'use strict'; const redis = require('redis'); const config = require('./config'); const redisClient = config.redis && redis.createClient(config.redis); function composeKeyword(name) { return `CHONGLEE_COUNTER_${name}}`; } exports.increment = (name) => { redisClient && redisClient.INCR(composeKeyword(name), () => {}); } exports.reset = (name) => { redisClient && redisClient.DEL(composeKeyword(name), () => {}); } exports.set = (name, value) => { redisClient && redisClient.SET(composeKeyword(name), Number(value), () => {}); } exports.get = (name) => { return new Promise((resolve) => { if (!redisClient) { resolve(0); return; } redisClient.GET(composeKeyword(name), (err, reply) => { if (err) { resolve(0); return; } resolve(Number(reply) || 0); }); }); }