From 4c02f85886578dbb488ece70d0096e82fbdd852d Mon Sep 17 00:00:00 2001 From: Aleksandr Date: Wed, 4 Oct 2017 13:28:10 +0700 Subject: Implemented ListResponse in spray json format --- .../formats/json/sprayformats/ListResponse.scala | 39 ++++++++++++++++++++++ 1 file changed, 39 insertions(+) create mode 100644 src/main/scala/xyz/driver/pdsuidomain/formats/json/sprayformats/ListResponse.scala (limited to 'src/main/scala/xyz') diff --git a/src/main/scala/xyz/driver/pdsuidomain/formats/json/sprayformats/ListResponse.scala b/src/main/scala/xyz/driver/pdsuidomain/formats/json/sprayformats/ListResponse.scala new file mode 100644 index 0000000..e8778cf --- /dev/null +++ b/src/main/scala/xyz/driver/pdsuidomain/formats/json/sprayformats/ListResponse.scala @@ -0,0 +1,39 @@ +package xyz.driver.pdsuidomain.formats.json.sprayformats + +import java.time.LocalDateTime + +import spray.json.{JsArray, RootJsonFormat, _} +import xyz.driver.pdsuicommon.db.Pagination +import xyz.driver.pdsuidomain.formats.json.sprayformats.common._ + +final case class ListResponse[+T](items: Seq[T], meta: ListResponse.Meta) + +object ListResponse extends DefaultJsonProtocol { + private val itemsField = "items" + private val metaField = "meta" + + final case class Meta(itemsCount: Int, pageNumber: Int, pageSize: Int, lastUpdate: Option[LocalDateTime]) + + object Meta { + def apply(itemsCount: Int, pagination: Pagination, lastUpdate: Option[LocalDateTime]): Meta = { + Meta( + itemsCount, + pagination.pageNumber, + pagination.pageSize, + lastUpdate + ) + } + } + + implicit val listResponseMetaFormat: RootJsonFormat[Meta] = jsonFormat4(Meta.apply) + + implicit def listResponseMetaWriter[T: RootJsonWriter]: RootJsonWriter[ListResponse[T]] = + new RootJsonWriter[ListResponse[T]] { + override def write(listResponse: ListResponse[T]): JsValue = { + JsObject( + itemsField -> JsArray(listResponse.items.map(_.toJson).toVector), + metaField -> listResponse.meta.toJson + ) + } + } +} -- cgit v1.2.3