双向删除同步

wolai-frontend/src/app/api/documents/duplicate/route.ts

@@ -1,10 +1,36 @@
 import { NextResponse } from "next/server";
 import { createSupabaseRouteClient } from "@/lib/supabase/server";
+import path from "path";
+import { promises as fs } from "fs";
 
 interface DuplicatePayload {
   documentId: string;
 }
 
+const documentsBaseDir = path.join(process.cwd(), "public", "documents");
+
+async function ensureDocumentScaffold(id: string, title: string | null) {
+  const folder = path.join(documentsBaseDir, id);
+  const indexFile = path.join(folder, "index.md");
+  await fs.mkdir(folder, { recursive: true });
+  const safeTitle = title && title.trim() ? title.trim() : "无标题";
+  const content = `# ${safeTitle}\n`;
+  await fs.writeFile(indexFile, content, "utf8");
+}
+
+async function copyMindmapIfExists(sourceId: string, targetId: string) {
+  const src = path.join(documentsBaseDir, sourceId, "mindmap.json");
+  const destDir = path.join(documentsBaseDir, targetId);
+  const dest = path.join(destDir, "mindmap.json");
+  try {
+    const buf = await fs.readFile(src);
+    await fs.mkdir(destDir, { recursive: true });
+    await fs.writeFile(dest, buf);
+  } catch {
+    // 如果源不存在则忽略
+  }
+}
+
 export async function POST(request: Request) {
   const supabase = await createSupabaseRouteClient();
   const {
@@ -16,7 +42,6 @@ export async function POST(request: Request) {
   }
 
   const { documentId }: DuplicatePayload = await request.json();
-
   if (!documentId) {
     return NextResponse.json({ error: "缺少 documentId" }, { status: 400 });
   }
@@ -44,12 +69,14 @@ export async function POST(request: Request) {
   }
 
   const { count: siblingCount = 0, error: countError } = await siblingQuery;
-
   if (countError) {
     return NextResponse.json({ error: countError.message }, { status: 500 });
   }
 
-  const fallbackTitle = sourceDoc.title?.trim() && sourceDoc.title.trim().length > 0 ? sourceDoc.title.trim() : "无标题";
+  const fallbackTitle =
+    sourceDoc.title?.trim() && sourceDoc.title.trim().length > 0
+      ? sourceDoc.title.trim()
+      : "无标题";
   const duplicatedTitle = `${fallbackTitle} 副本`;
 
   const { data: duplicated, error: duplicateError } = await supabase
@@ -67,8 +94,14 @@ export async function POST(request: Request) {
     .single();
 
   if (duplicateError || !duplicated) {
-    return NextResponse.json({ error: duplicateError?.message ?? "复制失败" }, { status: 500 });
+    return NextResponse.json(
+      { error: duplicateError?.message ?? "复制失败" },
+      { status: 500 },
+    );
   }
 
+  await ensureDocumentScaffold(duplicated.id, duplicated.title ?? duplicatedTitle);
+  await copyMindmapIfExists(sourceDoc.id, duplicated.id);
+
   return NextResponse.json(duplicated);
 }