feat: delete inactive users and index

* missing files

src/utils/inactive-user/redis/inactive-user.js

@@ -0,0 +1,22 @@
+class InactiveUser {
+  static REDIS_KEY = 'users-inactivated';
+
+  constructor(redis) {
+    this.redis = redis;
+  }
+
+  get(interval) {
+    const expire = Date.now() - (interval * 1000);
+    return this.redis.zrangebyscore(InactiveUser.REDIS_KEY, '-inf', expire);
+  }
+
+  add(userId, createTime, redis = this.redis) {
+    return redis.zadd(InactiveUser.REDIS_KEY, createTime, userId);
+  }
+
+  remove(userId, redis = this.redis) {
+    return redis.zrem(InactiveUser.REDIS_KEY, userId);
+  }
+}
+
+module.exports = InactiveUser;

src/utils/user/redis/user.js

@@ -0,0 +1,26 @@
+const DeleteCommand = require('./delete-command');
+
+class User {
+  constructor(redis) {
+    this.redis = redis;
+  }
+
+  delete(userId, redis = this.redis) {
+    const deleteCommand = new DeleteCommand(redis);
+    return deleteCommand.execute(userId);
+  }
+
+  async getUserEmail(userIds) {
+    const ids = Array.isArray(userIds) ? userIds : [userIds];
+    const pipeline = this.redis.pipeline();
+
+    for (const id of ids) {
+      pipeline.hget(`${id}!data`, 'username');
+    }
+
+    const result = await pipeline.exec().map(([, res]) => res);
+    return Array.isArray(userIds) ? result : result[0];
+  }
+}
+
+module.exports = User;