/// <summary>
/// Load dictionary (key=albumId,value=photos).
/// </summary>
/// <param name="apiClient"></param>
/// <param name="albums">Albums for which photos will be uploaded.</param>
/// <returns>Loaded album photos.</returns>
public static async Task <IDictionary <int, IEnumerable <Photo> > > GetPhotosForPreviewByAlmubsAsync(
this ApiClientService apiClient,
IEnumerable <Album> albums)
{
var result = new Dictionary <int, IEnumerable <Photo> >();
var tasks = albums.Select(async album =>
{
var photos = await apiClient.GetPhotosByAlbumIdAsync(album.Id);
if (photos is null)
{
return;
}
result.Add(album.Id, photos.Take(6));
});
await Task.WhenAll(tasks);
return(result);
}
