yr3Q1xby

1"""
2self.information_for_database_database = 0
3 d = self.information_for_database_database.fetchone()
4self.information_for_database_database = self.conn.execute("SELECT * FROM card")
5"""
6
7import random
8import sqlite3 as sl
9
10class CardAnatomy:
11    def __init__(self):
12        self.__accounts = {}
13        self.__converted_list_of_numbers = []
14        self.__last_digit_card = 0
15        self.__card_number_sum = 0
16        self.choice = 0
17        self.__balance = 0
18        self.exit_point = False
19        self.__function_selection = 0
20        self.conn = sl.connect('card.s3db')
21        self.conn.execute("""
22CREATE TABLE IF NOT EXISTS card 
23(
24    id INTEGER NOT NULL PRIMARY KEY AUTOINCREMENT,
25    number TEXT,
26    pin TEXT,
27    balance INTEGER DEFAULT 0
28);
29                        """)
30
31
32    def main_menu(self):
33        print("""
341. Create an account
352. Log into account
360. Exit""")
37        self.choice = int(input(""))
38        return self.user_choice()
39
40
41    def __create_card(self):
42        while True:
43            random.seed(random.randint(0, 5000))
44            card = 4000000000000000 + random.randint(0000000000, 9999999999)
45            pin = (random.randint(0, 9999))
46            pin = str(pin).zfill(4)
47
48            self.__converted_list_of_numbers = list(map(int, list(str(card))))[::-1]
49            self.__last_digit_card, self.__card_number_sum = 0, 0
50
51            for num in range(0, len(self.__converted_list_of_numbers)):
52                if not num == 0:
53                    if num % 2 != 0:
54                        self.__card_number_sum += self.__converted_list_of_numbers[num] * 2 - 9 \
55                            if self.__converted_list_of_numbers[num] * 2 > 9 else\
56                            self.__converted_list_of_numbers[num] * 2
57                    else:
58                        self.__card_number_sum += self.__converted_list_of_numbers[num]
59                else:
60                    self.__last_digit_card = self.__converted_list_of_numbers[num]
61
62            if (self.__card_number_sum + self.__last_digit_card) % 10 == 0:
63                self.conn.execute('INSERT INTO card (number, pin) values( ?, ?)', (str(card), pin))
64                self.__accounts[str(card)] = pin
65                #print(self.__accounts)
66                print(f"""
67Your card has been created
68Your card number:
69{card}
70Your card PIN:
71{pin}""")
72                return self.main_menu()
73            else:
74                continue
75
76
77
78    def authorization(self):
79        for _ in iter(int, 1):
80            check_login = input("""
81Enter your card number:
82""")
83            check_pin = input("""Enter your PIN:
84""")
85            if check_login.isdigit() and check_pin.isdigit():
86                #check_login = int(check_login)
87                #check_pin = int(check_pin)
88                if self.__accounts.get(check_login) == check_pin:
89                    print("""
90You have successfully logged in!""")
91                    self.__function_selection = self.user_account()
92                else:
93                    print("""
94Wrong card number or PIN!""")
95                    self.__function_selection = self.main_menu()
96                return self.__function_selection
97            else:
98                continue
99
100
101    def user_account(self):
102        while not self.exit_point:
103            print("""
1041. Balance
1052. Log out
1060. Exit""")
107            self.choice = int(input(" "))
108            if self.choice == 1:
109                print(f"""
110Balance: {self.__balance}""")
111                continue
112            elif self.choice == 2:
113                self.__function_selection = self.main_menu()
114            elif self.choice == 0:
115                self.exit_point = True
116                self.__function_selection = self.exit_s_db()
117        return self.__function_selection
118
119
120    def user_choice(self):
121        while not self.exit_point and self.choice in [0, 1, 2]:
122            if self.choice == 1:
123                self.__function_selection = self.__create_card()
124            elif self.choice == 2:
125                self.__function_selection = self.authorization()
126            elif self.choice == 0:
127                self.exit_point = True
128                self.__function_selection = self.exit_s_db()
129        return self.__function_selection
130
131
132    def exit_s_db(self):
133        self.conn.commit()
134        self.conn.close()
135        return "Bye!"
136
137
138ron = CardAnatomy()
139print(ron.main_menu())
140