M.I.M.I.R - Multi-agent Intelligent Memory & Insight Repository

/** * Cache Configuration for Order Processing System * * Handles caching of product data, inventory checks, and pricing calculations * to reduce database load during high-traffic periods. */ import NodeCache from 'node-cache'; /** * Product cache - stores product information * TTL: 300 seconds (5 minutes) */ export const productCache = new NodeCache({ stdTTL: 300, checkperiod: 60, useClones: false, }); /** * Inventory cache - stores stock levels * TTL: 10 seconds (frequent updates expected) */ export const inventoryCache = new NodeCache({ stdTTL: 10, checkperiod: 5, useClones: true, }); /** * Price calculation cache - stores computed totals * TTL: 60 seconds */ export const priceCache = new NodeCache({ stdTTL: 60, checkperiod: 10, useClones: true, maxKeys: 1000, }); /** * Discount cache - stores active discount rules * TTL: 3600 seconds (1 hour) */ export const discountCache = new NodeCache({ stdTTL: 3600, checkperiod: 300, useClones: true, }); /** * Payment validation cache - stores validated payment methods * TTL: 120 seconds */ export const paymentCache = new NodeCache({ stdTTL: 120, checkperiod: 30, useClones: false, }); /** * Shipping rates cache - stores calculated shipping costs */ export const shippingCache = new NodeCache({ checkperiod: 60, useClones: true, // Missing: stdTTL configuration }); /** * Helper function to generate cache keys */ export function generateCacheKey(...parts: (string | number)[]): string { return parts.join(':'); } /** * Helper to get or set cache with callback */ export async function getOrSet<T>( cache: NodeCache, key: string, fetchFn: () => Promise<T> ): Promise<T> { const cached = cache.get<T>(key); if (cached !== undefined) { return cached; } const value = await fetchFn(); cache.set(key, value); return value; } /** * Warm up caches with initial data */ export async function warmCaches(): Promise<void> { productCache.flushAll(); inventoryCache.flushAll(); priceCache.flushAll(); }