Gym Manager is a comprehensive gym management system with Angular frontend and Spring Boot backend. The system allows tracking member activities, managing personal information, creating workout plans, and analyzing progress.

• Framework: Spring Boot 3.5.4
• Language: Java 24
• Database: MySQL with JPA/Hibernate
• Architecture: RESTful API with layered architecture
  • Controller → Service → Repository → Entity
• Dependencies: Spring Web, Spring Data JPA, MySQL Connector, Lombok

• Framework: Angular 20.0.5
• Language: TypeScript
• Architecture: Component-based with services

• Register and manage member information
• Track membership types and expiration dates
• Manage detailed personal information

• Record workout activities
• Classify workout types (Cardio, Strength Training, etc.)
• Track start/end times
• Automatic calorie calculation

• Create workout plans for members
• Track equipment usage
• Notes and intensity assessment

• Activity statistics over time
• Workout trend analysis
• Progress reports for each member

• JWT login support (in development)
• Role & access control middleware
• Sensitive data encryption (planned)

POST   /manager/activity                    # Create new activity
GET    /manager/activity/{id}              # Get activity by ID
GET    /manager/activities/user/{userId}   # Get user activities
GET    /manager/activities                 # Get all activities
PUT    /manager/activity/{id}              # Update activity
DELETE /manager/activity/{id}              # Delete activity

{
  "userId": 1,
  "startTime": "2024-01-15T10:00:00",
  "endTime": "2024-01-15T11:00:00",
  "activityType": "CARDIO",
  "activityName": "Running",
  "equipment": "Treadmill",
  "intensityLevel": "HIGH",
  "notes": "Great workout session"
}

{
  "id": 1,
  "userId": 1,
  "startTime": "2024-01-15T10:00:00",
  "endTime": "2024-01-15T11:00:00",
  "activityType": "CARDIO",
  "activityName": "Running",
  "duration": 60,
  "caloriesBurned": 450,
  "equipment": "Treadmill",
  "intensityLevel": "HIGH",
  "notes": "Great workout session"
}

Create .env file or use environment variables:

# Database
DB_URL=jdbc:mysql://localhost:3306/gym_manager
DB_USERNAME=your_db_username
DB_PASSWORD=your_db_password

# JWT Secret
JWT_SECRET=your_jwt_secret_key

# Server Configuration
SERVER_PORT=8080

• Java 24
• Node.js 18+
• MySQL 8.0+
• Maven 3.6+
• Angular CLI 20.0.5+

git clone https://github.com/Lakeserl/gym-manager.git
cd gym-manager

cd server

# Install dependencies
mvn clean install

# Configure database
# Edit application.properties with your MySQL information
# Example: spring.datasource.url=jdbc:mysql://localhost:3306/gym_manager

# Run database migration
mysql -u [your_username] -p [your_database] < database_migration.sql

# Run application
mvn spring-boot:run

Backend will run at: http://localhost:8080

cd client

# Install dependencies
npm install

# Run application
ng serve

Frontend will run at: http://localhost:4200

• Spring Boot 3.5.4: Main framework
• Spring Data JPA: ORM and database access
• MySQL: Database
• Lombok: Reduce boilerplate code
• Maven: Build tool and dependency management

• Angular 20.0.5: Main framework
• TypeScript: Programming language
• Angular CLI: Development tools
• CSS3: Styling

• Automatic Calorie Calculation: Calculate calories based on activity type and intensity
• Duration Calculation: Automatically calculate time from start/end time
• Validation: Input data validation
• Error Handling: Comprehensive error handling

• User-Activity Relationship: Link activities to specific members
• Activity Classification: Clear classification of workout types
• Equipment Tracking: Track equipment usage
• Progress Tracking: Notes and progress assessment

cd server
mvn spring-boot:run

cd client
ng serve

mysql -u [your_username] -p [your_database] < server/database_migration.sql

cd server
mvn test

cd client
ng test

• Configure production database
• Change JWT secret keys
• Configure CORS for production domain
• Use HTTPS
• Configure logging and monitoring
• Database backup strategy
• Load balancing (if needed)

# Backend Dockerfile
FROM openjdk:24-jdk-slim
COPY target/server-0.0.1-SNAPSHOT.jar app.jar
EXPOSE 8080
ENTRYPOINT ["java","-jar","/app.jar"]

This project is licensed under the MIT License - see the LICENSE file for details.