change message sending to work via http

http.go

@@ -299,8 +299,12 @@ func HttpHandleNewMessage(response http.ResponseWriter, request *http.Request) {
 		http.Error(response, "invalid token", http.StatusUnauthorized)
 	}
 
-	subject := request.FormValue("subject")
-	if subject == "" {
+	targetStr := request.FormValue("subject")
+	if targetStr == "" {
+		http.Error(response, "invalid subject", http.StatusBadRequest)
+	}
+	targetId, err := ConvertStringUint32(targetStr)
+	if err != nil {
 		http.Error(response, "invalid subject", http.StatusBadRequest)
 	}
 
@@ -313,6 +317,6 @@ func HttpHandleNewMessage(response http.ResponseWriter, request *http.Request) {
 	if err != nil {
 		http.Error(response, "invalid token", http.StatusUnauthorized)
 	}
-
-
+	ctx := request.Context()
+	WsSendToGroup(ctx, targetId, clientId, content)
 }