danmaku/routes/api/mgtv.js

const urlmodule = require('url');
const axios = require('axios');
const convert = require('xml-js');
const {time_to_second, make_response, content_template} = require('./utils');

function Mgtv() {
    this.name = '芒果TV'
    this.domain = 'mgtv.com'
    this.example_urls = [
        'https://www.mgtv.com/b/336727/8087768.html'
    ];

    this.resolve = async (url) => {
        const api_video_info = "https://pcweb.api.mgtv.com/video/info"
        const api_danmaku = 'https://galaxy.bz.mgtv.com/rdbarrage'
        const q = urlmodule.parse(url, true);
        const path = q.pathname.split('/');
        const cid = path.slice(-2)[0];
        const vid = path.slice(-1)[0].split('.')[0];
        const res = await axios.get(api_video_info, {params: {cid, vid}});
        this.title = res.data.data.info.videoName;
        const time = res.data.data.info.time;

        const step = 60 * 1000;
        const end_time = time_to_second(time) * 1000;
        let promises = [];
        for (let i = 0; i < end_time; i += step) {
            promises.push(axios({method: 'get', url: api_danmaku, params: {vid, cid, time: i}}));
        }
        return promises
    }

    this.parse = async (promises) => {
        let contents = [];
        const values = await Promise.all(promises)
        let datas = values.map(value => value.data)
        for (const data of datas) {
            if (data.data.items === null)
                continue;
            for (const item of data.data.items) {
                var content = JSON.parse(JSON.stringify(content_template));
                content.timepoint = item.time / 1000;
                content.content = item.content;
                content.uid = item.uid;
                contents.push(content);
            }
        }
        contents = make_response(contents)
        return contents
    }

    this.work = async (url) => {
        const promises = await this.resolve(url);
        console.log(this.name,'api lens:', promises.length)
        this.content = await this.parse(promises);
        return {
            title: this.title,
            content: this.content,
            msg: 'ok'
        }
    }

}

module.exports = Mgtv

if (!module.parent) {
    const m = new Mgtv();

    m.work(m.example_urls[0]).then(() => {
        console.log(m.content);
        console.log(m.title);
    });
}