ATM CLI

This project is a Command Line Interface (CLI) to simulate an interaction of an ATM with a retail bank.

Architecture

presenter: spring shell

core module: business logic

DB infra: springboot JPA + H2 database

Prerequisites

Ensure you have this installed before proceeding further.

• Java 11
• Maven 3.8.1+

Get Started

• Clone repository
• Build project
• Run the built image
• Enjoy!

Running for development

Build

$ mvn clean install

Start

java -jar ./cli/target/cli-0.0.1-SNAPSHOT.jar

** Testable Class com.github.gusmanwidodo.atm.core.service.ATMServiceTest

Specification

Commands

• login [name] - Logs in as this customer and creates the customer if not exist

• deposit [amount] - Deposits this amount to the logged in customer

• withdraw [amount] - Withdraws this amount from the logged in customer

• transfer [target] [amount] - Transfers this amount from the logged in customer to the target customer

• logout - Logs out of the current customer

Entity Relational Diagram (ERD)

Structure

Core Module

➜  atm git:(main) ✗  tree core/src/main/java/com/github/gusmanwidodo/atm/core
core/src/main/java/com/github/gusmanwidodo/atm/core
|-- constant
|   |-- AuthData.java
|   |-- Bank.java
|   |-- RefType.java
|   `-- Status.java
|-- exception
|   `-- AmountInvalidException.java
|-- model
|   |-- Account.java
|   |-- Customer.java
|   |-- Payment.java
|   `-- Transaction.java
|-- repository
|   |-- AccountRepository.java
|   |-- CustomerRepository.java
|   |-- PaymentRepository.java
|   `-- TransactionRepository.java
`-- service
    |-- ATMService.java
    |-- ATMServiceImpl.java
    `-- TransferManager.java

5 directories, 16 files

Cli

➜  atm git:(main) ✗  tree cli/src/main/java/com/github/gusmanwidodo/atm/cli
cli/src/main/java/com/github/gusmanwidodo/atm/cli
|-- CliApplication.java
`-- command
    `-- ATMCommand.java

1 directory, 2 files

Todo List

• Enrich Unit Testing with various cases
• Detail Exception class
• more...

Screenshots

Author

• Gusman Widodo <gusmanwidodo@gmail.com>