public async Task <Result <OrderItem> > AddNewOrderItem(OrderItemPreparationContext context)
{
var target = await _dbContext.OrderItems.FindAsync(context.OrderItemId);
if (target != null)
{
_logger.LogInformation($"Order item {context.OrderId} already exists.");
return(new Result <OrderItem> {
Value = null, IsSuccessful = false
});
}
var entity = MapRequest(context);
await _dbContext.OrderItems.AddAsync(entity);
int changes = await _dbContext.SaveChangesAsync();
if (changes <= 0)
{
_logger.LogInformation($"Order item {context.OrderItemId} of Order {context.OrderId} could not be saved.");
return(new Result <OrderItem> {
Reason = ReasonType.DatabaseError, ChangeCount = changes, IsSuccessful = false
});
}
_logger.LogInformation($"Order {context.OrderItemId} was saved.");
return(new Result <OrderItem> {
Value = MapToOrderItem(entity), ChangeCount = changes, IsSuccessful = true
});
}
OrderItemEntity MapRequest(OrderItemPreparationContext context) =>