image timestamp fix

app.py

@@ -6,6 +6,7 @@ from flask_socketio import SocketIO, emit
 from flask_login import LoginManager, UserMixin, login_user, login_required, logout_user, current_user
 from werkzeug.security import generate_password_hash, check_password_hash
 import mimetypes
+import time
 
 app = Flask(__name__)
 app.config['SECRET_KEY'] = 'seki_super_secret_key_99' # Change this if you have actual friends
@@ -250,22 +251,16 @@ def bulk_delete():
 def upload_image():
     if 'image' not in request.files or 'barcode' not in request.form:
         return jsonify({"error": "Missing data"}), 400
-    
     file = request.files['image']
     barcode = request.form['barcode']
-    
     if file.filename == '' or not barcode:
         return jsonify({"error": "Invalid data"}), 400
-
-    # Detect extension
     ext = mimetypes.guess_extension(file.mimetype) or '.jpg'
     filename = f"{barcode}{ext}"
     filepath = os.path.join(CACHE_DIR, filename)
-    
     file.save(filepath)
-    
-    # Return the relative path for the frontend
-    return jsonify({"status": "success", "image_url": f"/static/cache/{filename}"}), 200
+    timestamp = int(time.time())
+    return jsonify({"status": "success", "image_url": f"/static/cache/{filename}?t={timestamp}"}), 200
 
 if __name__ == '__main__':
     init_db()

templates/index.html

@@ -603,16 +603,22 @@
             updateForm(d.barcode, d.name || '', '', d.image || '', 'Crear: ' + d.barcode);
         });
 
+        // Replace your existing updateForm function with this one
         function updateForm(b, n, p, i, t) {
             dismissPrompt();
             document.getElementById('form-barcode').value = b;
             document.getElementById('form-name').value = n;
             document.getElementById('form-price').value = (p !== undefined && p !== null) ? p : '';
+
+            // Add a timestamp to the URL if it's a local cache image
+            let displayImg = i || './static/placeholder.png';
+            if (displayImg.includes('/static/cache/')) {
+                displayImg += (displayImg.includes('?') ? '&' : '?') + 't=' + Date.now();
+            }
+
             document.getElementById('form-image').value = i || '';
             document.getElementById('form-title').innerText = t;
-
-            // ADD THESE LINES TO UPDATE THE PREVIEW CARD
-            document.getElementById('display-img').src = i || './static/placeholder.png';
+            document.getElementById('display-img').src = displayImg;
             document.getElementById('display-name').innerText = n || 'Producto Nuevo';
             document.getElementById('display-price').innerText = clp.format(p || 0);
             document.getElementById('display-barcode').innerText = b;