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Task Manager - Implementation Status

Overview

This document tracks the implementation of the enhanced Task Manager application with backend integration, real-time features, and new functionality.

✅ Phase 1: Backend Setup (COMPLETED)

What's Been Implemented:

  1. Project Structure

    • Created /backend directory with organized folder structure
    • Configured TypeScript with proper tsconfig.json
    • Set up environment variables (.env, .env.example)
    • Added proper .gitignore

  2. Dependencies Installed

    • express - Web framework
    • mongoose - MongoDB ODM
    • socket.io - Real-time communication
    • jsonwebtoken - JWT authentication
    • bcryptjs - Password hashing
    • multer - File upload handling
    • cors - Cross-origin resource sharing
    • dotenv - Environment variable management
    • uuid - Unique ID generation

  3. Database Models (MongoDB/Mongoose)

    • ✅ User model with password hashing
    • ✅ Task model with subtasks, tags, attachments, recurrence
    • ✅ Category model
    • ✅ Priority model
    • ✅ Tag model (NEW)
    • ✅ Notification model

  4. Middleware

    • ✅ JWT authentication middleware
    • ✅ File upload middleware (multer)

  5. Utility Functions

    • ✅ JWT token generation
    • ✅ Recurrence calculation logic
    • ✅ Next occurrence date calculation

  6. Controllers (Business Logic)

    • ✅ authController - Register, Login, Get Profile, Update Profile
    • ✅ taskController - CRUD + Subtask management
    • ✅ categoryController - Full CRUD operations
    • ✅ priorityController - Full CRUD operations
    • ✅ tagController - Full CRUD operations (NEW)
    • ✅ notificationController - Get, Mark Read, Delete
    • ✅ uploadController - File upload handling

  7. Routes (API Endpoints)

    • ✅ /api/auth/* - Authentication routes
    • ✅ /api/tasks/* - Task CRUD + Subtasks
    • ✅ /api/categories/* - Category CRUD
    • ✅ /api/priorities/* - Priority CRUD
    • ✅ /api/tags/* - Tag CRUD (NEW)
    • ✅ /api/notifications/* - Notification management
    • ✅ /api/upload - File upload endpoint

  8. WebSocket Server

    • ✅ Socket.io integration
    • ✅ User-specific rooms for real-time updates
    • ✅ Event handlers for task:created, task:updated, task:deleted

  9. Main Server

    • ✅ Express app with all middleware configured
    • ✅ CORS setup for frontend communication
    • ✅ Static file serving for uploads
    • ✅ Error handling middleware
    • ✅ Server running on port 5000

✅ Phase 2: Frontend Types & API Setup (COMPLETED)

What's Been Implemented:

  1. Updated TypeScript Types

    • ✅ Added Subtask interface
    • ✅ Added Attachment interface
    • ✅ Added RecurrencePattern interface
    • ✅ Added RecurrenceFrequency type
    • ✅ Added Tag interface (NEW)
    • ✅ Updated Task interface with new fields
    • ✅ Updated TaskFilters with tags filter
    • ✅ Updated TaskFormData with tags and recurrence
    • ✅ Added TagFormData
    • ✅ Updated TaskContextType with async methods and new operations

  2. API Service Layer (/src/services/api.ts)

    • ✅ Axios instance with base configuration
    • ✅ Request interceptor for JWT token
    • ✅ Response interceptor for 401 error handling
    • ✅ authApi - All auth endpoints
    • ✅ taskApi - All task endpoints + subtasks
    • ✅ categoryApi - Full CRUD
    • ✅ priorityApi - Full CRUD
    • ✅ tagApi - Full CRUD (NEW)
    • ✅ notificationApi - All notification endpoints
    • ✅ uploadApi - File upload with FormData

  3. WebSocket Service (/src/services/socket.ts)

    • ✅ Socket.io client wrapper
    • ✅ Connect/Disconnect methods
    • ✅ Event listeners (onTaskCreated, onTaskUpdated, onTaskDeleted)
    • ✅ Event emitters (emitTaskUpdate)
    • ✅ Connection status checking

  4. Frontend Dependencies Installed

    • ✅ axios - HTTP client
    • ✅ socket.io-client - Real-time communication
    • ✅ react-hot-toast - Toast notifications

  5. Environment Configuration

    • ✅ .env and .env.example files
    • ✅ VITE_API_URL configured
    • ✅ VITE_SOCKET_URL configured

✅ Phase 3: Context Integration (COMPLETED)

What's Been Implemented:

  1. Updated AuthContext (/src/contexts/AuthContext.tsx) ✅

    • ✅ Replaced mock authentication with authApi calls
    • ✅ Store JWT token in localStorage
    • ✅ Real login/register with backend
    • ✅ Token validation on app load
    • ✅ Automatic redirect on 401 errors
    • ✅ Loading state during auth check
    • ✅ Toast notifications for success/error

  2. Updated TaskContext (/src/contexts/TaskContext.tsx) ✅

    • ✅ Replaced all localStorage with API calls
    • ✅ All CRUD methods now async with proper error handling
    • ✅ Loading state management
    • ✅ Toast notifications throughout
    • ✅ Tag operations (add, update, delete)
    • ✅ Subtask operations (add, update, delete)
    • ✅ Notification operations integrated
    • ✅ Auto-load data on authentication
    • ✅ Clear data on logout
    • ✅ Enhanced filtering with tags support

  3. Added Toast Notifications ✅

    • ✅ react-hot-toast integrated in App.tsx
    • ✅ Custom coral theme for success messages
    • ✅ Error notifications styled
    • ✅ Used throughout all operations

