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Radarr/NzbDrone.Core/Indexers/XElementExtensions.cs

69 lines
2.1 KiB

using System;
using System.Collections.Generic;
using System.Globalization;
using System.Linq;
using System.Text.RegularExpressions;
using System.Xml.Linq;
using NLog;
namespace NzbDrone.Core.Indexers
{
public static class XElementExtensions
{
private static readonly Logger Logger = LogManager.GetCurrentClassLogger();
private static readonly Regex RemoveTimeZoneRegex = new Regex(@"\s[A-Z]{2,4}$", RegexOptions.Compiled);
public static string Title(this XElement item)
{
return item.TryGetValue("title", "Unknown");
}
public static DateTime PublishDate(this XElement item)
{
string dateString = item.TryGetValue("pubDate");
try
{
DateTime result;
if (!DateTime.TryParse(dateString, DateTimeFormatInfo.InvariantInfo, DateTimeStyles.AdjustToUniversal, out result))
{
dateString = RemoveTimeZoneRegex.Replace(dateString, "");
result = DateTime.Parse(dateString, DateTimeFormatInfo.InvariantInfo, DateTimeStyles.AdjustToUniversal);
}
return result.ToUniversalTime();
}
catch (FormatException e)
{
Logger.WarnException("Unable to parse " + dateString, e);
throw;
}
}
public static List<String> Links(this XElement item)
{
var elements = item.Elements("link");
return elements.Select(link => link.Value).ToList();
}
public static string Description(this XElement item)
{
return item.TryGetValue("description");
}
public static string Comments(this XElement item)
{
return item.TryGetValue("comments");
}
private static string TryGetValue(this XElement item, string elementName, string defaultValue = "")
{
var element = item.Element(elementName);
return element != null ? element.Value : defaultValue;
}
}
}