ic-ctbu-backend/apis/Corn/StartAutoLepao.js

const API = require("../../lib/API");
const db = require('../../plugin/DataBase/db')
const Redis = require('../../plugin/DataBase/Redis')
const mq = require('../../plugin/mq')

const { BaseStdResponse } = require("../../BaseStdResponse");

class StartAutoLepao extends API {
    constructor() {
        super();

        this.noEncrypt()
        this.setPath('/Corn/StartAutoLepao');
        this.setMethod('GET');
    }

    async onRequest(req, res) {
        try {
            res.json({
                ...BaseStdResponse.OK
            })

            const day = new Date().getDay()
            const hour = new Date().getHours()
            this.logger.info('开始执行自动乐跑任务')
            let sql = `
                        SELECT name, create_user, student_num, token, uid, school_id, state
                        FROM lepao_account
                        WHERE auto_run = 1
                            AND (auto_time = ? OR (auto_time = -1 AND today_auto_time = ?))
                            AND JSON_CONTAINS(auto_day, CAST(? AS JSON))
                        `
            let r = await db.query(sql, [hour, hour, day])
            if (!r)
                return this.logger.error('获取自动乐跑账号失败！')

            // 为本小时内随机打散投递时间，减轻瞬时并发（0 ~ 当前小时剩余毫秒数）
            const nowMs = Date.now()
            const hourEnd = new Date()
            hourEnd.setHours(hourEnd.getHours() + 1, 0, 0, 0)
            const spreadWindowMs = Math.max(0, hourEnd.getTime() - nowMs)

            let channel
            try {
                channel = await mq.getChannel('lepao_corn')
                await channel.assertQueue('runforge_task_queue', { durable: true })
            } catch (err) {
                this.logger.error(`自动乐跑：连接 MQ 失败：${err.message || err}`)
                return
            }

            for (const item of r) {
                const { name, create_user, student_num, token, uid, school_id, state } = item

                const isSuccess = await Redis.get(`lepaoSuccess:${student_num}`)
                if (isSuccess) {
                    this.logger.info(`${name}(${student_num})当天已乐跑成功，不执行自动乐跑`)
                    continue
                }

                const delayMs = spreadWindowMs > 0 ? Math.floor(Math.random() * spreadWindowMs) : 0
                const fireAt = nowMs + delayMs

                this.logger.info(`${name}(${student_num})将加入自动乐跑队列（延迟约 ${Math.round(delayMs / 1000)}s）`)

                setTimeout(() => {
                    try {
                        const taskId = `lepao:auto:${fireAt}:${student_num}`
                        const payload = {
                            id: taskId,
                            type: 'lepao.startRun',
                            data: {
                                taskId,
                                account: student_num
                            },
                            retry: 0
                        }

                        channel.sendToQueue(
                            'runforge_task_queue',
                            Buffer.from(JSON.stringify(payload)),
                            { persistent: true, contentType: 'application/json' }
                        )
                        this.logger.info(`${name}(${student_num})已投递自动乐跑任务（延迟约 ${Math.round(delayMs / 1000)}s）`)
                    } catch (err) {
                        this.logger.error(`${name}(${student_num})乐跑投递失败：${err.message || err}`)
                    }
                }, delayMs)
            }
        } catch (error) {
            this.logger.error(error)
        }
    }
}

module.exports.StartAutoLepao = StartAutoLepao;