update ticks are started at startup and when a new stream is added

main.go

@@ -31,6 +31,7 @@ func (server Server) index(w http.ResponseWriter, r *http.Request) {
 	if !exists {
 		stream = NewStream(URL)
 		server.Streams[URL] = stream
+		go stream.Update()
 	}
 	streamTemplate, err := template.ParseFiles(filepath.Join("templates", "stream.html"))
 
@@ -48,8 +49,10 @@ func (server Server) stream(w http.ResponseWriter, r *http.Request) {
 	w.Header().Set("Content-Type", "image/jpeg")
 	URL := r.FormValue("URL")
 
-	stream := NewStream(URL)
-	stream.WriteStreamJSON()
+	stream, exists := server.Streams[URL]
+	if !exists {
+		return
+	}
 
 	img := stream.GetStreamInstant(URL)
 	mat, err := gocv.IMDecode(img, gocv.IMReadGrayScale)

stream.go

@@ -22,16 +22,21 @@ type Stream struct {
 // NewStream creates a new Stream Object
 func NewStream(URL string) Stream {
 	base64 := URLToBase64(URL)
-	return Stream{
+
+	stream := Stream{
 		URL:      URL,
 		Base64:   base64,
 		Interval: 5000,
 	}
+	os.MkdirAll(stream.GetStreamStoreDirPath(), os.ModePerm)
+	stream.WriteStreamJSON()
+	return stream
 }
 
 // Update calls itself every Interval milliseconds
-func (s Stream) Update() {
+func (s Stream) Update() { // TODO make this not overflow, other thing calls this ?
 	log.Print("Update:", s.URL)
+	// TODO make func that does getstreaminstant and savestreaminstant
 	time.Sleep(time.Duration(s.Interval) * time.Millisecond)
 	go s.Update()
 }