Module: Restful::Rails::ActiveRecord::Configuration::CommonInstanceMethods

Defined in:
lib/restful/rails/active_record/configuration.rb

Instance Method Summary collapse

Instance Method Details

#to_restful(config = nil) ⇒ Object

converts this AR object to an apimodel object. per default, only the

attributes in self.class.restful_config are shown. this can be overriden
by passing in something like @pet.to_restful(:name, :species).



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# File 'lib/restful/rails/active_record/configuration.rb', line 38

def to_restful(config = nil)
  add_to_whitelist = []

  if config && config.is_a?(Hash) && config.keys.size == 1 && includes = config[:include] 
    add_to_whitelist = [*includes].map { |el| el.is_a?(String) ? el.to_sym : el  }
    config = nil
  end
  
  config ||= self.class.restful_config.clone if self.class.respond_to?(:restful_config)
  config ||= []
  
  if config && !config.is_a?(Config)
   config = Config.new(config)
  end
  
  if self.class.respond_to?(:restful_config)
    config.whitelisted = Array.new(self.class.restful_config.whitelisted) if config.whitelisted.empty?
    config.restful_options.merge! self.class.restful_config.restful_options
  end
  
  config.whitelisted += add_to_whitelist
  config.whitelisted = config.whitelisted.uniq
  
  # array
  if self.is_a?(Array)
    elements = self.map do |el|
      raise TypeError.new("Not all array elements respond to #to_restful. ") unless el.respond_to?(:to_restful)
      Restful::Converters::ActiveRecord.convert(el, el.class.restful_config)
    end
    
    element_name = elements.first ? elements.first.name.pluralize : "nil-classes"
    
    returning Restful.collection(element_name, elements, :array) do |collection|
      collection.total_entries = self.total_entries if self.respond_to?(:total_entries)
    end
              
  elsif self.is_a?(Hash)
    elements = self.map do |k,v|
      if v.respond_to?(:to_restful) and v.class.respond_to?(:restful_config)
        value = Restful::Converters::ActiveRecord.convert(v, v.class.restful_config)
      else
        value =  v.respond_to?(:to_restful) ? v.to_restful : v
      end
      Restful::ApiModel::Attribute.new(k, value, :map)
    end
    
    map = Restful::ApiModel::Map.new("hash")
    map.values =  elements
    map
  else
    Restful::Converters::ActiveRecord.convert(self, config)
  end
end