src/main/scala/xyz/driver/pdsuidomain/services/MessageService.scala


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package xyz.driver.pdsuidomain.services

import java.time.LocalDateTime

import xyz.driver.pdsuicommon.auth.AuthenticatedRequestContext
import xyz.driver.pdsuicommon.db.{Pagination, SearchFilterExpr, Sorting}
import xyz.driver.pdsuicommon.domain.LongId
import xyz.driver.pdsuicommon.error.DomainError
import xyz.driver.pdsuidomain.entities.Message

import scala.concurrent.Future

object MessageService {

  trait DefaultNotFoundError {
    def userMessage: String = "Message not found"
  }

  trait DefaultAccessDeniedError {
    def userMessage: String = "Access denied"
  }

  sealed trait CreateReply
  object CreateReply {
    type Error = CreateReply with DomainError
    final case class Created(x: Message) extends CreateReply
    case object AuthorizationError
        extends CreateReply with DomainError.AuthorizationError with DefaultAccessDeniedError
    final case class CommonError(userMessage: String) extends CreateReply with DomainError
  }

  sealed trait GetByIdReply
  object GetByIdReply {
    type Error = GetByIdReply with DomainError
    final case class Entity(x: Message)               extends GetByIdReply
    case object NotFoundError                         extends GetByIdReply with DomainError.NotFoundError with DefaultNotFoundError
    final case class CommonError(userMessage: String) extends GetByIdReply with DomainError
    case object AuthorizationError
        extends GetByIdReply with DomainError.AuthorizationError with DefaultAccessDeniedError
  }

  sealed trait GetListReply
  object GetListReply {
    type Error = GetListReply with DomainError
    final case class EntityList(xs: Seq[Message], totalFound: Int, lastUpdate: Option[LocalDateTime])
        extends GetListReply
    case object AuthorizationError
        extends GetListReply with DomainError.AuthorizationError with DefaultAccessDeniedError
  }

  sealed trait UpdateReply
  object UpdateReply {
    type Error = UpdateReply with DomainError
    final case class Updated(updated: Message) extends UpdateReply
    case object AuthorizationError
        extends UpdateReply with DomainError.AuthorizationError with DefaultAccessDeniedError
    final case class CommonError(userMessage: String) extends UpdateReply with DomainError
  }

  sealed trait DeleteReply
  object DeleteReply {
    type Error = DeleteReply with DomainError
    case object Deleted extends DeleteReply
    case object AuthorizationError
        extends DeleteReply with DomainError.AuthorizationError with DefaultAccessDeniedError
    case object NotFoundError                         extends DeleteReply with DomainError.NotFoundError with DefaultNotFoundError
    final case class CommonError(userMessage: String) extends DeleteReply with DomainError
  }
}

trait MessageService {

  import MessageService._

  def create(draftMessage: Message)(implicit requestContext: AuthenticatedRequestContext): Future[CreateReply]

  def getById(messageId: LongId[Message])(implicit requestContext: AuthenticatedRequestContext): Future[GetByIdReply]

  def getAll(filter: SearchFilterExpr = SearchFilterExpr.Empty,
             sorting: Option[Sorting] = None,
             pagination: Option[Pagination] = None)(
          implicit requestContext: AuthenticatedRequestContext): Future[GetListReply]

  def update(origMessage: Message, draftMessage: Message)(
          implicit requestContext: AuthenticatedRequestContext): Future[UpdateReply]

  def delete(messageId: LongId[Message])(implicit requestContext: AuthenticatedRequestContext): Future[DeleteReply]
}