private PhotosetPhotoCollection GetPhotosetPhotos(string photosetID, Flickr flickr)
{
PhotosetPhotoCollection photos = new PhotosetPhotoCollection();
PhotoSearchOptions options = GetPhotoSearchOptions();
Flickr.CacheDisabled = true;
photos = flickr.PhotosetsGetPhotos(photosetID);
return photos;
}
public DomainPhotos Convert(PhotosetPhotoCollection photosetPhotos)
{
if (photosetPhotos == null)
return null;
var domainPhotos = photosetPhotos
.Select(photo => new DomainPhoto(
photo.PhotoId, photo.UserId, photo.OwnerName, string.IsNullOrEmpty(photo.PathAlias) ? photo.UserId : photo.PathAlias,
photo.Title, photo.WebUrl,
photo.SmallUrl, photo.SmallWidth ?? 240, photo.SmallHeight ?? 240,
IsLicensed(photo)))
.ToList();
return new DomainPhotos(domainPhotos, photosetPhotos.Page, photosetPhotos.Pages);
}
public DomainPhotos Convert(PhotosetPhotoCollection photosetPhotos)
{
if (photosetPhotos == null)
return null;
var domainPhotos = photosetPhotos
.Select(photo => new DomainPhoto(
photo.PhotoId, photo.UserId, photo.OwnerName, string.IsNullOrEmpty(photo.PathAlias) ? photo.UserId : photo.PathAlias,
photo.Title, photo.WebUrl,
photo.Medium640Url, photo.Medium640Width ?? 640, photo.Medium640Width ?? 640,
photo.IsLicensed(), photo.DateTaken, photo.Views))
.ToList();
return new DomainPhotos(domainPhotos, photosetPhotos.Page, photosetPhotos.Pages);
}
// Background worker task to search selected photosets.
private void BGDownloadPhotosets(object sender, DoWorkEventArgs e)
{
BackgroundWorker worker = (BackgroundWorker)sender;
worker.ReportProgress(0, "Connecting");
PhotoList = new SortableBindingList <Photo>();
// Count the number of enabled photosets, so we can do an estimate of percent complete;
int enabledPhotosets = 0;
foreach (Photoset photoset in PhotosetList)
{
if (photoset.EnableSearch)
{
enabledPhotosets++;
}
}
if (enabledPhotosets == 0)
{
// No photosets are enabled. We are done.
return;
}
try
{
int indexPhotoset = 0;
FlickrNet.Flickr f = FlickrManager.GetFlickrAuthInstance();
if (f == null)
{
BGErrorMessage = "You must authenticate before you can download data from Flickr.";
return;
}
// Iterate over the photosets and get the photos from each set.
FlickrNet.PhotosetPhotoCollection photoCollection = new FlickrNet.PhotosetPhotoCollection();
foreach (Photoset photoset in PhotosetList)
{
if (worker.CancellationPending)
{
e.Cancel = true;
return;
}
if (photoset.EnableSearch)
{
int percent = indexPhotoset * 100 / enabledPhotosets;
string description = "Searching Album " + photoset.Title;
worker.ReportProgress(percent, description);
int page = 1;
int perpage = 500;
do
{
if (worker.CancellationPending) // See if cancel button was pressed.
{
e.Cancel = true;
return;
}
photoCollection = f.PhotosetsGetPhotos(photoset.PhotosetId, SearchExtras, page, perpage);
#if false
// It is not clear from the documentation whether the limit of 4000 photos per search applies
// to album searches. If an album has more than 4000 photos, is the result of GetPhotos
// accurate? I'm going to assume for now that it is. If not, you can enable this code.
if (photoCollection.Total > 3999)
{
BGErrorMessage = $"Too many photos: {photoCollection.Total}";
return;
}
#endif
foreach (FlickrNet.Photo flickrPhoto in photoCollection)
{
AddPhotoToList(f, flickrPhoto, photoset);
}
// Calculate percent complete based on both how many photo sets we have completed,
// plus how many pages we have read
percent = (indexPhotoset * 100 + page * 100 / photoCollection.Pages) / enabledPhotosets;
worker.ReportProgress(percent, description);
page = photoCollection.Page + 1;
}while (page <= photoCollection.Pages);
indexPhotoset++;
}
}
}
catch (FlickrNet.FlickrException ex)
{
BGErrorMessage = "Search failed. Error: " + ex.Message;
return;
}
DownloadFiles(sender, e);
}