From 655256ca6b338490de219b7c2d2caf9895db8e55 Mon Sep 17 00:00:00 2001
From: Cameron <cameron.ryan.pears@gmail.com>
Date: Mon, 8 Jun 2026 09:20:37 +1200
Subject: [PATCH] Add erase flash button

---
 html/about.html    |  3 +++
 static/js/about.js | 29 +++++++++++++++++++++++++++++
 2 files changed, 32 insertions(+)

diff --git a/html/about.html b/html/about.html
index 8000410..a5ebf16 100644
--- a/html/about.html
+++ b/html/about.html
@@ -154,6 +154,9 @@ <h3>Installed Packages<br></h3>
             </div>
         </div>
 
+        <div class="container pt-5 pb-4 pl-0">
+            <button id="erase-flash-button" type="button" onclick="eraseFlash()" class="btn btn-primary">Erase Flash</button>
+        </div>
 
     </div>
 
diff --git a/static/js/about.js b/static/js/about.js
index 40a4ff1..0667d98 100644
--- a/static/js/about.js
+++ b/static/js/about.js
@@ -258,3 +258,32 @@ async function setEnvironment() {
 function downloadTemperatureCsv() {
   window.location.href = "/temperature-csv";
 }
+
+async function eraseFlash() {
+  if (!confirm("Are you sure you want to erase flash? This cannot be undone. Device must stay on for at least 2 minutes.")) {
+    return;
+  }
+  $("#erase-flash-button").attr("disabled", true);
+  $("#erase-flash-button").html("Erasing Flash...");
+  try {
+    const response = await fetch("/api/erase-flash", {
+      method: "POST",
+      headers: {
+        Authorization: "Basic " + btoa("admin:feathers"),
+        "Content-Type": "application/json",
+      },
+    });
+
+    if (response.ok) {
+      alert("Flash erase done.");
+    } else {
+      alert("Error erasing flash");
+      console.error("Error with response:", await response.text());
+    }
+  } catch (error) {
+    alert("Error erasing flash");
+    console.error("Error erasing flash:", error);
+  }
+  $("#erase-flash-button").attr("disabled", false);
+  $("#erase-flash-button").html("Erase Flash");
+}