MStore API Optimizer

A WordPress plugin that dramatically improves the performance of MStore API endpoints for large shopping carts and product search, reducing response times from 30+ seconds to under 1 second.

🚀 Performance Improvements

Cart Processing (Shipping & Payment Methods)

• Before: 30+ seconds for 50+ items (often timeout)
• After: <1 second for 50+ items
• Improvement: 95%+ faster response times

Product Search (New in v1.1.0)

• Before: 2-5 seconds per search query
• After: <100ms for cached searches
• Improvement: 95-98% faster for popular searches

🔧 Problems Solved

1. Slow Cart Processing

The MStore API plugin's shipping_methods and payment_methods endpoints suffer from severe performance issues when processing carts with many products. Each cart item triggers expensive WooCommerce callbacks, causing:

• ⏱️ 30+ second response times
• ⚠️ Frequent timeouts
• 📱 Poor mobile app user experience
• 💔 Cart abandonment

2. Slow Product Search

Product search queries hit the database every time, causing:

• ⏱️ 2-5 second search response times
• 🐌 Slow user experience for repeat searches
• 💾 Unnecessary database load for popular searches
• 📱 Users abandoning search due to slowness

✅ Solutions

Cart Optimization

This plugin intercepts the problematic endpoints before MStore processes them and applies optimized batch processing:

1. Batch Operations: Process all cart items at once instead of individually
2. Hook Management: Temporarily disable expensive WooCommerce hooks during processing
3. Single Calculation: Calculate cart totals once instead of per-item
4. Update-Safe: Survives MStore API plugin updates

Search Caching (New in v1.1.0)

Intelligent caching system for product search queries:

1. Smart Caching: Cache search results using WordPress Transients API
2. Automatic Expiration: 5-30 minute cache based on search term length
3. Auto-Invalidation: Cache cleared when products are updated
4. Zero Config: Works immediately, upgrades to Redis if available

📋 Features

Core Features

• ✅ Zero Configuration: Works immediately after activation
• ✅ Update-Safe: Doesn't modify original MStore files
• ✅ Backward Compatible: Maintains all original functionality
• ✅ Debug Logging: Built-in performance monitoring
• ✅ Lightweight: Minimal resource usage

Search Caching Features (v1.1.0)

• ✅ Intelligent Caching: Automatic result caching for search queries
• ✅ Smart Expiration: 5-30 min cache based on search term length
• ✅ Auto-Invalidation: Cache cleared on product updates
• ✅ Native WordPress: Uses Transients API (no plugins needed)
• ✅ Redis Ready: Automatically upgrades to Redis if available

🔧 Requirements

• WordPress: 5.0 or higher
• WooCommerce: 3.0 or higher
• MStore API: 4.0 or higher (by FluxStore team)
• PHP: 7.4 or higher

📦 Installation

From WordPress Admin

1. Download the plugin zip file
2. Go to Plugins > Add New > Upload Plugin
3. Upload the zip file and activate
4. Done! Performance improvements are immediate

Manual Installation

1. Upload the plugin folder to /wp-content/plugins/
2. Activate through Plugins menu in WordPress
3. No configuration needed

🔍 How It Works

The plugin uses WordPress REST API filters to intercept and optimize MStore endpoints:

Cart Processing

Uses rest_pre_dispatch filter to intercept:

• /wp-json/api/flutter_woo/shipping_methods
• /wp-json/api/flutter_woo/payment_methods

When called, optimized handlers process the request using efficient batch operations instead of the original item-by-item approach.

