public BoardCatalogModel(INavigation navigation, ISiteAPI api, BoardId boardId)
{
Title = "/" + boardId + "/";
_api = api;
_boardId = boardId;
_navigation = navigation;
Posts = new ObservableCollection<Post>();
}
public async Task<IEnumerable<Post>> GetCatalog(BoardId boardId)
{
Uri uri = new Uri("https://a.4cdn.org/" + boardId + "/catalog.json");
var request = WebRequest.Create(uri);
var response = await request.GetResponseAsync();
var reader = new StreamReader(response.GetResponseStream());
var catalogJson = await reader.ReadToEndAsync();
var pages = JsonConvert.DeserializeObject<Page[]>(catalogJson);
var posts = pages.SelectMany(x => x.Threads).ToArray();
ProcessPosts(boardId, posts);
return posts;
}
private static void ProcessPosts(BoardId boardId, Post[] posts)
{
Regex htmlTag = new Regex("<[^>]*>");
Regex emptySpace = new Regex(@"\s+");
foreach (var post in posts)
{
post.BoardId = boardId;
if (post.Comment != null)
{
post.CommentPlain = WebUtility.HtmlDecode(emptySpace.Replace(htmlTag.Replace(post.Comment, " "), " "));
var fixedNewlines = post.Comment.Replace("<br>", Environment.NewLine);
post.CommentParsed = WebUtility.HtmlDecode(htmlTag.Replace(fixedNewlines, ""));
}
if (!string.IsNullOrWhiteSpace(post.FileName))
{
post.ThumbnailPath = CreateThumbnailUri(boardId, post.FileName);
post.ImagePath = CreateImageUri(boardId, post.FileName, post.FileExtension);
}
}
}
private static Uri CreateThumbnailUri(BoardId boardId, string fileName)
{
return new Uri("https://i.4cdn.org/" + boardId + "/" + fileName + "s.jpg ");
}
private static Uri CreateImageUri(BoardId boardId, string fileName, string extension)
{
return new Uri("https://i.4cdn.org/" + boardId + "/" + fileName + extension);
}
public void OpenBoard(BoardId boardId)
{
AddOrSelectScreen(x => x.BoardId.Equals(boardId), () => new BoardCatalogModel(this, new FourChanAPI(), boardId));
}
public void Openning_a_board_sets_it_as_current()
{
var boardId = new Model.BoardId("g");
Views.ApplicationNavigationViewModel model = new Views.ApplicationNavigationViewModel();
var prevItems = model.Items.ToList();
model.OpenBoard(boardId);
var addedScreen = model.Items.Except(prevItems).Single();
Assert.AreSame(addedScreen, model.CurrentScreen);
}
public void Openning_a_board_again_sets_it_as_current()
{
var boardId = new Model.BoardId("g");
Views.ApplicationNavigationViewModel model = new Views.ApplicationNavigationViewModel();
model.OpenBoard(boardId);
var boardScreen = model.CurrentScreen;
model.ItemClicked(model.BoardsScreen);
model.OpenBoard(boardId);
Assert.AreSame(boardScreen, model.CurrentScreen);
}
public void Openning_a_board_again_doesnt_add_it_again()
{
var boardId = new Model.BoardId("g");
Views.ApplicationNavigationViewModel model = new Views.ApplicationNavigationViewModel();
model.OpenBoard(boardId);
var prevItems = model.Items.ToList();
model.OpenBoard(boardId);
var addedScreens = model.Items.Except(prevItems).ToList();
Assert.AreEqual(0, addedScreens.Count, "Screen was added when it shouldn't be!");
}
public void Openning_a_board_adds_it_to_items()
{
var boardId = new Model.BoardId("g");
Views.ApplicationNavigationViewModel model = new Views.ApplicationNavigationViewModel();
var prevItems = model.Items.ToList();
model.OpenBoard(boardId);
var newItems = model.Items.Except(prevItems).ToList();
Assert.AreEqual(1, newItems.Count, "Not exactly one screen was added");
var addedScreen = newItems.First();
Assert.IsInstanceOfType(addedScreen, typeof(BoardCatalogModel), "Added screen didn't seem to be correct type!");
Assert.AreEqual(boardId, (addedScreen as BoardCatalogModel).BoardId, "Added screen didn't seem to have correct id!");
}
public void OpenBoard(BoardId boardId)
{
throw new NotImplementedException();
}
public ThreadId(BoardId board, UInt64 thread)
{
_board = board;
_thread = thread;
}
