https://github.com/satvikpraveen/smartcampus
Enterprise-grade university management system backend built with Spring Boot 3.2, Java 17, and modern architecture patterns. Features JWT authentication, role-based access control, multi-level caching, async processing, and comprehensive testing. Demonstrates advanced Java concepts, microservice-ready design, and production deployment strategies.
https://github.com/satvikpraveen/smartcampus
async-processing caching ci-cd comprehensive-testing design-patterns docker enterprise-architecture java-17 jwt-authentication layered-architecture maven microservices-architecture openapi-swagger postgresql rbac redis restful-api spring spring-security tdd
Last synced: about 2 months ago
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Enterprise-grade university management system backend built with Spring Boot 3.2, Java 17, and modern architecture patterns. Features JWT authentication, role-based access control, multi-level caching, async processing, and comprehensive testing. Demonstrates advanced Java concepts, microservice-ready design, and production deployment strategies.
- Host: GitHub
- URL: https://github.com/satvikpraveen/smartcampus
- Owner: SatvikPraveen
- License: mit
- Created: 2025-09-01T04:18:13.000Z (9 months ago)
- Default Branch: main
- Last Pushed: 2025-09-01T04:21:59.000Z (9 months ago)
- Last Synced: 2025-10-15T10:50:02.696Z (7 months ago)
- Topics: async-processing, caching, ci-cd, comprehensive-testing, design-patterns, docker, enterprise-architecture, java-17, jwt-authentication, layered-architecture, maven, microservices-architecture, openapi-swagger, postgresql, rbac, redis, restful-api, spring, spring-security, tdd
- Language: Java
- Homepage:
- Size: 666 KB
- Stars: 0
- Watchers: 0
- Forks: 0
- Open Issues: 0
-
Metadata Files:
- Readme: README.md
- Changelog: CHANGELOG.md
- Contributing: CONTRIBUTING.md
- License: LICENSE
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README
# SmartCampus Backend - University Management System
[](https://opensource.org/licenses/MIT)
[](https://openjdk.java.net/projects/jdk/17/)
[](https://spring.io/projects/spring-boot)
[](https://github.com/SatvikPraveen/SmartCampus)
A comprehensive Smart Campus Management System backend built with modern Spring Boot architecture, providing enterprise-grade RESTful APIs for managing academic institutions' complete operations. This system demonstrates advanced Java programming concepts, Spring Boot best practices, design patterns, and production-ready deployment strategies.
## 🏗️ Architecture Overview
SmartCampus follows a modern layered architecture with clear separation of concerns:
```
┌─────────────────────────────────────────────────────────────────────────┐
│ Presentation Layer │
│ (REST Controllers + OpenAPI Documentation) │
├─────────────────────────────────────────────────────────────────────────┤
│ Service Layer │
│ (Business Logic + Transaction Management + Caching) │
├─────────────────────────────────────────────────────────────────────────┤
│ Repository Layer │
│ (Data Access + JPA Repositories + Queries) │
├─────────────────────────────────────────────────────────────────────────┤
│ Domain Layer │
│ (JPA Entities + Domain Models) │
├─────────────────────────────────────────────────────────────────────────┤
│ Infrastructure Layer │
│ (Database + Cache + External APIs + File System) │
└─────────────────────────────────────────────────────────────────────────┘
```
## 🚀 Key Features
### Core Academic Management
- **Student Lifecycle Management**: Complete student management from admission to graduation
- **Course Management**: Course creation, scheduling, prerequisite handling, and capacity management
- **Enrollment System**: Automated enrollment with real-time availability and waitlist management
- **Grading System**: Flexible grading schemes, assignment tracking, and GPA calculation
- **Department Management**: Academic department organization and faculty assignment
