From 95353ca21ea224b9f43146f9a51d1ac6ee64f78c Mon Sep 17 00:00:00 2001
From: riiim400th <riiim@rowicy.com>
Date: Thu, 1 Jan 2026 11:59:33 +0900
Subject: [PATCH 1/7] =?UTF-8?q?=E2=9C=A8=20feat:=20add=20rss=20tags?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

---
 src/pages/rss.xml.js | 66 ++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 66 insertions(+)

diff --git a/src/pages/rss.xml.js b/src/pages/rss.xml.js
index d691c62..754dcc6 100644
--- a/src/pages/rss.xml.js
+++ b/src/pages/rss.xml.js
@@ -2,6 +2,66 @@ import rss from '@astrojs/rss';
 import { getCollection } from 'astro:content';
 import siteInfo from '@/data/siteInfo';
 
+function extractImageUrl(body, contextSite) {
+  if (!body) return null;
+  const relativeImages = [];
+  const absoluteImages = [];
+  const imgTagRegex = /<img[^>]+src=["']([^"']+)["'][^>]*>/g;
+  const mdImageRegex = /!\[[^\]]*\]\(([^)]+)\)/g;
+  
+  const imgMatches = [...body.matchAll(imgTagRegex)];
+  const mdMatches = [...body.matchAll(mdImageRegex)];
+  const allUrls = [
+    ...imgMatches.map(match => match[1]),
+    ...mdMatches.map(match => match[1])
+  ];
+  
+  if (allUrls.length === 0) return null;
+  
+  for (const url of allUrls) {
+    const isRelative = url.startsWith('/');
+    let fullUrl = url;
+    const ext = fullUrl.split('?')[0].split('.').pop()?.toLowerCase();
+    let type;
+    
+    switch (ext) {
+      case 'jpg':
+      case 'jpeg':
+        type = 'image/jpeg';
+        break;
+      case 'png':
+        type = 'image/png';
+        break;
+      case 'gif':
+        type = 'image/gif';
+        break;
+      case 'webp':
+        type = 'image/webp';
+        break;
+      case 'svg':
+        type = 'image/svg+xml';
+        break;
+      default:
+        continue;
+    }
+    
+    const imageObj = {
+      url: fullUrl,
+      type: type,
+      length: 0
+    };
+    
+    if (isRelative) {
+      relativeImages.push(imageObj);
+    } else {
+      absoluteImages.push(imageObj);
+    }
+  }
+  
+  const images = [...relativeImages, ...absoluteImages];
+  return images.length > 0 ? images : null;
+}
+
 export async function GET(context) {
   const blogs = await getCollection('blog');
   return rss({
@@ -14,6 +74,12 @@ export async function GET(context) {
       description: blog.data.description,
       customData: blog.data.customData,
       link: `/blog/${blog.slug}/`,
+      categories: blog.data.tags,
+      enclosure: extractImageUrl(blog.body, context.site)?.[0] || {
+        url: new URL(`/og/${blog.slug}.png`, context.site).toString(),
+        type: 'image/png',
+        length: 0,
+      },
     })),
     customData: `<language>ja-jp</language>`,
   });

From e26b7edea9747546f7be67705d4e9153e11e1804 Mon Sep 17 00:00:00 2001
From: riiim400th <riiim@rowicy.com>
Date: Fri, 2 Jan 2026 08:22:00 +0900
Subject: [PATCH 2/7] =?UTF-8?q?=E2=9C=A8=20feat:=20alternate=20tag?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

---
 src/layouts/BlogLayout.astro | 1 +
 src/layouts/Layout.astro     | 1 +
 2 files changed, 2 insertions(+)

