added supabase

app/admin/(dashboard)/subscriptions/ExportButton.tsx

@@ -0,0 +1,34 @@
+"use client";
+
+interface ExportButtonProps {
+  subscriptions: { email: string; created_at: string }[];
+}
+
+export default function ExportButton({ subscriptions }: ExportButtonProps) {
+  const handleExport = () => {
+    const csv = [
+      "email,subscribed_date",
+      ...subscriptions.map(
+        (s) =>
+          `${s.email},${new Date(s.created_at).toISOString().split("T")[0]}`
+      ),
+    ].join("\n");
+
+    const blob = new Blob([csv], { type: "text/csv" });
+    const url = URL.createObjectURL(blob);
+    const a = document.createElement("a");
+    a.href = url;
+    a.download = "subscriptions.csv";
+    a.click();
+    URL.revokeObjectURL(url);
+  };
+
+  return (
+    <button
+      onClick={handleExport}
+      className="bg-gray-800 text-white px-4 py-2 rounded-md hover:bg-gray-700"
+    >
+      Export CSV
+    </button>
+  );
+}