From 69745adfe2906fbe180e54c8c8b07cdcb998cec3 Mon Sep 17 00:00:00 2001
From: karasu <karasu.shing@gmail.com>
Date: Tue, 10 Sep 2024 22:11:09 +0800
Subject: [PATCH] feat(route): kakuyomu (#16679)

* feat(route): kakuyomu

* remove any types
---
 lib/routes/kakuyomu/namespace.ts |  6 +++
 lib/routes/kakuyomu/types.ts     |  6 +++
 lib/routes/kakuyomu/works.ts     | 73 ++++++++++++++++++++++++++++++++
 3 files changed, 85 insertions(+)
 create mode 100644 lib/routes/kakuyomu/namespace.ts
 create mode 100644 lib/routes/kakuyomu/types.ts
 create mode 100644 lib/routes/kakuyomu/works.ts

diff --git a/lib/routes/kakuyomu/namespace.ts b/lib/routes/kakuyomu/namespace.ts
new file mode 100644
index 0000000000000..ec24f74506b5d
--- /dev/null
+++ b/lib/routes/kakuyomu/namespace.ts
@@ -0,0 +1,6 @@
+import type { Namespace } from '@/types';
+
+export const namespace: Namespace = {
+    name: 'カクヨム',
+    url: 'kakuyomu.jp',
+};
diff --git a/lib/routes/kakuyomu/types.ts b/lib/routes/kakuyomu/types.ts
new file mode 100644
index 0000000000000..80e46dab9b6b4
--- /dev/null
+++ b/lib/routes/kakuyomu/types.ts
@@ -0,0 +1,6 @@
+export interface NextDataEpisode {
+    __typename: 'Episode';
+    id: string;
+    title: string;
+    publishedAt: string;
+}
diff --git a/lib/routes/kakuyomu/works.ts b/lib/routes/kakuyomu/works.ts
new file mode 100644
index 0000000000000..a882f51ffad9b
--- /dev/null
+++ b/lib/routes/kakuyomu/works.ts
@@ -0,0 +1,73 @@
+import type { Data, DataItem, Route } from '@/types';
+import { load } from 'cheerio';
+import type { Context } from 'hono';
+import ofetch from '@/utils/ofetch';
+import cache from '@/utils/cache';
+import type { NextDataEpisode } from './types';
+import { parseDate } from '@/utils/parse-date';
+
+export const route: Route = {
+    name: '投稿',
+    categories: ['reading'],
+    path: '/works/:id',
+    example: '/kakuyomu/works/1177354054894027232',
+    parameters: {
+        id: '投稿 ID',
+    },
+    maintainers: ['KarasuShin'],
+    handler,
+    features: {
+        supportRadar: true,
+    },
+    radar: [
+        {
+            source: ['kakuyomu.jp/works/:id'],
+            target: '/works/:id',
+        },
+    ],
+};
+
+async function handler(ctx: Context): Promise<Data> {
+    const id = ctx.req.param('id');
+    const url = `https://kakuyomu.jp/works/${id}`;
+    const limit = Number.parseInt(ctx.req.query('limit') || '10');
+    const $ = load(await ofetch(url));
+
+    const nextData = JSON.parse($('#__NEXT_DATA__').text());
+
+    const {
+        props: {
+            pageProps: { __APOLLO_STATE__ },
+        },
+    } = nextData;
+
+    const {
+        [`Work:${id}`]: { title, catchphrase },
+    } = __APOLLO_STATE__;
+
+    const values = Object.values(__APOLLO_STATE__);
+    const episodes = values.filter((value) => value.__typename === 'Episode') as NextDataEpisode[];
+    const items = (await Promise.all(
+        episodes
+            .sort((a, b) => b.publishedAt.localeCompare(a.publishedAt))
+            .slice(0, limit)
+            .map((item) => {
+                const episodeUrl = `https://kakuyomu.jp/works/${id}/episodes/${item.id}`;
+                return cache.tryGet(episodeUrl, async () => {
+                    const $ = load(await ofetch(episodeUrl));
+                    const description = $('.widget-episodeBody').html();
+                    return {
+                        title: item.title,
+                        description,
+                        pubDate: parseDate(item.publishedAt),
+                    };
+                });
+            })
+    )) as DataItem[];
+
+    return {
+        title,
+        description: catchphrase,
+        item: items,
+    };
+}