Initial commit

internal/app/telal/adserver.go

@@ -0,0 +1,55 @@
+package telal
+
+import (
+	"encoding/json"
+	"log"
+	"net/http"
+	"time"
+
+	"github.com/gorilla/websocket"
+)
+
+// Message represents the format of messages sent to clients
+type Message struct {
+	Type string `json:"type"`
+	URL  string `json:"url"`
+}
+
+func ServeAds() {
+	// Create a new WebSocket upgrader
+	upgrader := websocket.Upgrader{}
+
+	// Create a handler function for WebSocket connections
+	handler := func(w http.ResponseWriter, r *http.Request) {
+		// Upgrade the HTTP connection to a WebSocket connection
+		conn, err := upgrader.Upgrade(w, r, nil)
+		if err != nil {
+			log.Println(err)
+			return
+		}
+		defer conn.Close()
+
+		// Send a message containing an image URL every 5 seconds
+		for {
+			message := Message{
+				Type: "image",
+				URL:  "http://example.com/image.jpg",
+			}
+			jsonMessage, err := json.Marshal(message)
+			if err != nil {
+				log.Println(err)
+				return
+			}
+			err = conn.WriteMessage(websocket.TextMessage, jsonMessage)
+			if err != nil {
+				log.Println(err)
+				return
+			}
+			time.Sleep(5 * time.Second)
+		}
+	}
+
+	// Set up an HTTP server with the WebSocket handler
+	http.HandleFunc("/", handler)
+	log.Fatal(http.ListenAndServe(":8080", nil))
+}