Redis cache (#4436)

* perf: add Redis cache for vector counting (#4432)

* feat: cache

* perf: get cache key

---------

Co-authored-by: a.e. <49438478+I-Info@users.noreply.github.com>

packages/service/common/redis/index.ts

@@ -1,8 +1,9 @@
+import { addLog } from '../system/log';
 import Redis from 'ioredis';
 
 const REDIS_URL = process.env.REDIS_URL ?? 'redis://localhost:6379';
 
-export function newQueueRedisConnection() {
+export const newQueueRedisConnection = () => {
   const redis = new Redis(REDIS_URL);
   redis.on('connect', () => {
     console.log('Redis connected');
@@ -11,9 +12,9 @@ export function newQueueRedisConnection() {
     console.error('Redis connection error', error);
   });
   return redis;
-}
+};
 
-export function newWorkerRedisConnection() {
+export const newWorkerRedisConnection = () => {
   const redis = new Redis(REDIS_URL, {
     maxRetriesPerRequest: null
   });
@@ -24,4 +25,19 @@ export function newWorkerRedisConnection() {
     console.error('Redis connection error', error);
   });
   return redis;
-}
+};
+
+export const getGlobalRedisCacheConnection = () => {
+  if (global.redisCache) return global.redisCache;
+
+  global.redisCache = new Redis(REDIS_URL, { keyPrefix: 'fastgpt:cache:' });
+
+  global.redisCache.on('connect', () => {
+    addLog.info('Redis connected');
+  });
+  global.redisCache.on('error', (error) => {
+    addLog.error('Redis connection error', error);
+  });
+
+  return global.redisCache;
+};