void StartAddWeights(postsPost post, int weight)
{
var worker = InitializeAddWeightsWorker(post, weight);
worker.RunWorkerAsync();
}
BackgroundWorker InitializeAddWeightsWorker(postsPost post, int weight)
{
ButtonsAvailable = false;
BackgroundWorker worker = new BackgroundWorker();
worker.DoWork += (sender, e) => { AddWeights(post, weight); };
worker.RunWorkerCompleted += (sender, e) => { AddWeightsCompleted(post.id); };
return worker;
}
public void LoadTags(postsPost post)
{
StatusString = "Loading tag info for post " + post.id + "...";
string sURL;
sURL = " https://e621.net/post/tags.xml?id=" + post.id;
WebRequest wrGETURL;
wrGETURL = WebRequest.Create(sURL);
wrGETURL.Proxy = myProxy;
Stream objStream;
objStream = wrGETURL.GetResponse().GetResponseStream();
StreamReader objReader = new StreamReader(objStream);
TagsForDisplay.Clear();
try
{
var serializer = new XmlSerializer(typeof(tags));
tags result = (tags)serializer.Deserialize(objReader);
foreach (var tag in result.tag)
{
Tag currentTag;
if (tagList.Tags.Any(t => t.Name == tag.name))
{
currentTag = tagList.Tags.First(t => t.Name == tag.name);
currentTag.Count = Int32.Parse(tag.count);
}
else
{
currentTag = new Tag { Name = tag.name, Count = Int32.Parse(tag.count) };
tagList.Tags.Add(currentTag);
}
TagsForDisplay.Add(currentTag);
}
TagsForDisplay = new ObservableCollection<Tag>(TagsForDisplay.OrderByDescending(t => t.Weight));
}
catch
{
StatusString = "Failed to read tags for post " + post.id;
}
}
public void LoadImage(postsPost post)
{
string path = "temp\\" + post.id + "." + post.file_ext;
using (var client = new WebClient())
{
client.Proxy = myProxy;
//Console.WriteLine("Downloading " + post.file_url + "...");
StatusString = "Downloading " + post.file_url + "..." + " ("
+ Math.Round((Double.Parse(post.file_size) / (double)1024), 0) + " KB)";
client.DownloadFile(post.file_url, path);
StatusString = "File " + post.file_url + " was successfully downloaded.";
}
}
public void BeforeAnswer()
{
i++;
var orderedPosts = posts.Where(p => !viewedPosts.Contains(p.id)).OrderByDescending(p => CalculateWeigth(p.tags.Split(' ')));
post = orderedPosts.First();
LoadTags(post);
PostTagWeight = CalculateWeigth(post.tags.Split(' '));
PostTagCount = post.tags.Split(' ').Count();
var worker = InitializeLoadImageWorker();
worker.RunWorkerAsync();
}
public void AddWeights(postsPost post, int weight)
{
foreach (var currentTag in TagsForDisplay)
{
if (weight != 0)
{
double relativeWeight = weight;
//weight addition depends on how rare the tag is
var sqrt = Math.Pow((double)currentTag.Count / (double)postCount, 1.0 / 3.0);
relativeWeight = weight / sqrt;
//weight addition depends on how much negative/positive weight is already accumulated
if (currentTag.Weight != 0)
{
var i = 1 - Math.Abs((double)relativeWeight / (double)currentTag.Weight);
if (i > 0)
{
if ((relativeWeight < 0) == (currentTag.Weight < 0))
{
relativeWeight = relativeWeight + relativeWeight * (Math.Pow(i, 3) * (1 / sqrt));
}
//else
//{
// relativeWeight = relativeWeight - relativeWeight * (Math.Pow(i, 3) * (1 / sqrt));
//}
}
}
currentTag.Weight += relativeWeight;
}
}
}
