fix: fix bugs and structure

src/common/modules/redis/providers/redis.service.ts

@@ -1,6 +1,7 @@
 import { Inject, Injectable } from '@nestjs/common';
 import { REDIS } from '../constants/redis.constants';
 import Redis from 'ioredis';
+import { randomUUID } from 'crypto';
 
 @Injectable()
 export class RedisService {
@@ -38,6 +39,22 @@ export class RedisService {
     return await this.redis.del(key);
   }
 
+  async acquireLock(key: string, ttlSeconds = 5): Promise<string | null> {
+    const token = randomUUID();
+
+    const result = await this.redis.set(key, token, 'EX', ttlSeconds, 'NX');
+
+    return result === 'OK' ? token : null;
+  }
+
+  async releaseLock(key: string, token: string): Promise<void> {
+    const value = await this.redis.get(key);
+
+    if (value === token) {
+      await this.redis.del(key);
+    }
+  }
+
   async onModuleDestroy() {
     await this.redis.quit();
   }