public async Task<IEnumerable<FlickrPhoto>> GetRecentlyAddedPhotosAsync(int? numberOfPhotos = 100)
{
IEnumerable<FlickrPhoto> flickrPhotos = new FlickrPhoto[0];
try
{
var command = new GetRecentFlickrPhotosCommand(_apiKey);
command.AddParameter("per_page", (numberOfPhotos ?? 100).ToString());
command.AddParameter("extras", "owner_name,date_upload,original_format,date_taken");
var result = await _restClient.ExecuteAsync(command);
flickrPhotos = FlickrHelpers.CreateFlickrPhotoFromXml(result.Data.Root);
}
catch (Exception e)
{
OnApiErrorOccured(new ApiErrorOccuredEventArgs(e) { ErrorMessage = e.Message });
}
return flickrPhotos;
}
public async Task SaveFlickrPhotoToPictureLibraryAsync(FlickrPhoto photo)
{
using (var client = new HttpClient())
{
var image = await client.GetByteArrayAsync(photo.LargeImageUrl);
var localFile = await KnownFolders.PicturesLibrary.CreateFileAsync(GetFilenameFromUrl(photo.LargeImageUrl), CreationCollisionOption.GenerateUniqueName);
using (var fileStream = await localFile.OpenAsync(FileAccessMode.ReadWrite))
{
using (var writeStream = fileStream.GetOutputStreamAt(0))
{
using (var writer = new DataWriter(writeStream))
{
writer.WriteBytes(image);
await writer.StoreAsync();
writer.DetachStream();
}
await writeStream.FlushAsync();
}
}
}
}