protected override void OnNavigatedTo(NavigationEventArgs e)
{
base.OnNavigatedTo(e);
if (DesignerProperties.IsInDesignTool) return;
const string key = TwitterSearchViewModel.StateKey;
var store = new TransientDataStorage();
var items = store.Restore<ObservableCollection<TweetItemViewModel>>(key);
if (null == items || !items.Any())
throw new NullReferenceException("Failed to find tweet items in store with key " + key);
var arg = this.NavigationContext.QueryString["TweetId"];
var tweetId = Convert.ToInt64(arg);
this.ViewModel = items.Where(i => i.TweetId == tweetId).FirstOrDefault();
}
public static Uri Tweet(TweetItemViewModel tweet)
{
var uri = new Uri(string.Format( "/Pages/TweetDetailsPage.xaml?TweetId={0}", tweet.TweetId), UriKind.Relative);
return uri;
}
public static TweetItemViewModel CreateTweetItem(Tweet t)
{
var decoder = IoC.Get<IHtmlDecoder>();
var vm = new TweetItemViewModel
{
Text = decoder.Decode(t.Text),
ProfileImageUrl = t.ProfileImageUrl,
FromUser = t.FromUser,
TweetId = t.Id
};
if (t.CreatedAt.HasValue)
{
var ts = DateTime.Now - t.CreatedAt.Value;
if (ts.TotalSeconds < 1)
vm.TimeAgoText = "Just now";
else if (ts.TotalMinutes < 1)
vm.TimeAgoText = string.Format("{0:##} secs", ts.TotalSeconds);
else if (ts.TotalHours < 1)
vm.TimeAgoText = string.Format("{0:##} mins", ts.TotalMinutes);
else if (ts.TotalDays < 1)
vm.TimeAgoText = string.Format("{0:##} hrs", ts.TotalHours);
else
vm.TimeAgoText = string.Format("{0:##} days", ts.TotalDays);
vm.DateTimeText = t.CreatedAt.Value.ToString("G");
}
if (!string.IsNullOrEmpty(t.Source))
{
var src = t.Source.Replace("<", "<").Replace(">", ">").Replace(""", "\"");
var link = LinkFinder.Find(src).FirstOrDefault();
if (null != link)
{
vm.ClientUrl = link.Href;
vm.Client = link.Text;
}
}
return vm;
}