main.go

package main

import (
    "fmt"
    "log"
    "path"
    "strings"
    "net/http"
    "pirates/piratar/octopus"
)

func main() {
	http.HandleFunc("/", handler)

	port := 3000 // TODO: ENV
	fmt.Printf("Piratar service listening on port %d...\n", port)

	if err := http.ListenAndServe(fmt.Sprintf(":%d", port), nil); err != nil {
		log.Fatalf("Server failed: %v", err)
	}
}

func handler(w http.ResponseWriter, r *http.Request) {

    // Extrakce username nebo UUID
    id := strings.ToLower(path.Base(r.URL.Path))
    if dotIndex := strings.LastIndex(id, "."); dotIndex != -1 {
		id = id[:dotIndex]
	}

    // Profilova fotka nebo default
    if photo, err := octopus.ProfilePhoto(id); err == nil {
	    fmt.Printf("Piratar for %s: %s\n", id, photo)
	    http.Redirect(w, r, photo, http.StatusFound)
    } else {
	    fmt.Printf("Piratar for %s not found\n", id)
   	    w.Header().Set("Content-Type", "image/jpeg")
        http.ServeFile(w, r, "default.jpg")
    }
}