chore: init monorepo snapshot

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

@@ -0,0 +1,74 @@
+import { NextResponse } from "next/server";
+import { createSupabaseRouteClient } from "@/lib/supabase/server";
+
+interface DuplicatePayload {
+  documentId: string;
+}
+
+export async function POST(request: Request) {
+  const supabase = await createSupabaseRouteClient();
+  const {
+    data: { session },
+  } = await supabase.auth.getSession();
+
+  if (!session) {
+    return NextResponse.json({ error: "未登录" }, { status: 401 });
+  }
+
+  const { documentId }: DuplicatePayload = await request.json();
+
+  if (!documentId) {
+    return NextResponse.json({ error: "缺少 documentId" }, { status: 400 });
+  }
+
+  const { data: sourceDoc, error: sourceError } = await supabase
+    .from("documents")
+    .select("id,title,content,parent_id,workspace_id,access_scope")
+    .eq("id", documentId)
+    .eq("user_id", session.user.id)
+    .single();
+
+  if (sourceError || !sourceDoc) {
+    return NextResponse.json({ error: "页面不存在或无权访问" }, { status: 404 });
+  }
+
+  const siblingQuery = supabase
+    .from("documents")
+    .select("id", { head: true, count: "exact" })
+    .eq("workspace_id", sourceDoc.workspace_id);
+
+  if (sourceDoc.parent_id) {
+    siblingQuery.eq("parent_id", sourceDoc.parent_id);
+  } else {
+    siblingQuery.is("parent_id", null);
+  }
+
+  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 duplicatedTitle = `${fallbackTitle} 副本`;
+
+  const { data: duplicated, error: duplicateError } = await supabase
+    .from("documents")
+    .insert({
+      user_id: session.user.id,
+      workspace_id: sourceDoc.workspace_id,
+      parent_id: sourceDoc.parent_id,
+      access_scope: sourceDoc.access_scope ?? "private",
+      title: duplicatedTitle,
+      content: sourceDoc.content,
+      sort_order: siblingCount,
+    })
+    .select("id,title,parent_id,sort_order")
+    .single();
+
+  if (duplicateError || !duplicated) {
+    return NextResponse.json({ error: duplicateError?.message ?? "复制失败" }, { status: 500 });
+  }
+
+  return NextResponse.json(duplicated);
+}