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app.py

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+import gradio as gr
+import json
+import pandas as pd
+import os
+
+DATA_FILE = os.path.join("data", "teamup_data.json")
+
+ADMIN_CODE = os.getenv("ADMIN_CODE", "")
+
+
+# Ensure data file exists
+os.makedirs("data", exist_ok=True)
+if not os.path.exists(DATA_FILE) or os.path.getsize(DATA_FILE) == 0:
+    with open(DATA_FILE, "w") as f:
+        json.dump([], f)
+
+def submit_profile(name, discord, city, country, address, looking, onlinecheck, languages, laptop, robot, skills, describe3, experience, idea):
+    print("🟢 Submit button clicked.")
+    print(f"Incoming: {discord=}, {city=}, {country=}, {languages=}, {laptop=}, {robot=}")
+
+    if not discord or not city or not country or not laptop or not robot:
+        return "❌ Please fill in all required fields."
+    if not languages or not isinstance(languages, list) or len(languages) == 0:
+        return "❌ Please select at least one language."
+
+    # Ensure country is stored as a string (in case form allows lists)
+    if isinstance(country, list):
+        country = country[0] if country else ""
+
+    with open(DATA_FILE, "r") as f:
+        data = json.load(f)
+
+    for d in data:
+        if d["Discord"].lower() == discord.lower():
+            d.update({
+                "Name": name,
+                "City": city,
+                "Country": country,
+                "Address": address,
+                "Looking for Team": looking,
+                "Onlinecheck": onlinecheck,
+                "Languages": languages,
+                "Laptop": laptop,
+                "Robot": robot,
+                "Skills": skills,
+                "Describe3": describe3,
+                "Experience": experience,
+                "Project Idea": idea
+            })
+            break
+    else:
+        data.append({
+            "Name": name,
+            "Discord": discord,
+            "City": city,
+            "Country": country,
+            "Address": address,
+            "Looking for Team": looking,
+            "Onlinecheck": onlinecheck,
+            "Languages": languages,
+            "Laptop": laptop,
+            "Robot": robot,
+            "Skills": skills,
+            "Describe3": describe3,
+            "Experience": experience,
+            "Project Idea": idea
+        })
+
+    try:
+        with open(DATA_FILE, "w") as f:
+            json.dump(data, f, indent=2)
+        print(f"✅ Successfully wrote {len(data)} profiles to {DATA_FILE}")
+    except Exception as e:
+        print(f"❌ Failed to write to {DATA_FILE}: {e}")
+        return "❌ Error saving your profile. Please try again."
+
+    return "✅ Profile saved!"
+
+
+def filter_by_fields(selected_country, selected_city, selected_language):
+    with open(DATA_FILE, "r") as f:
+        data = json.load(f)
+    df = pd.DataFrame(data)
+
+    # Convert list values to readable strings
+    df["Languages"] = df["Languages"].apply(lambda langs: ", ".join(langs) if isinstance(langs, list) else langs)
+
+    if df.empty or "Country" not in df.columns or "Languages" not in df.columns:
+        return "<p>No participants found.</p>"
+
+    if selected_country != "All":
+        df = df[df["Country"] == selected_country]
+
+    if selected_city != "All":
+        df = df[df["City"] == selected_city]
+    
+    if selected_language != "All":
+        df = df[df["Languages"].apply(lambda langs: selected_language in langs)]
+
+    
+    # Hide address
+    if "Address" in df.columns:
+        df = df.drop(columns=["Address"])
+
+    # Rename column headers for display only
+    display_names = {
+        "Discord": "Discord",
+        "Name": "Name",
+        "City": "City",
+        "Country": "Country",
+        "Looking for Team": "Looking for Team",
+        "Onlinecheck": "How?",
+        "Languages": "Languages",
+        "Laptop": "Laptop",
+        "Robot": "Robot",
+        "Skills": "Skills",
+        "Describe3": "Describe",
+        "Experience": "Experience",
+        "Project Idea": "Project Idea"
+    }
+
+    html = '<h3 style="margin-top:20px;">🔍 Find your matching Teammates & Register your team <a href="https://forms.gle/gJEMGD4CEA2emhD18" target="_blank">here</a>👈👈</h3>'
+    html += "<table style='width:100%; border-collapse: collapse;'>"
+
+    # Header row
+    html += "<tr>" + "".join(
+        f"<th style='border: 1px solid #ccc; padding: 6px;'>{display_names.get(col, col)}</th>"
+        for col in df.columns
+    ) + "</tr>"
+
+    # Data rows
+    for _, row in df.iterrows():
+        html += "<tr>"
+        for col in df.columns:
+            val = row[col]
+            if col == "Discord":
+                val = f"<a href='https://discord.com/users/{val}' target='_blank'>{val}</a>"
+            html += f"<td style='border: 1px solid #eee; padding: 6px;'>{val}</td>"
+        html += "</tr>"
+
+    html += "</table>"
+    return html
+
+
+
+
+def update_dropdowns():
+    with open(DATA_FILE, "r") as f:
+        data = json.load(f)
+    if not data:
+        return ["All"], ["All"], ["All"]
+    df = pd.DataFrame(data)
+    if "Country" not in df.columns or "Languages" not in df.columns or "City" not in df.columns:
+        return ["All"], ["All"], ["All"]
+    country_choices = sorted(list(df["Country"].dropna().unique()))
+    city_choices = sorted(list(df["City"].dropna().unique()))
+    language_set = set()
+    for lang_list in df["Languages"].dropna():
+        language_set.update(lang_list)
