Simplify recent market data gathering

apps/api/jest-environment-tz.js

@@ -21,9 +21,15 @@ class TimeZoneEnvironment extends NodeEnvironment {
   }
 
   async teardown() {
-    await super.teardown();
-
-    process.env.TZ = this.previousTimeZone;
+    try {
+      await super.teardown();
+    } finally {
+      if (this.previousTimeZone === undefined) {
+        delete process.env.TZ;
+      } else {
+        process.env.TZ = this.previousTimeZone;
+      }
+    }
   }
 }
 

apps/api/src/services/queues/data-gathering/data-gathering.processor.time-zone.spec.ts

@@ -3,7 +3,6 @@
  * @jest-environment-options {"timeZone": "America/New_York"}
  */
 import { DataGatheringItem } from '@ghostfolio/api/services/interfaces/interfaces';
-import { parseDate } from '@ghostfolio/common/helper';
 
 import { Job } from 'bull';
 
@@ -46,25 +45,26 @@ describe('DataGatheringProcessor in a time zone behind UTC', () => {
     jest.useRealTimers();
   });
 
-  it('gathers up to the last complete UTC day', async () => {
+  it('gathers up to the last complete UTC day and does not shift the dates', async () => {
     await dataGatheringProcessor.gatherHistoricalMarketData({
       data: {
         dataSource: 'COINGECKO',
-        symbol: 'bitcoin',
-        date: parseDate('2026-08-21').toISOString()
+        // The queue enqueues dates at midnight (UTC), not at local midnight
+        date: new Date('2026-08-21T00:00:00.000Z').toISOString(),
+        symbol: 'bitcoin'
       }
     } as unknown as Job<DataGatheringItem>);
 
     const { data } = marketDataService.updateMany.mock.calls[0][0];
 
     expect(
-      data.map(({ date }) => {
-        return date;
+      data.map(({ date, marketPrice }) => {
+        return { date, marketPrice };
       })
     ).toEqual([
-      new Date('2026-08-21T00:00:00.000Z'),
-      new Date('2026-08-22T00:00:00.000Z'),
-      new Date('2026-08-23T00:00:00.000Z')
+      { date: new Date('2026-08-21T00:00:00.000Z'), marketPrice: 5 },
+      { date: new Date('2026-08-22T00:00:00.000Z'), marketPrice: 6 },
+      { date: new Date('2026-08-23T00:00:00.000Z'), marketPrice: 7 }
     ]);
   });
 });

apps/api/src/services/queues/data-gathering/data-gathering.processor.ts

@@ -17,6 +17,7 @@ import {
 } from '@ghostfolio/common/helper';
 import { AssetProfileIdentifier } from '@ghostfolio/common/interfaces';
 
+import { utc } from '@date-fns/utc';
 import { Process, Processor } from '@nestjs/bull';
 import { Injectable, Logger } from '@nestjs/common';
 import { Prisma } from '@prisma/client';
@@ -121,7 +122,7 @@ export class DataGatheringProcessor {
       while (isBefore(currentDate, getStartOfUtcDate(new Date()))) {
         const marketPriceOfDataProvider =
           historicalData[assetProfileIdentifier]?.[
-            format(currentDate, DATE_FORMAT)
+            format(currentDate, DATE_FORMAT, { in: utc })
           ]?.marketPrice;
 
         if (marketPriceOfDataProvider) {

apps/api/src/services/queues/data-gathering/data-gathering.service.spec.ts

@@ -92,22 +92,6 @@ describe('DataGatheringService', () => {
       );
     });
 