diff --git a/src/layouts/BlogLayout.astro b/src/layouts/BlogLayout.astro
index 504c5db..de0481e 100644
--- a/src/layouts/BlogLayout.astro
+++ b/src/layouts/BlogLayout.astro
@@ -37,6 +37,7 @@ const authorX = author?.links?.find(l => l.name === 'X')?.id;
     <link rel="icon" href="/favicon.svg" sizes="any" type="image/svg+xml" />
     <link rel="apple-touch-icon" href="/apple-touch-icon.png" />
     <link rel="sitemap" href="/sitemap-index.xml" />
+    <link rel="alternate" type="application/rss+xml" title="RSS Feed" href="/rss.xml">
     <SEO
       charset="UTF-8"
       title={title}
diff --git a/src/layouts/Layout.astro b/src/layouts/Layout.astro
index 63c7942..714d423 100644
--- a/src/layouts/Layout.astro
+++ b/src/layouts/Layout.astro
@@ -31,6 +31,7 @@ const meta = {
     <link rel="icon" href="/favicon.svg" sizes="any" type="image/svg+xml" />
     <link rel="apple-touch-icon" href="/apple-touch-icon.png" />
     <link rel="sitemap" href="/sitemap-index.xml" />
+    <link rel="alternate" type="application/rss+xml" title="RSS Feed" href="/rss.xml">
     <SEO
       charset="UTF-8"
       title={meta.title}

From f80efadf6afddd45a8abaf79c87a556a51d0b8c6 Mon Sep 17 00:00:00 2001
From: riiim400th <riiim@rowicy.com>
Date: Sat, 3 Jan 2026 03:24:09 +0900
Subject: [PATCH 3/7] =?UTF-8?q?=E2=9C=A8=20feat:=20lib=20getFeed?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

---
 src/layouts/BlogLayout.astro  |   7 ++-
 src/layouts/Layout.astro      |   7 ++-
 src/lib/getFeed.ts            | 110 ++++++++++++++++++++++++++++++++++
 src/pages/[author]/rss.xml.js |  21 +------
 src/pages/rss.xml.js          |  85 +-------------------------
 5 files changed, 128 insertions(+), 102 deletions(-)
 create mode 100644 src/lib/getFeed.ts

