feat: add RSS feed generation and content management features

pnpm-lock.yaml

@@ -41,6 +41,9 @@ importers:
       astro-seo:
         specifier: ^0.8.4
         version: 0.8.4(typescript@5.7.3)
+      markdown-it:
+        specifier: ^14.1.0
+        version: 14.1.0
       overlayscrollbars:
         specifier: ^2.10.1
         version: 2.10.1
@@ -99,6 +102,9 @@ importers:
       '@types/hast':
         specifier: ^3.0.4
         version: 3.0.4
+      '@types/markdown-it':
+        specifier: ^14.1.2
+        version: 14.1.2
       '@types/mdast':
         specifier: ^4.0.4
         version: 4.0.4
@@ -1834,9 +1840,18 @@ packages:
   '@types/katex@0.16.7':
     resolution: {integrity: sha512-HMwFiRujE5PjrgwHQ25+bsLJgowjGjm5Z8FVSf0N6PwgJrwxH0QxzHYDcKsTfV3wva0vzrpqMTJS2jXPr5BMEQ==}
 
+  '@types/linkify-it@5.0.0':
+    resolution: {integrity: sha512-sVDA58zAw4eWAffKOaQH5/5j3XeayukzDk+ewSsnv3p4yJEZHCCzMDiZM8e0OUrRvmpGZ85jf4yDHkHsgBNr9Q==}
+
+  '@types/markdown-it@14.1.2':
+    resolution: {integrity: sha512-promo4eFwuiW+TfGxhi+0x3czqTYJkG8qB17ZUJiVF10Xm7NLVRSLUsfRTU/6h1e24VvRnXCx+hG7li58lkzog==}
+
   '@types/mdast@4.0.4':
     resolution: {integrity: sha512-kGaNbPh1k7AFzgpud/gMdvIm5xuECykRR+JnWKQno9TAXVa6WIVCGTPvYGekIDL4uwCZQSYbUxNBSb1aUo79oA==}
 
+  '@types/mdurl@2.0.0':
+    resolution: {integrity: sha512-RGdgjQUZba5p6QEFAVx2OGb8rQDL/cPRG7GiedRzMcJ1tYnUANBncjbSB1NRGwbvjcPeikRABz2nshyPk1bhWg==}
+
   '@types/mdx@2.0.13':
     resolution: {integrity: sha512-+OWZQfAYyio6YkJb3HLxDrvnx6SWWDbC0zVPfBRzUk0/nqoDyf6dNxQi3eArPe8rJ473nobTMQ/8Zk+LxJ+Yuw==}
 
@@ -3779,6 +3794,9 @@ packages:
   lines-and-columns@1.2.4:
     resolution: {integrity: sha512-7ylylesZQ/PV29jhEDl3Ufjo6ZX7gCqJr5F7PKrqc93v7fzSymt1BpwEU8nAUXs8qzzvqhbjhK5QZg6Mt/HkBg==}
 
+  linkify-it@5.0.0:
+    resolution: {integrity: sha512-5aHCbzQRADcdP+ATqnDuhhJ/MRIqDkZX5pyjFHRRysS8vZ5AbqGEoFIb6pYHPZ+L/OC2Lc+xT8uHVVR5CAK/wQ==}
+
   lint-staged@15.3.0:
     resolution: {integrity: sha512-vHFahytLoF2enJklgtOtCtIjZrKD/LoxlaUusd5nh7dWv/dkKQJY74ndFSzxCdv7g0ueGg1ORgTSt4Y9LPZn9A==}
     engines: {node: '>=18.12.0'}
@@ -3867,6 +3885,10 @@ packages:
     resolution: {integrity: sha512-o5vL7aDWatOTX8LzaS1WMoaoxIiLRQJuIKKe2wAw6IeULDHaqbiqiggmx+pKvZDb1Sj+pE46Sn1T7lCqfFtg1Q==}
     engines: {node: '>=16'}
 
+  markdown-it@14.1.0:
+    resolution: {integrity: sha512-a54IwgWPaeBCAAsv13YgmALOF1elABB08FxO9i+r4VFk5Vl4pKokRPeX8u5TCgSsPi6ec1otfLjdOpVcgbpshg==}
+    hasBin: true
+
   markdown-table@3.0.4:
     resolution: {integrity: sha512-wiYz4+JrLyb/DqW2hkFJxP7Vd7JuTDm77fvbM8VfEQdmSMqcImWeeRbHwZjBjIFki/VaMK2BhFi7oUUZeM5bqw==}
 
