FitSync

Meta University Engineering Capstone Project
Intern: Jason Chimdinma Jason
Intern Manager: Ameya Gawde
Intern Director: Clare Yip
Peer(s): Adam Chappell, Ishan Balar

PROJECT PLAN: Project Plan Link

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Overview

FitSync is a personal fitness tracker that helps users log meals and workouts, view calorie intake and burn progress, and stay consistent with their fitness goals. It simplifies nutrition and exercise tracking by integrating trusted APIs, chart visualizations, and a beginner-friendly UI.

• Category: Health & Fitness
• Story: Users sign up, log meals and workouts, track daily and weekly progress, and optionally receive AI-generated insights or reminders.
• Market: College students, young professionals, and anyone seeking a lightweight alternative to premium fitness apps.
• Habit: Used daily or multiple times per day for logging and checking progress.
• Scope: MVP includes auth, meal/workout logging, summaries, and charts. Stretch features include AI, goals, dark mode, and export options.

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Product Spec

Required (MVP)

• User can create an account (sign up)
• User can log in and stay authenticated
• User can search for foods using real nutrition data
• User can log a meal with quantity and type
• User can log a workout with duration and intensity
• User can view calories in/out and net value for the day
• User can view weekly progress in charts
• User can edit or delete past meals/workouts

Optional / Stretch

• Chat with AI assistant (Gemini API) for personalized coaching
• Set weekly calorie/workout goals and track progress
• Export logs as PDF/CSV for coaches or doctors
• Receive email reminders to log meals/workouts
• Customize profile with photo and personal goals
• Themed dashboard visuals, hover effects, and responsive loading states

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User Stories

• As a user, I want to sign up with my email and password to access my tracker.
• As a user, I want to stay logged in across sessions.
• As a user, I want to search foods with real nutrition data to track what I eat.
• As a user, I want to log meals with quantity and type to view my intake.
• As a user, I want to log workouts with duration/intensity to track calories burned.
• As a user, I want to view today’s calories in/out and net value.
• As a user, I want to view weekly intake/burn progress in charts.
• As a user, I want to view and edit past logs for accuracy.
• (Stretch) As a user, I want personalized advice via AI assistant.
• (Stretch) As a user, I want to set and track calorie/workout goals.

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Screen Archetypes

• Landing Page (stretch)
• Login Page
• Sign Up Page
• Dashboard / Home – Summary, charts, optional AI
• Meal Log Page – Search, log, and view meals
• Workout Log Page – Input, log, and view workouts
• Profile Page – Personal info, progress summary, goal settings

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Data Model

users

Field	Type
id	integer (Primary Key)
email	text
password_hash	text
created_at	date

meals

Field	Type
id	integer (Primary Key)
user_id	integer (Foreign Key)
food_name	text
calories	float
protein	float
carbs	float
fat	float
quantity	float
meal_type	text
date	date

workouts

Field	Type
id	integer (Primary Key)
user_id	integer (Foreign Key)
workout_type	text
duration_minutes	float
intensity	text
calories_burned	float
date	date

goals (stretch)

Field	Type
id	integer (Primary Key)
user_id	integer (Foreign Key)
weekly_calorie_goal	integer
weekly_burn_goal	integer

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Server Endpoints

Method	Endpoint	Description
POST	/auth/register	Create a new user
POST	/auth/login	Authenticate and return token
GET	/meals	Fetch user’s meals
POST	/meals	Add a new meal log
PUT	/meals/:id	Edit an existing meal
DELETE	/meals/:id	Delete a meal
GET	/workouts	Fetch workout logs
POST	/workouts	Add a new workout
PUT	/workouts/:id	Edit a workout
DELETE	/workouts/:id	Delete a workout
GET	/summary/today	Daily calorie summary
GET	/summary/weekly	Weekly chart data
GET	/profile	Fetch user info and progress
POST	/goals (stretch)	Set user goals
GET	/goals (stretch)	Retrieve current goals

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Project Requirements

• Full-stack app with React + Express + PostgreSQL
• User authentication and route protection
• RESTful API and state management
• Relational data model with user logs
• Clean, responsive, and styled frontend
• Render deployment (frontend + backend)
• Source control with GitHub

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Database Integration

• Primary: PostgreSQL
• ORM: Prisma
• Alternatives: Sequelize, Knex.js if needed

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External APIs

• Nutritionix API – For food search and nutrition data
• Gemini API – For AI chat assistant features

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Authentication

• JWT tokens stored in HTTP-only cookies
• Firebase Auth
• Auth middleware for protected endpoints
• React Context to manage frontend auth state
• Auth routes: /auth/register, /auth/login, /logout

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Visuals and Interactions

• Hover effects on charts and dashboard elements
• Custom UI components for calorie summaries and progress
• Loading states with spinners or skeleton components

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Timeline

Week	Deliverables
Week 4	Project plan, data model, screen designs
Week 5	Auth setup, database schema, start meal logging
Week 6	Workout logging, summary views, profile page
Week 7	Charts, edit/delete, polish UI
Week 8	Finalize MVP, stretch features, fix bugs
Week 9	Final deployment, documentation, showcase prep

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Built during the Meta University Engineering Internship, Summer 2025.