Contents

module ActiveRecord
  class Base

    # basic code from Matt Pulver
    # found at http://www.xcombinator.com/2008/08/11/activerecord-from_xml-and-from_json-part-2/
    # addapted to support links
    def self.from_hash( hash )
      h = {}
      h = hash.dup if hash
      links = nil
      h.each do |key,value|
        case value.class.to_s
        when 'Array'
          if key=="link"
            links = h[key]
            h.delete("link")
          else
            h[key].map! { |e| reflect_on_association(key.to_sym ).klass.from_hash e }
          end
        when /\AHash(WithIndifferentAccess)?\Z/
          if key=="link"
            links = [h[key]]
            h.delete("link")
          else
            h[key] = reflect_on_association(key.to_sym ).klass.from_hash value
          end
        end
        h.delete("xmlns") if key=="xmlns"
      end
      result = self.new h
      if !(links.nil?) && self.include?(Restfulie::Client::Instance)
        add_transitions(result, links)
      end
      result
    end

    def self.from_json( json )
      from_hash safe_json_decode( json )
    end

    # The xml has a surrounding class tag (e.g. ship-to),
    # but the hash has no counterpart (e.g. 'ship_to' => {} )
    def self.from_xml( xml )
      hash = Hash.from_xml xml
      head = hash[self.to_s.underscore]
      result = self.from_hash head
      return nil if result.nil?
      result._came_from = :xml if self.include?(Restfulie::Client::Instance)
      result
    end
  end
end

def safe_json_decode( json )
  return {} if !json
  begin
    ActiveSupport::JSON.decode json
  rescue ; {} end
end
# end of code based on Matt Pulver's

Version data entries

1 entries across 1 versions & 1 rubygems

Version	Path
restfulie-0.3	lib/restfulie/unmarshalling.rb