/// <summary>
/// Конструктор.
/// </summary>
/// <param name="link">Ссылка.</param>
/// <param name="favorites">Избранные доски.</param>
public FavoriteBoardMainTileViewModel(BoardLinkBase link, BoardLinkCollection favorites)
{
if (link == null) throw new ArgumentNullException(nameof(link));
this.link = link;
string name = ServiceLocator.Current.GetServiceOrThrow<ILinkTransformService>().GetBoardShortName(link);
var hash = ServiceLocator.Current.GetServiceOrThrow<ILinkHashService>().GetLinkHash(link);
if (favorites?.BoardInfo != null)
{
if (favorites.BoardInfo.ContainsKey(hash))
{
var bi = favorites.BoardInfo[hash];
name = bi.DisplayName;
}
}
TileData = new BoardListBoardDataViewModel(link, name, "Избранные", true, false);
UpdateId = new ThreadListUpdateId() { LinkHash = hash, SortDate = DateTime.MinValue, Link = link };
}
/// <summary>
/// Клонировать.
/// </summary>
/// <returns>Клон.</returns>
public override LinkCollection DeepClone()
{
var r = new BoardLinkCollection();
if (Links != null)
{
r.Links = Links.Select(l => l?.DeepClone()).ToList();
}
if (BoardInfo != null)
{
r.BoardInfo = new Dictionary<string, FavoriteBoardInfo>();
foreach (var kv in BoardInfo)
{
r.BoardInfo[kv.Key] = kv.Value?.DeepClone();
}
}
return r;
}
private async Task<ICollection<IBoardListBoardViewModel>> GetFavorites(BoardLinkCollection linkCollection = null)
{
try
{
var result = linkCollection ?? (await ServiceLocator.Current.GetServiceOrThrow<IStorageService>().ThreadData.FavoriteBoards.LoadLinkCollectionForReadOnly()) as BoardLinkCollection;
cachedFavorites = result;
var resultList = new List<IBoardListBoardViewModel>();
var linkHashService = ServiceLocator.Current.GetServiceOrThrow<ILinkHashService>();
if (result?.Links != null)
{
var favInfo = result.BoardInfo;
foreach (var l in result.Links)
{
string desc = null;
var hash = linkHashService.GetLinkHash(l);
if (favInfo?.ContainsKey(hash) == true)
{
desc = favInfo[hash].DisplayName;
}
if (desc == null)
{
if (references.ContainsKey(l))
{
desc = references[l].DisplayName;
}
}
if (desc == null)
{
desc = "";
}
resultList.Add(new BoardListBoardDataViewModel(l, desc, "Избранные", true, false));
}
}
return resultList;
}
catch (Exception ex)
{
DebugHelper.BreakOnError(ex);
return new List<IBoardListBoardViewModel>();
}
}
private async void UpdateList(ICollection<IBoardListBoardViewModel> rresult, BoardLinkCollection favorites)
{
var newGroups = new List<IBoardListBoardGroupingViewModel>();
var result = (rresult ?? new List<IBoardListBoardViewModel>()).Where(i => i.Link != null).ToArray();
cachedResult = result;
references = result.Deduplicate(i => i.Link, linkEqualityComparer).ToDictionary(i => i.Link, linkEqualityComparer);
var favs = await GetFavorites(favorites);
var toResult = result.Where(r => !r.IsAdult).Concat(favs).Where(DoFilter);
var byCat = toResult.GroupBy(i => new BoardCategoryKey(i), BoardCategoryKey.EqualityComparer);
foreach (var gc in byCat.OrderBy(gc => gc.Key, BoardCategoryKey.Comparer).ToArray())
{
var g = new BoardListGroupingViewModel(gc.Key.Name, gc.Key.IsFavorite);
foreach (var v in gc.OrderBy(v => v.Link, linkComparer).ToArray())
{
g.Add(v);
}
newGroups.Add(g);
}
Groups = newGroups;
ViewModelEvents.BoardListRefresh.RaiseEvent(this, null);
}