Spring Boot Application

Table of Contents

1. Introduction
2. Folder Structure
3. Features
   • Endpoints
4. Installation
5. Usage

Introduction

This is a Spring Boot application designed to manage users and their corresponding accounts and addresses. It showcases relationships between entities and provides CRUD (Create, Read, Update, Delete) functionalities.

Deployed Site:

https://bankapplication.up.railway.app/users

To Add Users: https://bankapplication.up.railway.app/register

To Update Users: Click on a user and access users' address and account details

Project Gif Preview

Folder Structure

Features

Technologies Used:

• SpringBoot, Java, Thymeleaf, SQL, Hibernate

Service Layer Functionalities

Account Management

• Total Account Calculation: Utilizes a custom query to compute the aggregate number of accounts.
• Account Modification with Many-to-Many Relationships: Provides both updating and addition of new accounts, while maintaining many-to-many relationships with users.
• Account Detail Retrieval: Enables the fetching of individual account details.
• Dynamic Account Number Assignment: Implements automatic generation of new account numbers based on the highest existing account number.

User Management

• Comprehensive User Listing with Associations: Lists users along with their 1-to-1 associated addresses and many-to-many associated accounts.
• Initial Account Allocation for New Users: Automatically sets up initial 'Checking' and 'Savings' accounts for new users and establishes many-to-many relationships with them.
• User and Address Modification: Supports updating and deletion of users, along with their 1-to-1 associated addresses, while preserving many-to-many relationships with accounts.

General Features

• Form-Based Operations: All user interactions are facilitated through HTML forms, with no JavaScript involved.

API Endpoints

POST /register

• User Registration: Allows for the registration of new users through the UI.

GET /users

• User Listing with Associations: Shows all registered users, along with their login credentials, 1-to-1 associated addresses, and clickable many-to-many associated accounts.
  • Associated Service Method: UserService.findAll()

GET, PUT, DELETE /users/{user_id}

• User Detail Operations:
  • GET: Retrieves user details and their many-to-many associated accounts.
  • PUT: Updates user and 1-to-1 address details while maintaining many-to-many associations with accounts.
  • DELETE: Deletes a user and their 1-to-1 address, but keeps the many-to-many relationships with accounts intact.
  • Associated Service Methods: UserService.findById(), UserService.saveUser(), UserService.delete()

GET, PUT /users/{user_id}/accounts/{account_id}

• Account Detail Operations:
  • GET: Enables fetching of specific account details.
  • PUT: Allows for the updating of account details, including name modification.
  • Associated Service Methods: AccountService.getAccount(), AccountService.saveAccount()