jellyfin-server/MediaBrowser.Server.Implementations/FileOrganization/NameUtils.cs
2015-01-17 15:12:02 -05:00

100 lines
3.2 KiB
C#

using MediaBrowser.Model.Extensions;
using MediaBrowser.Controller.Entities;
using System;
using System.Globalization;
using System.Linq;
using System.Text;
namespace MediaBrowser.Server.Implementations.FileOrganization
{
public static class NameUtils
{
private static readonly CultureInfo UsCulture = new CultureInfo("en-US");
internal static Tuple<T, int> GetMatchScore<T>(string sortedName, int? year, T series)
where T : BaseItem
{
var score = 0;
var seriesNameWithoutYear = series.Name;
if (series.ProductionYear.HasValue)
{
seriesNameWithoutYear = seriesNameWithoutYear.Replace(series.ProductionYear.Value.ToString(UsCulture), String.Empty);
}
if (IsNameMatch(sortedName, seriesNameWithoutYear))
{
score++;
if (year.HasValue && series.ProductionYear.HasValue)
{
if (year.Value == series.ProductionYear.Value)
{
score++;
}
else
{
// Regardless of name, return a 0 score if the years don't match
return new Tuple<T, int>(series, 0);
}
}
}
return new Tuple<T, int>(series, score);
}
private static bool IsNameMatch(string name1, string name2)
{
name1 = GetComparableName(name1);
name2 = GetComparableName(name2);
return String.Equals(name1, name2, StringComparison.OrdinalIgnoreCase);
}
private static string GetComparableName(string name)
{
// TODO: Improve this - should ignore spaces, periods, underscores, most likely all symbols and
// possibly remove sorting words like "the", "and", etc.
name = RemoveDiacritics(name);
name = " " + name + " ";
name = name.Replace(".", " ")
.Replace("_", " ")
.Replace(" and ", " ")
.Replace(".and.", " ")
.Replace("&", " ")
.Replace("!", " ")
.Replace("(", " ")
.Replace(")", " ")
.Replace(":", " ")
.Replace(",", " ")
.Replace("-", " ")
.Replace("'", " ")
.Replace("[", " ")
.Replace("]", " ")
.Replace(" a ", String.Empty, StringComparison.OrdinalIgnoreCase)
.Replace(" the ", String.Empty, StringComparison.OrdinalIgnoreCase)
.Replace(" ", String.Empty);
return name.Trim();
}
/// <summary>
/// Removes the diacritics.
/// </summary>
/// <param name="text">The text.</param>
/// <returns>System.String.</returns>
private static string RemoveDiacritics(string text)
{
return String.Concat(
text.Normalize(NormalizationForm.FormD)
.Where(ch => CharUnicodeInfo.GetUnicodeCategory(ch) !=
UnicodeCategory.NonSpacingMark)
).Normalize(NormalizationForm.FormC);
}
}
}