@@ -3947,6 +3969,9 @@ packages:
   mdn-data@2.12.2:
     resolution: {integrity: sha512-IEn+pegP1aManZuckezWCO+XZQDplx1366JoVhTpMpBB1sPey/SbveZQUosKiKiGYjg1wH4pMlNgXbCiYgihQA==}
 
+  mdurl@2.0.0:
+    resolution: {integrity: sha512-Lf+9+2r+Tdp5wXDXC4PcIBjTDtq4UKjCPMQhKIuzpJNW0b96kVqSwW0bT7FhRSfmAiFYgP+SCRvdrDozfh0U5w==}
+
   merge-stream@2.0.0:
     resolution: {integrity: sha512-abv/qOcuPfk3URPfDzmZU1LKmuw8kT+0nIHvKrKgFrwifol/doWcdA4ZqsWQ8ENrFKkd67Mfpo/LovbIUsbt3w==}
 
@@ -4656,6 +4681,10 @@ packages:
   property-information@6.5.0:
     resolution: {integrity: sha512-PgTgs/BlvHxOu8QuEN7wi5A0OmXaBcHpmCSTehcs6Uuu9IkDIEo13Hy7n898RHfrQ49vKCoGeWZSaAK01nwVig==}
 
+  punycode.js@2.3.1:
+    resolution: {integrity: sha512-uxFIHU0YlHYhDQtV4R9J6a52SLx28BCjT+4ieh7IGbgwVJWO+km431c4yRlREUAsAmt/uMjQUyQHNEPf0M39CA==}
+    engines: {node: '>=6'}
+
   punycode@2.3.1:
     resolution: {integrity: sha512-vYt7UD1U9Wg6138shLtLOvdAu+8DsC/ilFtEVHcH+wydcSpNE20AfSOduf6MkRFahL5FY7X1oU7nKVZFtfq8Fg==}
     engines: {node: '>=6'}
@@ -5355,6 +5384,9 @@ packages:
     engines: {node: '>=14.17'}
     hasBin: true
 
+  uc.micro@2.1.0:
+    resolution: {integrity: sha512-ARDJmphmdvUk6Glw7y9DQ2bFkKBHwQHLi2lsaH6PPmz/Ka9sFOBsBluozhDltWmnv9u/cF6Rt87znRTPV+yp/A==}
+
   ufo@1.5.4:
     resolution: {integrity: sha512-UsUk3byDzKd04EyoZ7U4DOlxQaD14JUKQl6/P7wiX4FNvUfm3XL246n9W5AmqwW5RSFJ27NAuM0iLscAOYUiGQ==}
 
@@ -7622,10 +7654,19 @@ snapshots:
 
   '@types/katex@0.16.7': {}
 
+  '@types/linkify-it@5.0.0': {}
+
+  '@types/markdown-it@14.1.2':
+    dependencies:
+      '@types/linkify-it': 5.0.0
+      '@types/mdurl': 2.0.0
+
   '@types/mdast@4.0.4':
     dependencies:
       '@types/unist': 3.0.3
 
+  '@types/mdurl@2.0.0': {}
+
   '@types/mdx@2.0.13': {}
 
   '@types/ms@0.7.34': {}
@@ -10182,6 +10223,10 @@ snapshots:
 
   lines-and-columns@1.2.4: {}
 
+  linkify-it@5.0.0:
+    dependencies:
+      uc.micro: 2.1.0
+
   lint-staged@15.3.0:
     dependencies:
       chalk: 5.4.1
@@ -10287,6 +10332,15 @@ snapshots:
 
   markdown-extensions@2.0.0: {}
 
+  markdown-it@14.1.0:
+    dependencies:
+      argparse: 2.0.1
+      entities: 4.5.0
+      linkify-it: 5.0.0
+      mdurl: 2.0.0
+      punycode.js: 2.3.1
+      uc.micro: 2.1.0
+
   markdown-table@3.0.4: {}
 
