Processing new bid MQTT messages

app/dao/AuctionsDAO.scala

@@ -52,6 +52,19 @@ class AuctionsDAO @Inject()(protected val dbConfigProvider: DatabaseConfigProvid
       .map(_ == 1)
   }
 
+  def find_by_gid(gid: String): Future[Option[Auction]] = {
+    db.run(Auctions.filter(_.gid === gid).take(1).result.headOption)
+  }
+
+  def newBid(auction: Auction, bidder: User, bid: BigDecimal, timestamp: Instant): Future[Option[Auction]] = {
+    db.run {
+      Auctions.filter(_.id === auction.id.get).map{ it => (it.currentBid, it.currentBidAt, it.currentBidderId) }
+        .update((Some(bid), Some(timestamp), Some(bidder.id.get)))
+        .andThen { Auctions.filter(_.id === auction.id.get).result.headOption }
+        .transactionally
+    }
+  }
+
   private def availableScope(user: User) = {
     Auctions.filter(row => (row.status === AuctionStatus.Ready) && (row.authorId =!= user.id.get))
   }