Groupie Tracker — Geolocalization

This project enhances the original Groupie Tracker by adding a full map-based geolocation system for artist concerts.

🌍 Features

• Converts concert locations (e.g., Berlin Germany) into geographic coordinates using geocoding.
• Displays all concerts for a selected artist on a world map using Leaflet.js.
• Connects concert locations with a red polyline in chronological order.
• Consolidates multiple dates in the same city under one marker (cleaner design).
• Fully integrated into the existing artist page, with a fullscreen map option.
• Responsive frontend with styled popups, numbers, and date formatting.

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🛠 Technologies Used

• Go (Golang) for backend API and logic
• HTML / CSS / JS for frontend
• Leaflet.js for map rendering
• OpenStreetMap tiles
• No external Go libraries used — only the Go standard library

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📁 Project Structure (Relevant Parts)

groupie-tracker-geolocalization/
├── main.go
├── web/
│   ├── server.go           # Starts the HTTP server
│   ├── handlers.go         # Route logic (e.g. artistLocationsHandler)
│   └── ...
├── data/
│   ├── fetch.go            # Fetches data from external API
│   ├── geocode.go          # Resolves location names to coordinates
│   └── ...
├── models/
│   └── types.go            # Struct definitions for artists, locations, etc.
├── templates/
│   └── artist.html         # Includes map section and popup rendering
│   └── ...
├── static/
│   └── js/map.js           # Fetches & renders map locations
│   └── ...
└── README.md

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✅ How to Run

go run .

Then open:

http://localhost:8080

Click on any artist → scroll to the map section.

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🚦 Evaluation Criteria

• ✅ Only standard Go packages used.
• ✅ Uses geocoding to resolve concert addresses.
• ✅ Concert locations sorted & connected chronologically.
• ✅ Multiple concerts in one city are grouped under one marker.
• ✅ Clear, functional user interface.
• ✅ Good code practices and structure.

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🎓 Educational Goals

• Learn to work with JSON, HTTP, and templates in Go
• Understand geocoding and map APIs
• Improve frontend skills with real-world data
• Practice clean code and error handling
• Bridge backend and frontend in a meaningful way

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📜 License

This project is licensed under the MIT License.