#
# Copyright (C) 2009  Red Hat, Inc.
#
# This library is free software; you can redistribute it and/or
# modify it under the terms of the GNU Lesser General Public
# License as published by the Free Software Foundation; either
# version 2.1 of the License, or (at your option) any later version.
#
# This library is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
# Lesser General Public License for more details.
#
# You should have received a copy of the GNU Lesser General Public
# License along with this library; if not, write to the Free Software
# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA


require 'dcloud/base_model'

module DCloud
    class StorageSnapshot < BaseModel

      xml_tag_name :storage_snapshot

      attribute :created
      attribute :state
      attribute :storage_volume

      def to_plain
        sprintf("%-10s | %-15s | %-6s | %15s",
          self.id[0,10],
          self.storage_volume.name ? self.storage_volume.name[0, 15] : 'unknown',
          self.state ? self.state[0,6] : 'unknown',
          self.created ? self.created[0,15] : 'unknown'
        )
      end

      def initialize(client, uri, xml=nil)
        super( client, uri, xml )
      end

      def load_payload(xml=nil)
        super(xml)
        unless xml.nil?
          @created = xml.text( 'created' )
          @state = xml.text( 'state' )
          storage_volumes = xml.get_elements( 'storage-volume' )
          if ( ! storage_volumes.empty? )
            storage_volume = storage_volumes.first
            storage_volume_href = storage_volume.attributes['href']
            if ( storage_volume_href )
              @storage_volume = StorageVolume.new( @client, storage_volume_href )
            end
          end
        end
      end
    end
end