private async Task <FacebookCollection <T> > CreateNewCollectionAsync(FacebookCursor.Direction direction)
{
var collectionType = GetType();
var collection = (FacebookCollection <T>)Activator.CreateInstance(collectionType, _fbClient, _query, _token, Cursor);
await collection.LoadToCollectionAsync(Cursor, direction);
return(collection);
}
private async Task <bool> LoadToCollectionAsync(FacebookCursor cursor = null, FacebookCursor.Direction direction = FacebookCursor.Direction.None)
{
try
{
var response = await _fbClient.GetAsync(_query, _token, cursor, direction);
var results = response["data"];
if (!results.Any())
{
return(false);
}
foreach (var result in results)
{
var mappedResult = Mapper(result);
Add(mappedResult);
}
var newCursor = response["paging"]["cursors"];
var before = newCursor["before"]?.ToString();
var after = newCursor["after"]?.ToString();
Cursor = new FacebookCursor(before, after);
return(true);
}
catch (Exception ex)
{
throw new FacebookCollectionException($"There was a problem loading additional items to Facebook collection {typeof(T)}", ex);
}
}