/*

 * Copyright 2012 Tomas Zeman <tzeman@volny.cz>

 *

 * 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: