Spring Project - Supplier Management System

This is a Spring Boot application that demonstrates a supplier management system with four main entities: Customer, Orders, Products, and Supplier.
The project follows a layered architecture (Controller → Service → DAO → Repository → Entity) and uses Spring Boot, Spring Data JPA, and Hibernate for database interaction.

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🚀 Features

• Customer Management

  • Add, update, delete, and fetch customer details.

• Supplier Management

  • Manage supplier information and associations.

• Product Management

  • CRUD operations on products.

• Order Management

  • Place orders linked with customers and products.
  • Order status management (PENDING, PROCESSING, SHIPPED, DELIVERED, CANCELLED, RETURNED).

• Global Exception Handling

  • Handles cases like IdNotFoundException, NotRecordFoundException.

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📂 Project Structure

com.supplier

│── controller # REST Controllers (Customer, Supplier, Orders, Products)

│── service # Business logic layer

│── dao # DAO layer for intermediate logic

│── repository # JPA repositories for DB interaction

│── entity # Entity classes (Customer, Supplier, Orders, Products)

│── dto # DTOs like OrderStatus (enum), ResponseStructure

│── exception # Custom exceptions & global exception handler

│── Application.java # Main Spring Boot Application

⚙️ Technologies Used

• Java 17 (or your configured version)
• Spring Boot
• Spring Data JPA
• Hibernate
• Maven
• PostgreSQL (or any configured database)
• RESTful APIs

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🛠️ Setup & Run

1. Clone the repository

   git clone https://github.com/SVChougule/Spring-project.git
   cd Spring-project