public void StockIn(StorageProductAddOrUpdateDto storageProductAddOrUpdateDto)
{
if (storageProductAddOrUpdateDto == null)
{
throw new ArgumentNullException(nameof(storageProductAddOrUpdateDto));
}
if (StorageProductExistsAsync(storageProductAddOrUpdateDto).Result) //如果存在名称和规格都一样的产品
{
var stock = _context.Stocks.FirstOrDefault(x =>
x.ProductName == storageProductAddOrUpdateDto.ProductName &&
x.ProductSpecification == storageProductAddOrUpdateDto.ProductSpecification);
stock.Amout += storageProductAddOrUpdateDto.Amout;
return;
}
Stock newStock = new Stock();
newStock.Id = Guid.NewGuid();
newStock.ProductName = storageProductAddOrUpdateDto.ProductName;
newStock.ProductSpecification = storageProductAddOrUpdateDto.ProductSpecification;
newStock.Amout = storageProductAddOrUpdateDto.Amout;
_context.Stocks.Add(newStock);
}
public async Task <bool> StorageProductExistsAsync(StorageProductAddOrUpdateDto product)
{
return(await _context.Stocks.AnyAsync(x =>
x.ProductName == product.ProductName && x.ProductSpecification == product.ProductSpecification));
}