IronPigeon.Relay.Controllers.InboxController.PushNotifyInboxMessageWinPhoneAsync C# (CSharp) Méthode

        private async Task PushNotifyInboxMessageWinPhoneAsync(InboxEntity inbox)
        {
            if (!string.IsNullOrEmpty(inbox.WinPhone8PushChannelUri))
            {
                var notifications = new WinPhonePushNotifications(this.HttpClient, new Uri(inbox.WinPhone8PushChannelUri));

                int count = await this.RetrieveInboxItemsCountAsync(inbox.RowKey);
                bool invalidChannel = false;
                try
                {
                    var pushTile = notifications.PushWinPhoneTileAsync(inbox.WinPhone8TileTemplate, count: count);
                    Task<bool> pushToast = Task.FromResult(false);
                    if (!string.IsNullOrEmpty(inbox.WinPhone8ToastText1) || !string.IsNullOrEmpty(inbox.WinPhone8ToastText2))
                    {
                        var line1 = string.Format(CultureInfo.InvariantCulture, inbox.WinPhone8ToastText1 ?? string.Empty, count);
                        var line2 = string.Format(CultureInfo.InvariantCulture, inbox.WinPhone8ToastText2 ?? string.Empty, count);
                        if (inbox.LastWinPhone8PushNotificationUtc.HasValue && inbox.LastAuthenticatedInteractionUtc.HasValue && inbox.LastWinPhone8PushNotificationUtc.Value > inbox.LastAuthenticatedInteractionUtc.Value)
                        {
                            // We've sent a toast notification more recently than the user has checked messages,
                            // so there's no reason to send another for now.
                            pushToast = Task.FromResult(true);
                        }
                        else
                        {
                            pushToast = notifications.PushWinPhoneToastAsync(line1, line2);
                        }
                    }

                    Task<bool> pushRaw = Task.FromResult(false);
                    if (!string.IsNullOrEmpty(inbox.WinPhone8PushChannelContent))
                    {
                        pushRaw = notifications.PushWinPhoneRawNotificationAsync(inbox.WinPhone8PushChannelContent);
                    }

                    await Task.WhenAll(pushTile, pushToast, pushRaw);
                    invalidChannel |= !(pushTile.Result || pushToast.Result || pushRaw.Result);
                }
                catch (HttpRequestException)
                {
                    invalidChannel = true;
                }

                if (invalidChannel)
                {
                    inbox.WinPhone8PushChannelUri = null;
                    inbox.WinPhone8PushChannelContent = null;
                    inbox.WinPhone8ToastText1 = null;
                    inbox.WinPhone8ToastText2 = null;
                }
                else
                {
                    inbox.LastWinPhone8PushNotificationUtc = DateTime.UtcNow;
                }

                this.InboxTable.UpdateObject(inbox);
            }
        }