private List <DealershipPerformanceStatus> BuildStatuses(IEnumerable <int> dealershipIds, DateTime start, DateTime end)
{
var statuses = new List <DealershipPerformanceStatus>();
foreach (var id in dealershipIds)
{
// select N+1 - potentially bad for performance and efficiency
// re-using existing domain code - quick to implement
var dealership = repository.Get(id);
var targets = provider.Get(dealership, start, end);
var actuals = calculator.CalculateFor(dealership, start, end);
// map from domain to view model so UI is not coupled to domain objects
// could move this logic into a separate mapper
statuses.Add(new DealershipPerformanceStatus
{
DealershipName = dealership.Name,
TotalRevenue = actuals.TotalRevenue,
TargetRevenue = targets.TargetRevenue,
NetProfit = actuals.NetProfit,
TargetProfit = targets.TargetProfit
});
}
return(statuses);
}
public ActionResult Index(IEnumerable <int> dealershipIds, DateTime start, DateTime end)
{
var dealerships = repository.Get(dealershipIds);
var builder = new DealershipPerformanceReportBuilderUsingMediator();
var viewModel = builder.BuildReport(dealerships, start, end);
return(View(viewModel));
}