protected override async Task<ValidationResult> IsValidAsync(object value, ValidationContext validationContext)
{
// get validation data
var newBid = (double)value;
var auctionBid = (AuctionBid)validationContext.ObjectInstance;
// determine bid abuse
var service = new AuctionService();
var isAbuse = await service.IsBidAbuseAsync(auctionBid, newBid);
return isAbuse
? new ValidationResult("Your bid has been detected to be an abuse")
: ValidationResult.Success;
}
protected override async Task<ValidationResult> IsValidAsync(object value, ValidationContext validationContext)
{
// get validation data
var newBid = (double)value;
var auctionBid = (AuctionBid)validationContext.ObjectInstance;
// get actual current bid value
var service = new AuctionService();
var currentBid = await service.GetCurrentBidAsync(auctionBid);
// perform validation
return (newBid > auctionBid.CurrentBid && newBid <= currentBid)
? new ValidationResult("Your bid has been surpassed.")
: ValidationResult.Success;
}
