Person Management System - Coding Challenge

Overview

This repository contains a partially implemented Person Management System. Your task is to complete the implementation according to the requirements below. The goal is to create a simple system that can create, store, and retrieve person records.

Project Structure

The repository contains the following files:

• person.rb - Contains a partially implemented Person class
• person_repo.rb - Contains a partially implemented PersonRepo class
• app.rb - Contains code that creates and saves person objects
• Gemfile - Lists project dependencies (RSpec for testing)
• spec/person_repo_spec.rb - Tests for the PersonRepo class
• spec/person_spec.rb - Tests for the Person class

Challenge Requirements

You need to implement:

1. The Person class with:

   • Constructor that accepts first name, last name, and age
   • A unique identifier (id) for each person
   • A full_name method that returns the person's full name
   • A save method that uses PersonRepo to save the person

2. The PersonRepo class with:

   • Functionality to save person data to tmp/persons.json
   • Ability to read/retrieve stored person data

Getting Started

1. Install dependencies:

   bundle install
   

2. Run the failing tests to understand what needs to be implemented:

   bundle exec rspec
   

3. Implement the required functionality in the Person and PersonRepo classes

4. Make sure all tests pass and the main script runs without errors

Hints

• You'll need to create a tmp directory if it doesn't exist
• The PersonRepo should handle JSON serialization and deserialization
• Think about how to structure the JSON data for easy retrieval
• Consider what instance variables the Person class needs
• The full_name method should combine first and last names appropriately
• Each person should have a unique ID (think about using a universally unique identifier)
• Make sure IDs persist when saving and loading person records

Success Criteria

• All tests pass
• Running ruby app.rb successfully saves all person records
• Person data persists between program runs
• Code is clean, readable, and follows Ruby best practices

Good luck!