Feature/extend portfolio snapshot by activities count (ghostfolio#4352)

* Extend portfolio snapshot by activities count

* Update changelog

Author: csehatt741

CHANGELOG.md

@@ -10,6 +10,7 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 ### Added
 
 - Extended the export functionality by the tags
+- Extended the portfolio snapshot in the portfolio calculator by the activities count
 - Extended the user endpoint `GET api/v1/user` by the activities count
 
 ### Changed

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

@@ -175,6 +175,7 @@ export abstract class PortfolioCalculator {
 
     if (!transactionPoints.length) {
       return {
+        activitiesCount: 0,
         currentValueInBaseCurrency: new Big(0),
         errors: [],
         hasErrors: false,

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

@@ -101,6 +101,9 @@ export class TWRPortfolioCalculator extends PortfolioCalculator {
       totalInterestWithCurrencyEffect,
       totalInvestment,
       totalInvestmentWithCurrencyEffect,
+      activitiesCount: this.activities.filter(({ type }) => {
+        return ['BUY', 'SELL'].includes(type);
+      }).length,
       errors: [],
       historicalData: [],
       totalLiabilitiesWithCurrencyEffect: new Big(0),

libs/common/src/lib/models/portfolio-snapshot.ts

@@ -9,6 +9,8 @@ import { Big } from 'big.js';
 import { Transform, Type } from 'class-transformer';
 
 export class PortfolioSnapshot {
+  activitiesCount: number;
+
   @Transform(transformToBig, { toClassOnly: true })
   @Type(() => Big)
   currentValueInBaseCurrency: Big;