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| package com.apptentive.profile.routes | |
| import java.util.UUID | |
| import java.util.UUID.fromString | |
| import akka.http.scaladsl.server.Directive1 | |
| import akka.http.scaladsl.server.Directives._ | |
| import com.apptentive.profile.routes.Paging._ | |
| import scala.util._ | |
| object Paging { | |
| val DefaultPageSize: Int = 100 | |
| val ValidPageSizes: Range = 1 to 4000 | |
| } | |
| case class Paging(startsAfter: Option[UUID] = None, size: Int = DefaultPageSize) | |
| trait Pagination { | |
| def extractPaging: Directive1[Paging] = { | |
| parameterMap.flatMap { params => | |
| val size = Try(params.get("page_size").map(_.toInt).get) | |
| val startsAfter = Try(params.get("starts_after").map(fromString)) | |
| (size, startsAfter) match { | |
| case (Failure(_), _) | (_, Failure(_)) | (Success(s), _) if !ValidPageSizes.contains(s) => | |
| reject | |
| case (_, _) => | |
| provide(Paging(startsAfter.getOrElse(None), size.getOrElse(DefaultPageSize))) | |
| } | |
| } | |
| } | |
| } |
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