Add option to group investments by year

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

@@ -2,6 +2,7 @@ import { TimelineInfoInterface } from '@ghostfolio/api/app/portfolio/interfaces/
 import { IDataGatheringItem } from '@ghostfolio/api/services/interfaces/interfaces';
 import { DATE_FORMAT, parseDate, resetHours } from '@ghostfolio/common/helper';
 import { ResponseError, TimelinePosition } from '@ghostfolio/common/interfaces';
+import { GroupBy } from '@ghostfolio/common/types';
 import { Logger } from '@nestjs/common';
 import { Type as TypeOfOrder } from '@prisma/client';
 import Big from 'big.js';
@@ -478,46 +479,54 @@ export class PortfolioCalculator {
     });
   }
 
-  public getInvestmentsByMonth(): { date: string; investment: Big }[] {
+  public getInvestmentsByGroup(
+    groupBy: GroupBy
+  ): { date: string; investment: Big }[] {
     if (this.orders.length === 0) {
       return [];
     }
 
     const investments = [];
     let currentDate: Date;
-    let investmentByMonth = new Big(0);
+    let investmentByGroup = new Big(0);
 
     for (const [index, order] of this.orders.entries()) {
       if (
-        isSameMonth(parseDate(order.date), currentDate) &&
-        isSameYear(parseDate(order.date), currentDate)
+        isSameYear(parseDate(order.date), currentDate) &&
+        (groupBy === 'year' || isSameMonth(parseDate(order.date), currentDate))
       ) {
-        // Same month: Add up investments
+        // Same group: Add up investments
 
-        investmentByMonth = investmentByMonth.plus(
+        investmentByGroup = investmentByGroup.plus(
           order.quantity.mul(order.unitPrice).mul(this.getFactor(order.type))
         );
       } else {
-        // New month: Store previous month and reset
+        // New group: Store previous group and reset
 
         if (currentDate) {
           investments.push({
             date: format(set(currentDate, { date: 1 }), DATE_FORMAT),
-            investment: investmentByMonth
+            investment: investmentByGroup
           });
         }
 
         currentDate = parseDate(order.date);
-        investmentByMonth = order.quantity
+        investmentByGroup = order.quantity
           .mul(order.unitPrice)
           .mul(this.getFactor(order.type));
       }
 
       if (index === this.orders.length - 1) {
-        // Store current month (latest order)
+        // Store current group (latest order)
         investments.push({
-          date: format(set(currentDate, { date: 1 }), DATE_FORMAT),
-          investment: investmentByMonth
+          date: format(
+            set(
+              currentDate,
+              groupBy === 'month' ? { date: 1 } : { date: 1, month: 1 }
+            ),
+            DATE_FORMAT
+          ),
+          investment: investmentByGroup
         });
       }
     }

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

@@ -282,26 +282,31 @@ export class PortfolioService {
 
     let investments: InvestmentItem[];
 
-    if (groupBy === 'month') {
-      investments = portfolioCalculator.getInvestmentsByMonth().map((item) => {
+    if (groupBy) {
+      investments = portfolioCalculator
+        .getInvestmentsByGroup(groupBy)
+        .map((item) => {
           return {
             date: item.date,
             investment: item.investment.toNumber()
           };
         });
 
-      // Add investment of current month
-      const dateOfCurrentMonth = format(
-        set(new Date(), { date: 1 }),
+      // Add investment of current group
+      const dateOfCurrentGroup = format(
+        set(
+          new Date(),
+          groupBy === 'month' ? { date: 1 } : { date: 1, month: 1 }
+        ),
         DATE_FORMAT
       );
-      const investmentOfCurrentMonth = investments.filter(({ date }) => {
-        return date === dateOfCurrentMonth;
+      const investmentOfCurrentGroup = investments.filter(({ date }) => {
+        return date === dateOfCurrentGroup;
       });
 
-      if (investmentOfCurrentMonth.length <= 0) {
+      if (investmentOfCurrentGroup.length <= 0) {
         investments.push({
-          date: dateOfCurrentMonth,
+          date: dateOfCurrentGroup,
           investment: 0
         });
       }

apps/client/src/app/pages/portfolio/analysis/analysis-page.component.ts

@@ -202,6 +202,7 @@ export class AnalysisPageComponent implements OnDestroy, OnInit {
 
   public onChangeGroupBy(aMode: GroupBy) {
     this.mode = aMode;
+    this.update();
   }
 
   public ngOnDestroy() {
@@ -308,7 +309,7 @@ export class AnalysisPageComponent implements OnDestroy, OnInit {
     this.dataService
       .fetchInvestments({
         filters: this.activeFilters,
-        groupBy: 'month',
+        groupBy: this.mode,
         range: this.user?.settings?.dateRange
       })
       .pipe(takeUntil(this.unsubscribeSubject))

libs/common/src/lib/types/group-by.type.ts

@@ -1 +1 @@
-export type GroupBy = 'month';
+export type GroupBy = 'month' | 'year';