Create more sitemaps for the categories

astro/src/pages/sitemap/albums.xml.ts

@@ -0,0 +1,40 @@
+import { getSettings } from "@/content/settings/settings";
+import type { APIRoute } from "astro";
+import minifyXML from "minify-xml";
+
+export const GET = (async () => {
+    const settings = await getSettings();
+
+    const albumCount = 250;
+    const perPage = settings.sitemap.perPage;
+    const pages = Math.ceil(albumCount / perPage);
+
+    let sitemaps: SitemapIndex[] = [];
+
+    for (let i = 0; i < pages; i++) {
+        sitemaps.push({
+            url: `/sitemap/albums-${i + 1}.xml`,
+            lastModified: new Date()
+        });
+    }
+
+    let sitemapContent = `
+    <?xml version="1.0" encoding="UTF-8"?>
+    <sitemapindex xmlns="http://www.sitemaps.org/schemas/sitemap/0.9">
+    ${sitemaps.map((item) => `
+        <sitemap>
+            <loc>${settings.website.domainName}${item.url}</loc>
+            <lastmod>${item.lastModified.toISOString()}</lastmod>
+        </sitemap>
+    `).join('')}
+    </sitemapindex>
+    `;
+
+    return new Response(minifyXML(sitemapContent), {
+        status: 200,
+        statusText: "OK",
+        headers: {
+            "Content-Type": "application/xml"
+        }
+    });
+}) satisfies APIRoute;