func (c GeneratorController) ServeHTTP(w http.ResponseWriter, r *http.Request) {
requestedChannel := strings.Split(r.URL.Path, ".")[0]
channelSchedule := &datastore.Schedule{Id: requestedChannel}
blob := datastore.Blob{channelSchedule.CacheKey()}
if !channelSchedule.IsPlaying() {
go generator.Start(channelSchedule) // start generator
}
str, err := blob.Get()
if err != nil { // If playlist isn't rendered
w.WriteHeader(202)
fmt.Fprintln(w, "generating", requestedChannel)
} else { // otherwise render playlist from redis
w.Header().Add("Content-Type", "application/x-mpegurl")
fmt.Fprintln(w, str)
}
}
