Update app.py

app.py

@@ -1,7 +1,7 @@
 import gradio as gr
 import json
 from datetime import datetime
-from datasets import Dataset
+from datasets import Dataset, load_dataset
 from huggingface_hub import login, HfApi
 import pandas as pd
 import os
@@ -377,6 +377,99 @@ def safe_add_to_dataset(registration_data, max_retries=5, retry_delay=3):
         traceback.print_exc()
         return False, f"❌ Registration failed: {str(e)}"
 
+def verify_registration(email, hf_username):
+    """
+    Verify if a user is registered by checking both email and HF username
+    Returns registration details if both match
+    """
+    try:
+        # Validate inputs
+        if not email or not email.strip():
+            return "❌ Please enter your email address"
+        
+        if not hf_username or not hf_username.strip():
+            return "❌ Please enter your Hugging Face username"
+        
+        logger.info(f"Verification attempt for email: {email}")
+        
+        # Load dataset
+        try:
+            dataset = load_dataset(DATASET_NAME, split="train")
+            df = dataset.to_pandas()
+            logger.info(f"Loaded dataset with {len(df)} registrations")
+        except Exception as load_error:
+            logger.error(f"Failed to load dataset: {load_error}")
+            return "❌ Unable to verify registration at this time. Please try again later."
+        
+        # Search for exact match (both email AND username must match)
+        email_lower = email.strip().lower()
+        username_lower = hf_username.strip().lower()
+        
+        match = df[
+            (df['email'].str.lower() == email_lower) & 
+            (df['hf_username'].str.lower() == username_lower)
+        ]
+        
+        if len(match) == 0:
+            # Check if email exists with different username
+            email_exists = df[df['email'].str.lower() == email_lower]
+            username_exists = df[df['hf_username'].str.lower() == username_lower]
+            
+            if len(email_exists) > 0 and len(username_exists) == 0:
+                return "❌ Email found but Hugging Face username doesn't match. Please check your username."
+            elif len(username_exists) > 0 and len(email_exists) == 0:
+                return "❌ Hugging Face username found but email doesn't match. Please check your email."
+            else:
+                return "❌ No registration found with this email and Hugging Face username combination."
+        
+        # Registration found - format the details
+        registration = match.iloc[0]
+        
+        # Parse timestamp
+        try:
+            timestamp = pd.to_datetime(registration['timestamp'])
+            reg_date = timestamp.strftime("%B %d, %Y at %I:%M %p UTC")
+        except:
+            reg_date = registration['timestamp']
+        
+        # Format track interests
+        track_interest = registration['track_interest']
+        if isinstance(track_interest, str):
+            # Clean up the string representation of list
+            track_interest = track_interest.strip("[]'\"").replace("'", "")
+        
+        result = f"""
+## ✅ Registration Confirmed!
+**Participant Details:**
+- **Full Name:** {registration['full_name']}
+- **Email:** {registration['email']}
+- **Hugging Face Username:** {registration['hf_username']}
+- **Registered On:** {reg_date}
+**Hackathon Participation:**
+- **Track Interest:** {track_interest}
+- **Gradio Usage:** {registration['gradio_usage']}
+- **Previous Participation:** {registration['previous_participation']}
+- **Experience Level:** {registration['experience_level']}
+- **How You Heard:** {registration['how_heard']}
+**Project Idea:**
+{registration['project_description'] if registration['project_description'] else '_No project description provided_'}
+---
+**Next Steps:**
+- 🔑 API and Compute credits will be distributed before or during the hackathon
+- 💬 Join our Discord community channel `agents-mcp-hackathon-winter25🏆`: https://discord.gg/92sEPT2Zhv
+- 📧 Watch your email for important updates
+- 🚀 Start planning your project!
+"""
+        
+        logger.info(f"✅ Verification successful for {email}")
+        return result
+        
+    except Exception as e:
+        logger.error(f"Error during verification: {e}")
+        import traceback
+        traceback.print_exc()
+        return f"❌ An error occurred during verification: {str(e)}"
+
 def submit_registration(full_name, email, hf_username, gradio_usage,
                         track_interest, previous_participation, experience_level, how_heard,
                         acknowledgment, project_description):
@@ -447,7 +540,7 @@ def submit_registration(full_name, email, hf_username, gradio_usage,
 Thank you, {full_name}! Your registration has been received and saved.<br>
 📧 You will receive information about API credits as we finalize sponsor partnerships.<br>
 🔑 API and Compute credits will be distributed before or during the Hackathon starting date.<br>
-💬 Be sure to **join the Huggingface organization** for regular updates on the hackathon and **to submit your entries**. Join our Discord community channel `agents-mcp-hackathon-winter25🏆` for updates and support during the event: https://discord.gg/YgswRqxQ
+💬 Be sure to **join the Huggingface organization** for regular updates on the hackathon and **to submit your entries**. Join our Discord community channel `agents-mcp-hackathon-winter25🏆` for updates and support during the event: https://discord.gg/92sEPT2Zhv
 **See you at the hackathon! 🚀**"""
 
