public IEnumerable <IEvent <ProjectTimeAggregateRoot, int> > Execute(DistributeEarningCommand command)
{
CheckUserBillingRights(command.ProjectId, command.ByUserId);
if (command.EarningSum < 0)
{
throw new ArgumentException("Earning sum must be greater than zero.");
}
command.Result = new List <InvoiceRecalculationResult>();
var userInvoices = State.Invoices.Where(i => i.InvoiceNum == command.InvoiceNum);
if (!userInvoices.Any())
{
throw new ArgumentException("Invoice number is not valid: invoice either cancelled or not exists.");
}
var totalSum = userInvoices.Sum(i => i.Sum);
if (command.EarningSum > totalSum)
{
throw new ArgumentException(String.Format("Sum must be less than or equal to {0}", totalSum));
}
command.Result = userInvoices.Select(ui => new InvoiceRecalculationResult
{
UserId = ui.UserId,
BillingHours = ui.Hours,
MaxHours = ui.Hours,
Sum = command.EarningSum * ui.Sum / totalSum
}).ToList();
var events = userInvoices.Select(ui => new InvoiceEvent
{
At = DateTimeOffset.Now,
EventType = InvoiceEventType.EarningDistribution,
Hours = ui.Hours,
InvoiceNum = ui.InvoiceNum,
InvoiceSum = command.EarningSum * ui.Sum / totalSum,
ProjectId = command.ProjectId,
UserId = ui.UserId,
RegisteredAt = DateTimeOffset.Now,
RegisteredByUserId = command.ByUserId
});
command.Result = events.Select(e => new InvoiceRecalculationResult
{
UserId = e.UserId,
BillingHours = e.Hours,
MaxHours = e.Hours,
Sum = e.InvoiceSum
}).ToList();
return(events);
}
public List <InvoiceRecalculationResult> DistributeInvoiceEarnings(int projectId, string invoiceNum, decimal earningsSum)
{
var command = new DistributeEarningCommand
{
ByUserId = _currentUser.Id,
EarningSum = earningsSum,
InvoiceNum = invoiceNum,
ProjectId = projectId
};
_cqrs.Execute(command);
return(command.Result);
}
