private static async Task <BookMarkFolder> MoveNoLongerFoundDomains(this BookMarkFolder bookMarks)
{
var flattened = bookMarks.FlattenBookMarks().ToList();
var bookMarksToResolve = flattened
.OfType <BookMark>()
.Select(GetHostWithBookMark)
.Where(h => h.Host != null)
.ToArray();
var locker = new object();
var dict = new Dictionary <string, Task <bool> >();
Parallel.For(0, bookMarksToResolve.Length, (i) =>
{
var(host, bookMark, _) = bookMarksToResolve[i];
if (!dict.ContainsKey(host))
{
lock (locker)
{
if (!dict.ContainsKey(host))
{
dict[host] = HostExists(host);
}
}
}
bookMarksToResolve[i] = (host, bookMark, dict[host]);
});
private static BookMarkFolder ParseFolder(string line, BookMarkFolder containingFolder)
{
var(innerText, attributes) = GetNode($"{line}</DT>", "DT", "H3");
var createdDate = attributes.TryGetValue("ADD_DATE", out var unixDateStr1) ? ParseUnixDate(unixDateStr1) : ParseUnixDate("0");
var lastModifiedDate = attributes.TryGetValue("LAST_MODIFIED", out var unixDateStr2) ? ParseUnixDate(unixDateStr2) : ParseUnixDate("0");
var personalToolbarFolder = attributes.TryGetValue("PERSONAL_TOOLBAR_FOLDER", out var personalToolbarFolderStr) && bool.Parse(personalToolbarFolderStr);
return(new BookMarkFolder(innerText, containingFolder.Depth + 1, createdDate, lastModifiedDate, containingFolder, personalToolbarFolder));
}
private static BookMark ParseBookMark(string line, BookMarkFolder containingFolder)
{
var(innerText, attributes) = GetNode($"{line}</DT>", "DT", "A");
var link = attributes.TryGetValue("HREF", out var hrefStr) ? hrefStr : null;
var icon = attributes.TryGetValue("ICON", out var iconStr) ? iconStr : null;
var addDate = attributes.TryGetValue("ADD_DATE", out var unixDateStr) ? ParseUnixDate(unixDateStr) : ParseUnixDate("0");
return(new BookMark(innerText, icon, link, containingFolder.Depth + 1, addDate, containingFolder));
}
public BookMark(string title, string icon, string link, int depth, DateTime createdDate, BookMarkFolder parent)
{
Title = title;
Icon = icon;
Link = link;
Depth = depth;
CreatedDate = createdDate;
Parent = parent;
}
public BookMarkFolder(string title, int depth, DateTime createdDate, DateTime lastModifiedDate, BookMarkFolder parent, bool personalToolbarFolder = false, IEnumerable <IBookMarkNode> children = null)
{
Title = title;
Depth = depth;
CreatedDate = createdDate;
LastModifiedDate = lastModifiedDate;
Parent = parent;
PersonalToolbarFolder = personalToolbarFolder;
Children = new List <IBookMarkNode>(children ?? new IBookMarkNode[0]);
FullTitle = $"{Parent?.FullTitle}/{Title}";
}
private static BookMarkFolder RemoveShallowestDuplicates(this BookMarkFolder bookMarks)
{
var flattened = bookMarks.FlattenBookMarks().ToList();
var bookMarksToRemove = flattened
.OfType <BookMark>()
.GroupBy(bm => bm.Link)
.Where(grp => grp.Count() > 1)
.Select(g => g.OrderBy(b => b.Depth).ToList())
.SelectMany(g => g.Take(g.Count - 1));
foreach (var nodeToRemove in bookMarksToRemove)
{
Console.WriteLine($"Removing BookMark '{nodeToRemove.Title}' from '{nodeToRemove.Parent.FullTitle}'");
nodeToRemove.Parent.Children.Remove(nodeToRemove);
}
return(bookMarks);
}