public IQueryable <Entity.GalleryItem> Sort(Entity.AlbumAction albumAction)
{
// POST /api/albums/getsortedalbum -
try
{
return(GalleryObjectController.SortGalleryItems(albumAction));
}
catch (InvalidAlbumException)
{
throw new HttpResponseException(new HttpResponseMessage(HttpStatusCode.NotFound)
{
Content = new StringContent(String.Format("Could not find album with ID = {0}", albumAction.Album.Id)),
ReasonPhrase = "Album Not Found"
});
}
catch (GallerySecurityException)
{
throw new HttpResponseException(new HttpResponseMessage(HttpStatusCode.Forbidden));
}
catch (Exception ex)
{
AppEventController.LogError(ex);
throw new HttpResponseException(new HttpResponseMessage(HttpStatusCode.InternalServerError)
{
Content = Utils.GetExStringContent(ex),
ReasonPhrase = "Server Error"
});
}
}
/// <summary>
/// Sorts the gallery items passed to this method and return. No changes are made to the data store.
/// When the album is virtual, the <see cref="Entity.AlbumAction.Album.GalleryItems" /> property
/// must be populated with the items to sort. For non-virtual albums (those with a valid ID), the
/// gallery objects are retrieved based on the ID and then sorted. The sort preference is saved to
/// the current user's profile, except when the album is virtual. The method incorporates security to
/// ensure only authorized items are returned to the user.
/// </summary>
/// <param name="albumAction">An instance containing the album to sort and the sort preferences.</param>
/// <returns>IQueryable{Entity.GalleryItem}.</returns>
/// <exception cref="GalleryServerPro.Events.CustomExceptions.GallerySecurityException">Thrown when
/// the user does not have view permission to the specified album.</exception>
public static IQueryable <Entity.GalleryItem> SortGalleryItems(Entity.AlbumAction albumAction)
{
IAlbum album;
if (albumAction.Album.Id > int.MinValue)
{
album = Factory.LoadAlbumInstance(albumAction.Album.Id, true);
SecurityManager.ThrowIfUserNotAuthorized(SecurityActions.ViewAlbumOrMediaObject, RoleController.GetGalleryServerRolesForUser(), album.Id, album.GalleryId, Utils.IsAuthenticated, album.IsPrivate, album.IsVirtualAlbum);
PersistUserSortPreference(album, albumAction.SortByMetaNameId, albumAction.SortAscending);
}
else
{
album = Factory.CreateAlbumInstance(albumAction.Album.Id, albumAction.Album.GalleryId);
album.IsVirtualAlbum = (albumAction.Album.VirtualType != (int)VirtualAlbumType.NotVirtual);
album.VirtualAlbumType = (VirtualAlbumType)albumAction.Album.VirtualType;
var roles = RoleController.GetGalleryServerRolesForUser();
foreach (var galleryItem in albumAction.Album.GalleryItems)
{
if (galleryItem.IsAlbum)
{
var childAlbum = Factory.LoadAlbumInstance(galleryItem.Id, false);
if (SecurityManager.IsUserAuthorized(SecurityActions.ViewAlbumOrMediaObject, roles, childAlbum.Id, childAlbum.GalleryId, Utils.IsAuthenticated, childAlbum.IsPrivate, childAlbum.IsVirtualAlbum))
{
album.AddGalleryObject(childAlbum);
}
}
else
{
var mediaObject = Factory.LoadMediaObjectInstance(galleryItem.Id);
if (SecurityManager.IsUserAuthorized(SecurityActions.ViewAlbumOrMediaObject, roles, mediaObject.Parent.Id, mediaObject.GalleryId, Utils.IsAuthenticated, mediaObject.Parent.IsPrivate, ((IAlbum)mediaObject.Parent).IsVirtualAlbum))
{
album.AddGalleryObject(mediaObject);
}
}
}
}
var galleryObjects = album
.GetChildGalleryObjects(GalleryObjectType.All, !Utils.IsAuthenticated)
.ToSortedList(albumAction.SortByMetaNameId, albumAction.SortAscending, album.GalleryId);
return(ToGalleryItems(galleryObjects).AsQueryable());
}
