public async Task <UpdateResult> UpdateAsync(string number, OrderRecord orderIn)
{
if (!OrderExists(number))
{
return(new UpdateResult()
{
NotFound = true, ErrorMessage = $"Product with code {orderIn.Number} doesn't exist."
});
}
var orderTransaction = await this.dbContext.Database.BeginTransactionAsync();
try
{
Order orderToDelete = await this.dbContext.Orders.FindAsync(orderIn.Number);
this.dbContext.Remove(orderToDelete);
await this.dbContext.SaveChangesAsync();
await this.dbContext.AddAsync(await orderIn.GetEntity(dbContext));
await this.dbContext.SaveChangesAsync();
await orderTransaction.CommitAsync();
}
catch (DbUpdateConcurrencyException dce)
{
await orderTransaction.RollbackAsync();
return(new UpdateResult()
{
Success = false, ErrorMessage = dce.Message
});
}
catch (Exception ex)
{
await orderTransaction.RollbackAsync();
}
return(new UpdateResult()
{
Success = true
});
}
public async Task <CreateResult <OrderRecord> > CreateAsync(OrderRecord order)
{
if (OrderExists(order.Number))
{
return(new CreateResult <OrderRecord>()
{
AlreadyExists = true, ErrorMessage = $"Order with number {order.Number} already exists."
});
}
Order newOrder = await order.GetEntity(this.dbContext);
try
{
await this.dbContext.SaveChangesAsync();
}
catch (DbUpdateException dbu)
{
if (OrderExists(order.Number))
{
return(new CreateResult <OrderRecord>()
{
AlreadyExists = true
});
}
else
{
return(new CreateResult <OrderRecord>()
{
ErrorMessage = dbu.Message
});
}
}
return(new CreateResult <OrderRecord>()
{
Success = true, NewRecord = newOrder.GetRecord(this.dbContext)
});
}
