rss: add bangumi/calendar (#171)

* rss: add bangumi/calendar

* docs: add bangumi/calendar

* Update today.js

docs/README.md

@@ -246,6 +246,22 @@ areaID: 分区 ID 分区增删较多，可通过 [分区列表](https://api.live
 
 order: 排序方式，live_time 开播时间，online 人气
 
+## bangumi
+
+### 放送列表
+
+举例: [https://rsshub.app/bangumi/calendar/today](https://rsshub.app/bangumi/calendar/today)
+
+路由: `/bangumi/calendar/today`
+
+参数: 无
+
+::: tip 提示
+
+可以配合[内容过滤](#内容过滤)使用
+
+:::
+
 ## 微博
 
 ### 博主

router.js

@@ -89,6 +89,9 @@ router.get('/bilibili/live/room/:roomID', require('./routes/bilibili/liveRoom'))
 router.get('/bilibili/live/search/:key/:order', require('./routes/bilibili/liveSearch'));
 router.get('/bilibili/live/area/:areaID/:order', require('./routes/bilibili/liveArea'));
 
+// bangumi
+router.get('/bangumi/calendar/today', require('./routes/bangumi/calendar/today'));
+
 // 微博
 router.get('/weibo/user/:uid', require('./routes/weibo/user'));
 router.get('/weibo/user2/:uid', require('./routes/weibo/user2'));

routes/bangumi/calendar/_base.js

@@ -0,0 +1,47 @@
+const axios = require('../../../utils/axios');
+const config = require('../../../config');
+
+module.exports = async (ctx) => {
+    const bgmCalendarUrl = 'https://api.bgm.tv/calendar';
+    const bgmDataUrl = 'https://cdn.jsdelivr.net/npm/bangumi-data/dist/data.json';
+
+    const url = [bgmCalendarUrl, bgmDataUrl];
+
+    const cache = await Promise.all(url.map(ctx.cache.get));
+    const result = await Promise.all(
+        cache.map(async (c, i) => {
+            if (c !== undefined) {
+                return Promise.resolve(JSON.parse(c));
+            } else {
+                const response = await axios({
+                    method: 'get',
+                    url: url[i],
+                    headers: {
+                        'User-Agent': config.ua,
+                    },
+                });
+                const data = response.data;
+
+                if (i === 1) {
+                    // 只保留有 bangumi id 的番剧
+                    const length = data.items.length;
+                    const items = [];
+                    for (let index = 0; index < length; index++) {
+                        const item = data.items[index];
+                        const bgm_site = item.sites.find((s) => s.site === 'bangumi');
+                        if (bgm_site) {
+                            item.bgm_id = bgm_site.id;
+                            items.push(item);
+                        }
+                    }
+                    data.items = items;
+                }
+
+                ctx.cache.set(url[i], JSON.stringify(data), 86400);
+                return Promise.resolve(data);
+            }
+        })
+    );
+
+    return result;
+};

routes/bangumi/calendar/today.js

@@ -0,0 +1,68 @@
+const getData = require('./_base');
+
+module.exports = async (ctx) => {
+    const [list, data] = await getData(ctx);
+    const siteMeta = data.siteMeta;
+
+    const now = new Date(Date.now());
+
+    now.setHours(now.getHours() + 9);
+    const day = now.getUTCDay();
+
+    const todayList = list.filter((l) => l.weekday.id % 7 === day)[0];
+
+    const todayBgmId = todayList.items.map((t) => `${t.id}`);
+    const images = todayList.items.reduce((p, c) => {
+        p[c.id] = (c.images || {}).large;
+        return p;
+    }, {});
+
+    const todayBgm = data.items.filter((d) => todayBgmId.includes(d.bgm_id));
+    todayBgm.forEach((bgm) => {
+        bgm.image = images[bgm.bgm_id];
+    });
+
+    ctx.state.data = {
+        title: 'bangumi 每日放送',
+        link: 'https://bgm.tv/calendar',
+        item: todayBgm.map((bgm) => {
+            const updated = new Date(Date.now());
+            updated.setSeconds(0);
+            const begin = new Date(bgm.begin || updated);
+            updated.setHours(begin.getHours());
+            updated.setMinutes(begin.getMinutes());
+            updated.setSeconds(begin.getSeconds());
+
+            const image = `<img src=${bgm.image} />`;
+            const content =
+                image +
+                '<ul>' +
+                bgm.sites
+                    .map((s) => {
+                        let url;
+                        if (s.url) {
+                            url = s.url;
+                        } else {
+                            url = siteMeta[s.site].urlTemplate.replace('{{id}}', s.id);
+                        }
+                        return `<li><a href="${url}">${siteMeta[s.site].title}</a></li>`;
+                    })
+                    .join('') +
+                '</ul>';
+
+            return {
+                title: [
+                    bgm.title,
+                    Object.values(bgm.titleTranslate)
+                        .map((t) => t.join('｜'))
+                        .join('｜'),
+                ].join('｜'),
+                updated: updated.toISOString(),
+                pubDate: updated.toUTCString(),
+                link: `http://bangumi.tv/subject/${bgm.bgm_id}`,
+                description: content,
+                content,
+            };
+        }),
+    };
+};