fix investment values for portfolio.service.ts (#243)

* fix investment values for portfolio.service.ts

* Update changelog

Co-authored-by: Valentin Zickner <github@zickner.ch>
Co-authored-by: Thomas <4159106+dtslvr@users.noreply.github.com>

CHANGELOG.md

@@ -5,6 +5,12 @@ All notable changes to this project will be documented in this file.
 The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/),
 and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0.html).
 
+## Unreleased
+
+### Fixed
+
+- Fixed an issue with the currency conversion in the portfolio calculations
+
 ## 1.31.0 - 01.08.2021
 
 ### Added
@@ -13,7 +19,8 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 
 ### Changed
 
-- Refactored the core engine for the calculations
+- Refactored the core engine for the portfolio calculations
+- Improved the performance of the portfolio calculations
 
 ## 1.30.0 - 31.07.2021
 

apps/api/src/app/portfolio/portfolio.service.ts

@@ -641,6 +641,7 @@ export class PortfolioService {
       return { transactionPoints: [], orders: [] };
     }
 
+    const userCurrency = this.request.user.Settings.currency;
     const portfolioOrders: PortfolioOrder[] = orders.map((order) => ({
       currency: order.currency,
       date: format(order.date, DATE_FORMAT),
@@ -648,12 +649,18 @@ export class PortfolioService {
       quantity: new Big(order.quantity),
       symbol: order.symbol,
       type: <OrderType>order.type,
-      unitPrice: new Big(order.unitPrice)
+      unitPrice: new Big(
+        this.exchangeRateDataService.toCurrency(
+          order.unitPrice,
+          order.currency,
+          userCurrency
+        )
+      )
     }));
 
     const portfolioCalculator = new PortfolioCalculator(
       this.currentRateService,
-      this.request.user.Settings.currency
+      userCurrency
     );
     portfolioCalculator.computeTransactionPoints(portfolioOrders);
     return {