osu/osu.Game/Beatmaps/BeatmapMetadataInfoExtensio...

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// Copyright (c) ppy Pty Ltd <contact@ppy.sh>. Licensed under the MIT Licence.
// See the LICENCE file in the repository root for full licence text.
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using System.Collections.Generic;
using osu.Framework.Localisation;
namespace osu.Game.Beatmaps
{
public static class BeatmapMetadataInfoExtensions
{
/// <summary>
/// An array of all searchable terms provided in contained metadata.
/// </summary>
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public static string[] GetSearchableTerms(this IBeatmapMetadataInfo metadataInfo)
{
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var termsList = new List<string>(MAX_SEARCHABLE_TERM_COUNT);
CollectSearchableTerms(metadataInfo, termsList);
return termsList.ToArray();
}
internal const int MAX_SEARCHABLE_TERM_COUNT = 7;
internal static void CollectSearchableTerms(IBeatmapMetadataInfo metadataInfo, IList<string> termsList)
{
addIfNotNull(metadataInfo.Author.Username);
addIfNotNull(metadataInfo.Artist);
addIfNotNull(metadataInfo.ArtistUnicode);
addIfNotNull(metadataInfo.Title);
addIfNotNull(metadataInfo.TitleUnicode);
addIfNotNull(metadataInfo.Source);
addIfNotNull(metadataInfo.Tags);
void addIfNotNull(string s)
{
if (!string.IsNullOrEmpty(s))
termsList.Add(s);
}
}
/// <summary>
/// A user-presentable display title representing this metadata.
/// </summary>
public static string GetDisplayTitle(this IBeatmapMetadataInfo metadataInfo)
{
string author = string.IsNullOrEmpty(metadataInfo.Author.Username) ? string.Empty : $" ({metadataInfo.Author.Username})";
string artist = string.IsNullOrEmpty(metadataInfo.Artist) ? "unknown artist" : metadataInfo.Artist;
string title = string.IsNullOrEmpty(metadataInfo.Title) ? "unknown title" : metadataInfo.Title;
return $"{artist} - {title}{author}".Trim();
}
/// <summary>
/// A user-presentable display title representing this beatmap, with localisation handling for potentially romanisable fields.
/// </summary>
public static RomanisableString GetDisplayTitleRomanisable(this IBeatmapMetadataInfo metadataInfo, bool includeCreator = true)
{
string author = !includeCreator || string.IsNullOrEmpty(metadataInfo.Author.Username) ? string.Empty : $"({metadataInfo.Author.Username})";
string artistUnicode = string.IsNullOrEmpty(metadataInfo.ArtistUnicode) ? metadataInfo.Artist : metadataInfo.ArtistUnicode;
string titleUnicode = string.IsNullOrEmpty(metadataInfo.TitleUnicode) ? metadataInfo.Title : metadataInfo.TitleUnicode;
return new RomanisableString($"{artistUnicode} - {titleUnicode} {author}".Trim(), $"{metadataInfo.Artist} - {metadataInfo.Title} {author}".Trim());
}
}
}