Module: DataMapper::Adapters::YamlAdapterAdjust

Defined in:
lib/dm-adjust/adapters/yaml_adapter.rb

Instance Method Summary collapse

Instance Method Details

#adjust(attributes, collection) ⇒ Object 



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# File 'lib/dm-adjust/adapters/yaml_adapter.rb', line 4

def adjust(attributes, collection)
  attributes = attributes_as_fields(attributes)

  update_records(collection.model) do |records|
    records_to_update = collection.query.filter_records(records.dup)
    records_to_update.each do |record|
      record.update(attributes) do |key, oldvalue, newvalue|
        (oldvalue || 0) + newvalue
      end
    end.size
  end
end