public IHttpActionResult PutTopStory(int id, TopStory topStory)
{
if (!ModelState.IsValid)
{
return(BadRequest(ModelState));
}
if (id != topStory.ID)
{
return(BadRequest());
}
db.Entry(topStory).State = EntityState.Modified;
try
{
db.SaveChanges();
}
catch (DbUpdateConcurrencyException)
{
if (!TopStoryExists(id))
{
return(NotFound());
}
else
{
throw;
}
}
return(StatusCode(HttpStatusCode.NoContent));
}
public void ComputeTopCommentsPerStoryBlock()
{
ConcurrentDictionary <string, int> comments = new ConcurrentDictionary <string, int>();
comments.TryAdd("a", 1);
comments.TryAdd("b", 2);
comments.TryAdd("c", 3);
comments.TryAdd("d", 4);
comments.TryAdd("e", 5);
comments.TryAdd("f", 6);
comments.TryAdd("g", 7);
comments.TryAdd("h", 8);
comments.TryAdd("i", 9);
comments.TryAdd("j", 10);
comments.TryAdd("k", 11);
comments.TryAdd("l", 12);
TopStory topStory = new TopStory("US takes 'richest nation on earth' crown from Switzerland", comments);
ComputeTopCommentsPerStoryBlock traverseTopStoriesComments = new ComputeTopCommentsPerStoryBlock();
traverseTopStoriesComments.block.Post(topStory);
var topStoryWithTopComments = traverseTopStoriesComments.bufferBlock.ReceiveAsync().Result;
Assert.IsNotNull(topStoryWithTopComments.TopComments);
Assert.AreEqual(topStoryWithTopComments.TopComments.Count, Constants.NBOFCOMMENTERS);
}
protected void Repeater1_ItemCommand(object source, RepeaterCommandEventArgs e)
{
if (e.CommandName == "TopStory")
{
try
{
using (RockyingDataClassesDataContext dc = new RockyingDataClassesDataContext(Utility.ConnectionString))
{
TopStory ts = new TopStory();
ts.CreatedBy = CurrentUser.ID;
ts.DateCreated = DateTime.UtcNow;
ts.PostId = long.Parse(e.CommandArgument.ToString());
dc.TopStories.InsertOnSubmit(ts);
dc.SubmitChanges();
Response.Redirect("topstory.aspx");
}
}
catch (Exception ex)
{
message1.Text = string.Format("Unable to set top story. Error - {0}", ex.Message);
message1.Visible = true;
message1.Indicate = AlertType.Error;
Trace.Write("Unable to set top story.");
Trace.Write(ex.Message);
Trace.Write(ex.StackTrace);
}
}
else if (e.CommandName == "DeleteCommand")
{
}
}
private async Task Run(Item item)
{
var storyComment = (item.Kids != null) ? await traverseCommentTree(item.Kids) : new ConcurrentDictionary <string, int>();
var topStory = new TopStory(item.Title, storyComment);
this.bufferBlock.Post(topStory);
}
private void Run(TopStory topStory)
{
var topComments = (topStory.Comments.Count >= Constants.NBOFCOMMENTERS) ? getTopCommentators(topStory.Comments) : new List <KeyValuePair <string, int> >(topStory.Comments.ToArray());
topStory.TopComments = topComments;
System.Console.WriteLine("Finished processing story : '{0}'", topStory.Title);
this.bufferBlock.Post(topStory);
}
private async Task <IList <TopStory> > FetchStoriesAsync(string url)
{
var html = await FetchHtml(new Uri(url)).ConfigureAwait(false);
var outer = html.DocumentNode.Descendants("table").First();
var inner = outer.Descendants("table").Second();
var rows = inner.Descendants("tr").ToList();
var stories = new List <TopStory>(30); // usually will have 30 stories on the front page, minus job postings.
const int rowsPerStory = 3;
for (var i = 0; i < rows.Count - rowsPerStory; i += rowsPerStory)
{
var storyPieces = rows[i].Descendants("td").ToList();
var metaPieces = rows[i + 1].Descendants("td").ToList();
if (metaPieces[1].ChildNodes.Count == 1)
{
// We're in a job posting, bail
continue;
}
var href = storyPieces[2].Descendants("a").First().Attributes["href"].Value;
var link = new Uri(href.StartsWith("http") ? href : "http://news.ycombinator.com/" + href, UriKind.Absolute); // Ask HN posts have relative URIs, all others are absolute.
var title = storyPieces[2].Descendants("a").First().InnerText;
var scoreline = metaPieces[1].Descendants("span").First().InnerText.Trim();
var anchors = metaPieces[1].Descendants("a").ToList();
var byline = anchors[0].Attributes["href"].Value;
var commentHref = anchors[1].Attributes["href"].Value;
var commentLine = anchors[1].InnerText;
var id = long.Parse(commentHref.Substring(commentHref.LastIndexOf('=') + 1));
var author = byline.Substring(byline.LastIndexOf('=') + 1);
var score = int.Parse(scoreline.Split(' ')[0]);
var timeline = ((HtmlTextNode)metaPieces[1].ChildNodes[3]).Text;
var numComments = commentLine == "discuss" ? 0 : int.Parse(commentLine.Split(' ')[0]);
var story = new TopStory
{
By = author,
CommentCount = numComments,
Id = id,
RawType = "story",
Score = score,
Text = null,
Time = InferTimeFromDisplayText(timeline),
Title = title,
Uri = link
};
stories.Add(story);
}
return(stories);
}
public IHttpActionResult GetTopStory(int id)
{
TopStory topStory = db.TopStories.Find(id);
if (topStory == null)
{
return(NotFound());
}
return(Ok(topStory));
}
public IHttpActionResult PostTopStory(TopStory topStory)
{
if (!ModelState.IsValid)
{
return(BadRequest(ModelState));
}
db.TopStories.Add(topStory);
db.SaveChanges();
return(CreatedAtRoute("DefaultApi", new { id = topStory.ID }, topStory));
}
public IHttpActionResult DeleteTopStory(int id)
{
TopStory topStory = db.TopStories.Find(id);
if (topStory == null)
{
return(NotFound());
}
db.TopStories.Remove(topStory);
db.SaveChanges();
return(Ok(topStory));
}
public TopStoryViewModel(TopStory story, INavigationService navigationService)
{
this.story = story;
this.navigationService = navigationService;
}
