public async Task <bool> Do(Request request)
{
//service responsibility
if (!_stockManager.EnoughStock(request.StockId, request.Quantity))
{
return(false);
}
await _stockManager
.PutSockOnHold(request.StockId, request.Quantity, _sessionManager.GetId());
var stock = _stockManager.GetStockWithProduct(request.StockId);
var cartProduct = new CartProduct()
{
ProductId = stock.Product.Id,
ProductName = stock.Product.Name,
StockId = stock.Id,
Quantity = request.Quantity,
Price = stock.Product.Price,
PhotoUrl = stock.Product.PhotoUrl
};
_sessionManager.AddProduct(cartProduct);
return(true);
}
public async Task <bool> Do(Request request)
{
if (!_stockManager.EnoughStock(request.StockId, request.Qty))
{
return(false);
//notEnough stock
}
await _stockManager.PutStockOnHold(request.StockId, request.Qty, _sessionManager.GetId());
var stock = _stockManager.GetStockProduct(request.StockId);
var cartProduct = new CartProduct()
{
ProductName = stock.Product.Name,
ProductId = stock.ProductId,
StockId = stock.Id,
Qty = request.Qty,
TheValue = stock.Product.Value,
ImgUrl = stock.Product.ImgUrl
};
_sessionManager.AddProduct(cartProduct);
return(true);
}
public async Task <bool> Do(Request request)
{
if (!_stockManager.EnoughStock(request.StockId, request.Qty))
{
throw new System.Exception("Not enough stock.");
}
await _stockManager.PutStockOnHold(request.StockId, request.Qty, _sessionManager.GetId());
var stock = _stockManager.GetStockWithProduct(request.StockId);
var cartProduct = new CartProduct()
{
ProductId = stock.ProductId,
StockId = stock.Id,
Qty = request.Qty,
ProductName = stock.Product.Name,
Value = stock.Product.Value,
Image = stock.Product.PrimaryImage,
Description = stock.Description
};
_sessionManager.AddProduct(cartProduct);
return(true);
}
public async Task <bool> Do(Request request)
{
// Episode 28 - Stock Race Condition
// Service responsability
if (!_stockManager.EnoughStock(request.StockId, request.Qty))
{
return(false);
}
await _stockManager
.PutStockOnHold(request.StockId, request.Qty, _sessionManager.GetId());
var stock = _stockManager.GetStockWithProduct(request.StockId);
var cartProduct = new CartProduct()
{
ProductId = stock.ProductId,
ProductName = stock.Product.Name,
StockId = stock.Id,
Qty = request.Qty,
Value = stock.Product.Value,
};
_sessionManager.AddProduct(cartProduct);
return(true);
}
public async Task <bool> ExecAsync(CartDto cartDto)
{
if (!_stockManager.EnoughStock(cartDto.StockId, cartDto.Quantity))
{
return(false);
}
var success =
await _stockManager.PutStockOnHold(cartDto.StockId, cartDto.Quantity, _sessionManager.GetId()) > 0;
if (!success)
{
return(false);
}
var stock = _stockManager.GetStockWithProduct(cartDto.StockId);
if (stock == null)
{
return(false);
}
var cartProduct = new CartProduct
{
ProductId = stock.ProductId,
ProductName = stock.Product.Name,
StockId = stock.Id,
Quantity = cartDto.Quantity,
Value = stock.Product.Value
};
_sessionManager.AddProduct(cartProduct);
return(true);
}
public async Task <bool> Do(Request request)
{
if (request.Qty <= 0)
{
return(false);
}
if (!await _stockManager.EnoughStock(request.StockId, request.Qty))
{
return(false);
}
await _stockManager.PutStockOnHold(request.StockId, request.Qty, _sessionManager.GetId());
var stock = await _stockManager.GetStock(request.StockId);
var product = await _productManager.GetProductById(stock.ProductId);
var images = await _productImageManager.GetImages(stock.ProductId);
var cartProduct = new CartProduct
{
ProductId = stock.ProductId,
ProductName = product.Name,
StockId = stock.Id,
Images = images.Select(x => x.Path).ToList(),
Qty = request.Qty,
Value = product.Value
};
_sessionManager.AddProduct(cartProduct);
return(true);
}
public async Task <bool> Do(Request request)
{
if (!_stockManager.EnoughStock(request.StockID, request.Qty))
{
return(false);
}
if (request.Qty <= 0)
{
return(false);
}
await _stockManager
.PutStockOnHold(request.StockID, request.Qty, _sessionManager.GetId());
var stock = _stockManager.GetStockWithProduct(request.StockID);
var cartProduct = new CartProduct()
{
ProductID = stock.ProductID,
StockID = stock.ID,
Qty = request.Qty,
