🤝 CollabHub

Enterprise-grade collaborative task management platform with real-time synchronization and team coordination

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📋 Table of Contents

• 📖 Overview
• 🎯 Learning Objectives
• 🛠️ Tech Stack
• 📁 Project Structure
• 🚀 Getting Started
• 💡 Usage
• 🏆 Key Features
• 🔧 Architecture
• 🧪 Testing
• 📚 Resources
• 👥 Contributors

📖 Overview

CollabHub is a sophisticated, full-stack collaborative task management platform designed to streamline team productivity and project coordination. Built with modern web technologies, it provides real-time task synchronization, advanced user authentication, and comprehensive project management capabilities.

The platform demonstrates enterprise-level software architecture with a robust RESTful API backend powered by Flask and SQLAlchemy, coupled with a dynamic, responsive frontend built using Angular 17. CollabHub implements advanced features including JWT-based authentication, real-time notifications, file attachment management, Google reCAPTCHA integration, and comprehensive task lifecycle management.

This project showcases full-stack development expertise, modern DevOps practices, and production-ready software engineering principles, making it an ideal demonstration of contemporary web application development and team collaboration software design.

🎯 Learning Objectives

Through this comprehensive full-stack project, you will master:

• Advanced Full-Stack Development: Complete understanding of modern web application architecture
• RESTful API Design: Professional API development with Flask and comprehensive endpoint management
• Frontend Frameworks: Advanced Angular development with TypeScript and reactive programming
• Database Design: Sophisticated relational database modeling with SQLAlchemy ORM
• Authentication Systems: JWT-based security implementation with role-based access control
• Real-Time Communication: WebSocket integration for live collaboration features
• DevOps Integration: Containerization, deployment automation, and production configuration
• Software Engineering: Professional code organization, testing strategies, and documentation practices

🛠️ Tech Stack

Backend Technologies:

• Flask 3.0.2: Modern Python web framework with comprehensive ecosystem
• SQLAlchemy: Advanced ORM for database operations and relationship management
• Flask-Migrate: Database schema version control and migration management
• Flask-Mail: Email service integration for notifications and communication
• PyJWT: JSON Web Token implementation for secure authentication
• MySQL: Robust relational database for production data management

Frontend Technologies:

• Angular 17.3.0: Latest Angular framework with enhanced performance and features
• TypeScript 5.4.0: Type-safe JavaScript with advanced language features
• RxJS: Reactive programming for asynchronous data handling and state management
• Angular Calendar: Advanced calendar components for task scheduling and visualization
• SweetAlert2: Professional notification and modal dialog system
• Tailwind CSS: Utility-first CSS framework for responsive design

Development Tools:

• Angular CLI: Comprehensive development toolkit for Angular applications
• Flask-CORS: Cross-Origin Resource Sharing configuration for API access
• Google reCAPTCHA: Advanced bot protection and security validation
• Nginx: High-performance web server for production deployment
• Factory Boy: Sophisticated test data generation and database seeding

📁 Project Structure

collabHub/
├── backend/                          # Flask API Backend
│   ├── api/                          # RESTful API endpoints
│   │   ├── auth/                     # Authentication services
│   │   ├── v1/                       # API version 1 endpoints
│   │   │   ├── task_views.py         # Task management endpoints
│   │   │   ├── user_views.py         # User management endpoints
│   │   │   └── recaptcha_views.py    # Security validation endpoints
│   │   └── response_utils.py         # API response utilities
│   ├── config/                       # Application configuration
│   │   ├── database.py               # Database connection setup
│   │   ├── config.py                 # Environment configuration
│   │   ├── mail_service.py           # Email service configuration
│   │   └── error_handlers.py         # Global error handling
│   ├── models/                       # Database models
│   │   ├── users.py                  # User data model
│   │   ├── tasks.py                  # Task data model
│   │   ├── attachments.py            # File attachment model
│   │   ├── blacklist.py              # JWT blacklist model
│   │   └── base_model.py             # Base model with common fields
│   ├── factories/                    # Test data generators
│   │   ├── users.py                  # User factory for testing
│   │   └── tasks.py                  # Task factory for testing
│   ├── migrations/                   # Database migration files
│   ├── app.py                        # Main Flask application
│   ├── requirements.txt              # Python dependencies
│   └── nginx.conf                    # Production web server config
├── frontend/                         # Angular Frontend Application
│   ├── src/
│   │   ├── app/                      # Angular application modules
│   │   │   ├── components/           # Reusable UI components
│   │   │   ├── services/             # Business logic services
│   │   │   ├── guards/               # Route protection guards
│   │   │   ├── models/               # TypeScript interfaces
│   │   │   └── interceptors/         # HTTP request interceptors
│   │   ├── assets/                   # Static assets and images
│   │   ├── environments/             # Environment configurations
│   │   └── styles/                   # Global styling files
│   ├── package.json                  # Node.js dependencies
│   ├── angular.json                  # Angular CLI configuration
│   ├── tailwind.config.js            # Tailwind CSS configuration
│   └── tsconfig.json                 # TypeScript configuration
├── README.md                         # Project documentation
├── LICENSE.txt                       # GNU General Public License
└── .gitignore                        # Git ignore patterns

