1 /*

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

     3  *

     4  * Licensed under the Apache License, Version 2.0 (the "License");

     5  * you may not use this file except in compliance with the License.

     6  * You may obtain a copy of the License at

     7  *

     8  *     http://www.apache.org/licenses/LICENSE-2.0

     9  *

    10  * Unless required by applicable law or agreed to in writing, software

    11  * distributed under the License is distributed on an "AS IS" BASIS,

    12  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.

    13  * See the License for the specific language governing permissions and

    14  * limitations under the License.

    15  */

    16 package net.tz.lift.model

    17 

    18 import net.liftweb.record.{LifecycleCallbacks, Record}

    19 import net.liftweb.record.field.DateTimeField

    20 import net.liftweb.util.Helpers

    21 import java.util.Calendar

    22 

    23 /**

    24  * Created field.

    25  */

    26 class CreatedField[OwnerType <: Record[OwnerType]](rec: OwnerType)

    27   extends JodaDateTimeField[OwnerType](rec) {

    28 

    29   override def defaultValue = Calendar.getInstance()

    30   override def displayName = l10n(name)

    31 

    32 }

    33 

    34 /**

    35  * Updated field.

    36  */

    37 class UpdatedField[OwnerType <: Record[OwnerType]](rec: OwnerType)

    38   extends JodaDateTimeField[OwnerType](rec) with LifecycleCallbacks {

    39 

    40   override def defaultValue = Calendar.getInstance()

    41   override def beforeSave {

    42     set(Calendar.getInstance)

    43   }

    44   override def displayName = l10n(name)

    45 }

    46 

    47 /**

    48  * Created trait.

    49  */

    50 trait CreatedTrait[T <: Record[T]] { self: T =>

    51   val createdAt = new CreatedField(this.asInstanceOf[T])

    52 }

    53 

    54 /**

    55  * Updated trait.

    56  */

    57 trait UpdatedTrait[T <: Record[T]] { self: T =>

    58   val updatedAt = new UpdatedField(this.asInstanceOf[T])

    59 }

    60 

    61 /**

    62  * Created/updated trait.

    63  */

    64 trait CreatedUpdated[T <: Record[T]] extends CreatedTrait[T] with

    65   UpdatedTrait[T] { self: T =>

    66 }

    67 

    68 // vim: set ts=2 sw=2 et: