app.py

import os
import gradio as gr
from model.controller import Controller
import rarfile

# Install unrar-free and make it available for rarfile to use
os.system('apt-get update && apt-get install -y unrar-free')

# Change working directory to /home/user/app
os.chdir("/home/user/app")

# Download and prepare data files in the correct directory
os.system('wget -O processed_cases.csv "https://drive.usercontent.google.com/download?id=1jMuQtywo0mbj7ZHCCsyE8xurbSyVVCst&export=download&confirm=t&uuid=2f681c98-86f8-4159-9e03-673cdcbc7cb51"')
os.system('wget -O chromadb_collection.rar "https://drive.usercontent.google.com/download?id=1-3N-QjK6QMogy2mcNEKjTg_9yIrSjh4A&export=download&confirm=t&uuid=ceed27ad-0f81-4c16-b70f-68cebcc55279"')

# Use rarfile to extract the .rar file
rarfile.UNRAR_TOOL = "unrar"
with rarfile.RarFile("chromadb_collection.rar") as rf:
    rf.extractall()
    
os.system('mv content/chromadb_collections chromadb_collections')
os.system('rm -r content')

# Initialize your controller
bot = Controller()

# Define chatbot function
def chatbot_interface(user_input, chat_id=2311):
    return bot.handle_message(chat_id, user_input)

# Define Gradio interface
with gr.Blocks() as interface:
    gr.Markdown("## RAG Law Chatbot")
    
    chatbot = gr.Chatbot()
    user_input = gr.Textbox(show_label=False, placeholder="Enter your law question...")
    send_button = gr.Button("Send")

    def chat_update(user_message, history):
        history = history or []
        bot_reply = chatbot_interface(user_message)
        history.append((user_message, bot_reply))
        return history, ""

    send_button.click(chat_update, [user_input, chatbot], [chatbot, user_input])

# Launch the Gradio interface
interface.launch(share=True)