spray-routing.scala

 pathPrefix("v1" / "users") {
      path("") {
        post {
          entity(as[CreateUserRequest]) { createUserRequest =>
            log.info("Creating user for " + createUserRequest)
            complete {
              val res = userDao createUser createUserRequest
              MailNotifier(res)
              res
            }
          }
        } ~
        get{
          parameters(
              'text.as[String],
              'offset.as[Int],
              'limit.as[Int],
              'creatdAtInterval.as[DateTimeInterval] ?,
              'modifiedAtInterval.as[DateTimeInterval] ?
            ).as(UserSearchRequest) { userSearchRequest =>
            log.info("Search users by " + userSearchRequest)
            complete {
              userDao findUser userSearchRequest
            }
          }
        } ~
        put {
          entity(as[LoginRequest]) { loginRequest =>
            complete {
              userDao getUser(loginRequest.login, loginRequest.password) match {
                case Some(user) => user
                case None => EmptyEntity
              }
            }
          }
        }
      } ~
      path(Segment) { id =>
        val userId = UserId(id)
        get {
          complete {
            log.info("Getting user " + userId)
            userDao getUser userId match {
              case Some(user) => user
              case None => EmptyEntity
            }
          }
        } ~
        put{
          entity(as[UpdateUserRequest])  { updateUserRequest =>
            complete {
              log.info("Updating user " + userId + " with " + updateUserRequest)

              var avatar: Option[Avatar] = None
              if (!updateUserRequest.avatar.isEmpty)
                avatar = Option(Avatar(updateUserRequest.avatar get,updateUserRequest.avatar get, updateUserRequest.avatar get, updateUserRequest.avatar get))
              log.info(avatar.toString)
              userDao updateUser(userId, updateUserRequest, avatar) match {
                case Some(user) => user
                case None => EmptyEntity
              }
            }
          }
        } ~
        delete {
          complete {
            log.info("Deleting user " + userId)
            userDao deleteUser userId
            EmptyEntity
          }
        }
      }
    }
  }