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package xyz.driver.pdsuicommon.http
import akka.http.scaladsl.server._
import akka.http.scaladsl.server.Directives._
import akka.http.scaladsl.model._
import xyz.driver.core.rest.ContextHeaders
import xyz.driver.entities.users.AuthUserInfo
import xyz.driver.pdsuicommon.auth._
import xyz.driver.pdsuicommon.error._
import xyz.driver.pdsuicommon.error.DomainError._
import xyz.driver.pdsuicommon.error.ErrorsResponse.ResponseError
import xyz.driver.pdsuicommon.parsers._
import xyz.driver.pdsuicommon.db.{Pagination, Sorting, SearchFilterExpr}
import xyz.driver.pdsuicommon.domain._
import xyz.driver.pdsuicommon.serialization.PlayJsonSupport._
import xyz.driver.core.rest.AuthProvider
import scala.util._
trait Directives {
val paginated: Directive1[Pagination] = parameters(('pageSize.as[Int], 'pageNumber.as[Int])).tmap {
case (size, number) => Pagination(size, number)
}
def sorted(validDimensions: Set[String] = Set.empty): Directive1[Sorting] = parameterSeq.flatMap { params =>
SortingParser.parse(validDimensions, params) match {
case Success(sorting) => provide(sorting)
case Failure(ex) => failWith(ex)
}
}
val dimensioned: Directive1[Dimensions] = parameterSeq.flatMap { params =>
DimensionsParser.tryParse(params) match {
case Success(dims) => provide(dims)
case Failure(ex) => failWith(ex)
}
}
val searchFiltered: Directive1[SearchFilterExpr] = parameterSeq.flatMap { params =>
SearchFilterParser.parse(params) match {
case Success(sorting) => provide(sorting)
case Failure(ex) => failWith(ex)
}
}
def StringIdInPath[T]: PathMatcher1[StringId[T]] =
PathMatchers.Segment.map((id) => StringId(id.toString.toLowerCase))
def LongIdInPath[T]: PathMatcher1[LongId[T]] =
PathMatchers.LongNumber.map((id) => LongId(id))
def UuidIdInPath[T]: PathMatcher1[UuidId[T]] =
PathMatchers.JavaUUID.map((id) => UuidId(id))
def failFast[A](reply: A): A = reply match {
case err: NotFoundError => throw new NotFoundException(err.getMessage)
case err: AuthenticationError => throw new AuthenticationException(err.getMessage)
case err: AuthorizationError => throw new AuthorizationException(err.getMessage)
case err: DomainError => throw new DomainException(err.getMessage)
case other => other
}
def domainExceptionHandler(req: RequestId) = {
def errorResponse(err: DomainError) =
ErrorsResponse(Seq(ResponseError(None, err.getMessage, ErrorCode.Unspecified)), req)
ExceptionHandler {
case err: AuthenticationError => complete(StatusCodes.Unauthorized -> errorResponse(err))
case err: AuthorizationError => complete(StatusCodes.Forbidden -> errorResponse(err))
case err: NotFoundError => complete(StatusCodes.NotFound -> errorResponse(err))
case err: DomainError => complete(StatusCodes.BadRequest -> errorResponse(err))
}
}
val tracked: Directive1[RequestId] = optionalHeaderValueByName(ContextHeaders.TrackingIdHeader) flatMap {
case Some(id) => provide(RequestId(id))
case None => provide(RequestId())
}
val handleDomainExceptions: Directive0 = tracked.flatMap {
case id =>
handleExceptions(domainExceptionHandler(id))
}
implicit class AuthProviderWrapper(provider: AuthProvider[AuthUserInfo]) {
val authenticate: Directive1[AuthenticatedRequestContext] = (provider.authorize() & tracked) tflatMap {
case (core, requestId) =>
provide(
new AuthenticatedRequestContext(
core.authenticatedUser,
requestId,
core.contextHeaders(ContextHeaders.AuthenticationTokenHeader)
))
}
}
}
object Directives extends Directives
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