Bank System

Java console application, simulating performing basic operations in a bank system.

Functionalities

Register

Registers new user in the system.

register <username> <password> <repeat_password> <email> <user_status>

Login

Logs a registered user in the system.

login <username> <password>

Delete user profile

Deletes current user's profile.

delete-profile

Get user details

Displays user's personal details.

get-user <password>*

*If logged as admin or clerk, can get other user details by specifying the username.

Send message

Allows the current user to send another user a message.

send-message <username> <message>

Read new messages

Displays to the current user the new messages in inbox.

read-new-messages

Logout

Logs user out of the system

logout

Create account

Allows the current user to create a new bank account.

create-account <account_type> <initial_money>

List accounts

Displays all bank accounts, belonging to the current user.

list-accounts

Transfer money

Allows the current user to transfer money from one of his accounts to another account.

transfer <iban_from> <iban_to> <money>

Cash money in

Allows the current user to transfer money into an account.

cash-in <money> <iban>

Withdraw money

Allows the current user to take money from one of his accounts.

withdraw <iban> <money>

Set account interest rate

Allows an admin or a clerk to change an account's interest rate.

set-rate <iban> <interest_rate>

Calculate best savings

Displays the money the current user can save and put into a savings account based on the incomes and outcomes in the previous period (if there's one, otherwise the current) and the money now in his accounts.

calculate-best-savings

Move period

Allows an admin or a clerk to move all accounts in the system to the next period.

move-period

Specifics

User status

• CLIENT
• CLERK
• ADMIN

Password

Passwords are required to have minimum 8 characters, of which at least 1 lowercase letter, 1 uppercase letter and 1 digit

Account type

Checking Account

• Type - checkingAccount
• Description - Secure and easy access to your money for your daily transactional needs
• Minimum opening deposit - 100
• Period service fee - 1
• Interest rate - 0.1

Savings Account

• Type - savingsAccount
• Description - Accumulate interest on funds you have saved for future needs.
• Minimum opening deposit - 150
• Period service fee - 2
• Interest rate - 0.05

Certificate of Deposit

• Type - certificateOfDeposit
• Description - Invest your money at a set interest rate for a pre-set period of time
• Minimum opening deposit - 700
• Period service fee - 3
• Interest rate - 0.1

Money Market Account

• Type - moneyMarketAccount
• Description - Accumulate interest on funds you have saved for future needs by maintaining a higher balance to avoid a monthly service fee.
• Minimum opening deposit - 250
• Period service fee - 0
• Interest rate - 0.1

Individual Retirement Account

Traditional IRA

• Type - traditionalIRA
• Description - Save independently for your retirement. Contributions are tax-deductible.
• Minimum opening deposit - 200
• Period service fee - 2
• Interest rate - 0.1
• Contribution limit - 300

Roth IRA

• Type - rothIRA
• Description - Save independently for your retirement. Funds can be withdrawn tax-free in many situations.
• Minimum opening deposit - 200
• Period service fee - 2
• Interest rate - 0.1
• Contribution limit - 400

Files

• users.txt - users database
• accounts.txt - accounts database

The 'resources' directory and the two files are automatically generated the first time the application is started.
  
Initially the database contains 2 registered users:
 - Username: admin  Password: adminAdmin5
 - Username: clerk  Password: clerk12Clerk

Structure

src
- bg/sofia/uni/fmi/mjt/project/
   - BankClient.java
   - BankServer.java 
   - DatabasesConstants.java
   - accounts/
   |   - Account.java
   |   - AccountProfile.java
   |   - AccountsDatabase.java
   |   - Period.java
   |   - Transaction.java
   |   - types/
   |      - AccountType.java
   |      - AccountTypeFactory.java
   |      - CertificateOfDeposit.java
   |      - CheckingAccount.java
   |      - IndividualRetirementAccount.java
   |      - MoneyMarketAccount.java
   |      - RothIRA.java
   |      - SavingsAccount.java
   |      - TraditionalIRA.java
   - actions/
   |   - Action.java
   |   - ActionFactory.java
   |   - ActionsConstants.java
   |   - ClientActionFactory.java
   |   - ServerActionFactory.java
   |   - account/
   |   |  - AccountAction.java
   |   |  - CalculateBestSavingsAction.java
   |   |  - CashInMoneyAction.java
   |   |  - CreateAccountAction.java
   |   |  - DisplayAccountsAction.java
   |   |  - MovePeriodAction.java
   |   |  - SetAccountInterestRateAction.java
   |   |  - TransferMoneyAction.java
   |   |  - WithdrawMoneyAction.java
   |   - user/
   |      - DeleteUserAction.java
   |      - GetUserAction.java
   |      - LoginAction.java
   |      - LogoutAction.java
   |      - ReadMessagesAction.java
   |      - RegisterAction.java
   |      - SendMessageAction.java
   |		- SocketDisconnect.java
   |      - UserAction.java
   - exceptions/
   |   - InvalidFieldException.java
   |   - NoSuchAccountException.java
   |   - NoSuchUserException.java
   |   - NotLoggedException.java
   |   - UserAlreadyLoggedException.java
   |   - ViolationException.java
   - threads/
   |   - ClientRunnable.java
   |   - ServerRunnable.java
   - users/
       - Status.java
       - User.java
       - UserProfile.java
       - UsersDatabase.java
test
- bg/sofia/uni/fmi/mjt/project/
   - accounts/
   |   - AccountProfileTest.java
   |   - AccountsDatabaseTest.java
   |   - AccountTest.java
   - actions/
   |   - ClientActionFactoryTest.java
   |   - ServerActionFactoryTest.java
   |   - account/
   |   |  - CalculateBestSavingsActionTest.java
   |   |  - CashInMoneyActionTest.java
   |   |  - CreateAccountActionTest.java
   |   |  - DisplayAccountsActionTest.java
   |   |  - MovePeriodActionTest.java
   |   |  - SetAccountInterestRateActionTest.java
   |   |  - TransferMoneyActionTest.java
   |   |  - WithdrawMoneyActionTest.java
   |   - user/
   |      - DeleteUserActionTest.java
   |      - GetUserActionTest.java
   |      - LoginActionTest.java
   |      - LogoutActionTest.java
   |      - ReadMessagesActionTest.java
   |      - RegisterActionTest.java
   |      - SendMessageActionTest.java
   - users/
       - UsersDatabaseTest.java
lib
- byte-buddy-1.9.0.jar
- byte-buddy-agent-1.9.0.jar
- gson-2.8.5.jar
- iban4j-3.2.1.jar
- mockito-core-2.23.4.jar
- objenesis-2.6.jar
resources
- accounts.txt
- users.txt