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package xyz.driver.pdsuidomain.formats.json
import java.time.LocalDateTime
import xyz.driver.pdsuicommon.db.Pagination
import xyz.driver.pdsuicommon.json.Serialization.seqJsonFormat
import play.api.libs.functional.syntax._
import play.api.libs.json._
final case class ListResponse[+T](items: Seq[T], meta: ListResponse.Meta)
object ListResponse {
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)
}
}
private val listResponseMetaJsonReads: Reads[Meta] = {
((JsPath \ "itemsCount").read[Int] and
(JsPath \ "pageNumber").read[Int] and
(JsPath \ "pageSize").read[Int] and
(JsPath \ "lastUpdate").readNullable[LocalDateTime]).apply {
(itemsCount: Int, pageNumber: Int, pageSize: Int, lastUpdate: Option[LocalDateTime]) =>
Meta(itemsCount, pageNumber, pageSize, lastUpdate)
}
}
implicit val listResponseMetaJsonWrites: Writes[Meta] = (
(JsPath \ "itemsCount").write[Int] and
(JsPath \ "pageNumber").write[Int] and
(JsPath \ "pageSize").write[Int] and
(JsPath \ "lastUpdate").write[Option[LocalDateTime]]
)(unlift(Meta.unapply))
implicit val listResponseMetaJsonFormat: Format[Meta] = Format(
listResponseMetaJsonReads,
listResponseMetaJsonWrites
)
implicit def listResponseJsonWrites[T](implicit f: Writes[T]): Writes[ListResponse[T]] =
(
(JsPath \ "items").write[Seq[T]] and
(JsPath \ "meta").write[Meta]
)(unlift(ListResponse.unapply[T]))
implicit def listResponseJsonFormat[T](implicit f: Format[T]): Format[ListResponse[T]] =
(
(JsPath \ "items").format(seqJsonFormat[T]) and
(JsPath \ "meta").format[Meta]
)(ListResponse.apply[T], unlift(ListResponse.unapply[T]))
}
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