MyTrainer - AI-Powered Personal Training Scheduler

MyTrainer is a comprehensive web application that generates personalized training schedules using AI. The app combines intelligent scheduling with automated notifications to help users achieve their fitness and lifestyle goals.

What It Does

MyTrainer creates customized weekly schedules based on your:

• Personal Goals: Fitness, productivity, wellness, or any lifestyle objectives
• Availability: Work days, free time, and preferred activity times
• Preferences: Activity types, intensity levels, and scheduling preferences

The app then provides:

• AI-Generated Schedules: Personalized weekly plans with specific activities and times
• Smart Notifications: SMS and push notifications to keep you on track
• Flexible Management: Easy schedule adjustments and regeneration options

App Walkthrough

Landing Page

Start your journey with our beautiful, modern landing page that showcases the app's features and benefits.

Authentication

Secure login with Google authentication for a seamless user experience.

Onboarding Process

Answer a few simple questions to help us understand your goals and preferences.

AI Schedule Generation

Watch as our AI creates your personalized schedule in real-time.

Your Personalized Schedule

View and manage your AI-generated weekly schedule with beautiful, organized layouts.

Key Features

AI-Powered Scheduling

• Personalized Plans: ChatGPT generates schedules tailored to your unique goals and lifestyle
• Smart Adaptation: AI considers your work schedule, preferences, and available time
• Motivation Tips: AI provides personalized tips to help you stay motivated
• Regeneration: Easily regenerate your schedule if you want changes

Smart Notifications

• Activity Reminders: Notifications 5 minutes before each scheduled activity
• Daily Motivation: Morning motivation messages to start your day right
• Evening Reflection: Evening prompts for progress reflection
• Multiple Channels: SMS notifications via Twilio and push notifications via Firebase
• Customizable: Choose which notification types you want to receive

Pretty Interface

• Modern Design: Clean, elegant interface with smooth animations
• Responsive: Works perfectly on desktop, tablet, and mobile devices
• Intuitive: Easy-to-use onboarding and schedule management
• Visual Feedback: Beautiful schedule display with pastel colors

Quick Start

Prerequisites

• Node.js (v14 or higher)
• OpenAI API key
• Twilio account (for SMS notifications)
• Firebase project (for push notifications)

Installation

1. Clone the repository

   git clone <repository-url>
   cd mytrainer

2. Install dependencies

   npm install
   cd server && npm install && cd ..

3. Set up environment variables Create a .env file in the project root:

   # OpenAI API
   REACT_APP_OPENAI_API_KEY=your_openai_api_key_here
   
   # Twilio (SMS notifications)
   TWILIO_ACCOUNT_SID=your_twilio_account_sid
   TWILIO_AUTH_TOKEN=your_twilio_auth_token
   TWILIO_PHONE_NUMBER=+1234567890
   
   # Firebase (Push notifications)
   REACT_APP_FIREBASE_API_KEY=your_firebase_api_key
   REACT_APP_FIREBASE_AUTH_DOMAIN=your-project.firebaseapp.com
   REACT_APP_FIREBASE_PROJECT_ID=your-project-id
   REACT_APP_FIREBASE_STORAGE_BUCKET=your-project.appspot.com
   REACT_APP_FIREBASE_MESSAGING_SENDER_ID=123456789
   REACT_APP_FIREBASE_APP_ID=your-app-id
   REACT_APP_FIREBASE_VAPID_KEY=your_vapid_key_here

4. Start the servers

   # Start the notification server (in one terminal)
   cd server && node notificationServer.js
   
   # Start the React app (in another terminal)
   npm start

5. Open the application Visit http://localhost:3000 in your browser

Detailed Setup

OpenAI API Setup

1. Go to OpenAI Platform
2. Sign up or log in to your account
3. Navigate to "API Keys" in your dashboard
4. Create a new API key
5. Add the key to your .env file

Twilio Setup (SMS Notifications)

1. Create a Twilio account
2. Get your Account SID and Auth Token from the dashboard
3. Purchase a phone number for SMS capabilities
4. Add credentials to your .env file

Firebase Setup (Push Notifications)

1. Create a Firebase project
2. Enable Cloud Messaging in project settings
3. Generate a VAPID key pair
4. Download the service account JSON file
5. Save it as server/firebase-service-account.json
6. Add Firebase configuration to your .env file

How to Use

1. Onboarding

• Enter your personal goals and objectives
• Specify your work days and available time
• Choose your preferred activity types and intensity levels

2. Schedule Generation

• The AI automatically creates your personalized weekly schedule
• Review the generated activities and times
• Regenerate if you want changes

3. Notification Setup

• Click "Notification Settings" in your schedule
• Enable desired notification types (SMS, push, or both)
• Enter your phone number for SMS notifications
• Grant browser permissions for push notifications

4. Daily Use

• Receive notifications before each scheduled activity
• Get morning motivation messages
• Reflect on your progress in the evening
• Adjust your schedule as needed

Architecture

Frontend (React)

• src/App.js - Main application component
• src/Onboarding.js - User onboarding and data collection
• src/ScheduleDisplay.js - Schedule display and management
• src/NotificationSettings.js - Notification configuration
• src/scheduleService.js - OpenAI API integration
• src/notificationService.js - Frontend notification logic

Backend (Node.js)

• server/notificationServer.js - Notification scheduling and sending
• Handles SMS via Twilio
• Manages push notifications via Firebase
• Schedules automated notifications

Key Technologies

• Frontend: React, CSS3, HTML5
• Backend: Node.js, Express
• AI: OpenAI GPT API
• SMS: Twilio
• Push Notifications: Firebase Cloud Messaging
• Styling: Custom CSS with gradients and animations

Security & Privacy

• Environment Variables: Never commit .env files to version control
• API Keys: Keep all API keys secure and private
• User Data: User information is processed securely
• Notifications: User consent required before sending notifications
• Rate Limiting: Implemented to prevent abuse

Cost Considerations

OpenAI API

• Each schedule generation typically costs a few cents
• Monitor usage in your OpenAI dashboard
• Costs based on the number of tokens used

Twilio SMS

• Free tier: 1,000 SMS/month
• Paid: ~$0.0075 per SMS (varies by country)
• Consider user opt-in rates and frequency

Firebase

• Free tier: 1 million FCM messages/month
• Paid: $0.50 per million messages
• Very cost-effective for push notifications

Troubleshooting

Common Issues

API Key Problems

• Verify your .env file is in the project root
• Check that API keys are correct and active
• Restart the development server after adding keys

Notification Issues

• Verify Twilio credentials and phone number format
• Check Firebase configuration and VAPID key
• Ensure browser permissions are granted
• Check server logs for error messages

Server Connection

• Verify notification server is running on port 3001
• Check CORS configuration
• Ensure all environment variables are set