49 lines
1.3 KiB
C#
49 lines
1.3 KiB
C#
using System;
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using System.IO;
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using System.Threading;
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using MareSynchronos.FileCacheDB;
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using MareSynchronos.Utils;
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namespace MareSynchronos.Factories
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{
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public class FileCacheFactory
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{
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public FileCache Create(string file)
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{
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FileInfo fileInfo = new(file);
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if (IsFileLocked(fileInfo))
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{
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throw new FileLoadException();
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}
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var sha1Hash = Crypto.GetFileHash(fileInfo.FullName);
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return new FileCache()
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{
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Filepath = fileInfo.FullName,
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Hash = sha1Hash,
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LastModifiedDate = fileInfo.LastWriteTimeUtc.Ticks.ToString(),
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};
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}
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public void UpdateFileCache(FileCache cache)
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{
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FileInfo fileInfo = new(cache.Filepath);
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cache.Hash = Crypto.GetFileHash(cache.Filepath);
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cache.LastModifiedDate = fileInfo.LastWriteTimeUtc.Ticks.ToString();
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}
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private bool IsFileLocked(FileInfo file)
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{
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try
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{
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using var fs = file.Open(FileMode.Open, FileAccess.ReadWrite, FileShare.None);
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}
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catch
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{
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return true;
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}
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return false;
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}
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}
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}
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