public async void RemoveAlbum(PicasaItem album)
{
if (album == null)
{
return;
}
try
{
StartBusiness();
var result = await SocialNetworkService.RemoveAlbumAsync(UserInfo.Id, album.Id, album.Etag);
if (result)
{
LoadData();
}
}
catch (Exception ex)
{
Log.Write(string.Format("RemoveAlbum Error: {0}", ex.Message));
throw;
}
finally
{
StopBusiness();
}
}
public async void RemoveItem(PicasaItem item)
{
if (item == null)
{
return;
}
try
{
StartBusiness();
var result = await SocialNetworkService.RemoveImageAsync(UserId, AlbumId, item.Id, item.Etag);
if (result)
{
GetPhotos();
}
}
catch (Exception ex)
{
NotificationsService.ShowAlert(UINotifications.Error, UINotifications.SomeErrorWhileDeletingItem);
Log.Write(string.Format("RemoveItem Error: {0}", ex.Message));
}
finally
{
StopBusiness();
}
}
public void OnAlbumChanged()
{
if (SelectedAlbum == null)
{
return;
}
NavigationService.UriFor <PhotosPageViewModel>()
.WithParam(vm => vm.AlbumId, SelectedAlbum.Id)
.WithParam(vm => vm.UserId, UserInfo.Id)
.WithParam(vm => vm.AlbumTitle, SelectedAlbum.Title)
.Navigate();
SelectedAlbum = null;
}
public static IEnumerable <PicasaItem> Parse(string content)
{
var albums = new List <PicasaItem>();
var xmlBytes = Encoding.UTF8.GetBytes(content);
using (var xmlStream = new MemoryStream(xmlBytes))
{
using (var reader = XmlReader.Create(xmlStream))
{
PicasaItem picasaItem = null;
while (reader.Read())
{
if (reader.IsStartElement())
{
switch (reader.Name)
{
case "entry":
picasaItem = new PicasaItem();
reader.MoveToAttribute("gd:etag");
picasaItem.Etag = reader.Value;
reader.MoveToElement();
break;
case "published":
reader.Read();
if (picasaItem != null)
{
picasaItem.Published = DateTime.Parse(reader.Value);
}
break;
case "updated":
reader.Read();
if (picasaItem != null)
{
picasaItem.Updated = DateTime.Parse(reader.Value);
}
break;
case "title":
reader.Read();
if (picasaItem != null)
{
picasaItem.Title = reader.Value;
}
break;
case "gphoto:id":
reader.Read();
if (picasaItem != null)
{
picasaItem.Id = reader.Value;
}
break;
case "gphoto:location":
reader.Read();
if (picasaItem != null)
{
picasaItem.Location = reader.Value;
}
break;
case "gphoto:numphotos":
reader.Read();
if (picasaItem != null)
{
picasaItem.NumPhotos = Int32.Parse(reader.Value);
}
break;
case "media:content":
reader.MoveToAttribute("url");
if (picasaItem != null)
{
picasaItem.ContentUrl = reader.Value;
}
reader.MoveToElement();
break;
case "media:thumbnail":
reader.MoveToAttribute("url");
if (picasaItem != null)
{
picasaItem.CoverUrl = reader.Value;
}
reader.MoveToElement();
break;
}
}
else if (reader.NodeType == XmlNodeType.EndElement && reader.Name == "entry")
{
albums.Add(picasaItem);
}
}
}
}
return(albums);
}