diff --git a/src/layouts/BlogLayout.astro b/src/layouts/BlogLayout.astro
index de0481e..4bc2400 100644
--- a/src/layouts/BlogLayout.astro
+++ b/src/layouts/BlogLayout.astro
@@ -37,7 +37,12 @@ const authorX = author?.links?.find(l => l.name === 'X')?.id;
     <link rel="icon" href="/favicon.svg" sizes="any" type="image/svg+xml" />
     <link rel="apple-touch-icon" href="/apple-touch-icon.png" />
     <link rel="sitemap" href="/sitemap-index.xml" />
-    <link rel="alternate" type="application/rss+xml" title="RSS Feed" href="/rss.xml">
+    <link
+      rel="alternate"
+      type="application/rss+xml"
+      title="RSS Feed"
+      href="/rss.xml"
+    />
     <SEO
       charset="UTF-8"
       title={title}
diff --git a/src/layouts/Layout.astro b/src/layouts/Layout.astro
index 714d423..67633de 100644
--- a/src/layouts/Layout.astro
+++ b/src/layouts/Layout.astro
@@ -31,7 +31,12 @@ const meta = {
     <link rel="icon" href="/favicon.svg" sizes="any" type="image/svg+xml" />
     <link rel="apple-touch-icon" href="/apple-touch-icon.png" />
     <link rel="sitemap" href="/sitemap-index.xml" />
-    <link rel="alternate" type="application/rss+xml" title="RSS Feed" href="/rss.xml">
+    <link
+      rel="alternate"
+      type="application/rss+xml"
+      title="RSS Feed"
+      href="/rss.xml"
+    />
     <SEO
       charset="UTF-8"
       title={meta.title}
diff --git a/src/lib/getFeed.ts b/src/lib/getFeed.ts
new file mode 100644
index 0000000..21f3975
--- /dev/null
+++ b/src/lib/getFeed.ts
@@ -0,0 +1,110 @@
+import { type RSSOptions } from '@astrojs/rss';
+import { getCollection } from 'astro:content';
+import siteInfo from '@/data/siteInfo';
+
+function extractImageUrl(body: string) {
+  if (!body) return null;
+  const relativeImages = [];
+  const absoluteImages = [];
+  const imgTagRegex = /<img[^>]+src=["']([^"']+)["'][^>]*>/g;
+  const mdImageRegex = /!\[[^\]]*\]\(([^)]+)\)/g;
+
+  const imgMatches = [...body.matchAll(imgTagRegex)];
+  const mdMatches = [...body.matchAll(mdImageRegex)];
+  const allUrls = [
+    ...imgMatches.map(match => match[1]),
+    ...mdMatches.map(match => match[1]),
+  ];
+
+  if (allUrls.length === 0) return null;
+
+  for (const url of allUrls) {
+    const isRelative = url.startsWith('/');
+    let fullUrl = url;
+    const ext = fullUrl.split('?')[0].split('.').pop()?.toLowerCase();
+    let type;
+
+    switch (ext) {
+      case 'jpg':
+      case 'jpeg':
+        type = 'image/jpeg';
+        break;
+      case 'png':
+        type = 'image/png';
+        break;
+      case 'gif':
+        type = 'image/gif';
+        break;
+      case 'webp':
+        type = 'image/webp';
+        break;
+      case 'svg':
+        type = 'image/svg+xml';
+        break;
+      default:
+        continue;
+    }
+
+    const imageObj = {
+      url: fullUrl,
+      type: type,
+      length: 0,
+    };
+
+    if (isRelative) {
+      relativeImages.push(imageObj);
+    } else {
+      absoluteImages.push(imageObj);
+    }
+  }
+
+  const images = [...relativeImages, ...absoluteImages];
+  return images.length > 0 ? images : null;
+}
+
+async function getFeed(
+  siteUrl: string,
+  maxItems?: number,
+  filter?: { tag?: string; author?: string }
+) {
+  const allBlogs = await getCollection('blog');
+  let blogs = allBlogs;
+  if (filter) {
+    if (filter.author) {
+      blogs = blogs.filter(blog => blog.data.author === filter.author);
+    }
+    if (filter.tag) {
+      blogs = blogs.filter(blog => blog.data.tags?.includes(filter.tag!));
+    }
+  }
+  blogs = blogs
+    .sort(
+      (a, b) =>
+        new Date(b.data.pubDate).getTime() - new Date(a.data.pubDate).getTime()
+    )
+    .slice(0, maxItems || 50);
+  const rssOptions: RSSOptions = {
+    title: siteInfo.appName,
+    description: siteInfo.description,
+    site: siteUrl,
+    items: blogs.map(blog => ({
+      title: blog.data.title,
+      pubDate: new Date(blog.data.pubDate),
+      description: blog.data.description,
+      link: blog.data.externalUrl
+        ? blog.data.externalUrl
+        : `/blog/${blog.slug}/`,
+      categories: blog.data.tags,
+      enclosure: extractImageUrl(blog.body)?.[0] || {
+        url: `/og/${blog.slug}.png`,
+        type: 'image/png',
+        length: 0,
+      },
+      author: blog.data.author || '',
+    })),
+    customData: `<language>ja-jp</language>`,
+  };
+  return rssOptions;
+}
+
+export { getFeed };
diff --git a/src/pages/[author]/rss.xml.js b/src/pages/[author]/rss.xml.js
index 8300acf..f16dc3a 100644
--- a/src/pages/[author]/rss.xml.js
+++ b/src/pages/[author]/rss.xml.js
@@ -1,6 +1,5 @@
 import rss from '@astrojs/rss';
-import { getCollection } from 'astro:content';
-import siteInfo from '@/data/siteInfo';
+import { getFeed } from '@/lib/getFeed';
 import member from '@/data/member';
 
 export async function getStaticPaths() {
@@ -13,21 +12,7 @@ export async function getStaticPaths() {
 
 export async function GET(context) {
   const { author } = context.params;
-  const blogs = await getCollection('blog');
+  const feedOption = await getFeed(context.site, 50, { author });
 
