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serializable_hash.rb
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serializable_hash.rb
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module Grape
module Formatter
module SerializableHash
class << self
def call(object, env)
return object if object.is_a?(String)
return MultiJson.dump(serialize(object)) if serializable?(object)
return object.to_json if object.respond_to?(:to_json)
MultiJson.dump(object)
end
private
def serializable?(object)
object.respond_to?(:serializable_hash) || object.kind_of?(Array) && !object.map { |o| o.respond_to? :serializable_hash }.include?(false) || object.kind_of?(Hash)
end
def serialize(object)
if object.respond_to? :serializable_hash
object.serializable_hash
elsif object.kind_of?(Array) && !object.map { |o| o.respond_to? :serializable_hash }.include?(false)
object.map { |o| o.serializable_hash }
elsif object.kind_of?(Hash)
object.inject({}) do |h, (k, v)|
h[k] = serialize(v)
h
end
else
object
end
end
end
end
end
end