From 418581587afda903a6f1c05140c2dce0c7797dd5 Mon Sep 17 00:00:00 2001
From: Thomas Kaul <4159106+dtslvr@users.noreply.github.com>
Date: Thu, 19 Mar 2026 19:31:31 +0100
Subject: [PATCH] Task/implement OnModuleInit interface in data provider
 services (#6449)

* Implement OnModuleInit interface
---
 .../alpha-vantage/alpha-vantage.service.ts           | 10 +++++++---
 .../data-provider/coingecko/coingecko.service.ts     | 12 +++++++-----
 .../eod-historical-data.service.ts                   | 10 +++++++---
 .../financial-modeling-prep.service.ts               | 10 +++++++---
 4 files changed, 28 insertions(+), 14 deletions(-)

diff --git a/apps/api/src/services/data-provider/alpha-vantage/alpha-vantage.service.ts b/apps/api/src/services/data-provider/alpha-vantage/alpha-vantage.service.ts
index 6030e62d4..40b45a115 100644
--- a/apps/api/src/services/data-provider/alpha-vantage/alpha-vantage.service.ts
+++ b/apps/api/src/services/data-provider/alpha-vantage/alpha-vantage.service.ts
@@ -16,7 +16,7 @@ import {
   LookupResponse
 } from '@ghostfolio/common/interfaces';
 
-import { Injectable } from '@nestjs/common';
+import { Injectable, OnModuleInit } from '@nestjs/common';
 import { DataSource, SymbolProfile } from '@prisma/client';
 import Alphavantage from 'alphavantage';
 import { format, isAfter, isBefore, parse } from 'date-fns';
@@ -24,12 +24,16 @@ import { format, isAfter, isBefore, parse } from 'date-fns';
 import { AlphaVantageHistoricalResponse } from './interfaces/interfaces';
 
 @Injectable()
-export class AlphaVantageService implements DataProviderInterface {
+export class AlphaVantageService
+  implements DataProviderInterface, OnModuleInit
+{
   public alphaVantage;
 
   public constructor(
     private readonly configurationService: ConfigurationService
-  ) {
+  ) {}
+
+  public onModuleInit() {
     this.alphaVantage = Alphavantage({
       key: this.configurationService.get('API_KEY_ALPHA_VANTAGE')
     });
diff --git a/apps/api/src/services/data-provider/coingecko/coingecko.service.ts b/apps/api/src/services/data-provider/coingecko/coingecko.service.ts
index d0d96acac..d5ed69d06 100644
--- a/apps/api/src/services/data-provider/coingecko/coingecko.service.ts
+++ b/apps/api/src/services/data-provider/coingecko/coingecko.service.ts
@@ -17,7 +17,7 @@ import {
   LookupResponse
 } from '@ghostfolio/common/interfaces';
 
-import { Injectable, Logger } from '@nestjs/common';
+import { Injectable, Logger, OnModuleInit } from '@nestjs/common';
 import {
   AssetClass,
   AssetSubClass,
@@ -27,13 +27,15 @@ import {
 import { format, fromUnixTime, getUnixTime } from 'date-fns';
 
 @Injectable()
-export class CoinGeckoService implements DataProviderInterface {
-  private readonly apiUrl: string;
-  private readonly headers: HeadersInit = {};
+export class CoinGeckoService implements DataProviderInterface, OnModuleInit {
+  private apiUrl: string;
+  private headers: HeadersInit = {};
 
   public constructor(
     private readonly configurationService: ConfigurationService
-  ) {
+  ) {}
+
+  public onModuleInit() {
     const apiKeyDemo = this.configurationService.get('API_KEY_COINGECKO_DEMO');
     const apiKeyPro = this.configurationService.get('API_KEY_COINGECKO_PRO');
 
diff --git a/apps/api/src/services/data-provider/eod-historical-data/eod-historical-data.service.ts b/apps/api/src/services/data-provider/eod-historical-data/eod-historical-data.service.ts
index cd20fca44..8c718108c 100644
--- a/apps/api/src/services/data-provider/eod-historical-data/eod-historical-data.service.ts
+++ b/apps/api/src/services/data-provider/eod-historical-data/eod-historical-data.service.ts
@@ -22,7 +22,7 @@ import {
 } from '@ghostfolio/common/interfaces';
 import { MarketState } from '@ghostfolio/common/types';
 
-import { Injectable, Logger } from '@nestjs/common';
+import { Injectable, Logger, OnModuleInit } from '@nestjs/common';
 import {
   AssetClass,
   AssetSubClass,
@@ -33,14 +33,18 @@ import { addDays, format, isSameDay, isToday } from 'date-fns';
 import { isNumber } from 'lodash';
 
 @Injectable()
-export class EodHistoricalDataService implements DataProviderInterface {
+export class EodHistoricalDataService
+  implements DataProviderInterface, OnModuleInit
+{
   private apiKey: string;
   private readonly URL = 'https://eodhistoricaldata.com/api';
 
   public constructor(
     private readonly configurationService: ConfigurationService,
     private readonly symbolProfileService: SymbolProfileService
-  ) {
+  ) {}
+
+  public onModuleInit() {
     this.apiKey = this.configurationService.get('API_KEY_EOD_HISTORICAL_DATA');
   }
 
diff --git a/apps/api/src/services/data-provider/financial-modeling-prep/financial-modeling-prep.service.ts b/apps/api/src/services/data-provider/financial-modeling-prep/financial-modeling-prep.service.ts
index 2b4193af5..27391130e 100644
--- a/apps/api/src/services/data-provider/financial-modeling-prep/financial-modeling-prep.service.ts
+++ b/apps/api/src/services/data-provider/financial-modeling-prep/financial-modeling-prep.service.ts
@@ -23,7 +23,7 @@ import {
 } from '@ghostfolio/common/interfaces';
 import { MarketState } from '@ghostfolio/common/types';
 
-import { Injectable, Logger } from '@nestjs/common';
+import { Injectable, Logger, OnModuleInit } from '@nestjs/common';
 import {
   AssetClass,
   AssetSubClass,
@@ -44,7 +44,9 @@ import {
 import { uniqBy } from 'lodash';
 
 @Injectable()
-export class FinancialModelingPrepService implements DataProviderInterface {
+export class FinancialModelingPrepService
+  implements DataProviderInterface, OnModuleInit
+{
   private static countriesMapping = {
     'Korea (the Republic of)': 'South Korea',
     'Russian Federation': 'Russia',
@@ -57,7 +59,9 @@ export class FinancialModelingPrepService implements DataProviderInterface {
     private readonly configurationService: ConfigurationService,
     private readonly cryptocurrencyService: CryptocurrencyService,
     private readonly prismaService: PrismaService
-  ) {
+  ) {}
+
+  public onModuleInit() {
     this.apiKey = this.configurationService.get(
       'API_KEY_FINANCIAL_MODELING_PREP'
     );