-    it('excludes the Friday close when it runs on Monday', async () => {
-      jest.useFakeTimers().setSystemTime(new Date('2026-08-24T14:00:00.000Z'));
-
-      await dataGatheringService[
-        'getAssetProfileIdentifiersWithRecentMarketData'
-      ]();
-
-      expect(prismaService.marketData.groupBy).toHaveBeenCalledWith(
-        expect.objectContaining({
-          where: expect.objectContaining({
-            date: { gte: new Date('2026-08-23T00:00:00.000Z') }
-          })
-        })
-      );
-    });
-
     it('maps the query result to asset profile identifiers', async () => {
       prismaService.marketData.groupBy.mockResolvedValue([
         { dataSource: 'COINGECKO', symbol: 'bitcoin' },
@@ -127,10 +111,45 @@ describe('DataGatheringService', () => {
   });
 
   describe('gatherRecentMarketData', () => {
+    it('queries the asset profiles with recent market data once and reuses them', async () => {
+      const assetProfileIdentifiersWithRecentMarketData = [
+        { dataSource: 'COINGECKO', symbol: 'bitcoin' }
+      ];
+
+      prismaService.marketData.groupBy.mockResolvedValue(
+        assetProfileIdentifiersWithRecentMarketData
+      );
+
+      const getCurrencies7D = jest
+        .spyOn(dataGatheringService as any, 'getCurrencies7D')
+        .mockReturnValue([]);
+      const getSymbols7D = jest
+        .spyOn(dataGatheringService as any, 'getSymbols7D')
+        .mockResolvedValue([]);
+
+      await dataGatheringService.gatherRecentMarketData();
+
+      expect(prismaService.marketData.groupBy).toHaveBeenCalledTimes(1);
+
+      expect(getCurrencies7D).toHaveBeenCalledWith({
+        assetProfileIdentifiersWithRecentMarketData
+      });
+
+      expect(getSymbols7D).toHaveBeenCalledWith({
+        assetProfileIdentifiersWithRecentMarketData,
+        withUserSubscription: true
+      });
+
+      expect(getSymbols7D).toHaveBeenCalledWith({
+        assetProfileIdentifiersWithRecentMarketData,
+        withUserSubscription: false
+      });
+    });
+
     it('expires completed jobs which are older than the cooldown', async () => {
       jest
         .spyOn(dataGatheringService as any, 'getCurrencies7D')
-        .mockResolvedValue([]);
+        .mockReturnValue([]);
       jest
         .spyOn(dataGatheringService as any, 'getSymbols7D')
         .mockResolvedValue([]);
@@ -146,7 +165,7 @@ describe('DataGatheringService', () => {
     it('retains its completed jobs for the duration of the cooldown', async () => {
       jest
         .spyOn(dataGatheringService as any, 'getCurrencies7D')
-        .mockResolvedValue([
+        .mockReturnValue([
           {
             dataSource: 'YAHOO',
             date: parseDate('2026-08-01'),

apps/api/src/services/queues/data-gathering/data-gathering.service.ts

@@ -267,7 +267,7 @@ export class DataGatheringService {
 
     await this.gatherSymbols({
       removeOnComplete,
-      dataGatheringItems: await this.getCurrencies7D({
+      dataGatheringItems: this.getCurrencies7D({
         assetProfileIdentifiersWithRecentMarketData
       }),
       priority: DATA_GATHERING_QUEUE_PRIORITY_HIGH
@@ -427,7 +427,6 @@ export class DataGatheringService {
     return (
       await this.prismaService.marketData.groupBy({
         by: ['dataSource', 'symbol'],
-        orderBy: [{ symbol: 'asc' }],
         where: {
           date: { gte: getStartOfUtcDate(subDays(new Date(), 1)) },
           isCarriedForward: false,
@@ -439,11 +438,11 @@ export class DataGatheringService {
     });
   }
 
-  private async getCurrencies7D({
+  private getCurrencies7D({
     assetProfileIdentifiersWithRecentMarketData
   }: {
     assetProfileIdentifiersWithRecentMarketData: AssetProfileIdentifier[];
-  }): Promise<DataGatheringItem[]> {
+  }): DataGatheringItem[] {
     return this.exchangeRateDataService
       .getCurrencyPairs()
       .filter(({ dataSource, symbol }) => {