added intial processing service

apps/processing-service/src/services/index.ts

@@ -0,0 +1,4 @@
+/**
+ * Services exports for processing service
+ */
+export { ProcessingServiceManager, processingServiceManager } from './processing.service';

apps/processing-service/src/services/processing.service.ts

@@ -0,0 +1,113 @@
+/**
+ * Processing Service Manager
+ * 
+ * Manages the core processing operations for the processing service
+ */
+import { getLogger } from '@stock-bot/logger';
+
+const logger = getLogger('processing-service-manager');
+
+export class ProcessingServiceManager {
+  private isInitialized = false;
+
+  async initialize(): Promise<void> {
+    if (this.isInitialized) {
+      logger.warn('Processing service manager already initialized');
+      return;
+    }
+
+    logger.info('Initializing processing service manager...');
+
+    try {
+      // TODO: Initialize processing components
+      // - Technical indicators engine
+      // - Data transformation pipeline
+      // - Event listeners for data events
+      // - Job queues for processing tasks
+      
+      this.isInitialized = true;
+      logger.info('Processing service manager initialized successfully');
+    } catch (error) {
+      logger.error('Failed to initialize processing service manager', { error });
+      throw error;
+    }
+  }
+
+  async shutdown(): Promise<void> {
+    if (!this.isInitialized) {
+      logger.warn('Processing service manager not initialized, nothing to shutdown');
+      return;
+    }
+
+    logger.info('Shutting down processing service manager...');
+
+    try {
+      // TODO: Cleanup processing components
+      // - Stop job processing
+      // - Close database connections
+      // - Cleanup event listeners
+      
+      this.isInitialized = false;
+      logger.info('Processing service manager shut down successfully');
+    } catch (error) {
+      logger.error('Error shutting down processing service manager', { error });
+      throw error;
+    }
+  }
+
+  /**
+   * Process data with technical indicators
+   */
+  async processData(dataType: string, data: unknown[]): Promise<{
+    status: string;
+    dataType: string;
+    inputCount: number;
+    outputCount: number;
+    processedAt: Date;
+    processingTime: number;
+  }> {
+    if (!this.isInitialized) {
+      throw new Error('Processing service manager not initialized');
+    }
+
+    logger.info(`Processing ${data.length} records of type: ${dataType}`);
+
+    try {
+      // TODO: Implement actual processing logic
+      // - Apply technical indicators
+      // - Calculate signals
+      // - Transform data format
+      // - Save processed results
+      
+      const result = {
+        status: 'success',
+        dataType,
+        inputCount: data.length,
+        outputCount: data.length, // Placeholder
+        processedAt: new Date(),
+        processingTime: 0 // Placeholder
+      };
+
+      logger.info('Data processing completed', result);
+      return result;
+
+    } catch (error) {
+      logger.error('Data processing failed', { error, dataType, inputCount: data.length });
+      throw error;
+    }
+  }
+
+  /**
+   * Get processing service status
+   */
+  getStatus() {
+    return {
+      initialized: this.isInitialized,
+      status: this.isInitialized ? 'ready' : 'not_initialized',
+      timestamp: new Date().toISOString()
+    };
+  }
+}
+
+// Export singleton instance
+export const processingServiceManager = new ProcessingServiceManager();