public void Calculate() {
Lessees = new Dictionary<Lessee, ResultInfo>();
Vacancy = new ResultInfo();
Landlord = new ResultInfo();
if ( Project == Project.Empty ) return;
foreach ( var fac in Project.Assignments ) {
foreach ( var fa in fac ) {
if ( !Lessees.ContainsKey(fa.Lessee) ) Lessees[fa.Lessee] = new ResultInfo();
Lessees[fa.Lessee].Lessee = fa.Lessee;
if ( fa.Start < Lessees[fa.Lessee].StartDate ) Lessees[fa.Lessee].StartDate = fa.Start;
if ( fa.End > Lessees[fa.Lessee].EndDate ) Lessees[fa.Lessee].EndDate = fa.End;
Lessees[fa.Lessee].Durations.Add(new Interval(fa.StartIntervalIndex, fa.EndIntervalIndex));
Lessees[fa.Lessee].Members = fa.Lessee.Members;
Lessees[fa.Lessee].FlatSize += fac.Flat.Size * fa.Duration;
}
Vacancy.Members += fac.VacantDuration;
Vacancy.FlatSize += fac.Flat.Size * fac.VacantDuration;
}
foreach ( var result in Lessees.Values ) {
result.AdvancePayment = TimeInterval.Within(result.StartDate, result.EndDate).Sum(
i => result.Lessee.Payments.Get(i.Start) / 2.0);
result.Members *= result.Duration;
}
foreach ( var cost in Project.Costs ) {
if ( !Landlord.Costs.ContainsKey(cost) ) Landlord.Costs[cost] = 0;
var devisor = CalculateDevisor(cost, Lessees, Vacancy);
foreach ( var lessee in Lessees.Keys ) {
var option = cost.Options.FirstOrDefault(o => o.Lessee == lessee);
if ( option == null || (!option.Affected && !option.Exempt) ) continue;
if ( option.Exempt ) Landlord.Costs[cost] += CalculateAmount(cost, Lessees[lessee], devisor);
else Lessees[lessee].Costs[cost] = CalculateAmount(cost, Lessees[lessee], devisor);
}
if ( cost.AffectsVacancy ) Vacancy.Costs[cost] = CalculateAmount(cost, Vacancy, devisor);
}
Error = new ResultInfo();
foreach ( var cost in Project.Costs ) {
Error.Costs[cost] = Math.Abs(Lessees.Sum(i => i.Value.Costs.ContainsKey(cost) ? i.Value.Costs[cost] : 0)
+ (Vacancy.Costs.ContainsKey(cost) ? Vacancy.Costs[cost] : 0)
+ (Landlord.Costs.ContainsKey(cost) ? Landlord.Costs[cost] : 0 )
- cost.Amount);
}
NotifyPropertyChanged("Result");
}
public double CalculateAmount(Cost cost, ResultInfo info, double devisor) {
switch ( cost.Mode ) {
case CostMode.Lessee: return cost.Amount * info.Duration / devisor;
case CostMode.Member: return cost.Amount * info.Members / devisor;
case CostMode.Flat: return cost.Amount * info.FlatSize / devisor;
case CostMode.External:
if (info.Lessee != null)
return cost.Options.First(o => o.Lessee == info.Lessee).Amount;
else if (info == Vacancy)
return cost.VacancyAmount;
else return 0;
}
return 0;
}
public void Calculate()
{
Lessees = new Dictionary <Lessee, ResultInfo>();
Vacancy = new ResultInfo();
Landlord = new ResultInfo();
if (Project == Project.Empty)
{
return;
}
foreach (var fac in Project.Assignments)
{
foreach (var fa in fac)
{
if (!Lessees.ContainsKey(fa.Lessee))
{
Lessees[fa.Lessee] = new ResultInfo();
}
Lessees[fa.Lessee].Lessee = fa.Lessee;