   math-intrinsics@1.1.0: {}
@@ -10500,6 +10554,8 @@ snapshots:
 
   mdn-data@2.12.2: {}
 
+  mdurl@2.0.0: {}
+
   merge-stream@2.0.0: {}
 
   merge2@1.4.1: {}
@@ -11377,6 +11433,8 @@ snapshots:
 
   property-information@6.5.0: {}
 
+  punycode.js@2.3.1: {}
+
   punycode@2.3.1: {}
 
   queue-microtask@1.2.3: {}
@@ -12314,6 +12372,8 @@ snapshots:
 
   typescript@5.7.3: {}
 
+  uc.micro@2.1.0: {}
+
   ufo@1.5.4: {}
 
   ultrahtml@1.5.3: {}

src/components/Header.astro

@@ -0,0 +1,20 @@
+---
+import themeConfig from '@/config'
+
+const { title, subtitle, favicon } = themeConfig.site
+---
+
+<head>
+  <meta charset="UTF-8" />
+  <meta name="viewport" content="width=device-width" />
+  <link rel="icon" type="image/svg+xml" href={favicon} />
+  <meta name="generator" content={Astro.generator} />
+  <title>{title} - {subtitle}</title>
+
+  <link
+    rel="alternate"
+    type="application/rss+xml"
+    title={title}
+    href={`${themeConfig.site.url}/rss.xml`}
+  />
+</head>

src/config/index.ts

@@ -73,7 +73,7 @@ export const themeConfig: ThemeConfig = {
   footer: {
     linkA: {
       name: 'RSS',
-      url: '#',
+      url: '/rss.xml',
     },
     linkB: {
       name: 'Contact',

src/layouts/Layout.astro

@@ -1,20 +1,10 @@
+---
+import Header from '@/components/Header.astro'
+---
+
 <!doctype html>
 <html lang="en">
-  <head>
-    <meta charset="UTF-8" />
-    <meta name="viewport" content="width=device-width" />
-    <link rel="icon" type="image/svg+xml" href="/favicon.svg" />
-    <meta name="generator" content={Astro.generator} />
-    <title>Astro Basics</title>
-
-    <link
-      rel="alternate"
-      type="application/rss+xml"
-      title={themeConfig.site.title}
-      href={new URL('rss.xml', themeConfig.site.url)}
-    />
-
-  </head>
+  <Header />
   <body>
     <slot />
   </body>

src/pages/rss.xml.ts

@@ -1,33 +1,62 @@
 import type { APIContext } from 'astro'
+import type { CollectionEntry } from 'astro:content'
 import themeConfig from '@/config'
 import rss from '@astrojs/rss'
 import { getCollection } from 'astro:content'
 import MarkdownIt from 'markdown-it'
 import sanitizeHtml from 'sanitize-html'
-import
 
 const parser = new MarkdownIt()
 const { title, description, url } = themeConfig.site
 const { language } = themeConfig.global
+const followConfig = themeConfig.seo?.follow
 
+// Extract first 100 chars from content as description
+function getExcerpt(content: string): string {
+  const plainText = sanitizeHtml(
+    parser.render(content),
+    {
+      allowedTags: [],
+      allowedAttributes: {},
+    },
+  )
+
+  return `${plainText.slice(0, 100).trim()}...`
+}
+
+// Generate RSS feed
 export async function GET(_context: APIContext) {
-  const posts = await getCollection('blog', ({ data }) => {
-    return !data.draft // 只包含非草稿文章
-  })
+  const posts = await getCollection(
+    'posts',
+    ({ data }: { data: CollectionEntry<'posts'>['data'] }) => !data.draft,
+  )
 
   return rss({
     title,
     description,
     site: url,
-    items: posts.map(post => ({
+    stylesheet: '/rss/styles.xsl',
+    items: posts.map((post: CollectionEntry<'posts'>) => ({
       title: post.data.title,
-      pubDate: post.data.published, // 使用 published 而不是 pubDate
-      description: post.data.description,
+      pubDate: post.data.published,
+      description: post.data.description || getExcerpt(post.body),
       link: `/posts/${post.slug}/`,
-      content: sanitizeHtml(parser.render(post.body), {
-        allowedTags: sanitizeHtml.defaults.allowedTags.concat(['img']),
-      }),
+      content: sanitizeHtml(
+        parser.render(post.body),
+        {
+          allowedTags: sanitizeHtml.defaults.allowedTags.concat(['img']),
+        },
+      ),
     })),
-    customData: `<language>${language}</language>`,
+    customData: `
+      <language>${language}</language>
+      ${followConfig?.feedID && followConfig?.userID
+          ? `<follow_challenge>
+            <feedId>${followConfig.feedID}</feedId>
+            <userId>${followConfig.userID}</userId>
+          </follow_challenge>`
+          : ''
+      }
+    `.trim(),
   })
 }

