rsshub/lib/routes/ithome/ranking.ts

Make RSS Great Again!

import InvalidParameterError from '@/errors/types/invalid-parameter';
import { Route } from '@/types';
import cache from '@/utils/cache';
import got from '@/utils/got';
import { load } from 'cheerio';

export const route: Route = {
    path: '/ranking/:type',
    categories: ['new-media'],
    example: '/ithome/ranking/24h',
    parameters: { type: '类别' },
    features: {
        requireConfig: false,
        requirePuppeteer: false,
        antiCrawler: false,
        supportBT: false,
        supportPodcast: false,
        supportScihub: false,
    },
    name: '热榜',
    maintainers: ['immmortal', 'luyuhuang'],
    handler,
    description: `| 24h           | 7days    | monthly |
| ------------- | -------- | ------- |
| 24 小时阅读榜 | 7 天最热 | 月榜    |`,
};

async function handler(ctx) {
    const option = ctx.req.param('type');

    const response = await got({
        method: 'get',
        url: 'https://www.ithome.com/block/rank.html',
    });
    const $ = load(response.data);

    const config = {
        '24h': '24 小时最热',
        '7days': '7 天最热',
        monthly: '月榜',
    };

    const type2id = {
        '24h': 'd-1',
        '7days': 'd-2',
        monthly: 'd-3',
    };

    const title = config[option];
    const id = type2id[option];

    if (!id) {
        throw new InvalidParameterError('Bad type. See <a href="https://docs.rsshub.app/routes/new-media#it-zhi-jia">https://docs.rsshub.app/routes/new-media#it-zhi-jia</a>');
    }

    const list = $(`#${id} > li`)
        .toArray()
        .map((item) => {
            const info = {
                title: $(item).find('a').text(),
                link: $(item).find('a').attr('href'),
            };
            return info;
        });

    const items = await Promise.all(
        list.map((item) =>
            cache.tryGet(item.link, async () => {
                const res = await got({
                    method: 'get',
                    url: item.link,
                });
                const content = load(res.data);
                const paragraph = content('#paragraph');
                paragraph.find('img[data-original]').each((_, ele) => {
                    ele = $(ele);
                    ele.attr('src', ele.attr('data-original'));
                    ele.removeAttr('class');
                    ele.removeAttr('data-original');
                });
                item.description = paragraph.html();
                item.pubDate = new Date(content('#pubtime_baidu').text() + ' GMT+8').toUTCString();
                return item;
            })
        )
    );

    return {
        title: `IT之家-${title}`,
        link: 'https://www.ithome.com',
        item: items,
    };
}