86 lines
2.8 KiB
JavaScript
86 lines
2.8 KiB
JavaScript
const got = require('@/utils/got');
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const cheerio = require('cheerio');
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module.exports = async (ctx) => {
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const id = ctx.params.id;
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const label = ctx.params.label;
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let url = `https://www.taptap.com/app/${id}/topic`;
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if (label === 'elite' || label === 'official' || label === 'all') {
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url += `?type=${label}`;
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} else if (/^\d+$/.test(label)) {
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url += `?group_label_id=${label}`;
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}
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const topics_list_response = await got.get(url);
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const topics_list_data = topics_list_response.data;
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const $ = cheerio.load(topics_list_data);
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const app_img = $('.group-info > a > img').attr('src');
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const app_name = $('.breadcrumb > li.active').text();
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const label_name = $('.tab-label a.active span').text();
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const topics_list = $('.item-content').toArray();
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const parseContent = (htmlString) => {
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const $ = cheerio.load(htmlString);
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const author = $('.user-name-identity');
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const content = $('.topic-content > .bbcode-body');
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const time = $('.topic-update-time').length === 0 ? $('.topic-info [data-dynamic-time]') : $('.topic-update-time [data-dynamic-time]');
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const pub_date = time.length === 0 ? new Date() : new Date(time.text().trim());
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const images = $('img');
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for (let k = 0; k < images.length; k++) {
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$(images[k]).replaceWith(`<img src="${$(images[k]).attr('data-origin-url')}" />`);
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}
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return {
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author: author.text().trim(),
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description: content.html(),
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pubDate: pub_date,
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};
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};
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const out = await Promise.all(
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topics_list.map(async (item) => {
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const $ = cheerio.load(item);
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const title = $('.item-title > a');
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const link = title.attr('href');
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const cache = await ctx.cache.get(link);
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if (cache) {
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return Promise.resolve(JSON.parse(cache));
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}
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const topic = {
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title: title.text().trim(),
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link: link,
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};
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try {
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const topic_response = await got.get(link);
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const result = parseContent(topic_response.data);
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if (!result.description) {
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return Promise.resolve('');
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}
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topic.author = result.author;
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topic.description = result.description;
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topic.pubDate = result.pubDate;
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} catch (err) {
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return Promise.resolve('');
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}
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ctx.cache.set(link, JSON.stringify(topic));
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return Promise.resolve(topic);
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})
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);
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ctx.state.data = {
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title: `TapTap论坛 ${app_name} - ${label_name}`,
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link: url,
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image: app_img,
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item: out.filter((item) => item !== ''),
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};
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};
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