104 lines
3.7 KiB
JavaScript
104 lines
3.7 KiB
JavaScript
const got = require('@/utils/got');
|
|
const cheerio = require('cheerio');
|
|
const { parseDate } = require('@/utils/parse-date');
|
|
const asyncPool = require('tiny-async-pool');
|
|
const { art } = require('@/utils/render');
|
|
const path = require('path');
|
|
|
|
module.exports = async (ctx) => {
|
|
const { category = 'en' } = ctx.params;
|
|
const limit = ctx.query.limit ? Number.parseInt(ctx.query.limit, 10) : 22;
|
|
|
|
const rootUrl = 'https://www.tradingview.com';
|
|
const currentUrl = new URL(`blog/${category.endsWith('/') ? category : `${category}/`}`, rootUrl).href;
|
|
|
|
const { data: response } = await got(currentUrl);
|
|
|
|
const $ = cheerio.load(response);
|
|
|
|
const items = $('article[id]')
|
|
.slice(0, limit)
|
|
.toArray()
|
|
.map((item) => {
|
|
item = $(item);
|
|
|
|
const title = item.find('div.title').text();
|
|
|
|
return {
|
|
title,
|
|
link: item.find('a.articles-grid-link').prop('href'),
|
|
description: art(path.join(__dirname, 'templates/description.art'), {
|
|
image: {
|
|
src: item
|
|
.find('div.articles-grid-img img')
|
|
.prop('src')
|
|
.replace(/-\d+x\d+\./, '.'),
|
|
alt: title,
|
|
},
|
|
}),
|
|
category: item
|
|
.find('a.section')
|
|
.toArray()
|
|
.map((c) => $(c).text()),
|
|
guid: `tradingview-blog-${category}-${item.prop('id')}`,
|
|
pubDate: parseDate(item.find('div.date').text(), 'MMM D, YYYY'),
|
|
};
|
|
});
|
|
|
|
for await (const item of asyncPool(3, items, (item) =>
|
|
ctx.cache.tryGet(item.link, async () => {
|
|
const { data: detailResponse } = await got(item.link);
|
|
|
|
const content = cheerio.load(detailResponse);
|
|
|
|
content('div.entry-content')
|
|
.find('img')
|
|
.each((_, e) => {
|
|
content(e).replaceWith(
|
|
art(path.join(__dirname, 'templates/description.art'), {
|
|
image: {
|
|
src: content(e)
|
|
.prop('src')
|
|
.replace(/-\d+x\d+\./, '.'),
|
|
width: content(e).prop('width'),
|
|
height: content(e).prop('height'),
|
|
},
|
|
})
|
|
);
|
|
});
|
|
|
|
item.title = content('meta[property="og:title"]').prop('content');
|
|
item.description = art(path.join(__dirname, 'templates/description.art'), {
|
|
image: {
|
|
src: content('meta[property="og:image"]').prop('content'),
|
|
alt: item.title,
|
|
},
|
|
description: content('div.entry-content').html(),
|
|
});
|
|
item.author = content('meta[property="og:site_name"]').prop('content');
|
|
item.category = content('div.sections a.section')
|
|
.toArray()
|
|
.map((c) => content(c).text());
|
|
item.pubDate = parseDate(content('div.single-date').text(), 'MMM D, YYYY');
|
|
|
|
return item;
|
|
})
|
|
)) {
|
|
items.shift();
|
|
items.push(item);
|
|
}
|
|
|
|
const icon = new URL($('link[rel="icon"]').prop('href'), rootUrl).href;
|
|
|
|
ctx.state.data = {
|
|
item: items,
|
|
title: $('title').text(),
|
|
link: currentUrl,
|
|
description: $('div.site-subtitle').text(),
|
|
language: $('html').prop('lang'),
|
|
icon,
|
|
logo: icon,
|
|
subtitle: $('h1.site-title').text(),
|
|
};
|
|
};
|