rsshub/lib/routes/ltaaa/article.ts

Make RSS Great Again!

import { type Data, type DataItem, type Route, ViewType } from '@/types';

import { art } from '@/utils/render';
import cache from '@/utils/cache';
import ofetch from '@/utils/ofetch';
import { parseDate } from '@/utils/parse-date';

import { type CheerioAPI, type Cheerio, load } from 'cheerio';
import type { Element } from 'domhandler';
import { type Context } from 'hono';
import path from 'node:path';

export const handler = async (ctx: Context): Promise<Data> => {
    const limit: number = Number.parseInt(ctx.req.query('limit') ?? '30', 10);

    const baseUrl: string = 'https://www.ltaaa.cn';
    const targetUrl: string = new URL('article', baseUrl).href;

    const response = await ofetch(targetUrl);
    const $: CheerioAPI = load(response);
    const language = $('html').attr('lang') ?? 'zh-CN';

    let items: DataItem[] = [];

    items = $('ul.wlist li')
        .slice(0, limit)
        .toArray()
        .map((el): Element => {
            const $el: Cheerio<Element> = $(el);

            const $aEl: Cheerio<Element> = $el.find('div.li-title a');

            const title: string = $aEl.text();
            const description: string = art(path.join(__dirname, 'templates/description.art'), {
                intro: $el.find('div.dbody p').first().text(),
            });
            const pubDateStr: string | undefined = $el.find('i.icon-time').next().text().trim();
            const linkUrl: string | undefined = $aEl.attr('href');
            const authorEls: Element[] = $el.find('i.icon-user').parent().find('a').toArray();
            const authors: DataItem['author'] = authorEls.map((authorEl) => {
                const $authorEl: Cheerio<Element> = $(authorEl);

                return {
                    name: $authorEl.text(),
                    url: new URL($authorEl.attr('href') ?? '', baseUrl).href,
                    avatar: undefined,
                };
            });
            const image: string | undefined = $el.find('div.li-thumb img').attr('src');
            const upDatedStr: string | undefined = pubDateStr;

            const processedItem: DataItem = {
                title,
                description,
                pubDate: pubDateStr ? parseDate(pubDateStr) : undefined,
                link: linkUrl ? new URL(linkUrl, baseUrl).href : undefined,
                author: authors,
                content: {
                    html: description,
                    text: description,
                },
                image,
                banner: image,
                updated: upDatedStr ? parseDate(upDatedStr) : undefined,
                language,
            };

            return processedItem;
        });

    items = (
        await Promise.all(
            items.map((item) => {
                if (!item.link) {
                    return item;
                }

                return cache.tryGet(item.link, async (): Promise<DataItem> => {
                    const detailResponse = await ofetch(item.link);
                    const $$: CheerioAPI = load(detailResponse);

                    const title: string = $$('div.post-title').text();

                    const pubDateStr: string | undefined = $$('i.icon-time').next().text().trim();
                    const categoryEls: Element[] = $$('span.keywords a').toArray();
                    const categories: string[] = [...new Set(categoryEls.map((el) => $$(el).text()).filter(Boolean))];
                    const authorEls: Element[] = $$('i.icon-user').first().nextAll('a').toArray();
                    const authors: DataItem['author'] = authorEls.map((authorEl) => {
                        const $$authorEl: Cheerio<Element> = $$(authorEl);

                        return {
                            name: $$authorEl.text(),
                            url: new URL($$authorEl.attr('href') ?? '', baseUrl).href,
                            avatar: undefined,
                        };
                    });
                    const upDatedStr: string | undefined = pubDateStr;

                    $$('div.post-tip').each((_, el) => {
                        const $$el: Cheerio<Element> = $$(el);
                        const content: string = $$el.html() ?? '';

                        if (content) {
                            $$el.replaceWith(`<h1>${content}</h1>`);
                        }
                    });
                    $$('div.post-param, div.post-title, div.post-keywords').remove();
                    $$('div.attitude, div.clear').remove();

                    const description: string = art(path.join(__dirname, 'templates/description.art'), {
                        description: $$('div.post-body').html(),
                    });

                    const processedItem: DataItem = {
                        title,
                        description,
                        pubDate: pubDateStr ? parseDate(pubDateStr) : item.pubDate,
                        category: categories,
                        author: authors,
                        content: {
                            html: description,
                            text: description,
                        },
                        updated: upDatedStr ? parseDate(upDatedStr) : item.updated,
                        language,
                    };

                    return {
                        ...item,
                        ...processedItem,
                    };
                });
            })
        )
    ).filter((_): _ is DataItem => true);

    const title: string = $('title').text();

    return {
        title,
        description: $('meta[name="description"]').attr('content'),
        link: targetUrl,
        item: items,
        allowEmpty: true,
        image: new URL('static/home/images/logo.png', baseUrl).href,
        author: title.split(/-/).pop(),
        language,
        id: targetUrl,
    };
};

export const route: Route = {
    path: '/article',
    name: '网站翻译',
    url: 'www.ltaaa.cn',
    maintainers: ['nczitzk'],
    handler,
    example: '/ltaaa/article',
    parameters: undefined,
    description: undefined,
    categories: ['new-media'],
    features: {
        requireConfig: false,
        requirePuppeteer: false,
        antiCrawler: false,
        supportRadar: true,
        supportBT: false,
        supportPodcast: false,
        supportScihub: false,
    },
    radar: [
        {
            source: ['www.ltaaa.cn/article'],
            target: '/article',
        },
    ],
    view: ViewType.Articles,
};