'use strict';
const { CrudService } = require('naf-framework-mongoose-free/lib/service');
const { BusinessError, ErrorCode } = require('naf-core').Error;
const _ = require('lodash');
const assert = require('assert');

//
class UserService extends CrudService {
  constructor(ctx) {
    super(ctx, 'user');
    this.redis = this.app.redis;
    this.deleteUserKey = 'deleteUser:';
    this.redisTimeout = this.app.config.redisTimeout;
  }
  /**
   * 生成操作key
   * @param {String} opera_id 操作人id
   * @param {String} target 操作对象数据
   */
  async getDeleteUserKey(opera_id, target) {
    // 生成key
    const key = `${this.deleteUserKey}${opera_id}`;
    // 存储该key可操作的人
    await this.redis.set(key, target, 'EX', this.redisTimeout);
    // 返回key
    return key;
  }
  /**
   * 解析key数据
   * @param {Object} key 操作key
   */
  async getKeyData(key) {
    const target = await this.redis.get(key);
    if (target) await this.redis.del(key);
    const arr = key.split(this.deleteUserKey);
    const opera_id = _.last(arr);
    return { opera_id, target };
  }
}

module.exports = UserService;