/// <summary>
/// Delete a NewsUser
/// </summary>
/// <param name="newsUser">The NewsUser to be deletedr</param>
/// <returns></returns>
public async Task DeleteNewsUserAsync(NewsUser newsUser)
{
try
{
#if OFFLINE_SYNC_ENABLED
if (syncItems)
{
await this.SyncAsync();
}
#endif
var arguments = new Dictionary <string, string> {
{ "newsid", newsUser.NewsId }, { "userid", newsUser.UserId }
};
await client.InvokeApiAsync("newsuser", System.Net.Http.HttpMethod.Delete, arguments);
}
catch (MobileServiceInvalidOperationException msioe)
{
Debug.WriteLine(@"Invalid sync operation: {0}", msioe.Message);
}
catch (Exception e)
{
Debug.WriteLine(@"Sync error: {0}", e.Message);
}
}
public async void BookmarkAsync(News news)
{
try
{
if (User.CurrentUser.Authenticated)
{
// bookmark or unbookmark if the user is authenticated
NewsUser newsUser = new NewsUser(news.Id, User.CurrentUser.Id);
if (!User.CurrentUser.Bookmarks.Contains(news))
{
await NewsManager.DefaultManager.SaveNewsUserAsync(newsUser);
news.IsBookmarkedByUser = true;
User.CurrentUser.Bookmarks.Add(news);
}
else
{
// remove from the database
await NewsManager.DefaultManager.DeleteNewsUserAsync(newsUser);
User.CurrentUser.Bookmarks.RemoveWhere((n) => n.Id == newsUser.NewsId);
news.IsBookmarkedByUser = false;
// remove from the Bookmarks property of CurrentUser
}
}
}
catch (Exception e)
{
Debug.WriteLine(e.Message);
}
}
public async Task SaveNewsUserAsync(NewsUser item)
{
if (item.Id == null)
{
await NewsUserTable.InsertAsync(item);
}
else
{
await NewsUserTable.UpdateAsync(item);
}
}