From 47189b9fca4ced90b34d7eb00a4ba5f9712597e0 Mon Sep 17 00:00:00 2001
From: Khai Ta <khaita2006@gmail.com>
Date: Wed, 4 Mar 2026 18:11:46 -0500
Subject: [PATCH] analytics export to pdf

---
 src/app/analytics/layout.tsx         | 69 +++++++++++++++++++++++++++-
 src/common/api/analytics/provider.ts | 27 +++++++++++
 2 files changed, 95 insertions(+), 1 deletion(-)

diff --git a/src/app/analytics/layout.tsx b/src/app/analytics/layout.tsx
index 1b42632..d7e1096 100644
--- a/src/app/analytics/layout.tsx
+++ b/src/app/analytics/layout.tsx
@@ -1,10 +1,16 @@
+"use client";
+
 import SubNavigation from "@/components/layout/SubNavigation";
+import { downloadAnalyticsPDF } from "@/common/api/analytics/provider";
+import { useState } from "react";
 
 type AnalyticsLayoutProps = {
   children: React.ReactNode;
 };
 
 export default function AnalyticsLayout({ children }: AnalyticsLayoutProps) {
+  const [isDownloading, setIsDownloading] = useState(false);
+
   const navItems = [
     { label: "Summary", href: "/analytics/summary" },
     { label: "Attendance", href: "/analytics/attendance" },
@@ -12,10 +18,71 @@ export default function AnalyticsLayout({ children }: AnalyticsLayoutProps) {
     { label: "Organizers", href: "/analytics/organizers" },
   ];
 
+  const handleExportPDF = async () => {
+    setIsDownloading(true);
+    try {
+      await downloadAnalyticsPDF();
+    } catch (error) {
+      console.error("Failed to download PDF:", error);
+      alert("Failed to download PDF. Please try again.");
+    } finally {
+      setIsDownloading(false);
+    }
+  };
+
   return (
     <section className="space-y-6">
-      <header>
+      <header className="flex items-center justify-between">
         <h1 className="text-2xl font-semibold text-zinc-900">Analytics</h1>
+        <button
+          onClick={handleExportPDF}
+          disabled={isDownloading}
+          className="inline-flex items-center px-4 py-2 border border-transparent text-sm font-medium rounded-md shadow-sm text-white bg-blue-600 hover:bg-blue-700 focus:outline-none focus:ring-2 focus:ring-offset-2 focus:ring-blue-500 disabled:opacity-50 disabled:cursor-not-allowed"
+        >
+          {isDownloading ? (
+            <>
+              <svg
+                className="animate-spin -ml-1 mr-2 h-4 w-4 text-white"
+                xmlns="http://www.w3.org/2000/svg"
+                fill="none"
+                viewBox="0 0 24 24"
+              >
+                <circle
+                  className="opacity-25"
+                  cx="12"
+                  cy="12"
+                  r="10"
+                  stroke="currentColor"
+                  strokeWidth="4"
+                ></circle>
+                <path
+                  className="opacity-75"
+                  fill="currentColor"
+                  d="M4 12a8 8 0 018-8V0C5.373 0 0 5.373 0 12h4zm2 5.291A7.962 7.962 0 014 12H0c0 3.042 1.135 5.824 3 7.938l3-2.647z"
+                ></path>
+              </svg>
+              Exporting...
+            </>
+          ) : (
+            <>
+              <svg
+                className="-ml-1 mr-2 h-4 w-4"
+                xmlns="http://www.w3.org/2000/svg"
+                fill="none"
+                viewBox="0 0 24 24"
+                stroke="currentColor"
+              >
+                <path
+                  strokeLinecap="round"
+                  strokeLinejoin="round"
+                  strokeWidth={2}
+                  d="M12 10v6m0 0l-3-3m3 3l3-3m2 8H7a2 2 0 01-2-2V5a2 2 0 012-2h5.586a1 1 0 01.707.293l5.414 5.414a1 1 0 01.293.707V19a2 2 0 01-2 2z"
+                />
+              </svg>
+              Export to PDF
+            </>
+          )}
+        </button>
       </header>
       <SubNavigation items={navItems} baseHref="/analytics" />
       {children}
diff --git a/src/common/api/analytics/provider.ts b/src/common/api/analytics/provider.ts
index 2efbe57..d58eefe 100644
--- a/src/common/api/analytics/provider.ts
+++ b/src/common/api/analytics/provider.ts
@@ -22,3 +22,30 @@ export async function getOrganizerScans(): Promise<AnalyticsScansResponse[]> {
     method: "GET",
   });
 }
+
+export async function downloadAnalyticsPDF(): Promise<void> {
+  const response = await fetch(
+    `${process.env.NEXT_PUBLIC_API_BASE_URL}/analytics/pdf`,
+    {
+      method: "GET",
+      credentials: "include",
+      headers: {
+        "Content-Type": "application/pdf",
+      },
+    }
+  );
+
+  if (!response.ok) {
+    throw new Error("Failed to download PDF");
+  }
+
+  const blob = await response.blob();
+  const url = window.URL.createObjectURL(blob);
+  const link = document.createElement("a");
+  link.href = url;
+  link.download = `analytics-report-${new Date().toISOString().split("T")[0]}.pdf`;
+  document.body.appendChild(link);
+  link.click();
+  document.body.removeChild(link);
+  window.URL.revokeObjectURL(url);
+}