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2524cf404c
- as_json in ActiveModel should return a hash and handle :only/:except/:methods options - Array and Hash should call as_json on their elements - json methods should not modify options argument [#5374 state:committed] Signed-off-by: Jeremy Kemper <jeremy@bitsweat.net>
60 lines
2 KiB
Ruby
60 lines
2 KiB
Ruby
module ActiveRecord #:nodoc:
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# = Active Record Serialization
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module Serialization
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extend ActiveSupport::Concern
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include ActiveModel::Serializers::JSON
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def serializable_hash(options = nil)
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options = options.try(:clone) || {}
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options[:except] = Array.wrap(options[:except]).map { |n| n.to_s }
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options[:except] |= Array.wrap(self.class.inheritance_column)
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hash = super(options)
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serializable_add_includes(options) do |association, records, opts|
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hash[association] = records.is_a?(Enumerable) ?
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records.map { |r| r.serializable_hash(opts) } :
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records.serializable_hash(opts)
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end
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hash
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end
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private
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# Add associations specified via the <tt>:includes</tt> option.
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#
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# Expects a block that takes as arguments:
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# +association+ - name of the association
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# +records+ - the association record(s) to be serialized
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# +opts+ - options for the association records
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def serializable_add_includes(options = {})
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return unless include_associations = options.delete(:include)
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base_only_or_except = { :except => options[:except],
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:only => options[:only] }
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include_has_options = include_associations.is_a?(Hash)
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associations = include_has_options ? include_associations.keys : Array.wrap(include_associations)
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for association in associations
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records = case self.class.reflect_on_association(association).macro
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when :has_many, :has_and_belongs_to_many
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send(association).to_a
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when :has_one, :belongs_to
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send(association)
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end
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unless records.nil?
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association_options = include_has_options ? include_associations[association] : base_only_or_except
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opts = options.merge(association_options)
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yield(association, records, opts)
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end
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end
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options[:include] = include_associations
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end
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end
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end
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require 'active_record/serializers/xml_serializer'
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