.gitignore

@@ -10,7 +10,6 @@ yarn-debug.log*
 yarn-error.log*
 lerna-debug.log*
 .pnpm-debug.log*
-*.zip
 
 # Diagnostic reports (https://nodejs.org/api/report.html)
 report.[0-9]*.[0-9]*.[0-9]*.[0-9]*.json

src/assets/ITThermal.js

@@ -129,6 +129,19 @@ function deviceTrackerHandler() {
     const dtservice = dtserviceinput.value;
     const dtnotes = document.getElementById('dtnotes').value;
 
+    if (dtticket.trim() === '' || dtuser.trim() === '' || dtservice.trim() === '') {
+        alert('Please fill out all required fields (Ticket Number, User, Service Type).');
+        return;
+    }
+    const dtTicketNumber = Number.parseInt(dtticket);
+    if (!(Number.isInteger(dtTicketNumber) && dtTicketNumber > 0)) {
+        alert('Please enter a valid Ticket Number (positive integer).');
+        return;
+    } else if (dtTicketNumber > 999999) {
+        alert('Please enter a valid Ticket Number (6 digits or less).');
+        return;
+    }
+
     // Generate the line array and PDF
     const lineArray = prepDeviceTracker(dtticket, dtuser, dtservice, dtnotes);
     const bUrl = generateFile(lineArray, true, false);