feat(route): add Bandcamp Tag (DIYgod#7523)

Co-authored-by: NeverBehave <[email protected]>

docs/en/multimedia.md

@@ -16,6 +16,12 @@ Full transcript support for better user experience.
 
 <RouteEn author="Ji4n1ng" example="/99percentinvisible/transcript" path="/99percentinvisible/transcript"/>
 
+## Bandcamp
+
+### Tag
+
+<RouteEn author="nczitzk" example="/bandcamp/tag/united-kingdom" path="/bandcamp/tag/:tag?" :paramsDesc="['Tag, can be found in URL']"/>
+
 ## EZTV
 
 ::: tip

docs/multimedia.md

@@ -161,6 +161,12 @@ pageClass: routes
 
 <Route author="I2IMk" example="/avgle/search/橋本ありな" path="/avgle/search/:keyword/:order?/:time?/:top?" :paramsDesc="['搜索的关键词', '视频次序, `bw` 观看中 / `mr` 最新 / `mv` 最多观看 / `tr` 最高评分 / `tf` 最多收藏 / `lg` 最长, 默认 `mr`', '视频的添加时间, `a` 所有 / `t` 今天 / `d` 本周 / `m` 本月, 默认 `a`', '按次序获取的视频数, 不大于 `250`, 默认 `30`']"/>
 
+## Bandcamp
+
+### Tag
+
+<Route author="nczitzk" example="/bandcamp/tag/united-kingdom" path="/bandcamp/tag/:tag?" :paramsDesc="['标签，可在 URL 中找到']"/>
+
 ## bilibili
 
 见 [#bilibili](/social-media.html#bilibili)

lib/router.js

@@ -4067,6 +4067,9 @@ router.get('/jisilu/topic/:user', require('./routes/jisilu/topic'));
 // Constitutional Court of Baden-Württemberg (Germany)
 router.get('/verfghbw/press/:keyword?', require('./routes/verfghbw/press'));
 
+// Bandcamp
+router.get('/bandcamp/tag/:tag?', require('./routes/bandcamp/tag'));
+
 // Hugo 更新日志
 router.get('/hugo/releases', require('./routes/hugo/releases'));
 

lib/routes/bandcamp/tag.js

@@ -0,0 +1,47 @@
+const got = require('@/utils/got');
+const cheerio = require('cheerio');
+
+module.exports = async (ctx) => {
+    const tag = ctx.params.tag;
+
+    const rootUrl = 'https://bandcamp.com';
+    const currentUrl = `${rootUrl}/tag/${tag}?tab=all_releases`;
+    const response = await got({
+        method: 'get',
+        url: currentUrl,
+    });
+
+    const $ = cheerio.load(response.data);
+
+    const list = response.data
+        .match(/tralbum_url":"(.*?)","audio_url/g)
+        .slice(0, 10)
+        .map((item) => ({
+            link: item.match(/tralbum_url":"(.*?)","audio_url/)[1].split('"')[0],
+        }));
+
+    const items = await Promise.all(
+        list.map(
+            async (item) =>
+                await ctx.cache.tryGet(item.link, async () => {
+                    const detailResponse = await got({
+                        method: 'get',
+                        url: item.link,
+                    });
+                    const content = cheerio.load(detailResponse.data);
+
+                    item.title = content('.trackTitle').eq(0).text();
+                    item.author = content('h3 span a').text();
+                    item.description = content('#tralbumArt').html() + content('#trackInfo').html();
+
+                    return item;
+                })
+        )
+    );
+
+    ctx.state.data = {
+        title: $('title').text(),
+        link: currentUrl,
+        item: items,
+    };
+};