RSSHub/lib/v2/cnki/journals.js

50 lines
1.8 KiB
JavaScript

const got = require('@/utils/got');
const cheerio = require('cheerio');
const { parseDate } = require('@/utils/parse-date');
const { ProcessItem } = require('./utils');
const rootUrl = 'https://navi.cnki.net';
module.exports = async (ctx) => {
const { name } = ctx.params;
const journalUrl = `${rootUrl}/knavi/journals/${name}/detail`;
const title = await got.get(journalUrl).then((res) => cheerio.load(res.data)('head > title').text());
const yearListUrl = `${rootUrl}/knavi/journals/${name}/yearList?pIdx=0`;
const { code, date } = await got.get(yearListUrl).then((res) => {
const $ = cheerio.load(res.data);
const code = $('.yearissuepage').find('dl').first().find('dd').find('a').first().attr('value');
const date = parseDate($('.yearissuepage').find('dl').first().find('dd').find('a').first().attr('id').replace('yq', ''), 'YYYYMM');
return { code, date };
});
const yearIssueUrl = `${rootUrl}/knavi/journals/${name}/papers?yearIssue=${code}&pageIdx=0&pcode=CJFD,CCJD`;
const response = await got.post(yearIssueUrl);
const $ = cheerio.load(response.data);
const publications = $('dd');
const list = publications
.map((_, publication) => {
const title = $(publication).find('a').first().text();
const filename = $(publication).find('b').attr('id');
const link = `https://cnki.net/kcms/detail/detail.aspx?filename=${filename}&dbcode=CJFD`;
return {
title,
link,
pubDate: date,
};
})
.get();
const items = await Promise.all(list.map((item) => ctx.cache.tryGet(item.link, () => ProcessItem(item))));
ctx.state.data = {
title: String(title),
link: journalUrl,
item: items,
};
};