feat(route): add osu! (#13366)

* feat(route): add osu!

* Remove test code

* Update lib/v2/osu/radar.js

---------

lib/v2/osu/beatmaps/packs.js

@@ -0,0 +1,35 @@
+const got = require('@/utils/got');
+const cheerio = require('cheerio');
+const { parseDate } = require('@/utils/parse-date');
+
+module.exports = async (ctx) => {
+    const { type = 'standard' } = ctx.params;
+
+    const link = `https://osu.ppy.sh/beatmaps/packs?type=${type}`;
+
+    const response = await got.get(link);
+    const $ = cheerio.load(response.data);
+    const itemList = $('.beatmap-pack');
+
+    ctx.state.data = {
+        title: `osu! Beatmap Pack - ${type}`,
+        link,
+        item: itemList.toArray().map((element) => {
+            const item = $(element);
+            const title = item.find('.beatmap-pack__name').text().trim();
+            const link = item.find('.beatmap-pack__header').attr('href');
+            // Trying to get the description will return 429 (Too Many Requests).
+            const description = item.find('.beatmap-pack__body').html();
+            const pubDate = parseDate(item.find('.beatmap-pack__date').text(), 'YYYY-MM-DD');
+            const author = item.find('.beatmap-pack__author--bold').text().trim();
+
+            return {
+                title,
+                link,
+                description,
+                pubDate,
+                author,
+            };
+        }),
+    };
+};

lib/v2/osu/maintainer.js

@@ -0,0 +1,3 @@
+module.exports = {
+    '/packs/:type?': ['JimenezLi'],
+};

lib/v2/osu/radar.js

@@ -0,0 +1,13 @@
+module.exports = {
+    'ppy.sh': {
+        _name: 'osu!',
+        osu: [
+            {
+                title: 'Beatmap Pack',
+                docs: 'https://docs.rsshub.app/routes/game#osu-beatmap-packs',
+                source: '/beatmaps/packs',
+                target: (params, url) => `https://osu.ppy.sh/beatmaps/packs?type=${new URL(url).searchParams.get('type') ?? 'standard'}`,
+            },
+        ],
+    },
+};

lib/v2/osu/router.js

@@ -0,0 +1,3 @@
+module.exports = (router) => {
+    router.get('/packs/:type?', require('./beatmaps/packs'));
+};

website/docs/routes/game.md

@@ -398,6 +398,12 @@ Sorting types, default to `date`:
 
 <Route author="hoilc" example="/nintendo/system-update" path="/nintendo/system-update"/>
 
+## osu! {#osu}
+
+### Beatmap Packs {#osu-beatmap-packs}
+
+<Route author="JimenezLi" example="/osu/packs" path="/osu/packs/:type?" paramsDesc={['pack type, default to `standard`, can choose from `featured`, `tournament`, `loved`, `chart`, `theme` and `artist`']} radar="1"/>
+
 ## PlayStation Store {#playstation-store}
 
 ### Game List（Hong Kong） {#playstation-store-game-list-hong-kong}