Update static/script.js

static/script.js

@@ -387,3 +387,35 @@ function openBigRadar() {
 function closeBigRadar() {
   document.getElementById("bigRadarModal").classList.add("hidden");
 }
+
+// DOWNLOAD CSV
+
+function downloadCSV() {
+  if (!fastaResults || fastaResults.length === 0) {
+    alert("No batch results available to download.");
+    return;
+  }
+
+  fetch("/api/download_csv", {
+    method: "POST",
+    headers: { "Content-Type": "application/json" },
+    body: JSON.stringify(fastaResults)
+  })
+    .then(res => {
+      if (!res.ok) throw new Error("Failed to generate CSV");
+      return res.blob();
+    })
+    .then(blob => {
+      const url = window.URL.createObjectURL(blob);
+      const a = document.createElement("a");
+      a.href = url;
+      a.download = "canloc_results.csv";
+      document.body.appendChild(a);
+      a.click();
+      a.remove();
+      window.URL.revokeObjectURL(url);
+    })
+    .catch(err => {
+      alert("Download error: " + err.message);
+    });
+}