public async Task BookProduct(BookProductDto bookProduct)
{
Product product;
User user;
BookProduct book;
product = await Repository.GetByIdAsync(bookProduct.ProductId);
user = await UserRepository.GetByEmail(bookProduct.Email);
if (product == null || user == null)
{
throw new KeyNotFoundException();
}
book = ProductRepository.GetBookByPersonAndProduct(user.Id, product.Id);
if (book == null)
{
book = new BookProduct
{
ProductId = product.Id,
UserID = user.Id,
Quantity = 1
};
await ProductRepository.CreateAsync(book);
}
if (bookProduct.Value < 0)
{
book.Quantity -= 1;
product.AvailableQuantity += 1;
}
else
{
book.Quantity += 1;
product.AvailableQuantity -= 1;
}
if (product.AvailableQuantity == 0)
{
throw new InvalidOperationException("There is no more quantity available");
}
if (product.AvailableQuantity > product.Quantity)
{
throw new InvalidOperationException("There is no more quantity available");
}
await ProductRepository.UpdateAsync(book);
await Repository.UpdateAsync(product);
}
public async Task <IActionResult> BookProduct([FromBody] BookProductDto bookProduct)
{
try
{
await ProductsBusiness.BookProduct(bookProduct);
return(Ok());
}
catch (Exception ex)
{
return(BadRequest(ex.Message));
}
}
