Module: MongoMapper::Plugins::Serialization::InstanceMethods

Defined in:
lib/mongo_mapper/plugins/serialization.rb

Instance Method Summary collapse

Instance Method Details

#serializable_attributes ⇒ Object 



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# File 'lib/mongo_mapper/plugins/serialization.rb', line 17

def serializable_attributes
  attributes.keys.map { |k| k.to_s } + ['id'] - ['_id']
end

#serializable_hash(options = nil) ⇒ Object 



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# File 'lib/mongo_mapper/plugins/serialization.rb', line 21

def serializable_hash(options = nil)
  options ||= {}

  options[:only]   = Array.wrap(options[:only]).map { |k| k.to_s }
  options[:except] = Array.wrap(options[:except]).map { |k| k.to_s }

  attribute_names = serializable_attributes

  if options[:only].any?
    attribute_names &= options[:only]
  elsif options[:except].any?
    attribute_names -= options[:except]
  end

  attribute_names += Array.wrap(options[:methods]).map { |m| m.to_s }.select do |method|
    respond_to?(method)
  end

  hash = attribute_names.sort.inject({}) do |hash, name|
    value = send(name)
    hash[name] = if value.is_a?(Array)
      value.map {|v| v.respond_to?(:serializable_hash) ? v.serializable_hash : v }
    elsif value.respond_to?(:serializable_hash)
      value.serializable_hash
    else
      value
    end
    hash
  end

  serializable_add_includes(options) do |association, records, opts|
    hash[association.to_s] = records.is_a?(Array) ?
      records.map { |r| r.serializable_hash(opts) } :
      records.serializable_hash(opts)
  end

  hash
end