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E-Commerce Secured Web Service

Description

This project is a fully functional e-commerce secured web service built using Spring Boot. It provides a robust backend RESTful API for managing core e-commerce functionalities such as products, orders, and cart management. The application implements secure user authentication using JWT (JSON Web Tokens) and method-based authorization with roles and authorities.

Features

Core Functionalities

  1. Products:

    • Add, update, delete, and fetch products.
    • Each product supports a feature to associate and retrieve an image.

  2. Cart Management:

    • Add and remove items from the cart.
    • View cart details and checkout functionality.

  3. Order Management:

    • Place orders for items in the cart.
    • View past orders and order statuses.

Authentication and Authorization

  1. User Authentication:

    • Implemented using JWT for secure and stateless authentication.
    • Secure login and registration endpoints.

  2. Roles and Authorities:

    • Method-based authorization using roles like ADMIN, USER, etc.
    • Fine-grained access control using Spring Security.

Additional Features

  1. Image Management:

    • Product images are saved as files within the project structure.
    • Image retrieval via RESTful endpoints.

  2. Auditing and Base Entity:

    • Track createdBy, createdDate, modifiedBy, and modifiedDate for all entities.
    • Common attributes like id defined in a shared BaseEntity.

  3. Functional Programming:

    • Java Streams are utilized for clean and efficient data processing.

  4. DTOs (Data Transfer Objects):

    • DTOs ensure clear separation between the data layer and API responses.

Technology Stack

Technology Purpose
Java (v17 or above) Backend programming language.
Spring Boot Framework for building the application.
Spring Security Authentication and authorization.
Spring Data JPA ORM for database interactions.
Lombok Simplifies boilerplate code like getters, setters, etc.
JWT Stateless user authentication.
H2/SQL Database Database for persistent data storage.
Functional Programming Java Streams for efficient data processing.
Maven Dependency management.