🚀 Getting Started

Prerequisites

System Requirements:

• Node.js 18+: JavaScript runtime for Angular development
• Python 3.8+: Backend runtime environment
• MySQL 8.0+: Database server for data persistence
• Git: Version control system

Development Tools:

• Angular CLI: npm install -g @angular/cli
• Flask CLI: Included with Flask installation
• MySQL Client: For database administration

Backend Setup (Flask API)

1. Clone the Repository

   git clone https://github.com/yourusername/collabhub.git
   cd collabhub/backend

2. Create Virtual Environment

   python3 -m venv venv
   source venv/bin/activate  # On Windows: venv\Scripts\activate

3. Install Dependencies

   pip install -r requirements.txt

4. Environment Configuration

   # Create environment file
   cp .env.example .env
   
   # Configure database and secrets
   echo "DB_USERNAME=your_db_username" >> .env
   echo "DB_PASSWORD=your_db_password" >> .env
   echo "DB_HOST=localhost" >> .env
   echo "DB_NAME=collabhub_db" >> .env
   echo "SECRET_KEY=$(python -c 'import secrets; print(secrets.token_hex(32))')" >> .env
   echo "MAIL_SERVER=smtp.gmail.com" >> .env
   echo "MAIL_USERNAME=your_email@gmail.com" >> .env
   echo "MAIL_PASSWORD=your_app_password" >> .env

5. Database Initialization

   # Initialize migration repository
   flask db init
   
   # Create initial migration
   flask db migrate -m "Initial migration"
   
   # Apply migrations to database
   flask db upgrade
   
   # Optional: Seed with test data
   python -c "from factories.users import generateusers; generateusers(10)"
   python -c "from factories.tasks import generatetasks; generatetasks(20)"

6. Start Development Server

   flask run --debug
   # API will be available at http://localhost:5000

Frontend Setup (Angular Application)

1. Navigate to Frontend Directory

   cd ../frontend

2. Install Dependencies

   npm install

3. Environment Configuration

   # Update src/environments/environment.ts
   export const environment = {
     production: false,
     apiUrl: 'http://localhost:5000/api/v1',
     recaptchaSiteKey: 'your_recaptcha_site_key'
   };

4. Start Development Server

   ng serve
   # Application will be available at http://localhost:4200

Production Deployment

1. Build Frontend for Production

   cd frontend
   ng build --configuration production

2. Configure Production Environment

   # Set production environment variables
   export FLASK_ENV=production
   export DATABASE_URL=mysql://user:password@host:port/database

3. Deploy with Nginx

   # Copy nginx configuration
   sudo cp backend/nginx.conf /etc/nginx/sites-available/collabhub
   sudo ln -s /etc/nginx/sites-available/collabhub /etc/nginx/sites-enabled/
   sudo nginx -t && sudo systemctl reload nginx

💡 Usage

User Registration and Authentication

1. Account Creation

   • Navigate to the registration page
   • Complete the secure registration form with email verification
   • Verify your account through the email confirmation link

2. Secure Login

   • Use your registered credentials to access the platform
   • The system implements JWT-based authentication for secure sessions
   • Optional two-factor authentication for enhanced security

Task Management Workflow

1. Create Tasks

   • Access the task creation interface from the main dashboard
   • Define task details including title, description, priority, and deadlines
   • Assign multiple collaborators using user search functionality
   • Attach relevant files and documents to tasks

2. Collaboration Features

   • View real-time updates from team members
   • Comment and communicate within task threads
   • Track task progress and completion status
   • Receive notifications for task assignments and updates

3. Project Organization

   • Organize tasks using project categories and labels
   • Filter and search tasks using advanced criteria
   • Generate progress reports and analytics
   • Export task data for external reporting

🏆 Key Features

🔐 Advanced Authentication System

• JWT-Based Security: Stateless authentication with refresh token rotation
• Email Verification: Secure account activation with email confirmation
• Password Security: BCrypt hashing with configurable complexity
• Session Management: Automatic token refresh and secure logout

