refactoring handlers

apps/data-service/src/handlers/qm/operations/exchanges.operations.ts

@@ -0,0 +1,42 @@
+/**
+ * QM Exchanges Operations - Exchange fetching functionality
+ */
+
+import { OperationContext } from '@stock-bot/utils';
+import type { Logger } from '@stock-bot/logger';
+
+import { initializeQMResources } from './session.operations';
+
+export async function fetchExchanges(parentLogger?: Logger): Promise<unknown[] | null> {
+  const ctx = OperationContext.create('qm', 'exchanges', parentLogger);
+  
+  try {
+    // Ensure resources are initialized
+    const { QMSessionManager } = await import('../shared/session-manager');
+    const sessionManager = QMSessionManager.getInstance();
+    
+    if (!sessionManager.getInitialized()) {
+      await initializeQMResources(parentLogger);
+    }
+
+    ctx.logger.info('QM exchanges fetch - not implemented yet');
+    
+    // Cache the "not implemented" status
+    await ctx.cache.set('fetch-status', {
+      implemented: false,
+      message: 'QM exchanges fetching not yet implemented',
+      timestamp: new Date().toISOString()
+    }, { ttl: 3600 });
+
+    // TODO: Implement QM exchanges fetching logic
+    // This could involve:
+    // 1. Querying existing exchanges from MongoDB
+    // 2. Making API calls to discover new exchanges
+    // 3. Processing and storing exchange metadata
+    
+    return null;
+  } catch (error) {
+    ctx.logger.error('Failed to fetch QM exchanges', { error });
+    return null;
+  }
+}