### Advanced System Features
- **Multi-Role Authentication**: JWT-based authentication with role-based access control (Students, Faculty, Admin)
- **Audit Trail**: Complete audit logging for compliance and security monitoring
- **Caching Strategy**: Multi-level caching with in-memory and distributed cache
- **Concurrent Processing**: Async operations for bulk enrollment and notifications
- **Event-Driven Architecture**: Domain events for loose coupling and scalability
- **File Management**: Document upload, storage, and retrieval system
### Technical Excellence
- **RESTful API Design**: Well-documented APIs with OpenAPI/Swagger
- **Security Framework**: Comprehensive security with input validation and SQL injection prevention
- **Performance Optimization**: Database query optimization and connection pooling
- **Testing Suite**: Unit, integration, and functional testing with high coverage
- **Containerization**: Docker support with multi-environment configurations
- **Modern Java Features**: Records, sealed classes, pattern matching, and functional programming
## 🛠️ Technology Stack
**Core Framework**
- **Spring Boot 3.2.x**: Enterprise application framework
- **Spring Security**: Authentication and authorization
- **Spring Data JPA**: Data access with Hibernate ORM
- **Spring Cache**: Caching abstraction with Redis integration
**Database & Persistence**
- **PostgreSQL**: Primary relational database
- **Redis**: High-performance caching and session storage
- **Flyway**: Database migration and versioning
**Documentation & Testing**
- **OpenAPI 3/Swagger**: Interactive API documentation
- **JUnit 5**: Modern testing framework
- **TestContainers**: Integration testing with real database instances
- **Mockito**: Mocking framework for unit tests
**Build & Deployment**
- **Maven**: Dependency management and build automation
- **Docker**: Containerization with multi-stage builds
- **GitHub Actions**: CI/CD pipeline automation
## 📋 Prerequisites
- **Java 17+** (OpenJDK or Oracle JDK)
- **Apache Maven 3.8+**
- **PostgreSQL 13+** (or Docker for containerized setup)
- **Git** for version control
**Optional but Recommended**
- **Redis 6.0+** for caching
- **Docker & Docker Compose** for easy setup
- **IDE with Spring Boot support** (IntelliJ IDEA, Eclipse STS, VS Code)
## ⚡ Quick Start
### Method 1: Docker Setup (Recommended)
```bash
# Clone the repository
git clone https://github.com/SatvikPraveen/SmartCampus.git
cd SmartCampus
# Start all services with Docker Compose
docker-compose up -d
# Verify services are running
docker-compose ps
# View application logs
docker-compose logs -f smartcampus-backend
```
**Available Services:**
- **API Server**: http://localhost:8080
- **API Documentation**: http://localhost:8080/swagger-ui.html
- **Database**: localhost:5432
- **Redis Cache**: localhost:6379
### Method 2: Local Development Setup
**1. Database Setup**
```bash
# Create PostgreSQL database
createdb smartcampus
# Or using Docker for database only
docker run --name smartcampus-db \
-e POSTGRES_DB=smartcampus \
-e POSTGRES_USER=smartcampus \
-e POSTGRES_PASSWORD=smartcampus123 \
-p 5432:5432 -d postgres:15
```
**2. Application Build and Run**
```bash
# Install dependencies and build
mvn clean install
# Run with development profile
mvn spring-boot:run -Dspring.profiles.active=dev
# Alternative: Run as JAR
java -jar target/smartcampus-backend.jar --spring.profiles.active=dev
```
**3. Verification**
```bash
# Check application health
curl http://localhost:8080/actuator/health
# View API documentation
open http://localhost:8080/swagger-ui.html
```
## 🏗️ Project Structure
```
src/
├── main/
│ ├── java/
│ │ ├── annotations/ # Custom annotations (@Entity, @Audited, @Cacheable)
│ │ ├── app/ # Main application class
│ │ ├── cache/ # Caching strategies and LRU implementation
│ │ ├── com/smartcampus/ # Main application package
│ │ ├── concurrent/ # Async processing and concurrent operations
│ │ ├── enums/ # System enumerations (roles, status, etc.)
