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Fix an edge case bug where cache directory can get stuck existing but empty, preventing reading.

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This commit is contained in:
Joseph Milazzo 2025-04-25 09:44:10 -05:00
parent 0ea1116d1d
commit b6e9cca0a3
1 changed files with 11 additions and 5 deletions
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16
API/Services/CacheService.cs
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@ -80,7 +80,6 @@ public class CacheService : ICacheService
/// <returns></returns>
public IEnumerable<FileDimensionDto> GetCachedFileDimensions(string cachePath)
{
var sw = Stopwatch.StartNew();
var files = _directoryService.GetFilesWithExtension(cachePath, Tasks.Scanner.Parser.Parser.ImageFileExtensions)
.OrderByNatural(Path.GetFileNameWithoutExtension)
.ToArray();
@ -186,8 +185,15 @@ public class CacheService : ICacheService
}
else
{
// Potential BUG: If the folder is left here and there are no files within, this could theoretically return without proper cache
return chapter;
// Do an explicit check for files since rarely a "permission denied" error on deleting
// the file can occur, thus leaving an empty folder and we would never re-cache the files.
if (_directoryService.GetFiles(extractPath).Any())
{
return chapter;
}
// Delete the extractPath as ExtractArchive will return if the directory already exists
_directoryService.ClearAndDeleteDirectory(extractPath);
}
}
@ -210,13 +216,13 @@ public class CacheService : ICacheService
/// <returns></returns>
public void ExtractChapterFiles(string extractPath, IReadOnlyList<MangaFile>? files, bool extractPdfImages = false)
{
if (files == null) return;
if (files == null || files.Count == 0) return;
var removeNonImages = true;
var fileCount = files.Count;
var extraPath = string.Empty;
var extractDi = _directoryService.FileSystem.DirectoryInfo.New(extractPath);
if (files.Count > 0 && files[0].Format == MangaFormat.Image)
if (files[0].Format == MangaFormat.Image)
{
// Check if all the files are Images. If so, do a directory copy, else do the normal copy
if (files.All(f => f.Format == MangaFormat.Image))