cache.ts•785 B
import { Request, Response, NextFunction } from 'express';
import { cacheManager } from '../utils/cache';
export const cacheMiddleware = (type: string) => {
return async (req: Request, res: Response, next: NextFunction) => {
const key = type === 'search' ?
cacheManager.generateSearchKey(req.body) :
cacheManager.generateAnalysisKey(req.body);
const cachedData = cacheManager.get(key);
if (cachedData) {
// Add cache headers
res.setHeader('Cache-Control', 'public, max-age=3600');
res.setHeader('ETag', `"${key}"`);
return res.json({ success: true, results: cachedData });
}
// Store the key for later use
res.locals.cacheKey = key;
next();
};
};