Update app.py

app.py

@@ -225,11 +225,14 @@ with gr.Blocks(css=css) as demo:
             outputs=[custom_instruction],
         )
 
-        # Modified function to handle test limit with improved messaging and cookie-based user sessions
         def handle_submit(image, description_type, custom_instruction, request: gr.Request):
             user_id, cookie = get_or_create_user_id(request)
             check_and_reset_user_counter(user_id)  # Check and reset counter if it's a new day
             test_counter = increment_user_counter(user_id)
+            
+            # UTM-tagged demo booking link
+            demo_link = "https://wordlift.io/book-a-demo/?utm_source=free-app&utm_medium=app&utm_campaign=product-description-generator"
+            
             if test_counter <= 4:
                 result = generate_product_description(image, description_type, custom_instruction)
                 remaining_tests = 4 - test_counter
@@ -242,14 +245,14 @@ with gr.Blocks(css=css) as demo:
                         cookie,
                     )
                 else:
-                    redirect_text = """
+                    redirect_text = f"""
                     Thank you for trying our product description generation tool!
 
                     You've used all 4 of your free tests for today. We hope you found them helpful and insightful.
 
                     To unlock unlimited access and discover how our AI-powered solution can revolutionize your content creation process:
 
-                    [Book a Personalized Demo with Our Experts](https://wordlift.io/book-a-demo/)
+                    [Book a Personalized Demo with Our Experts]({demo_link})
 
                     During the demo, you'll get:
                     • A tailored walkthrough of our full suite of features
@@ -268,14 +271,14 @@ with gr.Blocks(css=css) as demo:
                         cookie,
                     )
             else:
-                redirect_text = """
+                redirect_text = f"""
                 Thank you for your interest in our product description generation tool!
 
                 You've already used your 4 free tests for today. We hope they've given you a glimpse of how our AI can enhance your content creation.
 
                 Ready to explore the full potential of our solution?
 
-                [Book a Personalized Demo with Our Experts](https://wordlift.io/book-a-demo/)
+                [Book a Personalized Demo with Our Experts]({demo_link})
 
                 In this demo, you'll discover:
                 • How our AI can be customized for your specific needs