Details.scala

  class Details extends StatefulSnippet with AuctionHelpers with Loggable {
    val dispatch: DispatchIt =  {
      case "show" => show _
      case "bid" => bid _
    }
    
    val currentAmountSpan = "current_amount"
    val nextAmountSpan = "next_amount"
    val amountInputId = "amount"
    
    val auction = Auction.find(By(Auction.id,S.param("id").map(_.toLong).openOr(0L)))
    
    
    def boxToNoticeWithJsCmd[T](win: String, loose: String)(f: => Box[T]){
      f match {
        case Full(value) => S.notice(win)
        case Failure(msg,_,_) => S.error(msg)
        case _ => S.warning(loose)
      }
    }
    
    def bid(xhtml: NodeSeq): NodeSeq = 
      if(!Customer.loggedIn_?){
        S.warning("You must be logged in to bid on auctions.")
        NodeSeq.Empty
      } else {
        var amountBox: Box[String] = Empty
        def submit = 
          boxToNoticeWithJsCmd(
            "Your bid was accepted!", 
            "Unable to place bid at this time."){
            for(ass <- amountBox ?~! "Amount is not a number";
              amo <- tryo(BigDecimal(ass).doubleValue) ?~! "Amount is not a number";
              auc <- auction;
              vld <- tryo(amo).filter(_ >= auc.nextAmount) ?~ "Your bid is lower than required!"
            ) yield (
              new Bid().auction(auction).customer(Customer.currentUser).amount(amo).saveMe
            )
          }
        SHtml.ajaxForm(bind("b",xhtml,
          "amount" -%> SHtml.text(amountBox.openOr(""), s => amountBox = Full(s)) % ("id" -> amountInputId),
          "submit" -> SHtml.ajaxSubmit("Place Bid", {() => submit; Noop})
        ), 
        Noop,
        SetHtml(currentAmountSpan, Text(amountBox.openOr("n/a"))) & 
        SetHtml(nextAmountSpan, Text(auction.map(_.nextAmount.toString).openOr("n/a"))) & 
        SetValueAndFocus(amountInputId, ""))
      }
    
    def show(xhtml: NodeSeq): NodeSeq = auction.map(a => 
      bind("a", single(a, xhtml),
        "countdown" -> <span class="countdown">1:27:22</span>,
        "current_amount" -> <span>{a.currentAmount.toString}</span> % ("id" -> currentAmountSpan),
        "next_amount" -> <span>{a.nextAmount.toString}</span> % ("id" -> nextAmountSpan)
      )).openOr(Text("That auction does not exist"))
    
  }