backend v4 half

SerpentRace_Backend/repository-demo.ts

@@ -0,0 +1,84 @@
+import { AppDataSource } from './ormconfig';
+import { RepositoryManager } from './src/Repository/RepositoryManager';
+import { appLogger } from './src/Utils/EnhancedLogger';
+
+// Example usage of the repository system with integrated logging
+async function demonstrateRepositorySystem() {
+    try {
+        await appLogger.info('Starting repository system demonstration');
+
+        // Initialize database connection
+        if (!AppDataSource.isInitialized) {
+            await AppDataSource.initialize();
+            await appLogger.info('Database connection initialized');
+        }
+
+        // Create repository manager
+        const repositoryManager = new RepositoryManager(AppDataSource);
+
+        // Example 1: User Repository Operations
+        const userRepository = repositoryManager.getUserRepository();
+        
+        // Find all users (automatically logged)
+        const users = await userRepository.findAll();
+        await appLogger.info(`Found ${users.length} users`);
+
+        // Example 2: Company Repository Operations
+        const companyRepository = repositoryManager.getCompanyRepository();
+        
+        // Find companies with pagination (automatically logged)
+        const companiesPage = await companyRepository.findWithPagination(1, 10);
+        await appLogger.info(`Found ${companiesPage.total} companies, showing page 1 with ${companiesPage.data.length} items`);
+
+        // Example 3: Cards Repository Operations
+        const cardsRepository = repositoryManager.getCardsRepository();
+        
+        // Count all cards (automatically logged)
+        const cardCount = await cardsRepository.count();
+        await appLogger.info(`Total cards in system: ${cardCount}`);
+
+        // Example 4: Transaction example (automatically logged)
+        const result = await userRepository.withTransaction(async (manager) => {
+            // Transaction operations would go here
+            return 'Transaction completed successfully';
+        });
+        
+        await appLogger.info(`Transaction result: ${result}`);
+
+        // Close connection
+        await repositoryManager.closeConnection();
+        await appLogger.info('Repository system demonstration completed');
+
+    } catch (error) {
+        await appLogger.errorEvent(
+            error instanceof Error ? error.message : String(error),
+            'repository_demo',
+            {
+                operation: 'demonstration',
+                stack: error instanceof Error ? error.stack : undefined
+            }
+        );
+        throw error;
+    }
+}
+
+// Export for potential usage
+export { demonstrateRepositorySystem };
+
+// Example of how to use in your application
+/*
+Usage example:
+
+import { demonstrateRepositorySystem } from './demo/repository-demo';
+
+// In your main application file
+async function main() {
+    try {
+        await demonstrateRepositorySystem();
+    } catch (error) {
+        console.error('Demo failed:', error);
+    }
+}
+
+main();
+*/