nest-api-cache/dist/services/redis-cache/redis-cache.service.js

使用redis实现nestjs接口层面的缓存

"use strict";
var __decorate = (this && this.__decorate) || function (decorators, target, key, desc) {
    var c = arguments.length, r = c < 3 ? target : desc === null ? desc = Object.getOwnPropertyDescriptor(target, key) : desc, d;
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    return c > 3 && r && Object.defineProperty(target, key, r), r;
};
var __metadata = (this && this.__metadata) || function (k, v) {
    if (typeof Reflect === "object" && typeof Reflect.metadata === "function") return Reflect.metadata(k, v);
};
var __param = (this && this.__param) || function (paramIndex, decorator) {
    return function (target, key) { decorator(target, key, paramIndex); }
};
Object.defineProperty(exports, "__esModule", { value: true });
exports.RedisCacheService = void 0;
const common_1 = require("@nestjs/common");
const constants_1 = require("./../../constants");
const Redis = require("ioredis");
let RedisCacheService = class RedisCacheService {
    constructor(redisConfig) {
        this.redisConfig = redisConfig;
    }
    onModuleInit() {
        this.client = this.connectRedis;
    }
    /**
     * @Author: 水痕
     * @Date: 2020-01-17 14:53:37
     * @LastEditors: 水痕
     * @Description: 封装设置redis缓存的方法
     * @param key {String} key值
     * @param value {String} key的值
     * @param second {Number} 过期时间秒
     * @return: Promise<any>
     */
    async set(key, value, second) {
        var _a;
        value = JSON.stringify(value);
        const client = (_a = this.client) !== null && _a !== void 0 ? _a : this.connectRedis;
        if (!second) {
            await client.set(key, value);
        }
        else {
            await client.set(key, value, 'EX', second);
        }
    }
    /**
     * @Author: 水痕
     * @Date: 2020-01-17 14:55:14
     * @LastEditors: 水痕
     * @Description: 设置获取redis缓存中的值
     * @param key {String}
     */
    async get(key) {
        var _a;
        const client = (_a = this.client) !== null && _a !== void 0 ? _a : this.connectRedis;
        const data = await client.get(key);
        if (data) {
            return JSON.parse(data);
        }
        else {
            return null;
        }
    }
    /**
     * @Author: 水痕
     * @Date: 2021-03-31 10:13:20
     * @LastEditors: 水痕
     * @Description: 连接redis句柄
     * @param {*}
     * @return {*}
     */
    get connectRedis() {
        // const redisConfig = (<IRedisApiCacheConfig>global[REDIS_CONFIG_PROVIDER])?.redisConfig;
        const { username = '', password = '', host = '127.0.0.1', port = 6379, db = 0 } = this.redisConfig || {};
        let url = null;
        if (username && password) {
            url = `redis://${username}:${password}@${host}:${port}/${db}?allowUsernameInURI=true`;
        }
        else {
            url = `redis://${host}:${port}/${db}?allowUsernameInURI=true`;
        }
        return new Redis(url);
    }
};
RedisCacheService = __decorate([
    common_1.Injectable({}),
    __param(0, common_1.Inject(constants_1.REDIS_CACHE_KEY)),
    __metadata("design:paramtypes", [Object])
], RedisCacheService);
exports.RedisCacheService = RedisCacheService;