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154 lines
6.8 KiB
C#
154 lines
6.8 KiB
C#
// Copyright (c) ppy Pty Ltd <contact@ppy.sh>. Licensed under the MIT Licence.
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// See the LICENCE file in the repository root for full licence text.
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using System.IO;
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using System.Linq;
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using osu.Game.Beatmaps;
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using osu.Game.Database;
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using osu.Game.IO;
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using osu.Game.Online.API.Requests.Responses;
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using osu.Game.Rulesets;
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using osu.Game.Scoring;
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using osu.Game.Users;
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#nullable enable
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namespace osu.Game.Extensions
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{
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public static class ModelExtensions
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{
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/// <summary>
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/// Get the relative path in osu! storage for this file.
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/// </summary>
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/// <param name="fileInfo">The file info.</param>
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/// <returns>A relative file path.</returns>
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public static string GetStoragePath(this IFileInfo fileInfo) => Path.Combine(fileInfo.Hash.Remove(1), fileInfo.Hash.Remove(2), fileInfo.Hash);
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/// <summary>
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/// Returns a user-facing string representing the <paramref name="model"/>.
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/// </summary>
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/// <remarks>
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/// <para>
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/// Non-interface types without special handling will fall back to <see cref="object.ToString()"/>.
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/// </para>
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/// <para>
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/// Warning: This method is _purposefully_ not called <c>GetDisplayTitle()</c> like the others, because otherwise
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/// extension method type inference rules cause this method to call itself and cause a stack overflow.
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/// </para>
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/// </remarks>
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public static string GetDisplayString(this object? model)
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{
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string? result = null;
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switch (model)
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{
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case IBeatmapSetInfo beatmapSetInfo:
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result = beatmapSetInfo.Metadata.GetDisplayTitle();
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break;
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case IBeatmapInfo beatmapInfo:
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result = beatmapInfo.GetDisplayTitle();
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break;
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case IBeatmapMetadataInfo metadataInfo:
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result = metadataInfo.GetDisplayTitle();
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break;
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case IScoreInfo scoreInfo:
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result = scoreInfo.GetDisplayTitle();
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break;
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case IRulesetInfo rulesetInfo:
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result = rulesetInfo.Name;
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break;
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case IUser user:
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result = user.Username;
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break;
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}
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// fallback in case none of the above happens to match.
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result ??= model?.ToString() ?? @"null";
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return result;
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}
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/// <summary>
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/// Check whether the online ID of two <see cref="IBeatmapSetInfo"/>s match.
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/// </summary>
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/// <param name="instance">The instance to compare.</param>
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/// <param name="other">The other instance to compare against.</param>
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/// <returns>Whether online IDs match. If either instance is missing an online ID, this will return false.</returns>
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public static bool MatchesOnlineID(this IBeatmapSetInfo? instance, IBeatmapSetInfo? other) => matchesOnlineID(instance, other);
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/// <summary>
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/// Check whether the online ID of two <see cref="IBeatmapInfo"/>s match.
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/// </summary>
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/// <param name="instance">The instance to compare.</param>
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/// <param name="other">The other instance to compare against.</param>
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/// <returns>Whether online IDs match. If either instance is missing an online ID, this will return false.</returns>
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public static bool MatchesOnlineID(this IBeatmapInfo? instance, IBeatmapInfo? other) => matchesOnlineID(instance, other);
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/// <summary>
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/// Check whether the online ID of two <see cref="IRulesetInfo"/>s match.
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/// </summary>
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/// <param name="instance">The instance to compare.</param>
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/// <param name="other">The other instance to compare against.</param>
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/// <returns>Whether online IDs match. If either instance is missing an online ID, this will return false.</returns>
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public static bool MatchesOnlineID(this IRulesetInfo? instance, IRulesetInfo? other) => matchesOnlineID(instance, other);
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/// <summary>
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/// Check whether the online ID of two <see cref="APIUser"/>s match.
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/// </summary>
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/// <param name="instance">The instance to compare.</param>
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/// <param name="other">The other instance to compare against.</param>
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/// <returns>Whether online IDs match. If either instance is missing an online ID, this will return false.</returns>
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public static bool MatchesOnlineID(this APIUser? instance, APIUser? other) => matchesOnlineID(instance, other);
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/// <summary>
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/// Check whether the online ID of two <see cref="IScoreInfo"/>s match.
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/// </summary>
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/// <param name="instance">The instance to compare.</param>
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/// <param name="other">The other instance to compare against.</param>
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/// <returns>Whether online IDs match. If either instance is missing an online ID, this will return false.</returns>
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public static bool MatchesOnlineID(this IScoreInfo? instance, IScoreInfo? other) => matchesOnlineID(instance, other);
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private static bool matchesOnlineID(this IHasOnlineID<long>? instance, IHasOnlineID<long>? other)
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{
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if (instance == null || other == null)
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return false;
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if (instance.OnlineID < 0 || other.OnlineID < 0)
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return false;
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return instance.OnlineID.Equals(other.OnlineID);
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}
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private static bool matchesOnlineID(this IHasOnlineID<int>? instance, IHasOnlineID<int>? other)
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{
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if (instance == null || other == null)
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return false;
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if (instance.OnlineID < 0 || other.OnlineID < 0)
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return false;
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return instance.OnlineID.Equals(other.OnlineID);
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}
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private static readonly char[] invalid_filename_characters = Path.GetInvalidFileNameChars()
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// Backslash is added to avoid issues when exporting to zip.
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// See SharpCompress filename normalisation https://github.com/adamhathcock/sharpcompress/blob/a1e7c0068db814c9aa78d86a94ccd1c761af74bd/src/SharpCompress/Writers/Zip/ZipWriter.cs#L143.
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.Append('\\')
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.ToArray();
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/// <summary>
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/// Get a valid filename for use inside a zip file. Avoids backslashes being incorrectly converted to directories.
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/// </summary>
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public static string GetValidArchiveContentFilename(this string filename)
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{
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foreach (char c in invalid_filename_characters)
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filename = filename.Replace(c, '_');
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return filename;
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}
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}
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}
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