Initiate events connection on all authenticated pages

api/event.go

@@ -10,7 +10,47 @@ import (
 	"github.com/rs/zerolog/log"
 )
 
+var connectionsSSE map[*ConnectionSSE]bool = make(map[*ConnectionSSE]bool, 0)
+
 func streamEvents(w http.ResponseWriter, r *http.Request, u platform.User) {
+	// Set headers for SSE
+	w.Header().Set("Content-Type", "text/event-stream")
+	w.Header().Set("Cache-Control", "no-cache")
+	w.Header().Set("Connection", "keep-alive")
+	w.Header().Set("Access-Control-Allow-Origin", "*")
+
+	connection := ConnectionSSE{
+		chanState: make(chan MessageSSE),
+		id:        fmt.Sprintf("%d", time.Now().UnixNano()),
+	}
+	connectionsSSE[&connection] = true
+	// Send an initial connected event
+	fmt.Fprintf(w, "event: connected\ndata: {\"status\": \"connected\", \"time\": \"%s\"}\n\n", time.Now().Format(time.RFC3339))
+	w.(http.Flusher).Flush()
+
+	// Keep the connection open with a ticker sending periodic events
+	ticker := time.NewTicker(5 * time.Second)
+	defer ticker.Stop()
+
+	// Use a channel to detect when the client disconnects
+	done := r.Context().Done()
+
+	// Keep connection open until client disconnects
+	var err error
+	for {
+		err = nil
+		select {
+		case <-done:
+			log.Info().Msg("Client closed connection")
+			return
+		case t := <-ticker.C:
+			// Send a heartbeat message
+			err = connection.SendHeartbeat(w, t)
+		}
+		if err != nil {
+			log.Error().Err(err).Msg("Failed to send state from webserver")
+		}
+	}
 }
 
 type MessageHeartbeat struct {
@@ -52,52 +92,3 @@ func send[T any](w http.ResponseWriter, msg T) error {
 	w.(http.Flusher).Flush()
 	return nil
 }
-
-type Webserver struct {
-	connections map[*ConnectionSSE]bool
-}
-
-// sseHandler handles the Server-Sent Events connection
-func (web *Webserver) sseHandler(w http.ResponseWriter, r *http.Request) {
-	// Set headers for SSE
-	w.Header().Set("Content-Type", "text/event-stream")
-	w.Header().Set("Cache-Control", "no-cache")
-	w.Header().Set("Connection", "keep-alive")
-	w.Header().Set("Access-Control-Allow-Origin", "*")
-
-	connection := ConnectionSSE{
-		chanState: make(chan MessageSSE),
-		id:        fmt.Sprintf("%d", time.Now().UnixNano()),
-	}
-	web.connections[&connection] = true
-	// Send an initial connected event
-	fmt.Fprintf(w, "event: connected\ndata: {\"status\": \"connected\", \"time\": \"%s\"}\n\n", time.Now().Format(time.RFC3339))
-	w.(http.Flusher).Flush()
-
-	// Keep the connection open with a ticker sending periodic events
-	ticker := time.NewTicker(5 * time.Second)
-	defer ticker.Stop()
-
-	// Use a channel to detect when the client disconnects
-	done := r.Context().Done()
-
-	// Keep connection open until client disconnects
-	var err error
-	for {
-		err = nil
-		select {
-		case <-done:
-			log.Info().Msg("Client closed connection")
-			return
-		case t := <-ticker.C:
-			// Send a heartbeat message
-			err = connection.SendHeartbeat(w, t)
-			//case state := <-connection.chanState:
-			//log.Debug().Msg("Sending new state to connection")
-			//err = connection.SendState(w, state)
-		}
-		if err != nil {
-			log.Error().Err(err).Msg("Failed to send state from webserver")
-		}
-	}
-}

html/template/sync/layout/authenticated.html

@@ -60,6 +60,7 @@
 				setTooltipsForSidebar();
 			});
 		</script>
+		<script src="/static/js/events.js"></script>
 		{{ if not .Config.IsProductionEnvironment }}
 			<script src="/.flogo/injector.js"></script>
 		{{ end }}