fix(sse): sending correctly formatted events & exiting function

backend/events.go

@@ -46,6 +46,8 @@ func ListenNewImageEvents(db *sql.DB, eventManager *EventManager) {
 			ctx := context.Background()
 
 			go func() {
+				time.Sleep(10 * time.Second)
+
 				image, err := imageModel.GetToProcessWithData(ctx, imageId)
 				if err != nil {
 					databaseEventLog.Error("Failed to GetToProcessWithData", "error", err)

backend/main.go

@@ -303,9 +303,10 @@ func main() {
 				return
 			case data := <-imageNotifier:
 				fmt.Printf("Status received: %s\n", data)
-				fmt.Fprintf(w, "data: %s-%s\n", data, time.Now().String())
+				fmt.Fprintf(w, "event: data\ndata: %s-%s\n\n", data, time.Now().String())
 				w.(http.Flusher).Flush()
 				cancel()
+				return
 			}
 		}
 	})