rsshub/lib/routes/codeforces/recent-actions.ts

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import { Route } from '@/types';
import ofetch from '@/utils/ofetch';
import { load } from 'cheerio';

export const route: Route = {
    path: '/recent-actions/:minrating?',
    categories: ['programming'],
    example: '/codeforces/recent-actions',
    parameters: { minrating: 'The minimum blog/comment rating required. Default: 1' },
    features: {
        requireConfig: false,
        requirePuppeteer: false,
        antiCrawler: false,
        supportBT: false,
        supportPodcast: false,
        supportScihub: false,
    },
    radar: [
        {
            source: ['codeforces.com/recent-actions'],
            target: '/recent-actions',
        },
    ],
    name: 'Recent actions',
    maintainers: [],
    handler,
    url: 'codeforces.com/recent-actions',
};

async function handler(ctx) {
    const minRating = ctx.req.param('minrating') || 1;

    const rsp = await ofetch('https://codeforces.com/api/recentActions?maxCount=100');

    const actions = rsp.result.map((action) => {
        const pubDate = new Date(action.timeSeconds * 1000);

        const blog = action.blogEntry;
        const blogId = blog.id;
        const blogTitle = load(blog.title).text();

        if (action.comment) {
            const c = action.comment;
            return {
                title: `@${c.commentatorHandle} commented on "${blogTitle}"`,
                description: load(c.text).text(),
                pubDate,
                link: `https://codeforces.com/blog/entry/${blogId}?#comment-${c.id}`,
                rating: c.rating,
            };
        }
        return {
            title: `@${blog.authorHandle} posted "${blogTitle}"`,
            description: blogTitle,
            pubDate,
            link: `https://codeforces.com/blog/entry/${blogId}`,
            rating: blog.rating,
        };
    });

    return {
        title: 'Codeforces - Recent actions',
        link: 'https://codeforces.com/recent-actions',
        item: actions
            .filter((a) => a.rating >= minRating)
            .map((a) => ({
                title: a.title,
                description: a.description,
                pubDate: a.pubDate,
                link: a.link,
            })),
    };
}