35 lines
1.0 KiB
C#
35 lines
1.0 KiB
C#
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using System.IO;
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namespace CloudPrint.Client.Services;
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public static class PathHelper
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{
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public static string CreateUniqueFilePath(string directory, string fileName)
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{
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Directory.CreateDirectory(directory);
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var safeFileName = SanitizeFileName(string.IsNullOrWhiteSpace(fileName) ? "untitled" : fileName);
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var name = Path.GetFileNameWithoutExtension(safeFileName);
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var extension = Path.GetExtension(safeFileName);
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var candidate = Path.Combine(directory, safeFileName);
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var index = 1;
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while (File.Exists(candidate))
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{
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candidate = Path.Combine(directory, $"{name}_{index++}{extension}");
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}
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return candidate;
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}
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public static string SanitizePathSegment(string value)
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{
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var invalidChars = Path.GetInvalidFileNameChars();
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return new string(value.Select(ch => invalidChars.Contains(ch) ? '_' : ch).ToArray());
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}
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private static string SanitizeFileName(string fileName)
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{
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return SanitizePathSegment(fileName);
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}
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}
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