public async Task PutItemOnActionAsync(Guid itemId, decimal value, DateTime expiryDate, Guid userId)
{
var item = await this.itemRepository.GetByIdAsync(itemId)
?? throw new Exception("Item not found");
if (item.OwnerId != userId)
{
throw new Exception("Only owner can put item on the auction");
}
var auctionItem = await this.auctionItemRepository.GetByItemIdAsync(item.Id);
if (auctionItem != null)
{
throw new Exception("The item has already been auctioned");
}
auctionItem = new AuctionItem
{
ItemId = item.Id,
OwnerId = userId,
AuctionStart = DateTime.UtcNow,
AuctionFinish = expiryDate,
Value = value,
TopBidderId = Guid.Empty,
TopBidderValue = value
};
if (auctionItem.IsExpired())
{
throw new Exception("Expiry date is in the past");
}
await this.auctionItemRepository.AddAsync(auctionItem);
}