private void ShowBookmarkNotDownloaded(BookmarkViewModel bookmarkViewModel)
{
var bookmark = App.DbDataContext.Bookmarks.Where(b => b.BookmarkId == bookmarkViewModel.BookmarkId).Single();
bookmarkViewModel.IsDownloaded = false;
bookmarkViewModel.Description = "Downloading...";
App.DbDataContext.SubmitChanges();
MessageBox.Show("This bookmark is not downloaded", "Please wait for the download to complete, or retry by pressing the refresh button", MessageBoxButton.OK);
}
/// <summary>
/// This removes an item from the view model and local storage without actually calling the API.
/// </summary>
public void RemoveItem(BookmarkViewModel bookmarkViewModel, SortedObservableCollection <BookmarkViewModel> bookmarksCollection)
{
var bookmarkToDelete = bookmarksCollection.Where(b => b.BookmarkId == bookmarkViewModel.BookmarkId).FirstOrDefault();
if (bookmarkToDelete != null)
{
bookmarksCollection.Remove(bookmarkToDelete);
}
var bookmarkDbItem = App.DbDataContext.Bookmarks.Where(b => b.BookmarkId == bookmarkViewModel.BookmarkId).FirstOrDefault();
if (bookmarkDbItem != null)
{
App.DbDataContext.Bookmarks.DeleteOnSubmit(bookmarkDbItem);
App.DbDataContext.SubmitChanges();
}
}
public void RemoveItem(BookmarkViewModel bookmarkViewModel)
{
SortedObservableCollection <BookmarkViewModel> bookmarksCollection;
if (bookmarkViewModel.Folder == "archive")
{
bookmarksCollection = ArchivedBookmarks;
}
else if (bookmarkViewModel.Folder == "starred")
{
bookmarksCollection = StarredBookmarks;
}
else
{
bookmarksCollection = Bookmarks;
}
RemoveItem(bookmarkViewModel, bookmarksCollection);
}
/// <summary>
/// Creates and adds a few ItemViewModel objects into the Items collection.
/// </summary>
public void LoadData()
{
this.IsLoading = true;
var bookmarks = App.DbDataContext.Bookmarks.ToList();
UpdateBookmarkCacheStatus();
foreach (var bookmark in bookmarks)
{
var bookmarkViewModel = new BookmarkViewModel(bookmark);
SortedObservableCollection <BookmarkViewModel> bookmarksCollection;
if (bookmark.Folder == "archive")
{
bookmarksCollection = ArchivedBookmarks;
}
else if (bookmark.Folder == "starred")
{
bookmarksCollection = StarredBookmarks;
}
else
{
bookmarksCollection = Bookmarks;
}
var existingBookmark = bookmarksCollection.FirstOrDefault(b => b.BookmarkId == bookmark.BookmarkId);
if (existingBookmark == null) // new bookmark
{
bookmarksCollection.Add(bookmarkViewModel);
}
}
this.IsLoading = false;
}
private void UpdateBookmarksWithData(IEnumerable <Bookmark> newBookmarks)
{
SortedObservableCollection <BookmarkViewModel> bookmarksCollection;
var firstBookmark = newBookmarks.FirstOrDefault();
if (firstBookmark == null)
{
return;
}
else if (firstBookmark.Folder == "archive")
{
bookmarksCollection = ArchivedBookmarks;
}
else if (firstBookmark.Folder == "starred")
{
bookmarksCollection = StarredBookmarks;
}
else
{
bookmarksCollection = Bookmarks;
}
foreach (var bookmark in newBookmarks)
{
var bookmarkViewModel = new BookmarkViewModel(bookmark);
var existingBookmark = bookmarksCollection.FirstOrDefault(b => b.BookmarkId == bookmark.BookmarkId);
if (existingBookmark == null) // new bookmark
{
try
{
bookmarksCollection.Add(bookmarkViewModel);
App.DbDataContext.Bookmarks.InsertOnSubmit(bookmark);
}
catch (InvalidOperationException e)
{
// probably trying to insert dulpicate item
continue;
}
}
else
{
if (bookmark.Hash != existingBookmark.Hash)
{
// if hash doesn't match, clear the body and description
BookmarksStorageManager.DeleteBookmarkCache(bookmark.BookmarkId);
bookmark.ShortBodyText = "Downloading...";
bookmarkViewModel.IsDownloaded = false;
}
}
}
// delete any items that have been removed from the api
foreach (var existingBookmark in bookmarksCollection.ToList())
{
if (newBookmarks.Count(b => b.BookmarkId == existingBookmark.BookmarkId) == 0)
{
RemoveItem(existingBookmark, bookmarksCollection);
}
}
App.DbDataContext.SubmitChanges();
}