-import * as express from 'express'
+import * as apicache from 'apicache'
+import { HttpStatusCode } from '../../shared/models/http/http-error-codes'
import { Redis } from '../lib/redis'
-import { logger } from '../helpers/logger'
-async function cacheRoute (req: express.Request, res: express.Response, next: express.NextFunction) {
- const cached = await Redis.Instance.getCachedRoute(req)
-
- // Not cached
- if (!cached) {
- logger.debug('Not cached result for route %s.', req.originalUrl)
-
- const sendSave = res.send.bind(res)
-
- res.send = (body) => {
- if (res.statusCode >= 200 && res.statusCode < 400) {
- Redis.Instance.setCachedRoute(req, body, res.getHeader('content-type').toString(), res.statusCode)
- .catch(err => logger.error('Cannot cache route.', { err }))
- }
-
- return sendSave(body)
- }
-
- return next()
+// Ensure Redis is initialized
+Redis.Instance.init()
+
+const defaultOptions = {
+ redisClient: Redis.Instance.getClient(),
+ appendKey: () => Redis.Instance.getPrefix(),
+ statusCodes: {
+ exclude: [
+ HttpStatusCode.FORBIDDEN_403,
+ HttpStatusCode.NOT_FOUND_404
+ ]
}
-
- if (cached.contentType) res.contentType(cached.contentType)
-
- if (cached.statusCode) {
- const statusCode = parseInt(cached.statusCode, 10)
- if (!isNaN(statusCode)) res.status(statusCode)
- }
-
- logger.debug('Use cached result for %s.', req.originalUrl)
- return res.send(cached.body).end()
}
+const cacheRoute = (extraOptions = {}) => apicache.options({
+ ...defaultOptions,
+ ...extraOptions
+}).middleware
+
// ---------------------------------------------------------------------------
export {