types::Object.new { primitive definition.primitive }
end
# @api private
def self.build_coercer(type, _options)
primitive = type.primitive
if primitive < Virtus || primitive < Model::Constructor || primitive <= OpenStruct
FromOpenStruct.new(type)
elsif primitive < Struct
FromStruct.new(type)
end
end
end # class EmbeddedValue
end # class Attribute
end # module Virtus
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