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rails--rails/activemodel/lib/active_model/serialization.rb

30 lines
841 B
Ruby

require 'active_support/core_ext/hash/except'
require 'active_support/core_ext/hash/slice'
module ActiveModel
module Serialization
def serializable_hash(options = nil)
options ||= {}
options[:only] = Array.wrap(options[:only]).map { |n| n.to_s }
options[:except] = Array.wrap(options[:except]).map { |n| n.to_s }
attribute_names = attributes.keys.sort
if options[:only].any?
attribute_names &= options[:only]
elsif options[:except].any?
attribute_names -= options[:except]
end
method_names = Array.wrap(options[:methods]).inject([]) do |methods, name|
methods << name if respond_to?(name.to_s)
methods
end
(attribute_names + method_names).inject({}) { |hash, name|
hash[name] = send(name)
hash
}
end
end
end