make json abstraction for server

server/webSocket.go

@@ -0,0 +1,62 @@
+package server
+
+import (
+	"context"
+	"log"
+	"net/http"
+	"time"
+
+	"github.com/coder/websocket"
+	"github.com/coder/websocket/wsjson"
+	"github.com/zuadi/tecamino-dbm.git/models"
+)
+
+func handleWebSocket(w http.ResponseWriter, r *http.Request) {
+	conn, err := websocket.Accept(w, r, &websocket.AcceptOptions{
+		OriginPatterns: []string{"*"},
+	})
+	if err != nil {
+		log.Println("WebSocket accept error:", err)
+		return
+	}
+	defer conn.Close(websocket.StatusInternalError, "Internal error")
+
+	ctx, cancel := context.WithTimeout(r.Context(), 10*time.Minute)
+	defer cancel()
+
+	client := &Client{conn: conn, ctx: ctx}
+
+	// Register client
+	registerClient(client)
+	defer unregisterClient(client)
+
+	// Read loop
+	for {
+		var data models.JsonData
+		err := wsjson.Read(ctx, conn, &data)
+		if err != nil {
+			log.Println("Read error:", err)
+			var response struct {
+				Code    int    `json:"errorCode"`
+				Message string `json:"message"`
+				Error   bool   `json:"error"`
+			}
+			response.Code = 404
+			response.Error = true
+			response.Message = err.Error()
+
+			err = wsjson.Write(ctx, conn, response)
+			if err != nil {
+				log.Println("Read error:", err)
+			}
+			break
+		}
+
+		log.Printf("Received: %v", data)
+
+		// Broadcast to all
+		broadcast(data)
+	}
+
+	conn.Close(websocket.StatusNormalClosure, "Normal closure")
+}