@puke3615/node-red-contrib-wechat/component/wc-listen.js

一个支持微信的Node-Red插件

const ScanStatus = [
    'Unknown',
    'Cancel',
    'Waiting',
    'Scanned',
    'Confirmed',
    'Timeout',
];

function onScan(node, qrcode, status) {
    const statusValue = ScanStatus[status];
    if (statusValue in ['Waiting', 'Timeout']) {
        node.log(`请扫码登录: ${status}\nhttps://wechaty.js.org/qrcode/${encodeURIComponent(qrcode)}`);
    } else {
        node.info('扫码状态', statusValue);
    }
}

function onLogin(node, user) {
    node.log(`用户 ${user} 已登录`);
}

function onMessage(node, message) {
    try {
        const messageType = message.type();
        // MessageType.Text
        if (messageType !== 7) {
            node.log(`跳过消息类型: ${messageType}`)
            return;
        }

        node.log(`收到消息: ${message}`);
        const text = message.text();
        const talkerPayload = message.talker().payload;
        const sender = talkerPayload.alias || talkerPayload.name;
        const roomPayload = message.room()?.payload;
        const room = roomPayload ? (roomPayload.alias || roomPayload.topic) : '';

        const msg = {
            sender, text, room,
            payload: message.toString(),
        };
        node.send(msg);
        node.log(`发送消息: ${JSON.stringify(msg)}`)
    } catch (e) {
        node.error('出错了', e);
    }
}

function setup(node) {
    node.log('准备启动微信');
    const {WechatyBuilder} = require('wechaty');

    async function main() {
        const wechaty = WechatyBuilder.build({
            name: '007c9b34-c4fa-45c5-baa0-fcc6e1e70e30'
        })
        wechaty
            .on('scan', (qrcode, status) => onScan(node, qrcode, status))
            .on('login', user => onLogin(node, user))
            .on('message', message => onMessage(node, message));
        await wechaty.start()
    }

    main()
        .catch(console.error)
}

module.exports = function (RED) {
    function invoke(config) {
        RED.nodes.createNode(this, config);
        const node = this;
        node.on('input', function (msg) {
            msg.payload = msg.payload.toLowerCase();
            node.send(msg);
        });

        setup(node);
    }

    RED.nodes.registerType("wc-listen", invoke);
};