 # Health check function
@@ -488,7 +581,6 @@ custom_css = """
     -webkit-text-fill-color: transparent;
     background-clip: text;
 }
-
 /* Gradient Submit Button Styling */
 #gradient-submit-btn {
     background: linear-gradient(135deg, #0a0a0a 0%, #FF7A00 35%, #4A90E2 70%, #ffffff 100%) !important;
@@ -502,23 +594,36 @@ custom_css = """
     transition: all 0.3s ease !important;
     text-transform: none !important;
 }
-
 #gradient-submit-btn:hover {
     transform: translateY(-2px) !important;
     box-shadow: 0 6px 20px rgba(0, 0, 0, 0.25) !important;
 }
-
 #gradient-submit-btn:active {
     transform: translateY(0px) !important;
     box-shadow: 0 2px 8px rgba(0, 0, 0, 0.2) !important;
 }
-
 /* Disabled state for the button */
 #gradient-submit-btn:disabled {
     opacity: 0.6 !important;
     cursor: not-allowed !important;
     transform: none !important;
 }
+/* Verify button styling */
+#verify-btn {
+    background: linear-gradient(135deg, #4A90E2 0%, #0a0a0a 100%) !important;
+    border: none !important;
+    color: white !important;
+    font-weight: 600 !important;
+    font-size: 16px !important;
+    padding: 12px 24px !important;
+    border-radius: 8px !important;
+    box-shadow: 0 3px 10px rgba(74, 144, 226, 0.3) !important;
+    transition: all 0.3s ease !important;
+}
+#verify-btn:hover {
+    transform: translateY(-2px) !important;
+    box-shadow: 0 5px 15px rgba(74, 144, 226, 0.4) !important;
+}
 """
 
 # Create the Gradio interface
@@ -527,7 +632,7 @@ with gr.Blocks(title="Gradio Agents & MCP Hackathon - Winter 2025", css=custom_c
     # Header
     gr.Markdown("""
     # 🤖 Gradio Agents & MCP Hackathon - Winter 2025 Registration 🚀
-    **Join our [Discord Community](https://discord.gg/YgswRqxQ) channel `agents-mcp-hackathon-winter25🏆` for active support during the hackathon.**
+    **Join our [Discord Community](https://discord.gg/92sEPT2Zhv) channel `agents-mcp-hackathon-winter25🏆` for active support during the hackathon.**
     **NOTE: If the registration app says you are registered, then that information is correct and you don't need to send us anything else. NO CONFIRMATION EMAILS ARE SENT FROM OUR SIDE.**
     