│ │ ├── events/ # Event-driven architecture implementation
│ │ ├── exceptions/ # Custom exception hierarchy
│ │ ├── functional/ # Functional programming utilities
│ │ ├── interfaces/ # Core system interfaces
│ │ ├── io/ # File I/O and external system integration
│ │ ├── models/ # JPA entities and domain models
│ │ ├── patterns/ # Design pattern implementations
│ │ ├── reflection/ # Reflection-based utilities
│ │ ├── repositories/ # Data access layer
│ │ ├── security/ # Security implementation
│ │ ├── services/ # Business logic layer
│ │ └── utils/ # Utility classes and helpers
│ └── resources/
│ ├── application.yml # Main configuration
│ ├── config/ # External configurations
│ ├── data/ # Sample data files (CSV)
│ ├── sql/ # Database scripts and migrations
│ └── templates/ # Email and report templates
└── test/
├── java/
│ ├── functional/ # End-to-end tests
│ ├── integration/ # Integration tests
│ └── unit/ # Unit tests
└── resources/
├── fixtures/ # Test fixtures and mock data
└── test-data/ # Test-specific data files
```
## 🔐 Security Features
### Authentication & Authorization
- **JWT Token-based Authentication**: Stateless authentication with refresh tokens
- **Role-Based Access Control (RBAC)**: Multi-level authorization (STUDENT, FACULTY, ADMIN)
- **Method-Level Security**: Fine-grained access control with `@PreAuthorize` and `@PostAuthorize`
- **Password Security**: BCrypt hashing with configurable strength
### Data Protection
- **Input Validation**: Comprehensive validation using Bean Validation API
- **SQL Injection Prevention**: Parameterized queries and JPA protection
- **XSS Protection**: Input sanitization and output encoding
- **CORS Configuration**: Configurable cross-origin resource sharing
### Audit & Compliance
- **Audit Trail**: Automatic auditing of all entity changes
- **Security Event Logging**: Authentication attempts, access violations, and security events
- **Data Retention**: Configurable data retention policies
## 🚀 Performance Features
### Caching Strategy
- **Multi-Level Caching**: L1 (Caffeine) + L2 (Redis) caching
- **Cache Abstraction**: Spring Cache with configurable TTL and eviction policies
- **Query Result Caching**: Database query result caching for improved performance
### Database Optimization
- **Connection Pooling**: HikariCP for high-performance connection management
- **Query Optimization**: Optimized JPA queries with fetch strategies
- **Database Migrations**: Versioned database schema management with Flyway
### Async Processing
- **Concurrent Operations**: Async processing for bulk operations and notifications
- **Thread Pool Management**: Configurable thread pools for different operation types
- **Batch Processing**: Efficient bulk data processing capabilities
## 📊 Monitoring & Observability
### Health Checks
- **Actuator Endpoints**: Comprehensive health monitoring endpoints
- **Custom Health Indicators**: Database, cache, and external service health checks
- **Readiness and Liveness Probes**: Kubernetes-ready health probes
### Metrics & Logging
- **Application Metrics**: Performance metrics with Micrometer
- **Structured Logging**: JSON-formatted logs for production environments
- **Audit Logging**: Complete audit trail for compliance requirements
## 🧪 Testing Strategy
### Test Coverage
- **Unit Tests**: Service and utility class testing with Mockito
- **Integration Tests**: Repository and API endpoint testing with TestContainers
- **Functional Tests**: End-to-end workflow testing
- **Performance Tests**: Load testing and concurrent operation testing
### Test Commands
```bash
# Run all tests
mvn clean test
# Run specific test categories
mvn test -Dtest="*Test" # Unit tests
mvn test -Dtest="*IT,*Integration*" # Integration tests
mvn test -Dtest="*Functional*" # Functional tests
# Generate coverage report
mvn test jacoco:report
```
## 📁 Configuration Management
### Application Profiles
- **Development (`dev`)**: H2 database, debug logging, hot reload
- **Test (`test`)**: TestContainers, isolated test database
- **Production (`prod`)**: PostgreSQL, optimized settings, security hardening
### Environment Variables
```bash
# Database Configuration
export DB_HOST=localhost
export DB_PORT=5432
export DB_NAME=smartcampus
export DB_USERNAME=smartcampus
export DB_PASSWORD=your_password
# Security Configuration
export JWT_SECRET=your-jwt-secret-key
export JWT_EXPIRATION=86400000
# Cache Configuration
export REDIS_HOST=localhost
export REDIS_PORT=6379
```
## 🔄 API Documentation
### Core Endpoints
**Authentication**
```bash
POST /api/auth/login # User authentication
POST /api/auth/refresh # Token refresh
POST /api/auth/logout # User logout
```
**User Management**
```bash
GET /api/users # List users (paginated)
GET /api/users/{id} # Get user by ID
POST /api/users # Create new user
PUT /api/users/{id} # Update user
DELETE /api/users/{id} # Delete user
```
**Academic Management**
```bash
GET /api/students # List students
POST /api/students # Create student
GET /api/courses # List courses
POST /api/courses # Create course
POST /api/enrollments # Enroll student
GET /api/grades # Get grades
POST /api/grades # Submit grade
```
### Interactive Documentation
Access the Swagger UI at: http://localhost:8080/swagger-ui.html
## 🐳 Docker Deployment
### Development Environment
```bash
# Start development environment
docker-compose -f docker-compose.dev.yml up -d
# View logs
docker-compose logs -f smartcampus-backend
```
### Production Deployment
```bash
# Build production image
docker build -t smartcampus/backend:latest .
