app.py

import gradio as gr
from datetime import datetime
import random
import uuid
from dataclasses import dataclass

# Shared state to store messages
messages = []

# Dictionary to store user colors
user_colors = {}

@dataclass
class Data:
    user_id: str
    message: str
    timestamp: str

def get_user_color(user_id):
    if user_id not in user_colors:
        user_colors[user_id] = f"#{random.randint(0, 0xFFFFFF):06x}"
    return user_colors[user_id]

def chat(input_text, history):
    global messages
    
    # Parse the input to get user_id and message
    user_id, message = input_text.split("; ")
    
    # Add the new message to the shared state
    timestamp = datetime.now().strftime("%Y-%m-%d %H:%M:%S")
    user_color = get_user_color(user_id)
    messages.append(Data(user_id=user_id, message=message, timestamp=timestamp))
    
    # Update the chat history
    history.append(f"User_{user_id[:4]}: {message} ({timestamp})")
    return "", history

def get_updates(history):
    global messages
    
    # Check if there are new messages
    if len(messages) > len(history):
        return [f"User_{msg.user_id[:4]}: {msg.message} ({msg.timestamp})" for msg in messages]
    
    # If no new messages, return the current history
    return history

# Create the Gradio interface
with gr.Blocks() as demo:
    chatbot = gr.Chatbot()
    msg = gr.Textbox(label="Type your message here (format: 'id here; text here')")
    clear = gr.Button("Clear")
    
    msg.submit(chat, [msg, chatbot], [msg, chatbot])
    clear.click(lambda: [], outputs=[chatbot])
    
    # Add an update function that runs every 0.2 seconds
    demo.load(get_updates, inputs=chatbot, outputs=chatbot, every=0.2)

# Launch the app
if __name__ == "__main__":
    demo.launch()