Check the cache key

Author: firassziedan

lib/cache/caching.js

@@ -43,11 +43,17 @@ class Cache {
   }
 
   generateRedisKey(request) {
-    return `${this.redisKeyPrefix}_${md5(request.body)}`
+    try {
+      const bodyData = request.body || request.res
+      return `${this.redisKeyPrefix}_${md5(bodyData)}`
+    } catch (error) {
+      return null
+    }
   }
 
   async getCache(request) {
-    if (this.enabled) {
+    const cacheKey = this.generateRedisKey(request)
+    if (this.enabled && cacheKey) {
       return new Promise((resolve, reject) => {
         this.redisClient.get(this.generateRedisKey(request), (error, value) => {
           if (error) return reject(error)
@@ -59,7 +65,8 @@ class Cache {
   }
 
   async cacheResult(request, result) {
-    if (this.enabled) {
+    const cacheKey = this.generateRedisKey(request)
+    if (this.enabled && cacheKey) {
       await this.redisClient.setex(this.generateRedisKey(request), parseInt(this.timeout), JSON.stringify(result))
     }
   }