mirror of
https://github.com/Prowlarr/Prowlarr.git
synced 2026-04-22 22:34:53 -04:00
Qstick
474 lines
23 KiB
C#
474 lines
23 KiB
C#
using System;
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using System.Collections.Generic;
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using System.Linq;
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using System.Net;
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using System.Text.RegularExpressions;
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using AngleSharp.Dom;
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using AngleSharp.Html.Parser;
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using NLog;
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using NzbDrone.Common.Extensions;
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using NzbDrone.Core.Configuration;
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using NzbDrone.Core.Indexers.Exceptions;
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using NzbDrone.Core.Parser;
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using NzbDrone.Core.Parser.Model;
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namespace NzbDrone.Core.Indexers.Cardigann
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{
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public class CardigannParser : CardigannBase, IParseIndexerResponse
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{
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public Action<IDictionary<string, string>, DateTime?> CookiesUpdater { get; set; }
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protected override string SiteLink => Settings?.BaseUrl ?? _definition.Links.First();
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public CardigannParser(IConfigService configService,
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CardigannDefinition definition,
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Logger logger)
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: base(configService, definition, logger)
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{
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}
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public IList<ReleaseInfo> ParseResponse(IndexerResponse indexerResponse)
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{
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var releases = new List<ReleaseInfo>();
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_logger.Debug("Parsing");
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var indexerLogging = _configService.LogIndexerResponse;
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if (indexerResponse.HttpResponse.StatusCode != HttpStatusCode.OK)
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{
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// Remove cookie cache
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if (indexerResponse.HttpResponse.HasHttpRedirect && indexerResponse.HttpResponse.RedirectUrl
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.ContainsIgnoreCase("login.php"))
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{
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CookiesUpdater(null, null);
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throw new IndexerException(indexerResponse, "We are being redirected to the login page. Most likely your session expired or was killed. Try testing the indexer in the settings.");
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}
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throw new IndexerException(indexerResponse, $"Unexpected response status {indexerResponse.HttpResponse.StatusCode} code from API request");
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}
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var results = indexerResponse.Content;
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var request = indexerResponse.Request as CardigannRequest;
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var variables = request.Variables;
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var search = _definition.Search;
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var searchUrlUri = new Uri(request.Url.FullUri);
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try
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{
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var searchResultParser = new HtmlParser();
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var searchResultDocument = searchResultParser.ParseDocument(results);
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/* checkForError(response, Definition.Search.Error); */
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if (search.Preprocessingfilters != null)
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{
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results = ApplyFilters(results, search.Preprocessingfilters, variables);
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searchResultDocument = searchResultParser.ParseDocument(results);
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_logger.Trace(string.Format("CardigannIndexer ({0}): result after preprocessingfilters: {1}", _definition.Id, results));
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}
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var rowsSelector = ApplyGoTemplateText(search.Rows.Selector, variables);
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var rowsDom = searchResultDocument.QuerySelectorAll(rowsSelector);
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var rows = new List<IElement>();
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foreach (var rowDom in rowsDom)
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{
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rows.Add(rowDom);
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}
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// merge following rows for After selector
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var after = search.Rows.After;
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if (after > 0)
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{
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for (var i = 0; i < rows.Count; i += 1)
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{
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var currentRow = rows[i];
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for (var j = 0; j < after; j += 1)
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{
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var mergeRowIndex = i + j + 1;
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var mergeRow = rows[mergeRowIndex];
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var mergeNodes = new List<INode>();
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foreach (var node in mergeRow.ChildNodes)
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{
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mergeNodes.Add(node);
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}
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currentRow.Append(mergeNodes.ToArray());
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}
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rows.RemoveRange(i + 1, after);
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}
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}
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foreach (var row in rows)
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{
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try
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{
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var release = new TorrentInfo();
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// Parse fields
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foreach (var field in search.Fields)
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{
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var fieldParts = field.Key.Split('|');
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var fieldName = fieldParts[0];
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var fieldModifiers = new List<string>();
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for (var i = 1; i < fieldParts.Length; i++)
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{
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fieldModifiers.Add(fieldParts[i]);
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}
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string value = null;
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var variablesKey = ".Result." + fieldName;
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try
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{
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value = HandleSelector(field.Value, row, variables);
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switch (fieldName)
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{
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case "download":
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if (string.IsNullOrEmpty(value))
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{
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value = null;
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release.DownloadUrl = null;
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break;
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}
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if (value.StartsWith("magnet:"))
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{
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release.MagnetUrl = value;
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value = release.MagnetUrl;
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}
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else
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{
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release.DownloadUrl = ResolvePath(value, searchUrlUri).AbsoluteUri;
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value = release.DownloadUrl;
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}
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break;
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case "magnet":
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var magnetUri = value;
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release.MagnetUrl = magnetUri;
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value = magnetUri.ToString();
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break;
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case "infohash":
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release.InfoHash = value;
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break;
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case "details":
