139 lines
5.0 KiB
TypeScript
139 lines
5.0 KiB
TypeScript
import { Route } from '@/types';
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import cache from '@/utils/cache';
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import got from '@/utils/got';
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import { load } from 'cheerio';
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import { parseDate } from '@/utils/parse-date';
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export const route: Route = {
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path: '/:section?/:type?/:user?',
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categories: ['programming'],
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example: '/hackernews/threads/comments_list/dang',
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parameters: { section: '内容分区，见上表，默认为 `index`', type: '链接类型，见上表，默认为 `sources`', user: '设定用户，只在 `threads` 和 `submitted` 分区有效' },
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features: {
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requireConfig: false,
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requirePuppeteer: false,
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antiCrawler: false,
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supportBT: false,
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supportPodcast: false,
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supportScihub: false,
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},
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radar: [
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{
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source: ['news.ycombinator.com/:section', 'news.ycombinator.com/'],
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},
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],
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name: '用户',
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maintainers: ['nczitzk', 'xie-dongping'],
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handler,
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description: `订阅特定用户的内容`,
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};
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async function handler(ctx) {
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const section = ctx.req.param('section') ?? 'index';
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const type = ctx.req.param('type') ?? 'sources';
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const user = ctx.req.param('user') ?? '';
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const rootUrl = 'https://news.ycombinator.com';
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const sectionUrl = section === 'index' ? '' : `/${section}`;
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let optUrl = user === '' ? '' : '?id=' + user;
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if (section === 'over') {
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optUrl = user === '' ? '?points=100' : '?points=' + user;
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}
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const currentUrl = `${rootUrl}${sectionUrl}${optUrl}`;
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const response = await got(currentUrl);
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const $ = load(response.data);
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const list = $('.athing')
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.slice(0, ctx.req.query('limit') ? Number.parseInt(ctx.req.query('limit')) : 30)
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.map((_, thing) => {
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thing = $(thing);
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const item = {};
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item.guid = thing.attr('id');
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item.title = thing.find('.titleline').children('a').text();
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item.category = thing.find('.sitestr').text();
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item.author = thing.next().find('.hnuser').text();
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item.pubDate = parseDate(thing.find('.age').attr('title') ?? thing.next().find('.age').attr('title'));
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item.link = `${rootUrl}/item?id=${item.guid}`;
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item.origin = thing.find('.titleline').children('a').attr('href');
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item.onStory = thing.find('.onstory').text().substring(2);
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item.comments = thing.next().find('a').last().text().split(' comment')[0];
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item.upvotes = thing.next().find('.score').text().split(' point')[0];
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item.currentComment = thing.find('.comment').text();
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item.guid = type === 'sources' ? item.guid : `${item.guid}${item.comments === 'discuss' ? '' : `-${item.comments}`}`;
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item.description = `<a href="${item.link}">Comments on Hacker News</a> | <a href="${item.origin}">Source</a>`;
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return item;
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})
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.get();
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const items = await Promise.all(
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list.map((item) =>
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cache.tryGet(item.guid, async () => {
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if (item.comments !== 'discuss' && type === 'comments') {
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const detailResponse = await got({
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method: 'get',
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url: item.link,
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});
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const content = load(detailResponse.data);
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content('.reply').remove();
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item.description = '';
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content('.comtr').each(function () {
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const author = content(this).find('.hnuser');
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const comment = content(this).find('.commtext');
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item.description +=
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`<div><div><small><a href="${rootUrl}/${author.attr('href')}">${author.text()}</a></small>` +
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`  <small><a href="${rootUrl}/item?id=${content(this).attr('id')}">` +
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`${content(this).find('.age').attr('title')}</a></small></div>`;
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const commentText = comment.clone();
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commentText.find('p').remove();
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commentText.html(`<p>${commentText.text()}</p>`);
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commentText.append(
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comment
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.find('p')
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.toArray()
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.map((p) => `<p>${content(p).html()}</p>`)
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);
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item.description += `<div>${commentText.html()}</div></div>`;
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});
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} else if (item.comments !== 'discuss' && type === 'comments_list') {
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item.title = item.onStory;
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item.description = item.currentComment;
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}
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if (isNaN(item.comments)) {
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item.comments = 0;
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}
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item.link = type === 'sources' ? item.origin : item.link;
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delete item.origin;
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return item;
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})
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)
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);
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return {
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title: $('title').text(),
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link: currentUrl,
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item: items,
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};
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}
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