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serialization.rb
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serialization.rb
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module ActionController
# Action Controller Serialization
#
# Overrides render :json to check if the given object implements +active_model_serializer+
# as a method. If so, use the returned serializer instead of calling +to_json+ on the object.
#
# This module also provides a serialization_scope method that allows you to configure the
# +serialization_scope+ of the serializer. Most apps will likely set the +serialization_scope+
# to the current user:
#
# class ApplicationController < ActionController::Base
# serialization_scope :current_user
# end
#
# If you need more complex scope rules, you can simply override the serialization_scope:
#
# class ApplicationController < ActionController::Base
# private
#
# def serialization_scope
# current_user
# end
# end
#
module Serialization
extend ActiveSupport::Concern
include ActionController::Renderers
included do
class_attribute :_serialization_scope
self._serialization_scope = :current_user
end
def serialization_scope
send(_serialization_scope) if _serialization_scope &&
respond_to?(_serialization_scope, true)
end
def default_serializer_options
end
[:_render_option_json, :_render_with_renderer_json].each do |renderer_method|
define_method renderer_method do |resource, options|
json = ActiveModel::Serializer.build_json(self, resource, options)
if json
super(json, options)
else
super(resource, options)
end
end
end
module ClassMethods
def serialization_scope(scope)
self._serialization_scope = scope
end
end
end
end