osu/osu.Game/Rulesets/Edit/Checks/CheckFilePresence.cs

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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.
using System.Collections.Generic;
using osu.Game.Beatmaps;
using osu.Game.Rulesets.Edit.Checks.Components;
namespace osu.Game.Rulesets.Edit.Checks
{
public abstract class CheckFilePresence : ICheck
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{
protected abstract CheckCategory Category { get; }
protected abstract string TypeOfFile { get; }
protected abstract string GetFilename(IBeatmap beatmap);
public CheckMetadata Metadata => new CheckMetadata(Category, $"Missing {TypeOfFile}");
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public IEnumerable<IssueTemplate> PossibleTemplates => new IssueTemplate[]
{
new IssueTemplateNoneSet(this),
new IssueTemplateDoesNotExist(this)
};
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public IEnumerable<Issue> Run(BeatmapVerifierContext context)
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{
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var filename = GetFilename(context.Beatmap);
if (filename == null)
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{
yield return new IssueTemplateNoneSet(this).Create(TypeOfFile);
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yield break;
}
// If the file is set, also make sure it still exists.
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var storagePath = context.Beatmap.BeatmapInfo.BeatmapSet.GetPathForFile(filename);
if (storagePath != null)
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yield break;
yield return new IssueTemplateDoesNotExist(this).Create(TypeOfFile, filename);
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}
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public class IssueTemplateNoneSet : IssueTemplate
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{
public IssueTemplateNoneSet(ICheck check)
: base(check, IssueType.Problem, "No {0} has been set.")
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{
}
public Issue Create(string typeOfFile) => new Issue(this, typeOfFile);
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}
public class IssueTemplateDoesNotExist : IssueTemplate
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{
public IssueTemplateDoesNotExist(ICheck check)
: base(check, IssueType.Problem, "The {0} file \"{1}\" does not exist.")
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{
}
public Issue Create(string typeOfFile, string filename) => new Issue(this, typeOfFile, filename);
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}
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}
}