refactor: commands from menu

lib/cache/cache.ts

@@ -1,4 +1,5 @@
 import {
+  Bulk,
   connect,
   Redis,
   RedisConnectOptions,
@@ -14,16 +15,31 @@ async function createCache<T>(): Promise<Map<string, T> | Redis> {
     const conf: RedisConnectOptions = {
       hostname: REDIS_HOST,
       port: REDIS_PORT || 6379,
+      maxRetryCount: 2,
     };
     if (REDIS_PASS) {
       conf.password = REDIS_PASS;
     }
-    const client = await connect(conf);
-    console.log("[redis] connected");
-    return client;
+    try {
+      const client = await connect(conf);
+      console.log("[redis] connected");
+      return client;
+    } catch (_err) {
+      console.log("[cache] cant connect to redis, falling back to mock");
+    }
   }
 
-  return new Map<string, T>();
+  const mockRedis = new Map<string, RedisValue>();
+
+  return {
+    async set(key: string, value: RedisValue) {
+      mockRedis.set(key, value);
+      return value.toString();
+    },
+    async get(key: string) {
+      return mockRedis.get(key) as Bulk;
+    },
+  };
 }
 
 const cache = await createCache();