ProductName = stock.Product.Name,
Value = stock.Product.Value
};
_sessionManager.AddProduct(cartProduct);
return(true);
}
public async Task <bool> DoAsync(Request request)
{
#region Stock Race
//var stockToHold = _context.Stock.Where(x => x.Id == request.StockId).FirstOrDefault();
//if (stockToHold.Quantity < request.Quantity)
//{
// return false;
//}
//var stockOnHold = _context.StocksOnHold.Where(x => x.SessionId == _sessionManager.GetId()).ToList();
//if (stockOnHold.Any(x => x.StockId == request.StockId))
//{
// stockOnHold.Find(x => x.StockId == request.StockId).Quantity += request.Quantity;
//}
//else
//{
// _context.StocksOnHold.Add(new StockOnHold
// {
// StockId = request.StockId,
// SessionId = _sessionManager.GetId(),
// Quantity = request.Quantity,
// ExpiryDate = DateTime.Now.AddMinutes(20)
// });
//}
//foreach (var stock in stockOnHold)
//{
// stock.ExpiryDate = DateTime.Now.AddMinutes(20);
//}
//stockToHold.Quantity = stockToHold.Quantity - request.Quantity;
//await _context.SaveChangesAsync();
#endregion
var product = _productManager.GetProductById(request.ProductId);
var cartPorduct = new CartProduct()
{
ProductId = product.Id,
StockId = product.Id,
Quantity = request.Quantity,
ProductName = product.Name,
Description = product.Description,
Seller = product.Distributor.DistributorName,
Category = product.Category.CategoryName,
Producer = product.Producer.ProducerName,
SourceUrl = product.SourceUrl,
Value = product.Value
};
await Task.Run(() => _sessionManager.AddProduct(cartPorduct));
return(true);
}
public async Task <bool> Do(Request request)
{
//service responsibility
if (!_stockManager.EnoughStock(request.StockId, request.Qty))
{
return(false);
}
await _stockManager
.PutStockOnHold(request.StockId, request.Qty, _sessionManager.GetId());
var stock = _stockManager.GetStockWithProduct(request.StockId);
var cartProduct = new CartProduct()
{
ProductId = stock.ProductId,
StockId = stock.Id,
Qty = request.Qty,
ProductName = stock.Product.Name,
Value = stock.Product.Value,
};
_sessionManager.AddProduct(cartProduct);
// var cartList = new List<CartProduct>();
// var stringObject = _session.GetString("cart");
// if (!string.IsNullOrEmpty(stringObject))
// {
// cartList = JsonConvert.DeserializeObject<List<CartProduct>>(stringObject);
// }
//
// if (cartList.Any(x => x.StockId == request.StockId))
// {
// cartList.Find(x => x.StockId == request.StockId).Qty += request.Qty;
// }
// else
// {
// cartList.Add(new CartProduct
// {
// StockId = request.StockId,
// Qty = request.Qty
// });
// }
//
// stringObject = JsonConvert.SerializeObject(cartList);
//
// _session.SetString("cart", stringObject);
return(true);
}
public async Task <bool> Do(Request request)
{
var stockOnHold = _ctx.StocksOnHold.Where(x => x.SessionId == _sessionManager.GetId()).ToList();
var stockToHold = _ctx.Stock.Where(x => x.Id == request.StockId).FirstOrDefault();
if (stockToHold.Qty < request.Qty)
{
//return not enough stock
return(false);
}
if (stockOnHold.Any(x => x.StockId == request.StockId))
{
stockOnHold.Find(x => x.StockId == request.StockId).Qty += request.Qty;
}
else
{
_ctx.StocksOnHold.Add(new StockOnHold
{
StockId = stockToHold.Id,
SessionId = _sessionManager.GetId(),
Qty = stockToHold.Qty,
ExpiryDate = DateTime.Now.AddMinutes(20)
});
}
stockToHold.Qty = stockToHold.Qty - request.Qty;
foreach (var stock in stockOnHold)
{
stock.ExpiryDate = DateTime.Now.AddMinutes(20);
}
await _ctx.SaveChangesAsync();
_sessionManager.AddProduct(request.StockId, request.Qty);
// var cartList = new List<CartProduct>();
// var stringObject = _session.GetString("cart");
// if (!string.IsNullOrEmpty(stringObject))
// {
// cartList = JsonConvert.DeserializeObject<List<CartProduct>>(stringObject);
// }
//
// if (cartList.Any(x => x.StockId == request.StockId))
// {
// cartList.Find(x => x.StockId == request.StockId).Qty += request.Qty;
// }
// else
// {
// cartList.Add(new CartProduct
// {
// StockId = request.StockId,
// Qty = request.Qty
// });
// }
//
// stringObject = JsonConvert.SerializeObject(cartList);
//
// _session.SetString("cart", stringObject);
return(true);
}
