updated ib handler

apps/stock/data-ingestion/src/handlers/ib/ib.handler.ts

@@ -14,13 +14,19 @@ export class IbHandler extends BaseHandler {
   }
 
   @Operation('fetch-session')
-  fetchSession = fetchSession;
+  async fetchSession(): Promise<Record<string, string> | undefined> {
+    return fetchSession(this);
+  }
 
   @Operation('fetch-exchanges')
-  fetchExchanges = fetchExchanges;
+  async fetchExchanges(): Promise<unknown[] | null> {
+    return fetchExchanges(this);
+  }
 
   @Operation('fetch-symbols')
-  fetchSymbols = fetchSymbols;
+  async fetchSymbols(): Promise<unknown[] | null> {
+    return fetchSymbols(this);
+  }
 
   @Operation('ib-exchanges-and-symbols')
   @ScheduledOperation('ib-exchanges-and-symbols', '0 0 * * 0', {
@@ -28,6 +34,9 @@ export class IbHandler extends BaseHandler {
     description: 'Fetch and update IB exchanges and symbols data',
     immediately: false,
   })
-  fetchExchangesAndSymbols = fetchExchangesAndSymbols;
+  async fetchExchangesAndSymbols(): Promise<unknown> {
+    return fetchExchangesAndSymbols(this);
+  }
 }
 
+