public override void RunAsync()
{
if (BackgroundWorker.IsBusy)
{
MessageBox.Show("Program is busy", "Download in progress", MessageBoxButtons.OK, MessageBoxIcon.Information);
return;
}
OnCoversDownloadStarted(new CoversDownloadStartedEventArgs(SearchResult /*pageIndices, galleryId*/));
DownloadCoversRunArg runArg = new DownloadCoversRunArg(HttpClient, PathFormatter, SearchResult, MetadataKeywordLists, Filters /*galleryId, pageIndices, SearchResultCache, GetCachedPageIndices*/);
BackgroundWorker.RunWorkerAsync(runArg);
}
private static void DownloadCoverBackgroundWorker_DoWork(object sender, DoWorkEventArgs e)
{
BackgroundWorker backgroundWorker = sender as BackgroundWorker;
DownloadCoversRunArg runArg = e.Argument as DownloadCoversRunArg;
SearchResult searchResult = runArg.SearchResult;
int maxCount = searchResult.Result.Count;
int loadCount = 0;
for (int i = 0; i < maxCount; ++i)
{
if (backgroundWorker.CancellationPending)
{
CoverDownloadCompletedArg cancelledArg = new CoverDownloadCompletedArg(/*loadCount, maxCount, cacheCount, metadata*/ searchResult);
e.Result = cancelledArg;
//e.Cancel = true;
return;
}
Metadata metadata = searchResult.Result[i];
string error = "";
string coverCachedFilePath;
if (runArg.PathFormatter != null && runArg.PathFormatter.IsEnabled)
{
coverCachedFilePath = runArg.PathFormatter.GetCover(metadata);
}
else
{
coverCachedFilePath = string.Format(CultureInfo.InvariantCulture, "{0}{1}{2}",
runArg.PathFormatter.GetCacheDirectory(), metadata.Id, metadata.Images.Cover.GetFileExtension());
}
bool shouldFilter = ShouldFilter(metadata, runArg.MetadataKeywordLists, runArg.Filters);
if (shouldFilter)
{
error = "SKIP";
}
else
{
++loadCount;
if (!File.Exists(coverCachedFilePath))
{
try
{
string uri = string.Format(CultureInfo.InvariantCulture, "https://t.nhentai.net/galleries/{0}/{1}{2}", metadata.MediaId, "cover", metadata.Images.Cover.GetFileExtension());
using (HttpResponseMessage response = Task.Run(() => runArg.HttpClient.GetAsync(uri, HttpCompletionOption.ResponseHeadersRead)).GetAwaiter().GetResult())
{
if (!response.IsSuccessStatusCode)
{
coverCachedFilePath = "";
response.EnsureSuccessStatusCode();
//error = string.Format(CultureInfo.InvariantCulture, "{0} ({1})", response.ReasonPhrase, response.StatusCode);
//continue;
}
else
{
try
{
byte[] imageData = Task.Run(() => response.Content.ReadAsByteArrayAsync()).GetAwaiter().GetResult();
Directory.CreateDirectory(Path.GetDirectoryName(coverCachedFilePath));
File.WriteAllBytes(coverCachedFilePath, imageData);
}
catch (Exception ex)
{
coverCachedFilePath = "";
error = ex.Message;
//continue;
}
}
}
}
catch (Exception ex)
{
coverCachedFilePath = "";
error = ex.Message;
//continue;
}
}
}
CoverDownloadProgressArg progressArg = new CoverDownloadProgressArg(searchResult, loadCount, metadata, coverCachedFilePath, error);
backgroundWorker.ReportProgress((int)(loadCount / (float)maxCount * 100), progressArg);
}
CoverDownloadCompletedArg completedArg = new CoverDownloadCompletedArg(/*loadCount, maxCount, cacheCount, */ searchResult);
e.Result = completedArg;
}
private static void DownloadCoverBackgroundWorker_DoWork(object sender, DoWorkEventArgs e)
{
BackgroundWorker backgroundWorker = sender as BackgroundWorker;
