U-pod/main.go

73 lines
1.7 KiB
Go

package main
import (
"log"
"net/http"
"os"
"path/filepath"
"strings"
"time"
)
var (
port = os.Getenv("PODCAST_PORT") // Es: ":8080"
baseURL = os.Getenv("PODCAST_BASE_URL") // Es: "http://mioserver.com"
audioDir = os.Getenv("PODCAST_AUDIO_DIR") // Es: "/data/podcast/audio"
coversDir = os.Getenv("PODCAST_COVERS_DIR") // Es: "/data/podcast/covers"
podTitle = os.Getenv("PODCAST_TITLE") // Es: "Il Mio Podcast"
)
func init() {
// Verifica variabili d'ambiente
for _, v := range []struct {
name string
value string
}{
{"PODCAST_PORT", port},
{"PODCAST_BASE_URL", baseURL},
{"PODCAST_AUDIO_DIR", audioDir},
{"PODCAST_COVERS_DIR", coversDir},
{"PODCAST_TITLE", podTitle},
} {
if v.value == "" {
log.Fatalf("Variabile d'ambiente mancante: %s", v.name)
}
}
}
func main() {
// Handler principale
http.HandleFunc("/", func(w http.ResponseWriter, r *http.Request) {
// Verifica se la richiesta è per un file audio o cover
requestedFile := filepath.Clean(r.URL.Path)
isAudio := strings.HasPrefix(requestedFile, "/audio/")
isCover := strings.HasPrefix(requestedFile, "/covers/")
if isAudio || isCover {
// Servi il file richiesto
http.ServeFile(w, r, filepath.Join(".", requestedFile))
return
}
// Altrimenti servi sempre l'RSS
if err := generateRSS(); err != nil {
http.Error(w, err.Error(), http.StatusInternalServerError)
return
}
http.ServeFile(w, r, "feed.xml")
})
// Aggiornamento periodico
go func() {
for {
time.Sleep(5 * time.Minute)
if err := generateRSS(); err != nil {
log.Printf("Aggiornamento RSS fallito: %v", err)
}
}
}()
log.Printf("Server in ascolto su %s%s", baseURL, port)
log.Fatal(http.ListenAndServe(port, nil))
}