telegrambot/main.py

import telebot
import datetime
import sqlite3
import re
class Database:
    def __init__(self,db_name) -> None:
        self.db_name = db_name
        self.__create_table()
    def __create_table(self):
        sql = self.connect_db()
        sql["cursor"].execute("""
           create table if not exists users (
                id integer primary key autoincrement,
                id_telegram integer not null unique,
                username text,
                first_name text,
                last_name text,
                date_register date,
                access boolean default 1
            )                   
        """)
        sql["cursor"].execute("""
        create table if not exists messages (
                id integer primary key autoincrement,
                id_user integer not null,
                message_id integer not null,
                message_text text not null,
                date_send date,
                status boolean default 0 check(status in (0,1)),
                foreign key (id_user) references users(id)
        )
        """)

        self.close(sql['connect'],sql['cursor'])
    def connect_db(self):
        with sqlite3.connect(self.db_name) as connect:
            cursor = connect.cursor()
        return {"connect":connect,"cursor":cursor}
    def check_user(self,user_id: int):
        sql = self.connect_db()
        sql["cursor"].execute("select * from users where id_telegram = ?", (user_id,))
        info_users = sql["cursor"].fetchone()
        self.close(sql['connect'],sql['cursor'])
        if info_users is None:
            return {"status":False,"info_users":info_users}
        return {"status":True,"info_user":info_users}
    def create_user(self, message: telebot.types.Message):
        sql = self.connect_db()
        date = datetime.datetime.now().strftime("%Y-%m-%d")
        sql["cursor"].execute("""
            insert into users (id_telegram, username, first_name, last_name, date_register) values (?,?,?,?,?)
        """, (message.from_user.id, message.from_user.username,message.from_user.first_name,message.from_user.last_name,date))
        sql["connect"].commit()
        self.close(sql['connect'],sql['cursor'])
    def create_message(self,message: telebot.types.Message,info_user):
        sql = self.connect_db()
        date = datetime.datetime.now().strftime("%Y-%m-%d")
        sql["cursor"].execute("""
            insert into messages (id_user, message_id, message_text, date_send) values (?,?,?,?)
        """, (info_user[0],message.message_id,message.text,date))
        sql["connect"].commit()

        self.close(sql['connect'],sql['cursor'])
        return sql["cursor"].lastrowid
    def close(self,connect,cursor):
        cursor.close()
        connect.close()


class TelegramBot(Database):
    def __init__(self,db_name,token):
        super().__init__(db_name)
        self.bot = telebot.TeleBot(token)
        self.admin_chat_id = -4235588549
        self.router()

    def router(self):
        @self.bot.message_handler(commands=['start'])
        def start(message: telebot.types.Message):
            text = ""
            if self.check_user(message.from_user.id)["status"]:
                text += f"С возвращением, {message.from_user.first_name}"
            else:
                self.create_user(message)
                text += f"Добро пожаловать, {message.from_user.first_name}"
            self.bot.send_message(
                message.chat.id,
                text
            )
        @self.bot.message_handler(func=lambda message: True)
        def echo_all(message: telebot.types.Message):
            if message.chat.id == self.admin_chat_id:
                pass
            if message.chat.id == self.admin_chat_id and message.reply_to_message != None:
                reply_message = message.reply_to_message.text
                id_application = re.search(r"Номер заявки: (\d+)",reply_message).group(1)
                id_user = re.search(r"ID пользователя: (\d+)",reply_message).group(1)
                message_text = reply_message.split("\n")
                print(id_application,id_user)
                self.bot.send_message(
                    id_user,
                    f"Ответ от админа: {message.text}"
                )
            else:
                check = self.check_user(message.from_user.id)
                if not check["status"]:
                    self.create_user(message)
                    check = self.check_user(message.from_user.id)
                id_message = self.create_message(message,check["info_user"])
                self.bot.reply_to(message,"Сообщение отправлено админу")
                text = f'''
Номер заявки: {id_message}
ID пользователя: {message.from_user.id}
Сообщение: {message.text}
'''
                self.bot.send_message(self.admin_chat_id, text)

        self.bot.polling()
            
TelegramBot(
    db_name="tg.db",
    token=""
)