Implement local browser caching for shared groups and UI improvements

src/app/api/quizzes/reorder/route.ts

@@ -0,0 +1,31 @@
+import { NextRequest, NextResponse } from "next/server";
+import { prisma } from "@/lib/db";
+
+export async function PATCH(request: NextRequest) {
+  try {
+    const body = await request.json();
+    const { items } = body;
+
+    if (!Array.isArray(items)) {
+      return NextResponse.json({ error: "Invalid input" }, { status: 400 });
+    }
+
+    // items should be an array of { id, sortOrder, groupId }
+    // Using a transaction to perform all updates
+    await prisma.$transaction(
+      items.map((item: any) =>
+        prisma.quizSet.update({
+          where: { id: item.id },
+          data: {
+            sortOrder: item.sortOrder,
+            groupId: item.groupId,
+          },
+        })
+      )
+    );
+
+    return NextResponse.json({ success: true });
+  } catch (error) {
+    return NextResponse.json({ error: "Failed to reorder quizzes" }, { status: 500 });
+  }
+}