Files
api/app/controllers/AuctionsController.scala
T
2026-09-18 19:38:38 +03:00

74 lines
2.7 KiB
Scala

package controllers
import actors.auctions.AuctionPublisher
import controllers.authentication.AuthenticatedAction
import dao.{AuctionsDAO, AuthTokensDAO}
import org.apache.pekko.actor.typed.ActorRef
import play.api.libs.json.*
import play.api.mvc.{BaseController, ControllerComponents}
import javax.inject.{Inject, Singleton}
import scala.concurrent.{ExecutionContext, Future}
import models.Auction
import caching.{CheckFresh, DigestEtagable, Etagable}
import java.io.DataOutputStream
@Singleton
class AuctionsController @Inject()(val controllerComponents: ControllerComponents,
val auctionsDAO: AuctionsDAO,
val authTokensDAO: AuthTokensDAO,
authenticatedAction: AuthenticatedAction,
val auctionPublisher: ActorRef[AuctionPublisher.Command])
(implicit val ec: ExecutionContext)
extends BaseController with CheckFresh {
def index = authenticatedAction.async { request =>
for {
auctions <- auctionsDAO.list_available(request.user)
json = Json.toJson(auctions)
} yield Ok(json)
}
def show(id: Long) = authenticatedAction.async { implicit request =>
auctionsDAO.showAvailable(request.user, id).map { auctionOpt =>
auctionOpt.fold(NotFound) { auction =>
checkFresh(auction) {
Ok(Json.toJson(auction)).withHeaders("etag" -> auction.etag)
}
}
}
}
def create = authenticatedAction.async(parse.json) { implicit request =>
val auctionCreateDataResult = request.body.validate[AuctionCreateData]
auctionCreateDataResult.fold(
errors => Future.successful(BadRequest(JsError.toJson(errors))),
auctionCreateData => {
for {
auction <- auctionsDAO.create(auctionCreateData.name, auctionCreateData.startingPrice, request.user)
json = Json.toJson(auction)
_ = auctionPublisher ! AuctionPublisher.Publish(auction, request.user)
} yield Created(json)
}
)
}
private case class AuctionCreateData(name: String, startingPrice: BigDecimal)
private given Reads[AuctionCreateData] = Json.reads[AuctionCreateData]
private given DigestEtagable[Auction] with {
override protected def writeDigestData(a: Auction, s: DataOutputStream): Unit = {
s.writeLong(a.id.getOrElse(0))
s.writeLong(a.authorId)
s.writeUTF(a.gid)
s.writeUTF(a.name)
s.writeLong(a.createdAt.getEpochSecond)
s.writeLong(a.currentBidderId.getOrElse(0))
a.currentBid.foreach(b => s.writeLong((b * 1000).toLong))
a.currentBidAt.foreach(ba => s.writeLong(ba.getEpochSecond))
}
}
}