DownloadCoversRunArg runArg = e.Argument as DownloadCoversRunArg;
SearchResult searchResult = runArg.SearchResult;
int maxCount = searchResult.Result.Count;
int loadCount = 0;
for (int i = 0; i < maxCount; ++i)
{
if (backgroundWorker.CancellationPending)
{
CoverDownloadCompletedArg cancelledArg = new CoverDownloadCompletedArg(/*loadCount, maxCount, cacheCount, metadata*/ searchResult);
e.Result = cancelledArg;
//e.Cancel = true;
return;
}
Metadata metadata = searchResult.Result[i];
string error = "";
string coverCachedFilePath;
if (runArg.PathFormatter != null && runArg.PathFormatter.IsEnabled)
{
coverCachedFilePath = runArg.PathFormatter.GetCover(metadata);
}
else
{
coverCachedFilePath = string.Format(CultureInfo.InvariantCulture, "{0}{1}{2}",
runArg.PathFormatter.GetCacheDirectory(), metadata.Id, metadata.Images.Cover.GetFileExtension());
}
bool shouldFilter = ShouldFilter(metadata, runArg.MetadataKeywordLists, runArg.Filters);
if (shouldFilter)
{
error = "SKIP";
}
else
{
++loadCount;
if (!File.Exists(coverCachedFilePath))
{
try
{
var mediaServerId = -1;
{
var url = $"https://nhentai.net/g/{metadata.Id}/";
Program.Logger.LogLine($"Downloading gallery webpage {url}...");
using (var response = Task.Run(() => runArg.HttpClient?.GetAsync(url, HttpCompletionOption.ResponseHeadersRead)).GetAwaiter().GetResult())
{
if (!response.IsSuccessStatusCode)
{
Program.Logger.ErrorLine($"{response.ReasonPhrase} ({response.StatusCode})");
response.EnsureSuccessStatusCode();
}
else
{
var html = Task.Run(() => response.Content.ReadAsStringAsync()).GetAwaiter().GetResult();
var mediaServerIdRegExp = new Regex(@"media_server:\s*(\d+),");
var mediaServerIdMatch = mediaServerIdRegExp.Match(html);
if (!mediaServerIdMatch.Success)
{
throw new Exception("Could not find media server id.");
}
else
{
mediaServerId = int.Parse(mediaServerIdMatch.Groups[1].Value);
}
}
}
}
if (mediaServerId != -1)
{
string uri = string.Format(CultureInfo.InvariantCulture, "https://t{3}.nhentai.net/galleries/{0}/{1}{2}", metadata.MediaId, "cover", metadata.Images.Cover.GetFileExtension(), mediaServerId);
Program.Logger.LogLine($"Downloading cover image {uri}...");
using (HttpResponseMessage response = Task.Run(() => runArg.HttpClient?.GetAsync(uri, HttpCompletionOption.ResponseHeadersRead)).GetAwaiter().GetResult())
{
if (!response.IsSuccessStatusCode)
{
Program.Logger.ErrorLine($"{response.ReasonPhrase} ({response.StatusCode})");
response.EnsureSuccessStatusCode();
}
else
{
byte[] imageData = Task.Run(() => response.Content.ReadAsByteArrayAsync()).GetAwaiter().GetResult();
Directory.CreateDirectory(Path.GetDirectoryName(coverCachedFilePath));
File.WriteAllBytes(coverCachedFilePath, imageData);
}
}
}
}
catch (Exception ex)
{
//coverCachedFilePath = "";
error = ex.Message;
Program.Logger.ErrorLine(ex.ToString());
}
}
}
CoverDownloadProgressArg progressArg = new CoverDownloadProgressArg(searchResult, loadCount, metadata, coverCachedFilePath, error);
backgroundWorker.ReportProgress((int)(loadCount / (float)maxCount * 100), progressArg);
}
CoverDownloadCompletedArg completedArg = new CoverDownloadCompletedArg(/*loadCount, maxCount, cacheCount, */ searchResult);
e.Result = completedArg;
}