/// <summary>
/// Конструктор.
/// </summary>
/// <param name="link">Ссылка.</param>
/// <param name="visited">Посещённые.</param>
/// <param name="favorites">Избранные.</param>
public VisitedMainTileViewModel(BoardLinkBase link, ThreadLinkCollection visited, ThreadLinkCollection favorites)
{
if (link == null) throw new ArgumentNullException(nameof(link));
this.link = link;
TileData = new VisitedThreadTileViewModel(link);
var upd = (IThreadTileUpdater)TileData;
upd.UpdateData(visited);
FavoritesChanged(favorites);
hash = ServiceLocator.Current.GetServiceOrThrow<ILinkHashService>().GetLinkHash(link);
if (visited?.ThreadInfo != null)
{
threadInfo = visited.ThreadInfo.ContainsKey(hash) ? visited.ThreadInfo[hash] : null;
}
}
/// <summary>
/// Конструктор.
/// </summary>
/// <param name="link">Ссылка.</param>
/// <param name="favorites">Избранные треды.</param>
public FavoriteMainTileViewModel(BoardLinkBase link, ThreadLinkCollection favorites)
{
if (link == null) throw new ArgumentNullException(nameof(link));
this.link = link;
TileData = new FavoriteThreadTileViewModel(link);
var upd = (IThreadTileUpdater) TileData;
var si = upd?.UpdateData(favorites);
if (si != null)
{
UpdateId = new ThreadListUpdateId() { LinkHash = ServiceLocator.Current.GetServiceOrThrow<ILinkHashService>().GetLinkHash(link), SortDate = si.AddedDate, Link = link };
}
else
{
UpdateId = new ThreadListUpdateId() { LinkHash = ServiceLocator.Current.GetServiceOrThrow<ILinkHashService>().GetLinkHash(link), SortDate = DateTime.MinValue, Link = link };
}
}
/// <summary>
/// Изменились посещённые.
/// </summary>
/// <param name="visited">Посещённые.</param>
public void VisitedChanged(ThreadLinkCollection visited)
{
}
/// <summary>
/// Избранные изменились.
/// </summary>
/// <param name="favorites">Избранные.</param>
public void FavoritesChanged(ThreadLinkCollection favorites)
{
(TileData as IThreadTileUpdater)?.UpdateData(favorites);
}
/// <summary>
/// Изменились посещённые.
/// </summary>
/// <param name="visited">Посещённые.</param>
public void VisitedChanged(ThreadLinkCollection visited)
{
if (visited?.ThreadInfo != null)
{
threadInfo = visited.ThreadInfo.ContainsKey(hash) ? visited.ThreadInfo[hash] : null;
}
}
/// <summary>
/// Избранные изменились.
/// </summary>
/// <param name="favorites">Избранные.</param>
public void FavoritesChanged(ThreadLinkCollection favorites)
{
if (favorites?.Links != null)
{
var linkHash = ServiceLocator.Current.GetServiceOrThrow<ILinkHashService>();
var comparer = linkHash.GetComparer();
IsFavorite = favorites.Links.Any(l => comparer.Equals(l, link));
CanAddToFavorites = !IsFavorite;
CanRemoveFromFavorites = IsFavorite;
}
}
/// <summary>
/// Добавить в избранные треды.
/// </summary>
/// <param name="link">Ссылка.</param>
/// <param name="info">Информация о треде.</param>
/// <param name="reportError">Показать ошибку на экране.</param>
/// <returns>Треды.</returns>
public static async Task AddToFavoriteThreads(this BoardLinkBase link, ShortThreadInfo info = null, bool reportError = true)
{
if (link != null)
{
try
{
var storage = ServiceLocator.Current.GetServiceOrThrow<IStorageService>();
var linkHash = ServiceLocator.Current.GetServiceOrThrow<ILinkHashService>();
var threadProcess = ServiceLocator.Current.GetServiceOrThrow<IThreadTreeProcessService>();
var comparer = linkHash.GetComparer();
var hash = linkHash.GetLinkHash(link);
var favs = await storage.ThreadData.FavoriteThreads.LoadLinkCollection() as ThreadLinkCollection;
if (favs == null)
{
favs = new ThreadLinkCollection();
}
if (favs.Links == null)
{
favs.Links = new List<BoardLinkBase>();
}
if (favs.ThreadInfo == null)
{
favs.ThreadInfo = new Dictionary<string, ShortThreadInfo>();
}
if (favs.Links.Any(f => comparer.Equals(f, link)))
{
return;
}
if (info == null)
{
var visited = await storage.ThreadData.VisitedThreads.LoadLinkCollectionForReadOnly() as ThreadLinkCollection;
if (visited?.ThreadInfo != null)
{
if (visited.ThreadInfo.ContainsKey(hash))
{
info = visited.ThreadInfo[hash];
}
}
}
if (info == null)
{
var data = await storage.ThreadData.LoadThread(link);
if (data != null)
{
info = threadProcess.GetShortInfo(data);
}
}
if (info == null)
{
throw new InvalidOperationException("Информация о треде не найдена");
}
var pc = await storage.ThreadData.LoadPostCountInfo(link) ?? PostCountInfo.Create(link);
favs.Links.Add(link);
favs.Links = favs.Links.Deduplicate(f => f, comparer).ToList();
var favInfo = new FavoriteThreadInfo()
{
CountInfo = pc,
SmallImage = info.SmallImage,
Title = info.Title,
AddedDate = DateTime.Now,
CreatedDate = info.CreatedDate,
UpdatedDate = info.UpdatedDate,
ViewDate = info.ViewDate
};
favs.ThreadInfo[hash] = favInfo;
await storage.ThreadData.FavoriteThreads.SaveLinkCollection(favs);
}
catch (Exception ex)
{
if (reportError)
{
await AppHelpers.ShowError(ex);
}
else
{
DebugHelper.BreakOnError(ex);
}
}
finally
{
ViewModelEvents.FavoritesListRefreshed.RaiseEvent(link, null);
}
}
}