📋 Comprehensive Task Management

• Task Lifecycle: Complete CRUD operations with status tracking
• Multi-User Assignment: Flexible collaborator assignment and role management
• Priority System: Configurable priority levels with visual indicators
• Deadline Management: Due date tracking with automated reminders
• File Attachments: Secure file upload and management system

🎨 Modern User Interface

• Responsive Design: Mobile-first design with Tailwind CSS
• Real-Time Updates: Live synchronization using WebSocket connections
• Calendar Integration: Advanced calendar views for task scheduling
• Notification System: In-app and email notifications for important events
• Dark/Light Themes: User-customizable interface themes

🔒 Enterprise Security

• Google reCAPTCHA: Advanced bot protection and spam prevention
• Input Validation: Comprehensive server-side and client-side validation
• CORS Configuration: Secure cross-origin resource sharing
• Error Handling: Graceful error management with user-friendly messages
• Audit Logging: Comprehensive activity tracking and security monitoring

📊 Analytics and Reporting

• Task Analytics: Progress tracking and completion statistics
• Team Performance: Collaboration metrics and productivity insights
• Export Capabilities: Data export in multiple formats (JSON, CSV, PDF)
• Custom Reports: Configurable reporting with date range filtering

🔧 Architecture

System Architecture Overview

graph TB
    subgraph "Frontend Layer"
        A[Angular 17 SPA]
        B[TypeScript Services]
        C[RxJS State Management]
        D[Angular Router]
    end
    
    subgraph "API Gateway"
        E[Flask Application]
        F[CORS Middleware]
        G[JWT Authentication]
        H[Request Validation]
    end
    
    subgraph "Business Logic"
        I[Task Management API]
        J[User Management API]
        K[Authentication API]
        L[File Upload API]
    end
    
    subgraph "Data Layer"
        M[SQLAlchemy ORM]
        N[MySQL Database]
        O[File Storage System]
        P[Email Service]
    end
    
    subgraph "Security Layer"
        Q[JWT Token Management]
        R[Google reCAPTCHA]
        S[Input Validation]
        T[HTTPS Encryption]
    end
    
    A --> E
    B --> F
    C --> G
    D --> H
    
    E --> I
    F --> J
    G --> K
    H --> L
    
    I --> M
    J --> N
    K --> O
    L --> P
    
    Q --> G
    R --> H
    S --> I
    T --> E

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🧪 Testing

Backend Testing

# Run unit tests
python -m pytest tests/ -v

# Run with coverage
python -m pytest tests/ --cov=app --cov-report=html

# Generate test data
python -c "from factories.users import generateusers; generateusers(50)"
python -c "from factories.tasks import generatetasks; generatetasks(100)"

Frontend Testing

# Run unit tests
ng test

# Run end-to-end tests
ng e2e

# Run tests with coverage
ng test --code-coverage

📚 Resources

Documentation

• Flask Documentation - Backend framework documentation
• Angular Documentation - Frontend framework guide
• SQLAlchemy Documentation - Database ORM reference
• TypeScript Handbook - TypeScript language guide

Related Projects

• Task Manager Pro - Advanced task management system
• Team Collaboration Hub - Enterprise collaboration platform
• Project Management Suite - Comprehensive project management

Learning Resources

• Full-Stack Development Course - Complete web development curriculum
• Angular Advanced Patterns - Advanced Angular development
• Flask RESTful API Guide - Professional API development

👥 Contributors

Role	Contributor	Contact
Lead Developer	Chigbu Joshua	GitHub Profile
Full-Stack Engineer	Chigbu Joshua	LinkedIn
Project Architect	Chigbu Joshua	Email

Contributing

We welcome contributions from the community! Here's how you can contribute:

1. Fork the Repository

   git fork https://github.com/yourusername/collabhub.git

2. Create Feature Branch

   git checkout -b feature/amazing-feature

3. Commit Your Changes

   git commit -m 'Add some amazing feature'

4. Push to Branch

   git push origin feature/amazing-feature

5. Open Pull Request

   • Describe your changes in detail
   • Include screenshots if applicable
   • Reference any related issues

Code of Conduct

• Write clean, maintainable code
• Follow existing code style and conventions
• Include tests for new features
• Update documentation as needed
• Be respectful in all interactions

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🚀 Ready to collaborate?

CollabHub - Where teams unite and productivity soars

📖 Architecture Guide • 📋 Skills Index • 👥 Authors