Fix return of TotalDaysInvested

apps/api/src/app/portfolio/portfolio-calculator.ts

@@ -422,7 +422,6 @@ export class PortfolioCalculator {
         accumulatedValuesByDate
       );
     }
-    let values;
 
     const {
       investmentValueWithCurrencyEffect,
@@ -1443,7 +1442,8 @@ export class PortfolioCalculator {
       averagePriceAtEndDate,
       initialValue,
       fees,
-      netPerformanceValuesPercentage
+      netPerformanceValuesPercentage,
+      totalInvestmentDays
     } = this.handleOrders(
       orders,
       indexOfStartOrder,
@@ -1757,7 +1757,8 @@ export class PortfolioCalculator {
           grossPerformance.WithCurrencyEffect;
       }
 
-      this.calculatePerformancesForDate(
+      totalInvestmentDays =
+        this.calculatePerformancesForDateAndReturnTotalInvestmentDays(
           isChartMode,
           i,
           indexOfStartOrder,
@@ -1811,7 +1812,8 @@ export class PortfolioCalculator {
       averagePriceAtEndDate,
       initialValue,
       fees,
-      netPerformanceValuesPercentage
+      netPerformanceValuesPercentage,
+      totalInvestmentDays
     };
   }
 
@@ -2147,7 +2149,7 @@ export class PortfolioCalculator {
     };
   }
 
-  private calculatePerformancesForDate(
+  private calculatePerformancesForDateAndReturnTotalInvestmentDays(
     isChartMode: boolean,
     i: number,
     indexOfStartOrder: number,
@@ -2171,7 +2173,7 @@ export class PortfolioCalculator {
     investmentAtStartDate: WithCurrencyEffect<Big>,
     totalInvestmentBeforeTransaction: WithCurrencyEffect<Big>,
     transactionInvestmentWithCurrencyEffect: Big
-  ) {
+  ): number {
     if (i > indexOfStartOrder) {
       if (valueOfInvestmentBeforeTransaction.Value.gt(0)) {
         // Calculate the number of days since the previous order
@@ -2246,6 +2248,7 @@ export class PortfolioCalculator {
             : new Big(0);
       }
     }
+    return totalInvestmentDays;
   }
 
   private calculateSellOrders(