updateweb

backend/utils/cacheInvalidation.js

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+/**
+ * Cache Invalidation Helper
+ * Add to admin routes to clear cache when data changes
+ */
+const { cache } = require("../middleware/cache");
+const logger = require("../config/logger");
+
+/**
+ * Invalidate product-related cache
+ */
+const invalidateProductCache = () => {
+  cache.deletePattern("products");
+  cache.deletePattern("featured");
+  logger.debug("Product cache invalidated");
+};
+
+/**
+ * Invalidate blog-related cache
+ */
+const invalidateBlogCache = () => {
+  cache.deletePattern("blog");
+  logger.debug("Blog cache invalidated");
+};
+
+/**
+ * Invalidate portfolio-related cache
+ */
+const invalidatePortfolioCache = () => {
+  cache.deletePattern("portfolio");
+  logger.debug("Portfolio cache invalidated");
+};
+
+/**
+ * Invalidate homepage cache
+ */
+const invalidateHomepageCache = () => {
+  cache.deletePattern("homepage");
+  logger.debug("Homepage cache invalidated");
+};
+
+/**
+ * Invalidate all caches
+ */
+const invalidateAllCache = () => {
+  cache.clear();
+  logger.info("All cache cleared");
+};
+
+module.exports = {
+  invalidateProductCache,
+  invalidateBlogCache,
+  invalidatePortfolioCache,
+  invalidateHomepageCache,
+  invalidateAllCache,
+};

backend/utils/databaseOptimizations.sql

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+-- Database Performance Optimizations for SkyArtShop
+-- Run these commands to add indexes and optimize queries
+
+-- Products table indexes
+CREATE INDEX IF NOT EXISTS idx_products_isactive ON products(isactive) WHERE isactive = true;
+CREATE INDEX IF NOT EXISTS idx_products_isfeatured ON products(isfeatured) WHERE isfeatured = true AND isactive = true;
+CREATE INDEX IF NOT EXISTS idx_products_slug ON products(slug) WHERE isactive = true;
+CREATE INDEX IF NOT EXISTS idx_products_category ON products(category) WHERE isactive = true;
+CREATE INDEX IF NOT EXISTS idx_products_createdat ON products(createdat DESC) WHERE isactive = true;
+CREATE INDEX IF NOT EXISTS idx_products_composite ON products(isactive, isfeatured, createdat DESC);
+
+-- Product images indexes
+CREATE INDEX IF NOT EXISTS idx_product_images_product_id ON product_images(product_id);
+CREATE INDEX IF NOT EXISTS idx_product_images_is_primary ON product_images(product_id, is_primary) WHERE is_primary = true;
+CREATE INDEX IF NOT EXISTS idx_product_images_display_order ON product_images(product_id, display_order, created_at);
+
+-- Blog posts indexes
+CREATE INDEX IF NOT EXISTS idx_blogposts_ispublished ON blogposts(ispublished) WHERE ispublished = true;
+CREATE INDEX IF NOT EXISTS idx_blogposts_slug ON blogposts(slug) WHERE ispublished = true;
+CREATE INDEX IF NOT EXISTS idx_blogposts_createdat ON blogposts(createdat DESC) WHERE ispublished = true;
+
+-- Portfolio projects indexes
+CREATE INDEX IF NOT EXISTS idx_portfolio_isactive ON portfolioprojects(isactive) WHERE isactive = true;
+CREATE INDEX IF NOT EXISTS idx_portfolio_display ON portfolioprojects(displayorder ASC, createdat DESC) WHERE isactive = true;
+
+-- Pages indexes
+CREATE INDEX IF NOT EXISTS idx_pages_slug ON pages(slug) WHERE isactive = true;
+CREATE INDEX IF NOT EXISTS idx_pages_isactive ON pages(isactive) WHERE isactive = true;
+
+-- Homepage sections indexes
+CREATE INDEX IF NOT EXISTS idx_homepagesections_display ON homepagesections(displayorder ASC);
+
+-- Team members indexes
+CREATE INDEX IF NOT EXISTS idx_team_members_display ON team_members(display_order ASC, created_at DESC);
+
+-- Session table optimization (if using pg-session)
+CREATE INDEX IF NOT EXISTS idx_session_expire ON session(expire);
+
+-- Analyze tables to update statistics
+ANALYZE products;
+ANALYZE product_images;
+ANALYZE blogposts;
+ANALYZE portfolioprojects;
+ANALYZE pages;
+ANALYZE homepagesections;
+ANALYZE team_members;
+
+-- Add comments for documentation
+COMMENT ON INDEX idx_products_isactive IS 'Optimizes filtering active products';
+COMMENT ON INDEX idx_products_isfeatured IS 'Optimizes featured products query';
+COMMENT ON INDEX idx_products_slug IS 'Optimizes product lookup by slug';
+COMMENT ON INDEX idx_products_composite IS 'Composite index for common query patterns';