     **📅 Event Dates:** November 14-30, 2025 (17 days, 3 weekends) | **🏆 Prizes: $15,000+ USD in cash prizes** | **💻 Location:** Online & Global
@@ -542,151 +647,199 @@ with gr.Blocks(title="Gradio Agents & MCP Hackathon - Winter 2025", css=custom_c
     gr.HTML(COUNTER)
     gr.Markdown("---")
     
-    with gr.Row():
-        with gr.Column():
-            # Personal Information Section
-            gr.Markdown("## 1. Personal Information")
-            
-            full_name = gr.Textbox(
-                label="Full Name *",
-                placeholder="Your full name as you'd like it on certificates",
-                max_lines=1
-            )
-            
-            email = gr.Textbox(
-                label="Email Address *",
-                placeholder="Primary contact email (we'll send important updates here)",
-                max_lines=1
-            )
+    # Create tabs
+    with gr.Tabs():
+        # Registration Tab
+        with gr.Tab("📝 Register"):
+            with gr.Row():
+                with gr.Column():
+                    # Personal Information Section
+                    gr.Markdown("## 1. Personal Information")
+                    
+                    full_name = gr.Textbox(
+                        label="Full Name *",
+                        placeholder="Your full name as you'd like it on certificates",
+                        max_lines=1
+                    )
+                    
+                    email = gr.Textbox(
+                        label="Email Address *",
+                        placeholder="Primary contact email (we'll send important updates here)",
+                        max_lines=1
+                    )
+                    
+                    hf_username = gr.Textbox(
+                        label="Hugging Face Username *",
+                        placeholder="Required for organization access and submissions",
+                        max_lines=1
+                    )
+                    
+                    gradio_usage = gr.Radio(
+                        label="How are you currently using Gradio? *",
+                        choices=[
+                            "Professional work - My company uses Gradio",
+                            "Personal projects - Building side projects",
+                            "Academic/Research - University or research work",
+                            "Learning - New to Gradio, want to learn",
+                            "Not using yet - Interested to start"
+                        ],
+                        info="Helps us understand our community better"
+                    )
+                
+                with gr.Column():
+                    # Hackathon Participation Section
+                    gr.Markdown("## 2. Hackathon Participation")
+                    
+                    track_interest = gr.CheckboxGroup(
+                        label="Which track interests you most? *",
+                        choices=[
+                            "Track 1: MCP Tools & Servers",
+                            "Track 2: Agentic Applications", 
+                        ]
+                    )
+                    
+                    previous_participation = gr.Radio(
+                        label="Hackathon experience *",
+                        choices=[
+                            "I participated in June 2025 Agents & MCP Hackathon",
+                            "I've done other AI hackathons before",
+                            "This is my first AI hackathon"
+                        ]
+                    )
+                    
+                    experience_level = gr.Radio(
+                        label="Your experience with AI/Agents development *",
+                        choices=[
+                            "Beginner - New to AI development",
+                            "Intermediate - Some AI projects", 
+                            "Advanced - Regular AI developer",
+                            "Expert - Professional AI engineer"
+                        ]
+                    )
+                    
+                    how_heard = gr.Dropdown(
+                        label="How did you hear about this hackathon? *",
+                        choices=[
+                            "Hugging Face email/newsletter",
+                            "Twitter/X",
+                            "LinkedIn", 
+                            "Discord",
+                            "From a colleague/friend",
+                            "YouTube",
+                            "Reddit",
+                            "Sponsor announcement",
+                            "I participated in June 2025",
+                            "Other"
+                        ]
+                    )
+                
+            with gr.Row():
+                with gr.Column():
+                    # Additional Information Section
+                    gr.Markdown("## 3. Additional Information")
+                    
+                    project_description = gr.Textbox(
+                        label="What type of project are you most excited to build?",
+                        placeholder="Brief description of your project idea or what interests you most",
+                        lines=3
+                    )
+
+                with gr.Column():
+                    # Acknowledgment Section
+                    gr.Markdown("## 4. Acknowledgment")
+                    
+                    acknowledgment = gr.Checkbox(
+                        label="Acknowledgment *",
+                        info="""I commit to actively participate and submit a project by November 30, 2025. I understand that API/compute credits are provided to support hackathon participation and should be used for building my hackathon project. I commit to using these credits responsibly during the event period.""",
+                    )
+                
+            # Submit button
+            submit_btn = gr.Button("🚀 Register for Hackathon", variant="primary", size="lg", elem_id="gradient-submit-btn")
             
