public async Task DeleteSavedArticleAsync(Article article)
{
if (article == null)
{
return;
}
try
{
SavedArticles.Find(o => o.ArticleId == article.ArticleId).IsSaved = false;
await SaveSavedArticlesAsync();
SavedArticles.Remove(article);
CurrentSavedArticle = SavedArticles.Count > 0 ? SavedArticles[0] : null;
UpdateSavedArticleMoveStates();
NotifyCurrentSavedArticleChanged(CurrentSavedArticle);
NotifySavedArticlesChanged();
}
catch (Exception exception)
{
if (Debugger.IsAttached)
{
Debug.WriteLine("DataService:" + exception);
}
}
}
public async Task LoadSavedArticlesAsync()
{
if (SavedArticles == null)
{
SavedArticles = new List <Article>();
}
try
{
var articles = await DatabaseOperations.GetInstance().GetSavedArticlesAsync();
if (articles == null || articles.Count <= 0)
{
return;
}
articles = articles.OrderByDescending(o => o.PublishDate).ToList();
foreach (var article in articles.Where(article => SavedArticles.Find(o => o.ArticleId == article.ArticleId) == null))
{
SavedArticles.Add(article);
}
}
catch (Exception exception)
{
if (Debugger.IsAttached)
{
Debug.WriteLine("DataService:" + exception);
}
}
NotifySavedArticlesChanged();
}
public Article GetSavedArticlesFromId(string id)
{
if (SavedArticles != null)
{
CurrentSavedArticle = SavedArticles.Find(o => o.ArticleId == id);
UpdateSavedArticleMoveStates();
return(CurrentSavedArticle);
}
else
{
return(null);
}
}