Hash values not serialized #26
Description
The values of exposed hashes are not serialized. In the example below, a call to Person.serizable_hash() yields a hash with the key 'r:address' pointing to an Address entity instead of serializable_hash of the Address entity object.
require 'grape_entity' class Address < Grape::Entity expose :street expose :city end class Person < Grape::Entity expose :name expose :_embedded do |person| { 'r:address' => Address.new(person.address), } end endThe solution I have come up with (and will PR shortly) is to update Grape::Entity.serializable_hash by adding a check for for Hash similar to what is done for Array:
def serializable_hash(runtime_options = {}) return nil if object.nil? opts = options.merge(runtime_options || {}) exposures.inject({}) do |output, (attribute, exposure_options)| if (exposure_options.has_key?(:proc) || object.respond_to?(attribute)) && conditions_met?(exposure_options, opts) partial_output = value_for(attribute, opts) output[key_for(attribute)] = if partial_output.respond_to? :serializable_hash partial_output.serializable_hash(runtime_options) elsif partial_output.kind_of?(Array) && !partial_output.map {|o| o.respond_to? :serializable_hash}.include?(false) partial_output.map {|o| o.serializable_hash} elsif partial_output.kind_of?(Hash) # Serialize exposed hashes partial_output.each do |key, value| partial_output[key] = value.serializable_hash if value.respond_to? :serializable_hash end else partial_output end end output end endIf there are suggestions for alternatives or improvements, or reasons why this functionality should not be included, please present them.