src/utils/content.config.ts

@@ -1,50 +1,91 @@
 import type { CollectionEntry } from 'astro:content'
 import { getCollection } from 'astro:content'
-import MarkdownIt from 'markdown-it'
-import sanitizeHtml, { type Tag } from 'sanitize-html'
 
 export type Post = CollectionEntry<'posts'>
+export type PostData = Post['data']
+export type PostsGroupByYear = Map<number, Post[]>
 
-export async function getPosts(isArchivePage = false) {
-  const posts = await getCollection('posts', ({ data }) => {
-    return import.meta.env.DEV || !data.draft
-  })
+// Get all posts and sort by publish date
+export async function getPosts() {
+  const posts = await getCollection(
+    'posts',
+    ({ data }: Post) => import.meta.env.DEV || !data.draft,
+  )
 
-  // 按发布日期降序排序
-  return posts.sort((a, b) => b.data.published.valueOf() - a.data.published.valueOf())
+  return posts.sort((a: Post, b: Post) =>
+    b.data.published.valueOf() - a.data.published.valueOf(),
+  )
 }
 
-// 获取所有标签及其对应的文章
-export async function getPostsByTags() {
+// Group posts by tags
+export async function sortPostsByTags() {
   const posts = await getPosts()
   const tagMap = new Map<string, Post[]>()
 
-  posts.forEach((post) => {
-    post.data.tags?.forEach((tag) => {
-      if (!tagMap.has(tag)) {
-        tagMap.set(tag, [])
-      }
-      tagMap.get(tag)?.push(post)
-    })
+  posts.forEach((post: Post) => {
+    if (post.data.tags && post.data.tags.length > 0) {
+      post.data.tags.forEach((tag: string) => {
+        if (!tagMap.has(tag)) {
+          tagMap.set(tag, [])
+        }
+        tagMap.get(tag)?.push(post)
+      })
+    }
   })
 
   return tagMap
 }
 
-// 获取指定标签的所有文章
+// Get posts by specific tag
 export async function getPostsByTag(tag: string) {
   const posts = await getPosts()
-  return posts.filter(post => post.data.tags?.includes(tag))
+
+  return posts.filter((post: Post) =>
+    post.data.tags?.includes(tag),
+  )
 }
 
-// 获取所有标签列表
+// Get all tags list
 export async function getAllTags() {
   const posts = await getPosts()
   const tags = new Set<string>()
 
-  posts.forEach((post) => {
-    post.data.tags?.forEach(tag => tags.add(tag))
+  posts.forEach((post: Post) => {
+    post.data.tags?.forEach((tag: string) =>
+      tags.add(tag),
+    )
   })
 
   return Array.from(tags)
 }
+
+// Group posts by year and sort
+export async function getPostsByYear(): Promise<PostsGroupByYear> {
+  const posts = await getPosts()
+  const yearMap = new Map<number, Post[]>()
+
+  // Group by year
+  posts.forEach((post: Post) => {
+    const year = post.data.published.getFullYear()
+    if (!yearMap.has(year)) {
+      yearMap.set(year, [])
+    }
+    yearMap.get(year)?.push(post)
+  })
+
+  // Sort posts within each year
+  yearMap.forEach((yearPosts) => {
+    yearPosts.sort((a: Post, b: Post) => {
+      const aDate = a.data.published
+      const bDate = b.data.published
+      const monthDiff = bDate.getMonth() - aDate.getMonth()
+
+      if (monthDiff !== 0) {
+        return monthDiff
+      }
+      return bDate.getDate() - aDate.getDate()
+    })
+  })
+
+  return new Map([...yearMap.entries()].sort((a, b) => b[0] - a[0]))
+}