skinny.orm.feature.TimestampsFeatureBase.scala Maven / Gradle / Ivy

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package skinny.orm.feature

import org.joda.time.DateTime
import scalikejdbc._
import skinny.orm.SkinnyMapperBase

trait TimestampsFeatureBase[Entity] { self: SkinnyMapperBase[Entity] =>

  /**
   * createdAt field name.
   */
  def createdAtFieldName = "createdAt"

  /**
   * updatedAt field name.
   */
  def updatedAtFieldName = "updatedAt"

  protected def timestampValues(exists: String => Boolean): Seq[(SQLSyntax, Any)] = {
    val (column, now) = (defaultAlias.support.column, DateTime.now)
    val builder = List.newBuilder[(SQLSyntax, Any)]
    if (!exists(createdAtFieldName)) builder += column.field(createdAtFieldName) -> now
    if (!exists(updatedAtFieldName)) builder += column.field(updatedAtFieldName) -> now
    builder.result()
  }

}