# HG changeset patch # User Tomas Zeman # Date 1333446422 -7200 # Node ID 3b6f22661a5a3851f22b37f98f28b7928458c903 # Parent dbe9e8adddec1603958f1daedc981eaec5618e45 Created/updated fields/traits diff -r dbe9e8adddec -r 3b6f22661a5a src/main/scala/net/tz/lift/model/CreatedUpdated.scala --- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/src/main/scala/net/tz/lift/model/CreatedUpdated.scala Tue Apr 03 11:47:02 2012 +0200 @@ -0,0 +1,68 @@ +/* + * Copyright 2012 Tomas Zeman + * + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + */ +package net.tz.lift.model + +import net.liftweb.record.{LifecycleCallbacks, Record} +import net.liftweb.record.field.DateTimeField +import net.liftweb.util.Helpers +import java.util.Calendar + +/** + * Created field. + */ +class CreatedField[OwnerType <: Record[OwnerType]](rec: OwnerType) + extends JodaDateTimeField[OwnerType](rec) { + + override def defaultValue = Calendar.getInstance() + override def displayName = l10n(name) + +} + +/** + * Updated field. + */ +class UpdatedField[OwnerType <: Record[OwnerType]](rec: OwnerType) + extends JodaDateTimeField[OwnerType](rec) with LifecycleCallbacks { + + override def defaultValue = Calendar.getInstance() + override def beforeSave { + set(Calendar.getInstance) + } + override def displayName = l10n(name) +} + +/** + * Created trait. + */ +trait CreatedTrait[T <: Record[T]] { self: T => + val createdAt = new CreatedField(this.asInstanceOf[T]) +} + +/** + * Updated trait. + */ +trait UpdatedTrait[T <: Record[T]] { self: T => + val updatedAt = new UpdatedField(this.asInstanceOf[T]) +} + +/** + * Created/updated trait. + */ +trait CreatedUpdated[T <: Record[T]] extends CreatedTrait[T] with + UpdatedTrait[T] { self: T => +} + +// vim: set ts=2 sw=2 et: