feat: bulk ZIP download, bulk move-to-folder, folder rename

Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_01XNQ8ghPfzAfsyVYd6HgFb6

src/pages/api/folders/index.ts

@@ -21,6 +21,20 @@ export const POST: APIRoute = async ({ request, locals }) => {
   return json({ folder: row });
 };
 
+// Ordner umbenennen / Galerie ändern. Body { id, name?, picdrop_gallery? }
+export const PATCH: APIRoute = async ({ request, locals }) => {
+  if (!locals.user) return new Response('Unauthorized', { status: 401 });
+  const b = await request.json();
+  if (!b.id) return json({ error: 'Keine ID.' }, 400);
+  const sets: string[] = []; const args: any[] = [];
+  if (typeof b.name === 'string' && b.name.trim()) { args.push(b.name.trim()); sets.push(`name=$${args.length}`); }
+  if ('picdrop_gallery' in b) { args.push(b.picdrop_gallery?.trim() || null); sets.push(`picdrop_gallery=$${args.length}`); }
+  if (!sets.length) return json({ error: 'Nichts zu ändern.' }, 400);
+  args.push(b.id);
+  const row = await one(`UPDATE folders SET ${sets.join(',')} WHERE id=$${args.length} RETURNING *`, args);
+  return json({ folder: row });
+};
+
 // Ordner löschen (Bilder bleiben, verlieren nur die Zuordnung). ?id=…
 export const DELETE: APIRoute = async ({ request, url, locals }) => {
   if (!locals.user) return new Response('Unauthorized', { status: 401 });

src/pages/api/items/zip.ts

@@ -0,0 +1,50 @@
+import type { APIRoute } from 'astro';
+import archiver from 'archiver';
+import { query } from '../../../lib/db';
+import { getObject } from '../../../lib/storage';
+
+export const prerender = false;
+
+/** Lädt mehrere Ergebnisse als ZIP. Body { itemIds: [...] } */
+export const POST: APIRoute = async ({ request, locals }) => {
+  if (!locals.user) return new Response('Unauthorized', { status: 401 });
+  const b = await request.json().catch(() => ({} as any));
+  const ids: string[] = b.itemIds || [];
+  if (!ids.length) return new Response('Keine Auswahl.', { status: 400 });
+
+  const rows = await query<{ id: string; result_path: string | null; filename: string | null }>(
+    `SELECT id, result_path, filename FROM items WHERE id = ANY($1) AND result_path IS NOT NULL`, [ids]);
+  if (!rows.length) return new Response('Keine Ergebnisse.', { status: 404 });
+
+  const archive = archiver('zip', { zlib: { level: 6 } });
+  const seen: Record<string, number> = {};
+  for (const r of rows) {
+    try {
+      const buf = await getObject(r.result_path!);
+      let name = r.filename || `${r.id}.png`;
+      if (!/\.[a-z0-9]+$/i.test(name)) name += '.png';
+      // Namenskollisionen vermeiden
+      if (seen[name] != null) { const n = ++seen[name]; name = name.replace(/(\.[^.]+)$/, `_${n}$1`); }
+      else seen[name] = 0;
+      archive.append(buf, { name });
+    } catch { /* Datei überspringen */ }
+  }
+  const done = archive.finalize();
+
+  // Archiver-Stream (Node) in einen Web-ReadableStream überführen.
+  const stream = new ReadableStream({
+    start(controller) {
+      archive.on('data', (c: Buffer) => controller.enqueue(new Uint8Array(c)));
+      archive.on('end', () => controller.close());
+      archive.on('error', (e: any) => controller.error(e));
+      done.catch(() => {});
+    },
+  });
+  const stamp = new Date().toISOString().slice(0, 10);
+  return new Response(stream, {
+    headers: {
+      'Content-Type': 'application/zip',
+      'Content-Disposition': `attachment; filename="klarbild_${stamp}.zip"`,
+    },
+  });
+};