CaddyVG

Overview

CaddyVG is a virtual golf caddie that provides golfers with plays-like yardages by combining GPS distance, elevation changes, wind conditions, and temperature adjustments.

Features

• GPS hole navigation
• Front, middle, and back green distances
• Elevation-adjusted yardages
• Wind-adjusted yardages
• Temperature-adjusted yardages
• Hazard visualization
• Digital scorecard

Tech Stack

Frontend

• SwiftUI
• MapKit
• CoreLocation

Backend

• Spring Boot REST API or
• Node.js/Express

Database

• PostgreSQL

External APIs

• OpenStreetMap
• Open-Meteo
• Open Elevation

Architecture

iOS App ↓ REST API ↓ Database

     ↓

Weather API Elevation API Course Data API

• Controller = receives API requests
• Service = contains business logic
• Repository = talks to the database
• Model = database objects
• DTO = request/response objects