[Gekidou] Add push notification check to ping (#19610)

* Add push notification check to ping

* Add test type and missing details

* Address feedback

* Fix function name

* Address feedback

Co-authored-by: Mattermod <mattermod@users.noreply.github.com>

app/notification_push.go

@@ -379,6 +379,32 @@ func (s *Server) StopPushNotificationsHubWorkers() {
 	s.PushNotificationsHub.stop()
 }
 
+func (a *App) rawSendToPushProxy(msg *model.PushNotification) (model.PushResponse, error) {
+	msgJSON, jsonErr := json.Marshal(msg)
+	if jsonErr != nil {
+		return nil, errors.Wrap(jsonErr, "failed to encode to JSON")
+	}
+
+	url := strings.TrimRight(*a.Config().EmailSettings.PushNotificationServer, "/") + model.APIURLSuffixV1 + "/send_push"
+	request, err := http.NewRequest("POST", url, bytes.NewReader(msgJSON))
+	if err != nil {
+		return nil, err
+	}
+
+	resp, err := a.Srv().pushNotificationClient.Do(request)
+	if err != nil {
+		return nil, err
+	}
+	defer resp.Body.Close()
+
+	var pushResponse model.PushResponse
+	if jsonErr := json.NewDecoder(resp.Body).Decode(&pushResponse); jsonErr != nil {
+		return nil, errors.Wrap(jsonErr, "failed to decode from JSON")
+	}
+
+	return pushResponse, nil
+}
+
 func (a *App) sendToPushProxy(msg *model.PushNotification, session *model.Session) error {
 	msg.ServerId = a.TelemetryId()
 
@@ -390,28 +416,11 @@ func (a *App) sendToPushProxy(msg *model.PushNotification, session *model.Sessio
 		mlog.String("status", model.PushSendPrepare),
 	)
 
-	msgJSON, jsonErr := json.Marshal(msg)
-	if jsonErr != nil {
-		return errors.Wrap(jsonErr, "failed to encode to JSON")
-	}
-
-	url := strings.TrimRight(*a.Config().EmailSettings.PushNotificationServer, "/") + model.APIURLSuffixV1 + "/send_push"
-	request, err := http.NewRequest("POST", url, bytes.NewReader(msgJSON))
+	pushResponse, err := a.rawSendToPushProxy(msg)
 	if err != nil {
 		return err
 	}
 
-	resp, err := a.Srv().pushNotificationClient.Do(request)
-	if err != nil {
-		return err
-	}
-	defer resp.Body.Close()
-
-	var pushResponse model.PushResponse
-	if jsonErr := json.NewDecoder(resp.Body).Decode(&pushResponse); jsonErr != nil {
-		return errors.Wrap(jsonErr, "failed to decode from JSON")
-	}
-
 	switch pushResponse[model.PushStatus] {
 	case model.PushStatusRemove:
 		a.AttachDeviceId(session.Id, "", session.ExpiresAt)
@@ -568,6 +577,40 @@ func (a *App) BuildPushNotificationMessage(contentsConfig string, post *model.Po
 	return msg, nil
 }
 
+func (a *App) SendTestPushNotification(deviceID string) string {
+	msg := &model.PushNotification{
+		Version:  "2",
+		Type:     model.PushTypeTest,
+		ServerId: a.TelemetryId(),
+		Badge:    -1,
+	}
+	msg.SetDeviceIdAndPlatform(deviceID)
+
+	pushResponse, err := a.rawSendToPushProxy(msg)
+	if err != nil {
+		a.NotificationsLog().Error("Notification error",
+			mlog.String("type", msg.Type),
+			mlog.String("deviceId", msg.DeviceId),
+			mlog.String("status", err.Error()),
+		)
+		return "unknown"
+	}
+
+	switch pushResponse[model.PushStatus] {
+	case model.PushStatusRemove:
+		return "false"
+	case model.PushStatusFail:
+		a.NotificationsLog().Error("Notification error",
+			mlog.String("type", msg.Type),
+			mlog.String("deviceId", msg.DeviceId),
+			mlog.String("status", pushResponse[model.PushStatusErrorMsg]),
+		)
+		return "unknown"
+	}
+
+	return "true"
+}
+
 func (a *App) buildIdLoadedPushNotificationMessage(channel *model.Channel, post *model.Post, user *model.User) *model.PushNotification {
 	userLocale := i18n.GetUserTranslations(user.Locale)
 	msg := &model.PushNotification{