Search Caching (v1.1.0)

Uses dual-filter approach for intelligent caching:

1. rest_pre_dispatch: Checks cache before processing

   • Intercepts: /wp-json/api/flutter_woo/products?search=...
   • Cache hit → Return cached results (<100ms)
   • Cache miss → Continue to normal processing

2. rest_post_dispatch: Caches results after processing

   • Stores search results in WordPress Transients
   • Smart expiration: 5-30 min based on search length
   • Includes pagination, filters, and language in cache key

3. Auto-invalidation: Hooks into product updates

   • woocommerce_update_product → Clear cache
   • woocommerce_new_product → Clear cache
   • woocommerce_delete_product → Clear cache

📊 Performance Monitoring

The plugin includes debug logging to monitor performance:

# Check WordPress debug log
grep "MStore API Optimizer" wp-content/debug.log

Cart Processing Logs

MStore API Optimizer DEBUG: Starting shipping_methods with 42 items
MStore API Optimizer DEBUG: Cart processing took 0.597 seconds
MStore API Optimizer DEBUG: Total shipping_methods execution time 0.6 seconds

Search Caching Logs (v1.1.0)

# Cache miss (first search)
MStore API Optimizer: Cache miss for search 'أيفونة الدجاج' (cat: 0, page: 1) - processing query
MStore API Optimizer: Cached search results for 'أيفونة الدجاج' (length: 13, TTL: 1800s, cat: 0, page: 1)

# Cache hit (subsequent search)
MStore API Optimizer: Returned cached search results in 45.23ms for 'أيفونة الدجاج' (cat: 0, page: 1)

# Cache cleared
MStore API Optimizer: Cleared all search cache due to product update

Analyzing Cache Performance

# Count cache hits vs misses
grep "Cache miss" wp-content/debug.log | wc -l
grep "Returned cached" wp-content/debug.log | wc -l

# Check cache response times
grep "Returned cached.*ms" wp-content/debug.log

⚙️ Technical Details

Optimization Techniques

1. Direct Cart Operations: Uses WC()->cart->add_to_cart() directly
2. Hook Suspension: Temporarily disables these hooks during processing:
   • woocommerce_add_to_cart
   • woocommerce_cart_loaded_from_session
   • woocommerce_cart_updated
3. Batch Processing: All items processed in single operation
4. Session Management: Proper WooCommerce session initialization

Compatibility

• ✅ WooCommerce Subscriptions: Full support
• ✅ WCFM Marketplace: Location-based shipping support
• ✅ WooCommerce Multilingual: Multi-currency support
• ✅ All Payment Gateways: Including COD, Stripe, PayPal, etc.

🐛 Troubleshooting

Enable Debug Logging

Add to wp-config.php:

define('WP_DEBUG', true);
define('WP_DEBUG_LOG', true);

Common Issues

Q: Plugin not working after MStore update? A: This plugin is update-safe and shouldn't be affected. Deactivate and reactivate if needed.

Q: Still seeing slow responses? A: Check if MStore API is active and verify the endpoints are being intercepted in debug logs.

Q: Compatibility issues? A: This plugin maintains full MStore API compatibility. If issues occur, temporarily deactivate to isolate the problem.

🤝 Contributing

1. Fork the repository
2. Create a feature branch
3. Make your changes
4. Test thoroughly
5. Submit a pull request

📚 Documentation

• Search Caching Guide: Complete guide to product search caching
• CHANGELOG.md: Detailed version history

📝 Changelog

1.1.0 (2025-01-08)

• NEW: Product search caching with intelligent expiration
• NEW: Automatic cache invalidation on product updates
• NEW: Smart cache TTL based on search term length
• 95-98% faster search for cached queries
• Native WordPress Transients API (Redis-ready)

1.0.0

• Initial release
• Optimized shipping_methods endpoint
• Optimized payment_methods endpoint
• Added debug logging
• Update-safe architecture

👨‍💻 Author

Salem Aljebaly

• GitHub: @salemaljebaly

📄 License

This plugin is licensed under the GPL v2 or later.

⭐ Support

If this plugin helped improve your store's performance, please:

• ⭐ Rate it on WordPress.org
• 🐛 Report issues on GitHub
• 💡 Suggest features
• 📢 Share with other developers

Made with ❤️ for the WooCommerce & Flutter community