🏦 Banking App (Spring Boot) REST API

This is a banking application built using Spring Boot and MySQL that provides functionalities for user and account management, transactions, and admin role-based access control.

🚀 Features

🔹 User Management

• ✅ Create new user (JWT Authentication)
• ✅ View User Details (Balance, Account Number, Type)
• ✅ Delete Users
• ✅ Get all accounts of users

🔹 Account Management

• ✅ Creats Accounts
• ✅ Retrieve account details
• ✅ Delete Accounts

🔹 Transaction Management

• ✅ Deposit & Withdraw Money
• ✅ Transfer Funds between accounts
• ✅ View Transaction History

🔹 Admin Features

• ✅ Manage all Users & Accounts
• ✅ Approve or Monitor Transactions
• ✅ View All Users & Their Balances

🔹 Security & Tech Stack

• ✅ Dto's and Mappers to secure schema
• ✅ Spring Boot with MySQL for Backend
• ✅ Spring Security & JWT for Authentication
• ✅ Lombok & JPA (Hibernate) for Database Management
• ✅ Role-Based Access Control (ADMIN, MANAGER, SUPER_ADMIN)

🛠️ Tech Stack

• Backend: Java, Spring Boot, Spring Security, JWT
• Database: MySQL, Hibernate (JPA)
• Security: JWT Authentication, Password Encryption (BCrypt)
• API Documentation: Swagger
• Build Tool: Maven

📌 Installation & Setup

1️⃣ Clone the Repository

git clone https://github.com/gyarsilalsolanki011/banking-app.git
cd banking-app

2️⃣ Configure Database (MySQL)

• Create a database in MySQL:

CREATE DATABASE banking_db;

• Update application.properties:

spring.datasource.url=jdbc:mysql://localhost:3306/banking_db
spring.datasource.username=root
spring.datasource.password=yourpassword
spring.jpa.hibernate.ddl-auto=update

3️⃣ Build & Run the Application

mvn clean install
mvn spring-boot:run

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🔗 API Endpoints

Public APIs

Endpoint	Method	Description
/api/auth/register	POST	Register a new admin
/api/auth/login	POST	Admin login & get JWT token

User APIs

Endpoint	Method	Description
/api/users/create	POST	create a new user
/api/users/all-accounts/{id}	GET	Get all accounts by userId
/api/users/{id}	GET	Get user details by userId
/api/users/{id}	DELETE	Delete a user

Account APIs

Endpoint	Method	Description
/api/accounts/create	POST	Create a new account
/api/accounts/{id}	GET	Get account details by ID
/api/accounts/{id}	DELETE	Delete an account

Transaction APIs

Endpoint	Method	Description
/api/transactions/deposit/{id}	POST	Deposit money by accountId
/api/transactions/withdraw/{id}	POST	Withdraw money by accountId
/api/transactions/{id}/transfer/{id}	POST	Transfer funds accountId
/api/transactions/account/{id}	GET	Get all transactions by accountId

Admin APIs

Endpoint	Method	Description
/api/admins/all-users	GET	Get all users
/api/admins/all-accounts	GET	Get all accounts
/api/admins/all-transactions	GET	Get all transactions
/api/admins/{id}	GET	Get an admin by id
/api/admins/delete/{id}	GET	delete admin by Id
/api/admins/approve/{id}	GET	approve big withdrawals

check out postman endpoints: Postman Collection

• This collection includes all the endpoints which are there in the banking app.
• Two endpoints are public and all the others are authenticated

Role-Based Access Control

• ADMIN: Full access to all functionalities.
• MANAGER: Can view and manage users and transactions.
• SUPER_ADMIN: Highest privileges with full control over the system.

🤝 Contributing

Contributions are welcome! Follow these steps:

1. Fork the repository
2. Create a new branch (feature-xyz)
3. Commit your changes
4. Push to the branch and open a Pull Request

📜 License

This project is open-source under the MIT License.

📞 Contact

For any queries, feel free to reach out:

• 📧 Email: gyarsilalsolanki011@gmail.com
• 🔗 LinkedIn: Your Profile

🚀 Happy Coding!