import telebot from telebot.types import InlineKeyboardMarkup, InlineKeyboardButton from datetime import datetime, timedelta, timezone import time from threading import Thread class TelegramBot: def __init__(self, bot_token, db_path='bot_database.db'): self.bot = telebot.TeleBot(bot_token) self.db_path = db_path self.user_selected_slot = {} # Store user selected slot by chat ID self.user_bookings = {} # Store user bookings by chat ID self.watchlist = {} # Watchlist to store full slots by chat ID self.init_db() # Set up the command handlers @self.bot.message_handler(commands=['start']) def send_welcome(message): self.handle_login(message) @self.bot.message_handler(commands=['make_booking']) def make_booking(message): self.handle_booking(message) @self.bot.callback_query_handler(func=lambda call: call.data.startswith("book_")) def callback_booking(call): self.handle_callback_booking(call) @self.bot.message_handler(commands=['cancel_booking']) def cancel_booking(message): self.handle_cancel_booking(message) @self.bot.callback_query_handler(func=lambda call: call.data.startswith("cancel_")) def callback_cancel_booking(call): self.handle_callback_cancel_booking(call) def init_db(self): with sqlite3.connect(self.db_path) as conn: cursor = conn.cursor() # Create tables cursor.execute(''' CREATE TABLE IF NOT EXISTS users ( id INTEGER PRIMARY KEY AUTOINCREMENT, chat_id INTEGER UNIQUE, username TEXT, password TEXT ) ''') cursor.execute(''' CREATE TABLE IF NOT EXISTS chats ( chat_id INTEGER PRIMARY KEY, username TEXT ) ''') conn.commit() def handle_login(self, message): chat_id = message.chat.id with sqlite3.connect(self.db_path) as conn: cursor = conn.cursor() cursor.execute('SELECT username FROM chats WHERE chat_id = ?', (chat_id,)) result = cursor.fetchone() if result: self.bot.reply_to(message, "You are already logged in.") else: self.bot.reply_to(message, "Please provide your username and password in the format:\n`/login username password`") self.bot.register_next_step_handler(message, self.process_login) def process_login(self, message): try: command, username, password = message.text.split() with sqlite3.connect(self.db_path) as conn: cursor = conn.cursor() cursor.execute('SELECT * FROM users WHERE username = ? AND password = ?', (username, password)) user = cursor.fetchone() if user: cursor.execute('INSERT OR IGNORE INTO chats (chat_id, username) VALUES (?, ?)', (message.chat.id, username)) conn.commit() self.bot.reply_to(message, "Login successful!") else: self.bot.reply_to(message, "Invalid credentials. Please try again.") self.handle_login(message) except ValueError: self.bot.reply_to(message, "Invalid format. Please use `/login username password`.") def send_welcome(self,message): self.bot.reply_to(message, "Welcome! Use /make_booking to view and book available slots.") def handle_booking(self,message): start = datetime.now() end = start + timedelta(days=1) slots = self.xclient.list_slots(start, end) if slots: markup = InlineKeyboardMarkup() for i, slot in enumerate(slots): # Create a button for each slot status = "Available" if slot.available else "FULL" button_text = f"Slot {i + 1}: {slot.start_stamp} ({status})" markup.add(InlineKeyboardButton(button_text, callback_data=f"book_{i}")) self.bot.reply_to(message, "Select a slot to book or watch:", reply_markup=markup) self.user_selected_slot[message.chat.id] = slots else: self.bot.reply_to(message, "No slots found.") def handle_callback_booking(self, call): try: # Extract slot index from callback data slot_index = int(call.data.split('_')[1]) slots = self.user_selected_slot.get(call.message.chat.id, []) if 0 <= slot_index < len(slots): selected_slot = slots[slot_index] if selected_slot.available: # Attempt to book the available slot try: self.xclient.make_booking(selected_slot) self.bot.answer_callback_query(call.id, "Slot booked successfully!") self.bot.send_message(call.message.chat.id, f"Booking confirmed for: {selected_slot.start_stamp}") except Exception as e: self.bot.answer_callback_query(call.id, "Failed to book slot.") self.bot.send_message(call.message.chat.id, f"Error: {str(e)}") else: # Slot is full, add to watchlist self.add_to_watchlist(call.message.chat.id, selected_slot) self.bot.answer_callback_query(call.id, "Slot is full. Added to watchlist.") self.bot.send_message(call.message.chat.id, f"Slot {selected_slot.start_stamp} is full. You will be notified when it becomes available.") else: self.bot.answer_callback_query(call.id, "Invalid slot selection.") except (IndexError, ValueError): self.bot.answer_callback_query(call.id, "Invalid data.") def handle_cancel_booking(self, message): # Fetch user's current bookings bookings = self.xclient.my_bookings(datetime.now(), datetime.now() + timedelta(days=31)) if bookings: markup = InlineKeyboardMarkup() for i, booking in enumerate(bookings): # Create a button for each booking button_text = f"Booking {i + 1}: {booking.start_stamp}" markup.add(InlineKeyboardButton(button_text, callback_data=f"cancel_{i}")) self.user_bookings[message.chat.id] = bookings self.bot.reply_to(message, "Select a booking to cancel:", reply_markup=markup) else: self.bot.reply_to(message, "You have no bookings to cancel.") def handle_callback_cancel_booking(self, call): try: # Extract booking index from callback data booking_index = int(call.data.split('_')[1]) bookings = self.user_bookings.get(call.message.chat.id, []) if 0 <= booking_index < len(bookings): selected_booking = bookings[booking_index] # Attempt to cancel the selected booking try: if self.xclient.cancel_booking(selected_booking): self.bot.answer_callback_query(call.id, "Booking canceled successfully!") self.bot.send_message(call.message.chat.id, f"Booking for {selected_booking.start_stamp} has been canceled.") else: self.bot.answer_callback_query(call.id, "Failed to cancel booking.") except Exception as e: self.bot.answer_callback_query(call.id, "Failed to cancel booking.") self.bot.send_message(call.message.chat.id, f"Error: {str(e)}") else: self.bot.answer_callback_query(call.id, "Invalid booking selection.") except (IndexError, ValueError): self.bot.answer_callback_query(call.id, "Invalid data.") def add_to_watchlist(self, chat_id, slot): if chat_id not in self.watchlist: self.watchlist[chat_id] = [] self.watchlist[chat_id].append(slot) def check_watchlist(self): now = datetime.now().replace(tzinfo=timezone.utc) for chat_id, slots in list(self.watchlist.items()): available_slots = [] for slot in slots: if slot.start < now: # If the slot has expired self.bot.send_message(chat_id, f"Slot {slot.start_stamp} has expired and is no longer available.") available_slots.append(slot) # Mark it to remove from watchlist elif self.xclient.check_booking_availability(slot): # If the slot becomes available try: self.xclient.make_booking(slot) self.bot.send_message(chat_id, f"Slot {slot.start_stamp} is now available and has been booked for you.") available_slots.append(slot) # Mark it to remove from watchlist except Exception as e: self.bot.send_message(chat_id, f"Error booking slot {slot.start_stamp}: {str(e)}") # Remove the expired or booked slots from the watchlist self.watchlist[chat_id] = [slot for slot in slots if slot not in available_slots] if not self.watchlist[chat_id]: del self.watchlist[chat_id] # Remove chat_id from watchlist if empty def calculate_polling_interval(self, slot_time): now = datetime.now().replace(tzinfo=timezone.utc) time_until_slot = (slot_time - now).total_seconds() if time_until_slot < 3600: # If less than 1 hour return 300 # 5 minutes else: return 1800 # 30 minutes def poll_periodically(self): # Continuously poll the watchlist at dynamically adjusted intervals while True: self.check_watchlist() # Calculate the minimum polling interval based on upcoming slots polling_interval = 1800 # Default 30 minutes for chat_id, slots in self.watchlist.items(): for slot in slots: interval = self.calculate_polling_interval(slot.start) polling_interval = min(polling_interval, interval) time.sleep(polling_interval) # Wait before checking the watchlist again def run(self): ### start poll_periodically on seperate thread thread = Thread(target = self.poll_periodically, args = ()) thread.daemon = True thread.start() self.bot.polling() thread.kill()