public async void LoadSubscriptions()
{
if (!ApplicationSetting.GetLocalSetting("google_is_loggedin", false))
{
return;
}
if (_selfSubscriptionVideoCollection != null)
{
_selfSubscriptionVideoCollection.Clear();
}
// Static global variable data to be referenced by the LoadMoreItems function
string pagination = null;
string firstpagination = null;
bool isLoadComplete = false;
// Function
selfSubscriptionVideoCollection = new IncrementalLoadingCollection <Subscription>((CancellationToken cts, uint count) =>
{
return(Task.Run <ObservableCollection <Subscription> >(async() =>
{
ObservableCollection <Subscription> newcollection = new ObservableCollection <Subscription>();
if (!isLoadComplete)
{
string uri = string.Format("https://www.googleapis.com/youtube/v3/subscriptions?part={0}&mine={1}&maxResults={2}",
"contentDetails%2CsubscriberSnippet%2Csnippet",
"true",
50);
if (pagination != null)
{
uri += "&pageToken=" + pagination;
}
object obj = await YouTubeAuthenticatedAPI.RequestedAuthenticatedAPICall(uri, typeof(SubscriptionResultObject));
if (obj != null)
{
SubscriptionResultObject deserialize = (SubscriptionResultObject)obj;
if (pagination != null && firstpagination == pagination) // Is this the end?
{
isLoadComplete = true;
return newcollection;
}
else
{
// Set pagination
pagination = deserialize.nextPageToken;
if (firstpagination == null)
{
firstpagination = pagination; // no choice, we might load the first at the end again.. there's no pagination information for the first page
}
// Add to list of subscription videos
foreach (Subscription s in deserialize.items)
{
newcollection.Add(s);
}
}
}
//var videoInfoRequest = YoutubeService.service.Subscriptions.List("contentDetails,id,snippet,subscriberSnippet");
/* videoInfoRequest.RequestParameters.Add("access_token",
* new Parameter()
* {
* Name = "access_token",
* DefaultValue = await ApplicationSetting.GetEncryptedLocalStringValueOrDefault("google_access_token", ""),
* IsRequired = true,
* });*/
//videoInfoRequest.Mine = true;
//videoInfoRequest.OauthToken = await ApplicationSetting.GetEncryptedLocalStringValueOrDefault("google_authorization_token", "");
/*if (pagination != null)
* {
* videoInfoRequest.PageToken = pagination;
* }
*
* try
* {
* var videoResultResponse = await videoInfoRequest.ExecuteAsync();
*
* // Set new pagination
* pagination = videoResultResponse.NextPageToken;
* if (firstpagination == null)
* {
* firstpagination = pagination; // no choice, we might load the first at the end again.. there's no pagination information for the first page
* }
* else if (firstpagination == pagination)
* {
* isLoadComplete = true;
* return newcollection;
* }
*
* foreach (Subscription t in videoResultResponse.Items)
* {
* newcollection.Add(t);
* }
* }
* catch (Exception exp)
* {
* Debug.WriteLine(exp.ToString());
* }*/
}
return newcollection;
}));
});
await selfSubscriptionVideoCollection.LoadMoreItemsAsync(10);
}