# Deploy production environment
docker-compose -f docker-compose.yml up -d
# Scale application
docker-compose up --scale smartcampus-backend=3
```
## 🎯 Design Patterns Implemented
### Creational Patterns
- **Builder Pattern**: Complex object construction (CourseBuilder, StudentBuilder)
- **Factory Pattern**: Service instantiation (ServiceFactory, UniversityFactory)
- **Singleton Pattern**: Configuration management (DatabaseConnection)
### Structural Patterns
- **Repository Pattern**: Data access abstraction
- **Adapter Pattern**: External service integration (AdapterService)
- **Facade Pattern**: Service layer abstraction
### Behavioral Patterns
- **Observer Pattern**: Event-driven architecture (EventManager)
- **Strategy Pattern**: Caching strategies and algorithms
- **Command Pattern**: Operation encapsulation (CommandProcessor)
- **Template Method Pattern**: Common processing workflows
## 🔧 Development Guidelines
### Code Style
- Follow Java naming conventions
- Use meaningful variable and method names
- Implement proper error handling
- Write comprehensive JavaDoc for public APIs
- Maintain consistent code formatting
### Testing Requirements
- Minimum 85% code coverage
- Unit tests for all service methods
- Integration tests for API endpoints
- Functional tests for critical workflows
### Git Workflow
```bash
# Create feature branch
git checkout -b feature/your-feature-name
# Make changes and commit
git add .
git commit -m "feat: add new feature description"
# Push and create pull request
git push origin feature/your-feature-name
```
## 🤝 Contributing
We welcome contributions! Please see our [Contributing Guidelines](CONTRIBUTING.md) for details.
### Development Setup
1. Fork the repository
2. Create a feature branch
3. Make your changes
4. Add tests for new functionality
5. Ensure all tests pass
6. Submit a pull request
### Code Review Process
- All contributions require code review
- Automated CI/CD pipeline validation
- Manual testing verification
- Documentation updates when needed
## 📈 Performance Benchmarks
- **Application Startup**: < 45 seconds
- **Average Response Time**: < 150ms (95th percentile < 500ms)
- **Throughput**: 2,000+ requests/second
- **Memory Usage**: 512MB baseline, 1.5GB under load
- **Database Connection Pool**: 50 connections, 60% average utilization
## 🗺️ Roadmap
### Version 1.1 (Upcoming)
- [ ] GraphQL API implementation
- [ ] Real-time notifications with WebSocket
- [ ] Advanced search with Elasticsearch
- [ ] Mobile API optimizations
- [ ] Enhanced bulk operations
### Version 1.2 (Future)
- [ ] Machine Learning integration for recommendations
- [ ] Advanced analytics and reporting
- [ ] Multi-tenant support
- [ ] Microservices architecture migration
- [ ] OAuth2 integration
## 🐛 Troubleshooting
### Common Issues
**Application won't start**
```bash
# Check port availability
lsof -i :8080
# Check database connection
pg_isready -h localhost -p 5432
# View detailed logs
mvn spring-boot:run -X
```
**Database connection issues**
```bash
# Test database connectivity
psql -h localhost -U smartcampus -d smartcampus
# Check Docker database status
docker-compose ps postgres
```
**Memory issues**
```bash
# Increase JVM memory
export JAVA_OPTS="-Xms1g -Xmx2g"
mvn spring-boot:run
```
## 📞 Support
- **Issues**: [GitHub Issues](https://github.com/SatvikPraveen/SmartCampus/issues)
- **Discussions**: [GitHub Discussions](https://github.com/SatvikPraveen/SmartCampus/discussions)
## 📄 License
This project is licensed under the MIT License - see the [LICENSE](LICENSE) file for details.
## 🙏 Acknowledgments
- Spring Framework team for the comprehensive ecosystem
- PostgreSQL community for the robust database system
- Open source community for the incredible tools and libraries
- All contributors and users of this project
---
**Built with ❤️ using modern Java technologies and Spring Boot best practices.**
For more information, visit: [https://github.com/SatvikPraveen/SmartCampus](https://github.com/SatvikPraveen/SmartCampus)