private void SetSwitchButton()
 {
     if (Owner.Email.Equals(viewer.Email))
     {
         SwitchButton.Content = "Add PushPin";
     }
     else if (!Corkboard.IsPrivate)
     {
         var alreadyWatching = CorkboardHelper.GetCorkboardWatchers(Corkboard).Exists(x => x.Email.Equals(viewer.Email));
         if (alreadyWatching)
         {
             SwitchButton.Content = "Unwatch";
         }
         else
         {
             SwitchButton.Content = "Watch";
         }
     }
 }
        private void SetWatch()
        {
            var watchers = CorkboardHelper.GetCorkboardWatchers(Corkboard);

            if (Owner.Email.Equals(viewer.Email))
            {
                WatcherBlock.Visibility = Visibility.Hidden;
            }
            else
            {
                if (watchers.Count == 0)
                {
                    WatcherBlock.Text = "No one is watching this corkboard. Be the first!";
                }
                else if (watchers.Count == 1)
                {
                    WatcherBlock.Text = "This corkboard has 1 watcher.";
                }
                else
                {
                    WatcherBlock.Text = $"This corkboard has {watchers.Count} watchers.";
                }
            }
        }