app.py

BOT_TOKEN = '6573536783:AAFxDVflga8vYXdqhJG-14zjhdmvOrtbQuQ'
import logging
import PyPDF2
import io
import win32print
import win32ui
from telegram import Update, InlineKeyboardButton, InlineKeyboardMarkup
from telegram.ext import Updater, CommandHandler, MessageHandler, CallbackContext, Filters, CallbackQueryHandler

# Your provided BOT_TOKEN


# Enable logging
logging.basicConfig(format='%(asctime)s - %(name)s - %(levelname)s - %(message)s', level=logging.INFO)

# Initialize the updater and dispatcher
updater = Updater(token=BOT_TOKEN, use_context=True)
dispatcher = updater.dispatcher

# Define the PDF file and printer name
printer_name = win32print.GetDefaultPrinter()

# Define a custom filter to check if a message contains a PDF file
def is_pdf(update: Update) -> bool:
    return update.message.document and update.message.document.file_name.endswith('.pdf')

# Define a function to handle greetings and other user messages
def handle_user_message(update: Update, context: CallbackContext):
    user_message = update.message.text.lower()
    if user_message == 'hello':
        update.message.reply_text("Hello! How can I assist you today?")
    elif 'thank you' in user_message:
        update.message.reply_text("You're welcome!")
    elif 'how are you' in user_message:
        update.message.reply_text("I'm just a bot, but I'm here to help you!")
    else:
        update.message.reply_text("I can handle PDF files. Please send me a PDF file.")

# Define a function to handle the user's choice (single side or double side)
def handle_choice(update: Update, context: CallbackContext):
    query = update.callback_query
    choice = query.data
    
    # Get the PDF file's name and number of pages from the context
    pdf_name = context.user_data.get('pdf_name')
    num_pages = context.user_data.get('num_pages')
    
    # Calculate the price based on the user's choice
    if choice == 'single':
        price = num_pages * 3
    elif choice == 'double':
        price = (num_pages // 2) * 4 + (num_pages % 2) * 3
    
    # Send a message with the price
    response_message = f"PDF: {pdf_name}\nNumber of pages: {num_pages}\nPrice: {price} INR"
    query.edit_message_text(text=response_message)
    
    # Print the document
    #print_pdf(pdf_name)

# Define a function to print the PDF document
def print_pdf(pdf_file):
    # Open the PDF file
    pdf = PyPDF2.PdfReader(open(pdf_file, "rb"))

    # Define the printer settings
    printer_handle = win32print.OpenPrinter(printer_name)
    printer_info = win32print.GetPrinter(printer_handle, 2)
    printer_dc = win32ui.CreateDC()
    printer_dc.CreatePrinterDC(printer_name)

    # Start a new page
    printer_dc.StartDoc(pdf_file)
    printer_dc.StartPage()

    # Loop through the pages in the PDF and print each page
    for page_num in range(len(pdf.pages)):
        page = pdf.pages[page_num]
        text = page.extract_text()
        printer_dc.TextOut(100, 100, text)

        # Print status for each page
        print(f"Printing page {page_num + 1}/{len(pdf.pages)}")

    # End the page and the document
    printer_dc.EndPage()
    printer_dc.EndDoc()

    # Close the printer
    win32print.ClosePrinter(printer_handle)

    # Print a completion message
    print("Printing completed.")

# Define the echo handler to handle PDF files
def echo(update: Update, context: CallbackContext):
    # Get the PDF file
    file = context.bot.get_file(update.message.document.file_id)
    
    # Get the PDF file's name
    pdf_name = update.message.document.file_name
    
    # Download the PDF file as 'downloaded.pdf'
    file.download('downloaded.pdf')
    
    # Use PyPDF2's PdfReader to calculate the number of pages
    pdf_reader = PyPDF2.PdfReader('downloaded.pdf')
    num_pages = len(pdf_reader.pages)
    
    # Store the PDF details in context for later use
    context.user_data['pdf_name'] = pdf_name
    context.user_data['num_pages'] = num_pages
    
    # Create inline keyboard buttons for the user to choose single side or double side
    keyboard = [
        [InlineKeyboardButton("Single Side", callback_data='single')],
        [InlineKeyboardButton("Double Side", callback_data='double')],
    ]
    reply_markup = InlineKeyboardMarkup(keyboard)
    
    # Ask the user to choose the printing preference
    update.message.reply_text(f"PDF: {pdf_name}\nNumber of pages: {num_pages}\nPlease choose your printing preference:",
                              reply_markup=reply_markup)

# Add the command handler and message handlers to the dispatcher
dispatcher.add_handler(CommandHandler("start", handle_user_message))
dispatcher.add_handler(MessageHandler(Filters.text & ~Filters.command, handle_user_message))  # Handles greetings and more
dispatcher.add_handler(MessageHandler(Filters.document & Filters.update, echo))  # Handles PDFs
dispatcher.add_handler(CallbackQueryHandler(handle_choice))  # Handles user choice

# Start the bot
updater.start_polling()
updater.idle()