feat(route): add sfacg (#14579)

* feat(route): add sfacg

* refactor code

* feat: add radar.js

* update description

* add feed desc & img

* update radar.js

* update http url replacement

* fix: radar

* fix: maintainer

---------

lib/v2/sfacg/maintainer.js

@@ -0,0 +1,3 @@
+module.exports = {
+    '/novel/chapter/:id': ['keocheung'],
+};

lib/v2/sfacg/novel-chapter.js

@@ -0,0 +1,51 @@
+const got = require('@/utils/got');
+const cheerio = require('cheerio');
+const { parseDate } = require('@/utils/parse-date');
+const timezone = require('@/utils/timezone');
+
+module.exports = async (ctx) => {
+    const { id } = ctx.params;
+    const limit = Number.parseInt(ctx.query.limit) || 20;
+
+    const baseUrl = 'https://book.sfacg.com';
+
+    const { data: response } = await got(`${baseUrl}/Novel/${id}/MainIndex/`);
+    const $ = cheerio.load(response);
+
+    const list = $('div.catalog-list ul li a')
+        .slice(-limit)
+        .toArray()
+        .map((item) => {
+            item = $(item);
+            return {
+                title: item.attr('title'),
+                link: `${baseUrl}${item.attr('href')}`,
+            };
+        });
+    const items = await Promise.all(
+        list.map((item) =>
+            ctx.cache.tryGet(item.link, async () => {
+                const { data: response } = await got(item.link);
+                const $ = cheerio.load(response);
+
+                item.description = $('div.article-content').html();
+
+                const rawDate = $('div.article-desc span').eq(1).text();
+                item.pubDate = timezone(parseDate(rawDate.replace('更新时间：', '')), +8);
+
+                return item;
+            })
+        )
+    );
+
+    const { data: intro } = await got(`${baseUrl}/Novel/${id}/`);
+    const $i = cheerio.load(intro);
+
+    ctx.state.data = {
+        title: `SF轻小说 ${$('h1.story-title').text()}`,
+        link: `${baseUrl}/Novel/${id}`,
+        description: $i('p.introduce').text(),
+        image: $i('div.summary-pic img').attr('src').replace('http://', 'https://'),
+        item: items,
+    };
+};

lib/v2/sfacg/radar.js

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+module.exports = {
+    'sfacg.com': {
+        _name: 'SF 轻小说',
+        book: [
+            {
+                title: '章节',
+                docs: 'https://docs.rsshub.app/routes/reading#sf-qing-xiao-shuo',
+                source: ['/Novel/:id/*'],
+                target: '/sfacg/novel/chapter/:id',
+            },
+        ],
+    },
+};

lib/v2/sfacg/router.js

@@ -0,0 +1,3 @@
+module.exports = (router) => {
+    router.get('/novel/chapter/:id', require('./novel-chapter'));
+};