-            hf_username = gr.Textbox(
-                label="Hugging Face Username *",
-                placeholder="Required for organization access and submissions",
-                max_lines=1
-            )
+            # Output
+            output = gr.Markdown()
+                
+            # Enhanced submit function
+            def handle_registration_with_state(*args):
+                try:
+                    result = submit_registration(*args)
+                    return result, gr.Button("🚀 Register for Hackathon", interactive=True, variant="primary")
+                except Exception as e:
+                    logger.error(f"Registration handling error: {e}")
+                    return f"❌ An unexpected error occurred: {str(e)}", gr.Button("🚀 Register for Hackathon", interactive=True, variant="primary")
             
-            # NEW: Gradio Usage Question
-            gradio_usage = gr.Radio(
-                label="How are you currently using Gradio? *",
-                choices=[
-                    "Professional work - My company uses Gradio",
-                    "Personal projects - Building side projects",
-                    "Academic/Research - University or research work",
-                    "Learning - New to Gradio, want to learn",
-                    "Not using yet - Interested to start"
+            # Click event with updated inputs
+            submit_btn.click(
+                fn=lambda *args: (gr.Button("⏳ Processing Registration...", interactive=False, variant="secondary"), ""),
+                inputs=[
+                    full_name, email, hf_username, gradio_usage,
+                    track_interest, previous_participation, experience_level, how_heard,
+                    acknowledgment, project_description,
+                ],
+                outputs=[submit_btn, output],
+                queue=False
+            ).then(
+                fn=handle_registration_with_state,
+                inputs=[
+                    full_name, email, hf_username, gradio_usage,
+                    track_interest, previous_participation, experience_level, how_heard,
+                    acknowledgment, project_description,
                 ],
-                info="Helps us understand our community better"
+                outputs=[output, submit_btn],
+                queue=True
             )
         
-        with gr.Column():
-            # Hackathon Participation Section
-            gr.Markdown("## 2. Hackathon Participation")
+        # Verification Tab
+        with gr.Tab("🔍 Verify Registration"):
+            gr.Markdown("""
+            ## Check Your Registration Status
             
-            track_interest = gr.CheckboxGroup(
-                label="Which track interests you most? *",
-                choices=[
-                    "Track 1: MCP Tools & Servers",
-                    "Track 2: Agentic Applications", 
-                ]
-            )
+            Enter your email address and Hugging Face username to verify your registration and view your details.
             
-            # NEW: Previous participation
-            previous_participation = gr.Radio(
-                label="Hackathon experience *",
-                choices=[
-                    "I participated in June 2025 Agents & MCP Hackathon",
-                    "I've done other AI hackathons before",
-                    "This is my first AI hackathon"
-                ]
-            )
+            **Note:** Both email and username must match exactly for security purposes.
+            """)
             
