def _work(self):
        connection = database.get_connection()
        cursor = connection.cursor()

        sql = "SELECT * FROM profiles WHERE uid = %s"
        cursor.execute(sql, (self._from_id))

        if cursor.fetchall() != ():

            if self._check_have_work():

                t1 = time.time()

                sql = 'SELECT time_job FROM profiles WHERE uid = %s'
                cursor.execute(sql, (self._from_id))

                minute = 0
                time_job = 0

                for i in cursor:
                    time_job += i['time_job']
                    minute += int((t1 - i['time_job']) / 60)

                complete_minute = 15 - minute

                if (15 - minute) >= 15:

                    sql = "SELECT job_id FROM profiles WHERE uid = %s"

                    job_id = 0

                    cursor.execute(sql, (self._from_id))

                    for i in cursor:
                        job_id += i['job_id']

                    sql = "SELECT * FROM works WHERE id = %s"
                    cursor.execute(sql, (job_id))

                    min_earn = 0
                    max_earn = 0

                    for i in cursor:
                        min_earn += i['min']
                        max_earn += i['max']

                    earn = random.randrange(min_earn, max_earn)

                    self._add_balance(earn)

                    sql = 'UPDATE profiles SET time_job = %s'
                    cursor.execute(sql, (time.time()))
                    connection.commit()

                    connection.close()

                    return f'Вы успешно заработали {earn} руб.'

                else:
                    return f"Вы можете работать только через {complete_minute} минут"

            else:
                return 'Вы нигде не работаете'

        else:
            self._add_to_database()
            return '[☢] || Ваш профиль создан!\n'