Add refresh for redis cache

2019-01-24 22:50:32 +00:00 · 2019-01-24 22:50:32 +00:00 · 3dce787c47
parent 313fd8ef76
commit 3dce787c47
1 changed files with 7 additions and 1 deletions
--- a/lib/middleware/redis-cache.js
+++ b/lib/middleware/redis-cache.js
@ -43,7 +43,13 @@ module.exports = function(options = {}) {
    options.app.context.cache = {
        get: async (key) => {
            if (key) {
-                return await redisClient.get(key);
+                const value = await redisClient.get(key);
+                if (value) {
+                    let ttl = redisClient.ttl(key);
+                    ttl = ttl > expire ? ttl : expire * 2;
+                    await redisClient.setex(key, ttl, value);
+                }
+                return value;
            }
        },
        set: async (key, value, maxAge) => {