private async Task <decimal?> UpdateCustomerNetWorthAsync(CustomerOrderDTO orderDTO)
{
var customer = await db.Customers.FindAsync(orderDTO.CustomerId);
if (customer == null)
{
throw new Exception(String.Format("Customer with id {0} not found while updating its networth", orderDTO.CustomerId));
}
customer.NetWorth += orderDTO.CustomerBillingSummary.PayAmount;
db.Entry(customer).State = EntityState.Modified;
return(customer.NetWorth);
}
public async Task <IHttpActionResult> Post(CustomerOrderDTO orderDetail)
{
if (!ModelState.IsValid)
{
return(BadRequest(ModelState));
}
if (orderDetail == null)
{
return(BadRequest("OrderDetails should not have been null while placing the customer order"));
}
decimal deductWalletAmount = 0;
//TODO: Verify pay amount.
try
{
await UpdateStockOfProductsAsync(orderDetail.ProductsConsumed);
deductWalletAmount = await ComputeTransactionAmountAsync(orderDetail);
var customerOrder = CreateNewCustomerOrder(orderDetail, deductWalletAmount);
var transactionDTO = new CustomerTransactionDTO()
{
CustomerId = orderDetail.CustomerId,
TransactionAmount = Math.Abs(deductWalletAmount),
IsCredit = deductWalletAmount > 0 ? true : false,
Description = customerOrder.CustomerOrderNo,
};
var transaction = await transactionDTO.CreateNewTransactionAsync(db);
var customerOrderTransaction = CreateNewCustomerOrderTransaction(customerOrder, transaction);
await AddIntoCustomerOrderProductAsync(orderDetail.ProductsConsumed, customerOrder.CustomerOrderId);
//Data Analytics call
await UpdateCustomerNetWorthAsync(orderDetail);
await db.SaveChangesAsync();
}
catch (DbUpdateConcurrencyException)
{
throw;
}
catch (Exception e)
{ return(BadRequest(e.ToString())); }
return(Ok(deductWalletAmount));
}