From 6fde5b828ee0f131536d0df0caf68e712742de53 Mon Sep 17 00:00:00 2001 From: Vlad Uspensky Date: Thu, 3 May 2018 10:32:06 -0700 Subject: Renaming `Dal` to `Repository` (#161) * Renaming `Dal` to `Repository` --- src/main/scala/xyz/driver/core/database/Dal.scala | 73 ----------------------- 1 file changed, 73 deletions(-) delete mode 100644 src/main/scala/xyz/driver/core/database/Dal.scala (limited to 'src/main/scala/xyz/driver/core/database/Dal.scala') diff --git a/src/main/scala/xyz/driver/core/database/Dal.scala b/src/main/scala/xyz/driver/core/database/Dal.scala deleted file mode 100644 index bcde0de..0000000 --- a/src/main/scala/xyz/driver/core/database/Dal.scala +++ /dev/null @@ -1,73 +0,0 @@ -package xyz.driver.core.database - -import scalaz.std.scalaFuture._ -import scalaz.{ListT, Monad, OptionT} -import slick.lifted.{AbstractTable, CanBeQueryCondition, RunnableCompiled} -import slick.{lifted => sl} - -import scala.concurrent.{ExecutionContext, Future} - -trait Dal { - type T[D] - implicit def monadT: Monad[T] - - def execute[D](operations: T[D]): Future[D] - def noAction[V](v: V): T[V] - def customAction[R](action: => Future[R]): T[R] - - def customAction[R](action: => OptionT[Future, R]): OptionT[T, R] = - OptionT[T, R](customAction(action.run)) -} - -class FutureDal(executionContext: ExecutionContext) extends Dal { - implicit val exec = executionContext - override type T[D] = Future[D] - implicit val monadT = implicitly[Monad[Future]] - - def execute[D](operations: T[D]): Future[D] = operations - def noAction[V](v: V): T[V] = Future.successful(v) - def customAction[R](action: => Future[R]): T[R] = action -} - -class SlickDal(database: Database, executionContext: ExecutionContext) extends Dal { - import database.profile.api._ - implicit val exec = executionContext - - override type T[D] = slick.dbio.DBIO[D] - - implicit protected class QueryOps[+E, U](query: Query[E, U, Seq]) { - def resultT: ListT[T, U] = ListT[T, U](query.result.map(_.toList)) - - def maybeFilter[V, R: CanBeQueryCondition](data: Option[V])(f: V => E => R): sl.Query[E, U, Seq] = - data.map(v => query.withFilter(f(v))).getOrElse(query) - } - - implicit protected class CompiledQueryOps[U](compiledQuery: RunnableCompiled[_, Seq[U]]) { - def resultT: ListT[T, U] = ListT.listT[T](compiledQuery.result.map(_.toList)) - } - - private val dbioMonad = new Monad[T] { - override def point[A](a: => A): T[A] = DBIO.successful(a) - - override def bind[A, B](fa: T[A])(f: A => T[B]): T[B] = fa.flatMap(f) - } - - override implicit def monadT: Monad[T] = dbioMonad - - override def execute[D](readOperations: T[D]): Future[D] = { - database.database.run(readOperations.transactionally) - } - - override def noAction[V](v: V): T[V] = DBIO.successful(v) - - override def customAction[R](action: => Future[R]): T[R] = DBIO.from(action) - - def affectsRows(updatesCount: Int): Option[Unit] = { - if (updatesCount > 0) Some(()) else None - } - - def insertReturning[AT <: AbstractTable[_], V](table: TableQuery[AT])( - row: AT#TableElementType): slick.dbio.DBIO[AT#TableElementType] = { - table.returning(table) += row - } -} -- cgit v1.2.3