if (fa.Start < Lessees[fa.Lessee].StartDate)
{
Lessees[fa.Lessee].StartDate = fa.Start;
}
if (fa.End > Lessees[fa.Lessee].EndDate)
{
Lessees[fa.Lessee].EndDate = fa.End;
}
Lessees[fa.Lessee].Durations.Add(new Interval(fa.StartIntervalIndex, fa.EndIntervalIndex));
Lessees[fa.Lessee].Members = fa.Lessee.Members;
Lessees[fa.Lessee].FlatSize += fac.Flat.Size * fa.Duration;
}
Vacancy.Members += fac.VacantDuration;
Vacancy.FlatSize += fac.Flat.Size * fac.VacantDuration;
}
foreach (var result in Lessees.Values)
{
result.AdvancePayment = TimeInterval.Within(result.StartDate, result.EndDate).Sum(
i => result.Lessee.Payments.Get(i.Start) / 2.0);
result.Members *= result.Duration;
}
foreach (var cost in Project.Costs)
{
if (!Landlord.Costs.ContainsKey(cost))
{
Landlord.Costs[cost] = 0;
}
var devisor = CalculateDevisor(cost, Lessees, Vacancy);
foreach (var lessee in Lessees.Keys)
{
var option = cost.Options.FirstOrDefault(o => o.Lessee == lessee);
if (option == null || (!option.Affected && !option.Exempt))
{
continue;
}
if (option.Exempt)
{
Landlord.Costs[cost] += CalculateAmount(cost, Lessees[lessee], devisor);
}
else
{
Lessees[lessee].Costs[cost] = CalculateAmount(cost, Lessees[lessee], devisor);
}
}
if (cost.AffectsVacancy)
{
Vacancy.Costs[cost] = CalculateAmount(cost, Vacancy, devisor);
}
}
Error = new ResultInfo();
foreach (var cost in Project.Costs)
{
Error.Costs[cost] = Math.Abs(Lessees.Sum(i => i.Value.Costs.ContainsKey(cost) ? i.Value.Costs[cost] : 0)
+ (Vacancy.Costs.ContainsKey(cost) ? Vacancy.Costs[cost] : 0)
+ (Landlord.Costs.ContainsKey(cost) ? Landlord.Costs[cost] : 0)
- cost.Amount);
}
NotifyPropertyChanged("Result");
}
public double CalculateDevisor(Cost cost, Dictionary<Lessee, ResultInfo> result, ResultInfo vacancy) {
switch ( cost.Mode ) {
case CostMode.Lessee:
return cost.Options.Sum(o => o.Affected || o.Exempt ? result[o.Lessee].Duration : 0)
+ (cost.AffectsVacancy ? vacancy.Members : 0);
case CostMode.Member:
return cost.Options.Sum(o => o.Affected || o.Exempt ? result[o.Lessee].Members : 0)
+ (cost.AffectsVacancy ? vacancy.Members : 0);
case CostMode.Flat:
return cost.Options.Sum(o => o.Affected || o.Exempt ? result[o.Lessee].FlatSize : 0)
+ (cost.AffectsVacancy ? vacancy.FlatSize : 0);
}
return 1;
}
public double CalculateDevisor(Cost cost, Dictionary <Lessee, ResultInfo> result, ResultInfo vacancy)
{
switch (cost.Mode)
{
case CostMode.Lessee:
return(cost.Options.Sum(o => o.Affected || o.Exempt ? result[o.Lessee].Duration : 0)
+ (cost.AffectsVacancy ? vacancy.Members : 0));
case CostMode.Member:
return(cost.Options.Sum(o => o.Affected || o.Exempt ? result[o.Lessee].Members : 0)
+ (cost.AffectsVacancy ? vacancy.Members : 0));
case CostMode.Flat:
return(cost.Options.Sum(o => o.Affected || o.Exempt ? result[o.Lessee].FlatSize : 0)
+ (cost.AffectsVacancy ? vacancy.FlatSize : 0));
}
return(1);
}