-  const filteredBlogs = blogs.filter(blog => blog.data.author === author);
-
-  return rss({
-    title: `${siteInfo.appName} - ${author}`,
-    description: `${author}の記事一覧`,
-    site: context.site,
-    items: filteredBlogs.map(blog => ({
-      title: blog.data.title,
-      pubDate: blog.data.pubDate,
-      description: blog.data.description,
-      customData: blog.data.customData,
-      link: `/blog/${blog.slug}/`,
-    })),
-    customData: '<language>ja-jp</language>',
-  });
+  return rss(feedOption);
 }
diff --git a/src/pages/rss.xml.js b/src/pages/rss.xml.js
index 754dcc6..018bc0f 100644
--- a/src/pages/rss.xml.js
+++ b/src/pages/rss.xml.js
@@ -1,86 +1,7 @@
 import rss from '@astrojs/rss';
-import { getCollection } from 'astro:content';
-import siteInfo from '@/data/siteInfo';
-
-function extractImageUrl(body, contextSite) {
-  if (!body) return null;
-  const relativeImages = [];
-  const absoluteImages = [];
-  const imgTagRegex = /<img[^>]+src=["']([^"']+)["'][^>]*>/g;
-  const mdImageRegex = /!\[[^\]]*\]\(([^)]+)\)/g;
-  
-  const imgMatches = [...body.matchAll(imgTagRegex)];
-  const mdMatches = [...body.matchAll(mdImageRegex)];
-  const allUrls = [
-    ...imgMatches.map(match => match[1]),
-    ...mdMatches.map(match => match[1])
-  ];
-  
-  if (allUrls.length === 0) return null;
-  
-  for (const url of allUrls) {
-    const isRelative = url.startsWith('/');
-    let fullUrl = url;
-    const ext = fullUrl.split('?')[0].split('.').pop()?.toLowerCase();
-    let type;
-    
-    switch (ext) {
-      case 'jpg':
-      case 'jpeg':
-        type = 'image/jpeg';
-        break;
-      case 'png':
-        type = 'image/png';
-        break;
-      case 'gif':
-        type = 'image/gif';
-        break;
-      case 'webp':
-        type = 'image/webp';
-        break;
-      case 'svg':
-        type = 'image/svg+xml';
-        break;
-      default:
-        continue;
-    }
-    
-    const imageObj = {
-      url: fullUrl,
-      type: type,
-      length: 0
-    };
-    
-    if (isRelative) {
-      relativeImages.push(imageObj);
-    } else {
-      absoluteImages.push(imageObj);
-    }
-  }
-  
-  const images = [...relativeImages, ...absoluteImages];
-  return images.length > 0 ? images : null;
-}
+import { getFeed } from '@/lib/getFeed';
 
 export async function GET(context) {
-  const blogs = await getCollection('blog');
-  return rss({
-    title: siteInfo.appName,
-    description: siteInfo.description,
-    site: context.site,
-    items: blogs.map(blog => ({
-      title: blog.data.title,
-      pubDate: blog.data.pubDate,
-      description: blog.data.description,
-      customData: blog.data.customData,
-      link: `/blog/${blog.slug}/`,
-      categories: blog.data.tags,
-      enclosure: extractImageUrl(blog.body, context.site)?.[0] || {
-        url: new URL(`/og/${blog.slug}.png`, context.site).toString(),
-        type: 'image/png',
-        length: 0,
-      },
-    })),
-    customData: `<language>ja-jp</language>`,
-  });
+  const feedOption = await getFeed(context.site);
+  return rss(feedOption);
 }

From 4f4fe4a2dd9e29a3ea325f39e0097b0743af4008 Mon Sep 17 00:00:00 2001
From: riiim400th <riiim@rowicy.com>
Date: Sat, 3 Jan 2026 16:34:49 +0900
Subject: [PATCH 4/7] =?UTF-8?q?=F0=9F=90=9E=20fix:=20rss=20link=20title?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

---
 src/layouts/BlogLayout.astro | 8 +++++++-
 src/layouts/Layout.astro     | 2 +-
 2 files changed, 8 insertions(+), 2 deletions(-)

diff --git a/src/layouts/BlogLayout.astro b/src/layouts/BlogLayout.astro
index 4bc2400..ed7baab 100644
--- a/src/layouts/BlogLayout.astro
+++ b/src/layouts/BlogLayout.astro
@@ -40,9 +40,15 @@ const authorX = author?.links?.find(l => l.name === 'X')?.id;
     <link
       rel="alternate"
       type="application/rss+xml"
-      title="RSS Feed"
+      title="Blogs"
       href="/rss.xml"
     />
+    <link
+      rel="alternate"
+      type="application/rss+xml"
+      title={`Blogs by ${blog.data.author}`}
+      href={`/${blog.data.author}/rss.xml`}
+    />
     <SEO
       charset="UTF-8"
       title={title}
diff --git a/src/layouts/Layout.astro b/src/layouts/Layout.astro
index 67633de..a737d35 100644
--- a/src/layouts/Layout.astro
+++ b/src/layouts/Layout.astro
@@ -34,7 +34,7 @@ const meta = {
     <link
       rel="alternate"
       type="application/rss+xml"
-      title="RSS Feed"
+      title="Blogs"
       href="/rss.xml"
     />
     <SEO

