rename hasHistoricalData to canHandle

apps/api/src/services/data-provider.service.ts

@@ -136,7 +136,7 @@ export class DataProviderService implements DataProviderInterface {
     }>[] = [];
     for (const { dataSource, symbol } of aDataGatheringItems) {
       const dataProvider = this.getDataProvider(dataSource);
-      if (dataProvider.hasHistoricalData(symbol)) {
+      if (dataProvider.canHandle(symbol)) {
         promises.push(
           dataProvider
             .getHistorical([symbol], undefined, from, to)

apps/api/src/services/data-provider/alpha-vantage/alpha-vantage.service.ts

@@ -24,7 +24,7 @@ export class AlphaVantageService implements DataProviderInterface {
     });
   }
 
-  public hasHistoricalData(symbol: string) {
+  public canHandle(symbol: string) {
     return this.configurationService.get('ALPHA_VANTAGE_API_KEY');
   }
 

apps/api/src/services/data-provider/ghostfolio-scraper-api/ghostfolio-scraper-api.service.ts

@@ -24,7 +24,7 @@ export class GhostfolioScraperApiService implements DataProviderInterface {
 
   public constructor(private prisma: PrismaService) {}
 
-  public hasHistoricalData(symbol: string) {
+  public canHandle(symbol: string) {
     return isGhostfolioScraperApiSymbol(symbol);
   }
 

apps/api/src/services/data-provider/rakuten-rapid-api/rakuten-rapid-api.service.ts

@@ -28,6 +28,13 @@ export class RakutenRapidApiService implements DataProviderInterface {
     private readonly configurationService: ConfigurationService
   ) {}
 
+  public canHandle(symbol: string) {
+    return (
+      isRakutenRapidApiSymbol(symbol) &&
+      this.configurationService.get('RAKUTEN_RAPID_API_KEY')
+    );
+  }
+
   public async get(
     aSymbols: string[]
   ): Promise<{ [symbol: string]: IDataProviderResponse }> {
@@ -58,13 +65,6 @@ export class RakutenRapidApiService implements DataProviderInterface {
     return {};
   }
 
-  public hasHistoricalData(symbol: string) {
-    return (
-      isRakutenRapidApiSymbol(symbol) &&
-      this.configurationService.get('RAKUTEN_RAPID_API_KEY')
-    );
-  }
-
   public async getHistorical(
     aSymbols: string[],
     aGranularity: Granularity = 'day',

apps/api/src/services/data-provider/yahoo-finance/yahoo-finance.service.ts

@@ -28,6 +28,10 @@ export class YahooFinanceService implements DataProviderInterface {
 
   public constructor() {}
 
+  public canHandle(symbol: string) {
+    return true;
+  }
+
   public async get(
     aSymbols: string[]
   ): Promise<{ [symbol: string]: IDataProviderResponse }> {
@@ -90,10 +94,6 @@ export class YahooFinanceService implements DataProviderInterface {
     }
   }
 
-  public hasHistoricalData(symbol: string) {
-    return true;
-  }
-
   public async getHistorical(
     aSymbols: string[],
     aGranularity: Granularity = 'day',

apps/api/src/services/interfaces/data-provider.interface.ts

@@ -7,7 +7,7 @@ import {
 } from './interfaces';
 
 export interface DataProviderInterface {
-  hasHistoricalData(symbol: string): boolean;
+  canHandle(symbol: string): boolean;
 
   get(aSymbols: string[]): Promise<{ [symbol: string]: IDataProviderResponse }>;