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Backend Challenge - Fitness Tracker API

Introduction

The "Fitness Tracker API" challenge is designed to build a RESTful API that allows users to track fitness-related data, including activities, workouts, and potentially nutrition.

Objectives

  • Set up a web server capable of handling API requests.
  • Implement endpoints for CRUD operations on user profiles, activities, workouts, and nutrition (optional).
  • Handle data related to fitness tracking (e.g., steps, distance, calories burned).
  • Understand HTTP methods (GET, POST, PUT, DELETE) and status codes.

Instructions

  1. Objective: Develop a RESTful API that provides functionality for tracking fitness data.

  2. Environment Setup: Choose your preferred programming language (e.g., JavaScript, Python, Java, C#) and set up the necessary environment.

  3. Implementation Details:

    • Define endpoints for user profiles (/users):

      • GET /users: Retrieve all user profiles.
      • POST /users: Create a new user profile.
      • GET /users/{userId}: Retrieve details about a specific user profile.
      • PUT /users/{userId}: Update an existing user profile.
      • DELETE /users/{userId}: Delete a user profile.

    • Define endpoints for activities (/activities):

      • GET /activities: Retrieve all activities.
      • POST /activities: Log a new activity (e.g., running, cycling).
      • GET /activities/{activityId}: Retrieve details about a specific activity.
      • PUT /activities/{activityId}: Update an existing activity.
      • DELETE /activities/{activityId}: Delete an activity.

    • Define endpoints for workouts (/workouts):

      • GET /workouts: Retrieve all workouts.
      • POST /workouts: Log a new workout session (e.g., gym session, yoga class).
      • GET /workouts/{workoutId}: Retrieve details about a specific workout.
      • PUT /workouts/{workoutId}: Update an existing workout.
      • DELETE /workouts/{workoutId}: Delete a workout.

    • Define endpoints for nutrition (/nutrition):

      • GET /nutrition: Retrieve nutrition logs.
      • POST /nutrition: Log nutrition intake (optional).
      • GET /nutrition/{nutritionId}: Retrieve details about a specific nutrition log.
      • PUT /nutrition/{nutritionId}: Update an existing nutrition log.
      • DELETE /nutrition/{nutritionId}: Delete a nutrition log.

    • Implement logic to interact with user profile, activity, workout, and nutrition data (e.g., store in database, calculate statistics).

    • Include fields such as user information, activity type, workout details, nutrition intake, and associated metrics.

  4. Testing: Test your API using a HTTP client (e.g., Postman, curl).

    • Send requests to each endpoint (/users, /activities, /workouts, /nutrition) with appropriate data payloads (e.g., JSON for creating/updating user profiles, activities, workouts).
    • Verify that the responses contain the expected data and that status codes are appropriate (e.g., 200 OK, 404 Not Found).

Possible Improvements

  • Fitness Metrics: Implement functionality to calculate and store fitness metrics (e.g., calories burned, distance covered).
  • Dashboard: Create a user dashboard to visualize fitness progress and statistics.
  • Integration: Integrate with fitness tracking devices or apps to automatically log activities and workouts.
  • Authentication: Secure API endpoints, especially those involving user profiles or sensitive fitness data.
  • Goal Tracking: Add support for users to set and track fitness goals (e.g., weight loss, muscle gain).

Conclusion

By completing this challenge, you will gain practical experience in developing a Fitness Tracker API and learn essential practices for backend development in the context of health and fitness applications. Explore additional improvements and challenges to further enhance your skills.

Happy coding!