From dde091924d050a23214ee4b6f1687693dd93fe33 Mon Sep 17 00:00:00 2001
From: riiim400th <riiim@rowicy.com>
Date: Sun, 4 Jan 2026 01:27:04 +0900
Subject: [PATCH 5/7] =?UTF-8?q?=F0=9F=90=9E=20fix:=20rss=20title?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

---
 src/lib/getFeed.ts | 12 +++++++++---
 1 file changed, 9 insertions(+), 3 deletions(-)

diff --git a/src/lib/getFeed.ts b/src/lib/getFeed.ts
index 21f3975..a9d5967 100644
--- a/src/lib/getFeed.ts
+++ b/src/lib/getFeed.ts
@@ -67,8 +67,7 @@ async function getFeed(
   maxItems?: number,
   filter?: { tag?: string; author?: string }
 ) {
-  const allBlogs = await getCollection('blog');
-  let blogs = allBlogs;
+  let blogs = await getCollection('blog');
   if (filter) {
     if (filter.author) {
       blogs = blogs.filter(blog => blog.data.author === filter.author);
@@ -83,8 +82,15 @@ async function getFeed(
         new Date(b.data.pubDate).getTime() - new Date(a.data.pubDate).getTime()
     )
     .slice(0, maxItems || 50);
+  let title = siteInfo.appName;
+    if (filter?.author) {
+        title += ` - Author: ${filter.author}`;
+    }
+    if (filter?.tag) {
+        title += ` - Tag: ${filter.tag}`;
+    }
   const rssOptions: RSSOptions = {
-    title: siteInfo.appName,
+    title: title,
     description: siteInfo.description,
     site: siteUrl,
     items: blogs.map(blog => ({

From 5137a89e4b8a28f8f5018db24699b6967c3c25e8 Mon Sep 17 00:00:00 2001
From: riiim400th <riiim@rowicy.com>
Date: Sun, 4 Jan 2026 01:30:01 +0900
Subject: [PATCH 6/7] =?UTF-8?q?=F0=9F=8C=88=20style:=20format?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

---
 src/lib/getFeed.ts | 12 ++++++------
 1 file changed, 6 insertions(+), 6 deletions(-)

diff --git a/src/lib/getFeed.ts b/src/lib/getFeed.ts
index a9d5967..5bb4955 100644
--- a/src/lib/getFeed.ts
+++ b/src/lib/getFeed.ts
@@ -83,12 +83,12 @@ async function getFeed(
     )
     .slice(0, maxItems || 50);
   let title = siteInfo.appName;
-    if (filter?.author) {
-        title += ` - Author: ${filter.author}`;
-    }
-    if (filter?.tag) {
-        title += ` - Tag: ${filter.tag}`;
-    }
+  if (filter?.author) {
+    title += ` - Author: ${filter.author}`;
+  }
+  if (filter?.tag) {
+    title += ` - Tag: ${filter.tag}`;
+  }
   const rssOptions: RSSOptions = {
     title: title,
     description: siteInfo.description,

From 9a1a5fe70e8a1ee0447b4980a99b0b02ff4c39cf Mon Sep 17 00:00:00 2001
From: riiim400th <riiim@rowicy.com>
Date: Sun, 4 Jan 2026 02:16:36 +0900
Subject: [PATCH 7/7] =?UTF-8?q?=F0=9F=90=9E=20fix:=20delete=20author=20fie?=
 =?UTF-8?q?ld?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

---
 src/lib/getFeed.ts | 1 -
 1 file changed, 1 deletion(-)

diff --git a/src/lib/getFeed.ts b/src/lib/getFeed.ts
index 5bb4955..c1db33e 100644
--- a/src/lib/getFeed.ts
+++ b/src/lib/getFeed.ts
@@ -106,7 +106,6 @@ async function getFeed(
         type: 'image/png',
         length: 0,
       },
-      author: blog.data.author || '',
     })),
     customData: `<language>ja-jp</language>`,
   };