Real-Time Online Auction & Bidding Marketplace Engine in Koramangala Tech Hub

// Anti-Sniping Auction Timer Extender
export async function placeBid(auctionId: string, amount: number, bidderId: string) {
  return await db.$transaction(async (tx) => {
    const auction = await tx.auction.findUnique({ where: { id: auctionId } });
    if (amount <= auction.currentBid) throw new Error("Bid must exceed current highest");
    // Auto-extend by 2 mins if bid within last 60 seconds
    const remainingMs = auction.endsAt.getTime() - Date.now();
    const endsAt = remainingMs < 60000 ? new Date(Date.now() + 120000) : auction.endsAt;
    return await tx.auction.update({ where: { id: auctionId }, data: { currentBid: amount, highestBidderId: bidderId, endsAt } });
  });
}