public async Task<Collection<Photo>> SearchAsync(PhotoSearchOption option)
{
if (_flickr == null)
throw new Exception("Flickr service is not initialized");
var photos = await _flickr.PhotosSearchAsync(new PhotoSearchOptions
{
Text = option.SearchTerm,
Page = option.PageNumber,
PerPage = option.PageSize,
HasGeo = true,
Extras = PhotoSearchExtras.Geo
});
var photoCol = new Collection<Photo>();
foreach (var photo in photos)
{
photoCol.Add(new Photo
{
SearchRequestId = option.SearchRequestId,
Id = photo.PhotoId,
Title = photo.Title,
Description = photo.Description,
ThumbnailUrl = photo.SquareThumbnailUrl,
ImageUrl = SelectImageUrl(photo),
Location = GetLocation(photo)
});
}
return photoCol;
}
public PhotoDownloaderTask()
: base(nameof(PhotoDownloaderTask), 250 /* ms */)
{
_messengerService = Resolver.Instance.Resolve<IMessengerService>();
_flickrService = Resolver.Instance.Resolve<IFlickrService>();
_searchOption = new PhotoSearchOption
{
PageNumber = 1,
PageSize = DefaultPageSize
};
_isMorePageAvailable = new ManualResetEventSlim(false);
// listen for these events
_messengerService.Register<SearchPhotoEvent>(OnSearchPhoto);
_messengerService.Register<SearchPhotoEndEvent>(OnSearchPhotoEnd);
}