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var url = ResolvePath(value, searchUrlUri)?.AbsoluteUri;
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release.InfoUrl = url;
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release.Guid = url;
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value = url.ToString();
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break;
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case "comments":
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var commentsUrl = ResolvePath(value, searchUrlUri);
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if (release.CommentUrl == null)
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{
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release.CommentUrl = commentsUrl.AbsoluteUri;
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}
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value = commentsUrl.ToString();
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break;
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case "title":
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if (fieldModifiers.Contains("append"))
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{
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release.Title += value;
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}
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else
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{
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release.Title = value;
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}
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value = release.Title;
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break;
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case "description":
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if (fieldModifiers.Contains("append"))
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{
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release.Description += value;
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}
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else
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{
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release.Description = value;
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}
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value = release.Description;
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break;
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case "category":
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var cats = MapTrackerCatToNewznab(value);
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if (cats.Any())
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{
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if (release.Categories == null || fieldModifiers.Contains("noappend"))
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{
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release.Categories = cats;
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}
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else
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{
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release.Categories = release.Categories.Union(cats).ToList();
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}
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}
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value = release.Categories.ToString();
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break;
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case "size":
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release.Size = ParseUtil.GetBytes(value);
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value = release.Size.ToString();
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break;
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case "leechers":
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var leechers = ParseUtil.CoerceLong(value);
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leechers = leechers < 5000000L ? leechers : 0; // to fix #6558
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if (release.Peers == null)
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{
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release.Peers = (int)leechers;
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}
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else
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{
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release.Peers += (int)leechers;
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}
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value = leechers.ToString();
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break;
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case "seeders":
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release.Seeders = ParseUtil.CoerceInt(value);
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release.Seeders = release.Seeders < 5000000L ? release.Seeders : 0; // to fix #6558
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if (release.Peers == null)
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{
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release.Peers = release.Seeders;
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}
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else
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{
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release.Peers += release.Seeders;
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}
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value = release.Seeders.ToString();
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break;
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case "date":
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release.PublishDate = DateTimeUtil.FromUnknown(value);
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value = release.PublishDate.ToString(DateTimeUtil.Rfc1123ZPattern);
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break;
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case "files":
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release.Files = ParseUtil.CoerceInt(value);
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value = release.Files.ToString();
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break;
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case "grabs":
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release.Grabs = ParseUtil.CoerceInt(value);
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value = release.Grabs.ToString();
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break;
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case "downloadvolumefactor":
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release.DownloadVolumeFactor = ParseUtil.CoerceDouble(value);
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value = release.DownloadVolumeFactor.ToString();
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break;
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case "uploadvolumefactor":
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release.UploadVolumeFactor = ParseUtil.CoerceDouble(value);
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value = release.UploadVolumeFactor.ToString();
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break;
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case "minimumratio":
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release.MinimumRatio = ParseUtil.CoerceDouble(value);
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value = release.MinimumRatio.ToString();
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break;
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case "minimumseedtime":
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release.MinimumSeedTime = ParseUtil.CoerceLong(value);
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value = release.MinimumSeedTime.ToString();
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break;
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case "imdb":
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release.ImdbId = (int)ParseUtil.GetLongFromString(value);
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value = release.ImdbId.ToString();
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break;
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case "tmdbid":
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var tmdbIDRegEx = new Regex(@"(\d+)", RegexOptions.Compiled);
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var tmdbIDMatch = tmdbIDRegEx.Match(value);
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var tmdbID = tmdbIDMatch.Groups[1].Value;
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release.TmdbId = (int)ParseUtil.CoerceLong(tmdbID);
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value = release.TmdbId.ToString();
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break;
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case "rageid":
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var rageIDRegEx = new Regex(@"(\d+)", RegexOptions.Compiled);
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var rageIDMatch = rageIDRegEx.Match(value);
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var rageID = rageIDMatch.Groups[1].Value;
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release.TvRageId = (int)ParseUtil.CoerceLong(rageID);
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value = release.TvRageId.ToString();
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break;
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case "tvdbid":
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var tvdbIdRegEx = new Regex(@"(\d+)", RegexOptions.Compiled);
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var tvdbIdMatch = tvdbIdRegEx.Match(value);
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var tvdbId = tvdbIdMatch.Groups[1].Value;
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release.TvdbId = (int)ParseUtil.CoerceLong(tvdbId);
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value = release.TvdbId.ToString();
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break;
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case "poster":
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if (!string.IsNullOrWhiteSpace(value))
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{
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var poster = ResolvePath(value, searchUrlUri);
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release.PosterUrl = poster.AbsoluteUri;
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}
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value = release.PosterUrl;
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break;
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//case "author":