+    return (
+        ["All"] + country_choices,
+        ["All"] + sorted(language_set),
+        ["All"] + city_choices
+    )
+
+
+
+def delete_by_discord(discord, code):
+    if code != ADMIN_CODE:
+        return "❌ Invalid admin code."
+    with open(DATA_FILE, "r") as f:
+        data = json.load(f)
+    new_data = [d for d in data if d["Discord"].lower() != discord.lower()]
+    with open(DATA_FILE, "w") as f:
+        json.dump(new_data, f, indent=2)
+    return f"🗑️ Deleted user with Discord: {discord}"
+
+with gr.Blocks() as demo:
+    gr.Markdown("# 🌍 LeRobot Worldwide Hackathon - Team-Up Dashboard")
+    gr.Markdown("Submit or update your profile. Required fields marked with *. Find matching teammates and contact them on Discord.")
+
+    with gr.Row():
+        with gr.Column():
+            name = gr.Text(label="Name")
+            discord = gr.Text(label="👤 Discord Username *")
+            city = gr.Text(label="📍 City *")
+            country = gr.Text(label="🌍 Country *")
+            address = gr.Text(label="Address (optional)")
+            looking = gr.Radio(["Yes", "No"], label="🔍 Looking for a team?")
+            onlinecheck = gr.Radio(["Participate Online", "Join a Local Hackathon"], label="🚀 I will...")            
+            languages = gr.CheckboxGroup(choices=["English", "French", "Spanish", "German", "Portuguese", "Chinese", "Arabic", "Hindi"], label="Languages Spoken *")
+            laptop = gr.Text(label="💻 Laptop Setup *")
+            robot = gr.Text(label="Robot Setup *")
+            skills = gr.Text(label="🧠 Your Skills (comma separated)")
+            describe3 = gr.Text(label="🤗 3 Words That Describe You")
+            experience = gr.Dropdown(choices=["Beginner", "Intermediate", "Advanced"], label="Experience Level", value="Beginner")
+            idea = gr.Textbox(label="Project Idea (optional)")
+            submit_btn = gr.Button("Submit or Update Profile ✅")
+            status = gr.Textbox(label="", interactive=False)
+
+        with gr.Column():
+            gr.Markdown("🎯 Choose your preferences to find your teammates (country, city or language)")
+            country_filter = gr.Dropdown(label="Filter by Country", choices=["All"], value="All", allow_custom_value=False)
+            city_filter = gr.Dropdown(label="Filter by City", choices=["All"], value="All", allow_custom_value=False)
+            language_filter = gr.Dropdown(label="Filter by Language", choices=["All"], value="All", allow_custom_value=False)
+            table_html = gr.HTML(label="Matching Participants")
+
+    submit_btn.click(
+        submit_profile,
+        inputs=[name, discord, city, country, address, looking, onlinecheck, languages, laptop, robot, skills, describe3, experience, idea],
+        outputs=[status]
+    )
+
+
+
+def update_dropdown_choices():
+    with open(DATA_FILE, "r") as f:
+        data = json.load(f)
+    df = pd.DataFrame(data)
+
+    country_choices = sorted(df["Country"].dropna().unique()) if "Country" in df else []
+    city_choices = sorted(df["City"].dropna().unique()) if "City" in df else []
+    language_set = set()
+    if "Languages" in df:
+        for lang_list in df["Languages"].dropna():
+            if isinstance(lang_list, list):
+                language_set.update(lang_list)
+            elif isinstance(lang_list, str):
+                language_set.update(lang_list.split(", "))
+    return (
+        gr.update(choices=["All"] + list(country_choices), value="All"),
+        gr.update(choices=["All"] + list(city_choices), value="All"),
+        gr.update(choices=["All"] + sorted(language_set), value="All")
+    )
+
+
+
+def download_csv(code):
+    if code != ADMIN_CODE:
+        raise gr.Error("❌ Invalid admin code.")
+    with open(DATA_FILE, "r") as f:
+        data = json.load(f)
+    df = pd.DataFrame(data)
+    csv_path = os.path.join("data", "teamup_export.csv")
+    df.to_csv(csv_path, index=False)
+    return csv_path
+
+with demo:
+    demo.load(
+        fn=lambda: filter_by_fields("All", "All", "All"),
+        inputs=[],
+        outputs=[table_html]
+    )
+    
+    demo.load(fn=update_dropdown_choices, outputs=[country_filter, city_filter, language_filter])
+
+    country_filter.change(fn=filter_by_fields, inputs=[country_filter, city_filter, language_filter], outputs=table_html)
+    city_filter.change(fn=filter_by_fields, inputs=[country_filter, city_filter, language_filter], outputs=table_html)
+    language_filter.change(fn=filter_by_fields, inputs=[country_filter, city_filter, language_filter], outputs=table_html)
+
+
+
+    gr.Markdown("---\n### 🛡️ Admin Panel (delete by Discord)")
+    admin_discord = gr.Text(label="Discord Username")
+    admin_code = gr.Text(label="Admin Code", type="password")
+    del_btn = gr.Button("Delete Profile")
+    del_status = gr.Textbox(label="Status", interactive=False)
+    del_btn.click(delete_by_discord, inputs=[admin_discord, admin_code], outputs=del_status)
+
+    # 🔐 CSV Download Section (admin-only)
+    gr.Markdown("---\n### 📥 Admin Export CSV")
+    export_code = gr.Text(label="Admin Code", type="password")
+    download_btn = gr.Button("Generate and Download CSV")
+    download_file = gr.File(label="CSV Export", interactive=False)
+    download_btn.click(fn=download_csv, inputs=[export_code], outputs=[download_file])
+
+demo.launch()
+

requirements.txt

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+gradio
+pandas

teamup_data.json

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+[]