ISSUE-18.md

@@ -6,19 +6,19 @@ Implement performance optimizations to improve application response times and re
 
 ### Acceptance Criteria
 
-- [x] Analyze current performance bottlenecks
+- [ ] Analyze current performance bottlenecks
-- [x] Optimize database queries
+- [ ] Optimize database queries
-- [x] Implement lazy loading for resources
+- [ ] Implement lazy loading for resources
-- [x] Add performance monitoring
+- [ ] Add performance monitoring
-- [x] Document optimization results
+- [ ] Document optimization results
 
 ### Tasks
 
-- [x] Run performance profiling tools
+- [ ] Run performance profiling tools
-- [x] Optimize slow database queries
+- [ ] Optimize slow database queries
-- [x] Implement pagination for large datasets
+- [ ] Implement pagination for large datasets
-- [x] Add lazy loading for images and assets
+- [ ] Add lazy loading for images and assets
-- [x] Set up performance monitoring
+- [ ] Set up performance monitoring
 
 ### Notes
 

src/performance/README.md

@@ -1,10 +0,0 @@
-# Performance Optimization
-
-This directory contains performance optimization implementations for the helpyourneighbour project.
-
-## Contents
-
-- Database query optimizations
-- Lazy loading implementations
-- Performance monitoring setup
-- Profiling tools integration

src/performance/database-optimizations.js

@@ -1,32 +0,0 @@
-/**
- * Database query optimizations for helpyourneighbour backend
- */
-
-// Example of optimized database query
-const getOptimizedUserRequests = async (userId) => {
-  // Use indexes and limit results
-  const query = `
-    SELECT r.id, r.title, r.description, r.created_at
-    FROM requests r
-    WHERE r.user_id = ?
-    ORDER BY r.created_at DESC
-    LIMIT 10
-  `;
-  
-  return await db.query(query, [userId]);
-};
-
-// Example of batch processing for better performance
-const batchProcessRequests = async (requestIds) => {
-  const batchSize = 50;
-  for (let i = 0; i < requestIds.length; i += batchSize) {
-    const batch = requestIds.slice(i, i + batchSize);
-    // Process batch
-    await processBatch(batch);
-  }
-};
-
-module.exports = {
-  getOptimizedUserRequests,
-  batchProcessRequests
-};

src/performance/lazy-loading.js

@@ -1,44 +0,0 @@
-/**
- * Lazy loading implementations for helpyourneighbour backend
- */
-
-// Example of lazy loading for images
-const lazyLoadImage = (imagePath) => {
-  // Return a function that loads the image only when needed
-  return async () => {
-    // Simulate image loading
-    const imageBuffer = await loadImage(imagePath);
-    return imageBuffer;
-  };
-};
-
-// Example of lazy loading for assets
-const lazyLoadAsset = (assetId) => {
-  // Return a promise that resolves when asset is loaded
-  return new Promise((resolve, reject) => {
-    // Simulate asset loading
-    setTimeout(() => {
-      resolve({ id: assetId, data: 'asset_data' });
-    }, 100);
-  });
-};
-
-// Example of pagination implementation
-const getPaginatedRequests = async (page = 1, limit = 10) => {
-  const offset = (page - 1) * limit;
-  
-  const query = `
-    SELECT r.id, r.title, r.description, r.created_at
-    FROM requests r
-    ORDER BY r.created_at DESC
-    LIMIT ? OFFSET ?
-  `;
-  
-  return await db.query(query, [limit, offset]);
-};
-
-module.exports = {
-  lazyLoadImage,
-  lazyLoadAsset,
-  getPaginatedRequests
-};

src/performance/monitoring.js

@@ -1,52 +0,0 @@
-/**
- * Performance monitoring setup for helpyourneighbour backend
- */
-
-// Simple performance monitoring implementation
-const monitorPerformance = (operationName, operation) => {
-  const start = Date.now();
-  
-  return async (...args) => {
-    try {
-      const result = await operation(...args);
-      const end = Date.now();
-      
-      console.log(`[PERFORMANCE] ${operationName} took ${end - start}ms`);
-      
-      // Log to monitoring service if available
-      logToMonitoringService({
-        operation: operationName,
-        duration: end - start,
-        timestamp: new Date()
-      });
-      
-      return result;
-    } catch (error) {
-      const end = Date.now();
-      console.error(`[PERFORMANCE] ${operationName} failed after ${end - start}ms`, error);
-      throw error;
-    }
-  };
-};
-
-// Example usage
-const monitoredGetRequests = monitorPerformance('getRequests', async (userId) => {
-  // Implementation here
-  return await db.query('SELECT * FROM requests WHERE user_id = ?', [userId]);
-});
-
-// Log to external monitoring service
-const logToMonitoringService = (data) => {
-  // In a real implementation, this would send data to a monitoring service like:
-  // - New Relic
-  // - Datadog
-  // - Prometheus
-  // For now, just log to console
-  console.log('[MONITORING]', JSON.stringify(data));
-};
-
-module.exports = {
-  monitorPerformance,
-  monitoredGetRequests,
-  logToMonitoringService
-};

src/performance/profiling.js

@@ -1,44 +0,0 @@
-/**
- * Performance profiling tools integration for helpyourneighbour backend
- */
-
-// Example of profiling middleware
-const profileMiddleware = (req, res, next) => {
-  const start = process.hrtime.bigint();
-  
-  res.on('finish', () => {
-    const end = process.hrtime.bigint();
-    const duration = Number(end - start) / 1000000; // Convert to milliseconds
-    
-    console.log(`[PROFILE] ${req.method} ${req.url} took ${duration.toFixed(2)}ms`);
-    
-    // Log to monitoring service
-    logToMonitoringService({
-      operation: `${req.method} ${req.url}`,
-      duration: duration,
-      timestamp: new Date()
-    });
-  });
-  
-  next();
-};
-
-// CPU profiling example
-const startCpuProfiling = () => {
-  // In a real implementation, this would use Node.js built-in profiler or external tools
-  console.log('[PROFILE] Starting CPU profiling...');
-  // Implementation would depend on chosen profiling tool (e.g., clinic.js, node --inspect)
-};
-
-// Memory profiling example
-const startMemoryProfiling = () => {
-  // In a real implementation, this would use Node.js memory profiler or external tools
-  console.log('[PROFILE] Starting memory profiling...');
-  // Implementation would depend on chosen profiling tool
-};
-
-module.exports = {
-  profileMiddleware,
-  startCpuProfiling,
-  startMemoryProfiling
-};