  4. API Response Transformation ✅

    • ✅ MongoDB _id → id transformation
    • ✅ Nested object flattening (categoryId, priorityId)
    • ✅ Tag array transformation
    • ✅ Automatic for all API responses

Notes:

  • Frontend now fully connected to backend API
  • No more localStorage for tasks/categories/priorities
  • Only localStorage used: token and user for auth
  • All operations go through REST API
  • Real-time WebSocket integration is next phase

🚧 Phase 4: UI Features (PENDING)

New Features to Build:

  1. Subtasks Component

    • Subtask list with checkboxes
    • Add/Edit/Delete subtasks
    • Drag-and-drop reordering
    • Progress indicator

  2. Tags Management

    • Tags page for CRUD operations
    • Multi-select tag picker component
    • Tag pills display on task cards
    • Tag-based filtering

  3. Recurring Tasks

    • Recurrence pattern modal/form
    • Frequency selector UI
    • Weekly day picker
    • Monthly date picker
    • Visual indicator on task cards

  4. File Attachments

    • Drag-and-drop file upload
    • File preview component
    • Attachment list with download/delete
    • File type validation UI
    • Upload progress indicator

  5. Enhanced Filtering

    • Multi-select dropdowns for tags
    • Filter preset system
    • Advanced filter modal
    • Clear filters button

  6. UI/UX Improvements

    • Toast notifications integration
    • Skeleton loaders
    • Empty states
    • Loading states
    • Confirmation modals
    • Better error messages

📊 Backend API Endpoints Reference

Authentication

  • POST /api/auth/register - Create new user
  • POST /api/auth/login - Login user
  • GET /api/auth/me - Get current user (Protected)
  • PUT /api/auth/profile - Update profile (Protected)

Tasks

  • GET /api/tasks - Get all user tasks (Protected)
  • POST /api/tasks - Create task (Protected)
  • GET /api/tasks/:id - Get single task (Protected)
  • PUT /api/tasks/:id - Update task (Protected)
  • DELETE /api/tasks/:id - Delete task (Protected)

Subtasks

  • POST /api/tasks/:id/subtasks - Add subtask (Protected)
  • PUT /api/tasks/:id/subtasks/:subtaskId - Update subtask (Protected)
  • DELETE /api/tasks/:id/subtasks/:subtaskId - Delete subtask (Protected)

Categories

  • GET /api/categories - Get all categories (Protected)
  • POST /api/categories - Create category (Protected)
  • PUT /api/categories/:id - Update category (Protected)
  • DELETE /api/categories/:id - Delete category (Protected)

Priorities

  • GET /api/priorities - Get all priorities (Protected)
  • POST /api/priorities - Create priority (Protected)
  • PUT /api/priorities/:id - Update priority (Protected)
  • DELETE /api/priorities/:id - Delete priority (Protected)

Tags (NEW)

  • GET /api/tags - Get all tags (Protected)
  • POST /api/tags - Create tag (Protected)
  • PUT /api/tags/:id - Update tag (Protected)
  • DELETE /api/tags/:id - Delete tag (Protected)

Notifications

  • GET /api/notifications - Get all notifications (Protected)
  • PUT /api/notifications/:id/read - Mark as read (Protected)
  • DELETE /api/notifications/:id - Delete notification (Protected)
  • DELETE /api/notifications - Clear all (Protected)

Upload

  • POST /api/upload - Upload file (Protected, multipart/form-data)

🚀 How to Run (Current State)

Backend:

cd backend
npm install
npm run dev

Server runs on: http://localhost:5000

Frontend:

cd task-manager
npm install
npm run dev

Frontend runs on: http://localhost:5173

Note: Currently the frontend still uses localStorage. The integration is in progress.

🔧 Environment Variables

Backend (.env):

PORT=5000
MONGO_URI=mongodb://localhost:27017/task-manager
JWT_SECRET=task_manager_secret_key_2025_dev
JWT_EXPIRE=7d
MAX_FILE_SIZE=5242880
UPLOAD_PATH=./uploads
CLIENT_URL=http://localhost:5173

Frontend (.env):

VITE_API_URL=http://localhost:5000/api
VITE_SOCKET_URL=http://localhost:5000

📦 New Features Implemented

Backend Features:

✅ Full REST API with JWT authentication ✅ Real-time updates via Socket.io ✅ Subtasks with full CRUD ✅ Tags system ✅ Recurrence pattern support ✅ File attachments support ✅ Automatic next task generation for recurring tasks

Frontend Features:

✅ TypeScript types updated for all new features ✅ API service layer with axios ✅ WebSocket service for real-time updates ✅ Environment configuration ⏳ Context integration (in progress) ⏳ UI components (pending)

🎯 Next Immediate Steps

  1. Update AuthContext to use real API
  2. Update TaskContext to use real API
  3. Add toast notifications throughout
  4. Test authentication flow
  5. Test task CRUD operations
  6. Implement subtasks UI
  7. Implement tags UI
  8. Implement recurring tasks UI
  9. Implement file attachments UI
  10. Add enhanced filtering

🐛 Known Issues / TODOs

  • Need to start MongoDB before running backend
  • File uploads directory needs to be created
  • Need to add form validation on frontend
  • Need to add retry logic for failed API calls
  • Need to implement optimistic UI updates
  • Need to add pagination for large task lists
  • Need to add rate limiting on backend
  • Need to add input sanitization
  • Need to write tests
  • Need to add deployment configuration

📝 Notes

This is a work in progress. The backend is fully functional and ready to use. The frontend needs context integration to connect to the backend API instead of localStorage.

The architecture is designed to support real-time collaboration, but currently only single-user scenarios are tested.