private async Task <IEnumerable <IContentItem> > getItemChildren(IContentItem item, bool silent)
{
if (item.IsRoot)
{
lastChannelsLoaded = DateTime.Now;
var result = await ContentClient.GetChannels();
canRefresh = true;
if ((result != null) && result.Any())
{
return(result);
}
else
{
var isConnected = await RestService.Instance.GetIsConnected();
if (!silent && isConnected)
{
Device.BeginInvokeOnMainThread(() => Application.Current.MainPage.DisplayAlert("Error", "Unable to get channel list. Please make sure you are online, and try again.", "OK"));
}
return(null);
}
}
else
{
if (item.IsChannel)
{
var channel = item as ChannelEx;
if (!channel.IsAvailable)
{
return(null);
}
if ((channel.LoginInfo != null) && channel.LoginInfo.HasCredentials)
{
channel.LoginInfo.LoginPerformed = true;
var result = await ContentClient.LoginAndGetChildren(item.ID, channel.LoginInfo);
if (result == null)
{
var validation = await SettingsClient.ValidateCredentials(channel.ID, channel.LoginInfo);
if ((validation != null) && !validation.Success)
{
channel.LoginInfo.ValidationSuccessful = false;
Device.BeginInvokeOnMainThread(() => AlertViewService.Instance.ShowAlert(validation.Message));
}
}
else
{
channel.LoginInfo.ValidationSuccessful = true;
UserStoreService.Instance.StoreRecordInKeychain(getAccountEmail() + "channel-" + item.ID, JsonConvert.SerializeObject((item as ChannelEx).LoginInfo));
}
channel.RefreshIsSearchVisible();
return(result);
}
else if (channel.CredentialsType != ChannelCredentialsType.Anonymous)
{
return(await ContentClient.LoginAndGetChildren(item.ID, new ChannelLoginInfo()));
}
}
return(await ContentClient.GetChildren(item.ID));
}
}