-            # NEW: Experience level
-            experience_level = gr.Radio(
-                label="Your experience with AI/Agents development *",
-                choices=[
-                    "Beginner - New to AI development",
-                    "Intermediate - Some AI projects", 
-                    "Advanced - Regular AI developer",
-                    "Expert - Professional AI engineer"
-                ]
-            )
-            
-            # NEW: How they heard about it
-            how_heard = gr.Dropdown(
-                label="How did you hear about this hackathon? *",
-                choices=[
-                    "Hugging Face email/newsletter",
-                    "Twitter/X",
-                    "LinkedIn", 
-                    "Discord",
-                    "From a colleague/friend",
-                    "YouTube",
-                    "Reddit",
-                    "Sponsor announcement",
-                    "I participated in June 2025",
-                    "Other"
-                ]
-            )
-        
-    with gr.Row():
-        with gr.Column():
-            # Additional Information Section
-            gr.Markdown("## 3. Additional Information")
+            with gr.Row():
+                with gr.Column():
+                    verify_email = gr.Textbox(
+                        label="Email Address",
+                        placeholder="Enter your registered email",
+                        max_lines=1
+                    )
+                    
+                    verify_hf_username = gr.Textbox(
+                        label="Hugging Face Username",
+                        placeholder="Enter your registered HF username",
+                        max_lines=1
+                    )
+                    
+                    verify_btn = gr.Button("🔍 Check Registration Status", variant="primary", size="lg", elem_id="verify-btn")
+                
+                with gr.Column():
+                    gr.Markdown("""
+                    ### Need Help?
+                    
+                    - Make sure you enter the **exact** email and username you used during registration
+                    - Both fields are **case-insensitive** but must match your registration
+                    - If you can't find your registration, try registering again or contact support
+                    
+                    **Support:** 
+                    - Discord: https://discord.gg/92sEPT2Zhv
+                    - Email: gradio-team@huggingface.co
+                    """)
             
-            project_description = gr.Textbox(
-                label="What type of project are you most excited to build?",
-                placeholder="Brief description of your project idea or what interests you most",
-                lines=3
-            )
-
-        with gr.Column():
-            # Acknowledgment Section
-            gr.Markdown("## 4. Acknowledgment")
+            verify_output = gr.Markdown()
             
-            acknowledgment = gr.Checkbox(
-                label="Acknowledgment *",
-                info="""I commit to actively participate and submit a project by November 30, 2025. I understand that API/compute credits are provided to support hackathon participation and should be used for building my hackathon project. I commit to using these credits responsibly during the event period.""",
+            # Verification click event
+            verify_btn.click(
+                fn=verify_registration,
+                inputs=[verify_email, verify_hf_username],
+                outputs=verify_output
             )
-        
-    # Submit button
-    submit_btn = gr.Button("🚀 Register for Hackathon", variant="primary", size="lg", elem_id="gradient-submit-btn")
-    
-    # Output
-    output = gr.Markdown()
-        
-    # Enhanced submit function
-    def handle_registration_with_state(*args):
-        try:
-            result = submit_registration(*args)
-            return result, gr.Button("🚀 Register for Hackathon", interactive=True, variant="primary")
-        except Exception as e:
-            logger.error(f"Registration handling error: {e}")
-            return f"❌ An unexpected error occurred: {str(e)}", gr.Button("🚀 Register for Hackathon", interactive=True, variant="primary")
-    
-    # Click event with updated inputs
-    submit_btn.click(
-        fn=lambda *args: (gr.Button("⏳ Processing Registration...", interactive=False, variant="secondary"), ""),
-        inputs=[
-            full_name, email, hf_username, gradio_usage,
-            track_interest, previous_participation, experience_level, how_heard,
-            acknowledgment, project_description,
-        ],
-        outputs=[submit_btn, output],
-        queue=False
-    ).then(
-        fn=handle_registration_with_state,
-        inputs=[
-            full_name, email, hf_username, gradio_usage,
-            track_interest, previous_participation, experience_level, how_heard,
-            acknowledgment, project_description,
-        ],
-        outputs=[output, submit_btn],
-        queue=True
-    )
 
     # Footer
     gr.Markdown("""    
-    **Questions?** Join Huggingface [Discord](https://discord.gg/fveShqytyh) or email: gradio-team@huggingface.co
+    **Questions?** Join Huggingface [Discord](https://discord.gg/92sEPT2Zhv) or email: gradio-team@huggingface.co
     """)
 
 if __name__ == "__main__":