public MainViewModel()
{
ApiBaseUrl = "";
ConsumerKey = "";
ConsumerSecret = "";
ProgressVisible = false;
DataStorage = new DataStorage();
BookmarkList = new BookmarkList();
ReadabilityClient = new ReadabilityApi.ReadabilityClient(ApiBaseUrl, ConsumerKey, ConsumerSecret);
Observable.Buffer(Observable.FromEventPattern(this, "ReadingListUpdated").Throttle(TimeSpan.FromSeconds(1)), 1)
.Subscribe(e =>
{
ShellTile tile = ShellTile.ActiveTiles.First();
if (tile != null && ReadingList.Count > 0) //Do nothing if there's no tile pinned or there are no items in the list.
{
var firstArticleInReadingList = ReadingList.First().Article;
IconicTileData TileData = new IconicTileData()
{
Title = "Now Readable",
Count = ReadingListCount,
WideContent1 = firstArticleInReadingList.Title,
WideContent2 = firstArticleInReadingList.Excerpt.Substring(0, 100),
WideContent3 = firstArticleInReadingList.Author,
SmallIconImage = new Uri("Assets/Tiles/SmallIconImage.png", UriKind.Relative),
IconImage = new Uri("Assets/Tiles/IconImage.png", UriKind.Relative),
BackgroundColor = System.Windows.Media.Colors.Red
};
tile.Update(TileData);
}
});
}
/// <summary>
/// Deletes the given BookmarkList and all contained articles from disk.
/// </summary>
/// <param name="bookmarkList">The bookmark list to be deleted.</param>
public async Task DeleteBookmarkList(BookmarkList masterList, BookmarkList bookmarkList)
{
StorageFolder local = Windows.Storage.ApplicationData.Current.LocalFolder;
foreach (var bookmark in bookmarkList.Bookmarks)
{
if (masterList.Bookmarks.Contains(bookmark))
{
var targetBookmark = masterList.Bookmarks.First(mlBookmark => bookmark.Id == mlBookmark.Id);
var folder = await local.CreateFolderAsync(targetBookmark.Article.Id, CreationCollisionOption.OpenIfExists);
masterList.Bookmarks.Remove(bookmark);
await folder.DeleteAsync();
}
}
var file = await local.CreateFileAsync("bookmarks", CreationCollisionOption.ReplaceExisting);
var fileStream = await file.OpenStreamForWriteAsync();
using (var writer = new BsonWriter(new BinaryWriter(fileStream)))
{
var serializer = new JsonSerializer();
serializer.Serialize(writer, masterList);
}
}
/// <summary>
/// Saves the given bookmark list to a file and downloads all the articles in those bookmarks.
/// </summary>
/// <param name="readabilityClient">The readability client to use to request the documents.</param>
/// <param name="bookmarkList">The bookmark list to be saved.</param>
/// <returns>A simple task to make this awaitable.</returns>
public async Task SaveBookmarkList(ReadabilityClient readabilityClient, BookmarkList masterList)
{
StorageFolder local = Windows.Storage.ApplicationData.Current.LocalFolder;
var file = await local.CreateFileAsync("bookmarks", CreationCollisionOption.ReplaceExisting);
var fileStream = await file.OpenStreamForWriteAsync();
using (var writer = new BsonWriter(new BinaryWriter(fileStream)))
{
var serializer = new JsonSerializer();
serializer.Serialize(writer, masterList);
}
}
/// <summary>
/// Merges the two lists and downloads their articles.
/// </summary>
/// <param name="readabilityClient">The readabilty client to use to request the documents.</param>
/// <param name="masterList">The list that will contain the final list of bookmarks.</param>
/// <param name="bookmarkList">The bookmark list to be saved.</param>
/// <returns>An awaitable task.</returns>
public async Task MergeSaveBookmarkList(MainViewModel mainViewModel, BookmarkList bookmarkList)
{
mainViewModel.ProgressValue = 0;
mainViewModel.ProgressIndeterminate = false;
mainViewModel.ProgressText = "Syncing...";
StorageFolder local = Windows.Storage.ApplicationData.Current.LocalFolder;
var tasks = new List<Task>();
foreach (var bookmark in bookmarkList.Bookmarks)
{
var saveCompleteAction = new Action(() =>
{
int position = mainViewModel.BookmarkList.Bookmarks.IndexOf(bookmark);
mainViewModel.BookmarkList.Bookmarks.Remove(bookmark);
if (position == -1)
{
mainViewModel.BookmarkList.Bookmarks.Add(bookmark);
}
else
{
mainViewModel.BookmarkList.Bookmarks.Insert(position, bookmark);
}
mainViewModel.ProgressValue += ((double)1 / (double)bookmarkList.Bookmarks.Count);
});
tasks.Add(SaveArticle(bookmark, mainViewModel.ReadabilityClient, local, saveCompleteAction));
}
await Task.WhenAll(tasks);
mainViewModel.ProgressIndeterminate = true;
mainViewModel.ProgressText = "Almost done...";
await SaveBookmarkList(mainViewModel.ReadabilityClient, mainViewModel.BookmarkList);
}