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// release.Author = value;
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// break;
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//case "booktitle":
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// release.BookTitle = value;
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// break;
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default:
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break;
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}
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variables[variablesKey] = value;
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}
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catch (Exception ex)
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{
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if (!variables.ContainsKey(variablesKey))
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{
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variables[variablesKey] = null;
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}
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if (OptionalFields.Contains(field.Key) || fieldModifiers.Contains("optional") || field.Value.Optional)
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{
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variables[variablesKey] = null;
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continue;
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}
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if (indexerLogging)
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{
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_logger.Trace("Error while parsing field={0}, selector={1}, value={2}: {3}", field.Key, field.Value.Selector, value == null ? "<null>" : value, ex.Message);
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}
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}
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}
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var filters = search.Rows.Filters;
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var skipRelease = false;
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if (filters != null)
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{
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foreach (var filter in filters)
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{
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switch (filter.Name)
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{
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case "andmatch":
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var characterLimit = -1;
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if (filter.Args != null)
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{
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characterLimit = int.Parse(filter.Args);
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}
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/*
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if (query.ImdbID != null && TorznabCaps.SupportsImdbMovieSearch)
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{
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break; // skip andmatch filter for imdb searches
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}
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if (query.TmdbID != null && TorznabCaps.SupportsTmdbMovieSearch)
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{
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break; // skip andmatch filter for tmdb searches
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}
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if (query.TvdbID != null && TorznabCaps.SupportsTvdbSearch)
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{
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break; // skip andmatch filter for tvdb searches
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}
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var queryKeywords = variables[".Keywords"] as string;
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if (!query.MatchQueryStringAND(release.Title, characterLimit, queryKeywords))
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{
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_logger.Debug(string.Format("CardigannIndexer ({0}): skipping {1} (andmatch filter)", _definition.Id, release.Title));
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skipRelease = true;
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}
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*/
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break;
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case "strdump":
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// for debugging
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_logger.Debug(string.Format("CardigannIndexer ({0}): row strdump: {1}", _definition.Id, row.ToHtmlPretty()));
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break;
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default:
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_logger.Error(string.Format("CardigannIndexer ({0}): Unsupported rows filter: {1}", _definition.Id, filter.Name));
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break;
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}
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}
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}
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if (skipRelease)
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{
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continue;
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}
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// if DateHeaders is set go through the previous rows and look for the header selector
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var dateHeaders = _definition.Search.Rows.Dateheaders;
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if (release.PublishDate == DateTime.MinValue && dateHeaders != null)
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{
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var prevRow = row.PreviousElementSibling;
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string value = null;
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if (prevRow == null)
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{
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// continue with parent
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var parent = row.ParentElement;
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if (parent != null)
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{
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prevRow = parent.PreviousElementSibling;
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}
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}
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while (prevRow != null)
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{
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var curRow = prevRow;
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_logger.Debug(prevRow.OuterHtml);
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try
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{
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value = HandleSelector(dateHeaders, curRow);
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break;
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}
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catch (Exception)
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{
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// do nothing
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}
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prevRow = curRow.PreviousElementSibling;
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if (prevRow == null)
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{
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// continue with parent
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var parent = curRow.ParentElement;
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if (parent != null)
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{
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prevRow = parent.PreviousElementSibling;
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}
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}
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}
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if (value == null && dateHeaders.Optional == false)
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{
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throw new Exception(string.Format("No date header row found for {0}", release.ToString()));
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}
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if (value != null)
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{
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release.PublishDate = DateTimeUtil.FromUnknown(value);
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}
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}
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releases.Add(release);
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}
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catch (Exception ex)
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{
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_logger.Error(ex, "CardigannIndexer ({0}): Error while parsing row '{1}':\n\n{2}", _definition.Id, row.ToHtmlPretty());
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}
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}
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}
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catch (Exception)
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{
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// OnParseError(results, ex);
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throw;
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}
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/*
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if (query.Limit > 0)
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{
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releases = releases.Take(query.Limit).ToList();
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}*/
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_logger.Debug($"Got {releases.Count} releases");
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return releases;
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}
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}
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}
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