fix: reduce rss cache time, resolves #516

Signed-off-by: Innei <[email protected]>

Author: Innei

src/app/feed/route.tsx

@@ -8,19 +8,14 @@ import { CDN_HOST } from '~/app.static.config'
 import { AlertsRule as __AlertsRule } from '~/components/ui/markdown/parsers/alert'
 import { ContainerRule as __ContainerRule } from '~/components/ui/markdown/parsers/container'
 import { InsertRule } from '~/components/ui/markdown/parsers/ins'
-import {
-  KateXBlockRule as __KateXBlockRule,
-  KateXRule as __KateXRule,
-} from '~/components/ui/markdown/parsers/katex'
 import { MarkRule } from '~/components/ui/markdown/parsers/mark'
 import { MentionRule } from '~/components/ui/markdown/parsers/mention'
 import { SpoilerRule } from '~/components/ui/markdown/parsers/spoiler'
+import { get } from '~/lib/lodash'
 import { apiClient } from '~/lib/request'
 
-import { fetchAggregationData } from '../(app)/api'
-
 export const dynamic = 'force-dynamic'
-export const revalidate = 86400 // 1 day
+export const revalidate = 60
 
 interface RSSProps {
   title: string
@@ -42,18 +37,39 @@ export async function GET() {
   const ReactDOM = (await import('react-dom/server')).default
 
   const [{ author, data, url }, agg] = await Promise.all([
-    fetch(apiClient.aggregate.proxy.feed.toString(true), {
-      next: {
-        revalidate: 86400,
-      },
-    }).then((res) => res.json() as Promise<RSSProps>),
-
-    fetchAggregationData(),
+    apiClient.aggregate.proxy.feed.get<RSSProps>(),
+    apiClient.aggregate.getAggregateData<AppThemeConfig>('shiro'),
   ])
 
   const { title, description } = agg.seo
 
   const now = new Date()
+  const custom_elements = get(
+    agg.$raw.theme as AppConfig,
+    'config.module.rss.custom_elements',
+  )
+
+  const followChallengeIndex = custom_elements
+    ? custom_elements.findIndex((item: any) => item.follow_challenge)
+    : -1
+  if (-~followChallengeIndex) {
+    const map = {} as Record<string, string>
+
+    const { follow_challenge } = custom_elements[followChallengeIndex]
+    for (const item of follow_challenge) {
+      Object.assign(map, item)
+    }
+
+    custom_elements[followChallengeIndex].follow_challenge = [
+      {
+        feedId: map.feed_id,
+      },
+      {
+        userId: map.user_id,
+      },
+    ]
+  }
+
   const feed = new RSS({
     title,
     description,
@@ -63,6 +79,8 @@ export async function GET() {
     image_url: `${url}${agg?.theme?.config?.site?.favicon}`,
     generator: 'Shiro (https://github.com/Innei/Shiro)',
     pubDate: now.toUTCString(),
+
+    custom_elements,
   })
 
   data.forEach((item) => {
@@ -138,8 +156,8 @@ export async function GET() {
                 mark: MarkRule,
                 ins: InsertRule,
 
-                kateX: KateXRule,
-                kateXBlock: KateXBlockRule,
+                // kateX: KateXRule,
+                // kateXBlock: KateXBlockRule,
                 container: ContainerRule,
                 alerts: AlertsRule,
               },
@@ -171,38 +189,54 @@ export async function GET() {
     })
   })
 
-  return new Response(feed.xml(), {
+  return new Response(`${feed.xml()}`, {
     headers: {
       'Content-Type': 'application/xml',
-      'Cache-Control': 'max-age=60, s-maxage=86400',
-      'CDN-Cache-Control': 'max-age=86400',
-      'Cloudflare-CDN-Cache-Control': 'max-age=86400',
-      'Vercel-CDN-Cache-Control': 'max-age=86400',
+      'Cache-Control': `max-age=60, s-maxage=${revalidate}`,
+      'CDN-Cache-Control': `max-age=${revalidate}`,
+      'Cloudflare-CDN-Cache-Control': `max-age=${revalidate}`,
+      'Vercel-CDN-Cache-Control': `max-age=${revalidate}`,
     },
   })
 }
 
 const NotSupportRender = () => {
-  throw new Error('Not support render in RSS')
+  // throw new Error('Not support render in RSS')
+  return (
+    <p
+      style={{
+        padding: '6px 12px',
+        borderLeft: '2px solid #33A6B8',
+        background: '#33A6B850',
+        fontStyle: 'italic',
+        fontWeight: 500,
+      }}
+    >
+      Not support render this content in RSS render
+    </p>
+  )
 }
 
-const KateXRule: MarkdownToJSX.Rule = {
-  ...__KateXRule,
-  react(node, _, state?) {
-    return <NotSupportRender key={state?.key} />
-  },
-}
-const KateXBlockRule: MarkdownToJSX.Rule = {
-  ...__KateXBlockRule,
-  react(node, _, state?) {
-    return <NotSupportRender key={state?.key} />
-  },
-}
+// const KateXRule: MarkdownToJSX.Rule = {
+//   ...__KateXRule,
+//   react(node, _, state?) {
+//     return node
+//   },
+// }
+// const KateXBlockRule: MarkdownToJSX.Rule = {
+//   ...__KateXBlockRule,
+//   react(node, _, state?) {
+//     return <NotSupportRender key={state?.key} />
+//   },
+// }
 
 const AlertsRule: MarkdownToJSX.Rule = {
   ...__AlertsRule,
   react(node, output, state) {
-    return <NotSupportRender key={state?.key} />
+    const { body } = node.parsed
+    const bodyClean = body.replaceAll(/^> */gm, '').trim()
+
+    return <blockquote key={state.key}>{compiler(bodyClean)}</blockquote>
   },
 }