public ProductCode AddProduct(ProductCreateDto Product)
{
if (DateTime.UtcNow > Product.ExpiryDate)
{
return(ProductCode.InvalidDate);
}
Product.UploadDate = DateTime.UtcNow;
var product = _mapper.Map <Product>(Product);
product.ProductId = Guid.NewGuid();
var imgName = GetImgName(Product.ImgFile, product.ProductId);
product.ImgUrl = GetImgUrl(imgName);
_S3UploadeImage.UploadFileAsync(Product.ImgFile, imgName).Wait();
_context.Product.Add(product);
_context.SaveChanges();
return(ProductCode.Success);
}
public BidCode AddBid(BidCreateDto Bid)
{
var bid = _mapper.Map <Bid>(Bid);
bid.BidDate = DateTime.UtcNow;
bid.BidId = Guid.NewGuid();
var latestBid = _context.Bid.OrderByDescending(x => x.BidAmount).FirstOrDefault(x => x.ProductId == bid.ProductId);
if (latestBid != null)
{
var product = _context.Product.Include("Bids.User").FirstOrDefault(x => x.ProductId == bid.ProductId);
if (product == null)
{
return(BidCode.Null);
}
if (bid.BidAmount <= latestBid.BidAmount)
{
return(BidCode.PriceTooLow);
}
if (bid.UserId == latestBid.UserId)
{
return(BidCode.HighestBid);
}
var bidders = product.Bids.Select(x => x.User).Distinct();
foreach (var bidder in bidders)
{
if (bidder.UserId != Bid.UserId)
{
var message = $"<h3>A new bid has been made for {product.ProductName}!</h3><p>Current highest bid amount:${bid.BidAmount}</p><p>Submit a higher bid in order to win the auction!</p>";
var mail = _emailService.NewMail(bidder.Username, $"New Bid for {product.ProductName}", message);
Task.Factory.StartNew(() => _emailService.SendEmail(mail));
}
else
{
var message = $"<h3>Your bid for {product.ProductName} is a success!</h3><p>Your bid amount:${bid.BidAmount}</p><p>Submit a higher bid in order to win the auction!</p>";
var mail = _emailService.NewMail(bidder.Username, $"Bid success for {product.ProductName}", message);
Task.Factory.StartNew(() => _emailService.SendEmail(mail));
}
}
}
_context.Bid.Add(bid);
_context.SaveChanges();
_bidHubContext.Clients.All.SendAsync("ReceiveBid", _mapper.Map <BidReadDto>(bid));
return(Codes.BidCode.Success);
}
public User Register(string Username, string Password)
{
var existingUser = _context.Users.FirstOrDefault(x => x.Username == Username);
if (existingUser != null)
{
return(null);
}
var user = new User()
{
UserId = Guid.NewGuid(),
Username = Username,
Password = Password,
Role = Role.User
};
_context.Users.Add(user);
_context.SaveChanges();
return(user);
}
