cun-bjy / simple-atm-controller

Implementation of Custom Task for Code Tests.

simple-ATM-controller

Implementation of Custom Task for Code Tests.

Structure

simple-ATM-controller 
├── ATMAccounts.db 	# user accounts database
├── db_manager.py	# for db-management or monitor
├── main.py			# main routine for this task
├── module			# backend modules
│   ├── backend.py	# simple-atm-controller structure & methods
│   ├── database.py # database structure & methods
│   └── __init__.py
└── README.md

Guide

main.py

1. Main Screen

   ======================================
   	Wellcome to					
   	Simple ATM Controller		
   ======================================
   jointed accounts:3
   
   Access via
   1. Card Number
   
   If you don't have any account,
   2. New Account
   
   3. Exit
   
   >>

2. Access via Card Number

   • 2-1. When you enter '1', you can access your account using card_id & pin_number

     >>1
     insert card number: 3020
     pin_number: 1111

   • 2-2. And then, choose which you want to transaction with(enter the account id). you can do the three things(See balance, Deposit, Withdraw).

     =======Select_A_Account========
     0. account: cun	id: 420538
     -
     1. account: cun2	id: 405739
     -
     2. account: cun3	id: 487215
     -
     3. account: cun4	id: 419802
     -
     4. account: cun6	id: 802593
     -
     ===============================
     enter account_id
     >>802593
     Choose What you want to
     1. See balance
     2. Deposit
     3. WithDraw
     >>

     • See Balance

       >>1
       balance: $10

     • Deposit

       >>2
       balance: $10
       how much do you want to deposit?
       >>10
       $10 deposited. balance: $20

     • Withdraw

       >>3
       balance: $20
       how much do you want to withdraw?
       >>10
       $10 withdrawed. balance: $10

3. Create New Account

   • When you have a card already, enter 'y' for your connection w/ your other accounts.

     >>2
     Do you have a card?(y/n)
     >y
     card_id: 3020
     pin_number: 1111
     account_name: cun7
     initial deposit: 10
     -
     name: cun7	accound_id: 164171
     card_id: 3020	balance: 10
     new account created.
      you should keep the card number.
     -

     • please, keep your card_id !!! if you couldn't remember, you can see on the db_manager.

   • If you don't have any account, enter 'n'

     >>2
     Do you have a card?(y/n)
     >n
     account_name: cun8
     pin_number: 1111
     pin_number confirm: 1111
     initial deposit: 10
     - 
     name: cun8	accound_id: 241330
     card_id: 2189	balance: 10
     new account created.
      you should keep the card number.

     • please, keep your card_id !!!

db_manager.py

It is not for normal user. for maintenance.

1. Show DB Table

   1. db_table, 2. delete_account, 3. exit
   >1
   ======================ACCOUNTS TABLE========================
   0. account: cun	 id: 420538	 card_id: 3020	 balance: $30	
   1. account: cun2	 id: 405739	 card_id: 3020	 balance: $10	
   2. account: cun3	 id: 487215	 card_id: 3020	 balance: $50	
   3. account: cun4	 id: 419802	 card_id: 3020	 balance: $50	
   4. account: cun5	 id: 199195	 card_id: 3020	 balance: $50	
   5. account: cun6	 id: 802593	 card_id: 3020	 balance: $10	
   ============================================================

2. Delete Account

   1. db_table, 2. delete_account, 3. exit
   >2
   plz type the account_id what you want to delete
   >199195
   1. db_table, 2. delete_account, 3. exit
   >1
   ======================ACCOUNTS TABLE========================
   0. account: cun	 id: 420538	 card_id: 3020	 balance: $30	
   1. account: cun2	 id: 405739	 card_id: 3020	 balance: $10	
   2. account: cun3	 id: 487215	 card_id: 3020	 balance: $50	
   3. account: cun4	 id: 419802	 card_id: 3020	 balance: $50	
   4. account: cun6	 id: 802593	 card_id: 3020	 balance: $10	
   ============================================================