tejnal / spring-bank-app

Springboot/web Banking Application

Tech stack

Spring boot, Spring data jpa, thymeleaf, spring-web, spring-mvc,lombok, mysql, h2, spring security, Authentication

Features

• This is a simple customer bank application to perform customer transactions
• Customer Sign Up
• Customer Login
• Add as many as accounts for single customer
• Perform deposits
• Perform withdrawals
• You can’t withdrawal money from an account that doesn’t have enough money
• You can check the balance of a given account
• Check the history of transactions
• It supports both in memory DB and mysql

How to run the application ?

Please Follow Step1

Inherent Tech

Hibernate , jdbc, embedded tomcat, sql etc..

Step1: Add the configuration details in application property files

-> Add mysql database connection details 1)How to install mysql and create schema on mac https://www.youtube.com/watch?v=xX9W5dmEpO0 2)Run the below command from terminal 3)mysql.server start 4) Mysql -u root -p 5)enter password for mysql admin 6)Create a schema name : customer-banking-app 7)Run the app from terminal : spring-boot:run

-> Add h2 database connection details this in memory database and test data will be volatile on every deplyment run we need to pump data in to tables along with application deployment.

-> Add hibernate dialect, this will choose better sql for given database

-> Add hibernate ddl auto : this will create schema automatically and create/update columns

-> Add Thymeleaf and web config

Step2: Create Entity classes

This application requires below tables like, -> Create Account -- it provide details like account_balance, curreny etc -> Role -- role details like role name etc -> Withdrawals -> Deposits -> User - user details like email, password, username

Step3: Create repository interfaces for all the entities

In this section we create the repository interfaces

Step4: Register user and validate password

In this section we develop User service interface and implement user service class In the User service implementation class has functionality for user registration and password validation

Step5: Create POJO's for all the application forms

In this section we create POJO'S like CustomerAccountForm, UserCreateForm, WithdrawalForm, DepositForm these java POJO's will store application content that we display in frontend view.

Step6: Implement authorisation for user

In this section we have created authorisation for user

Step7: Implement web security

In this section we focus on to develop web security

Step8: Create controllers

In this section we create controllers for add customer account , list customer account, deposits, withdrawals, signup, login, logout, balance etc

Step9: Crete spring application validation

In this section we create validations for the username, password, email

Steps10: Frontend Implementation with Thymeleaf

Latest complied and minified CSS 
<link rel="stylesheet" href="https://maxcdn.bootstrapcdn.com/bootstrap/3.3.7/css/bootstrap.min.css">

jQuery library 
<script src="https://ajax.googleapis.com/ajax/libs/jquery/3.3.1/jquery.min.js"></script>

Latest compiled JavaScript 
<script src="https://maxcdn.bootstrapcdn.com/bootstrap/3.3.7/js/bootstrap.min.js"></script>

In this section thymeleaf serves the HTML5 pages for login, register, deposits, withdrawals etc.

References

Spring data Jpa :https://www.petrikainulainen.net/spring-data-jpa-tutorial/ Themeleaf: https://o7planning.org/en/12345/thymeleaf Spring boot: https://www.javaguides.net Boostrap template: https://getbootstrap.com/docs/3.3/components/#navbar