public static Guid StringToGuid(string guid)
{
if (DatabaseLanguageIsMsSql.Value)
{
return(Guid.Parse(guid));
}
else if (DatabaseLanguageIsOracle.Value)
{
return(new Guid(CsUtility.HexToByteArray(guid)));
}
else
{
throw new FrameworkException(UnsupportedLanguageError);
}
}
private ValueOrError <List <string> > ListCachedFiles(string fileGroupName, byte[] sourceHash, IEnumerable <string> requestedExtensions)
{
var cachedFilesByExt = ListCachedFiles()
.GetValueOrDefault(fileGroupName)
?.ToDictionary(file => Path.GetExtension(file));
if (cachedFilesByExt == null)
{
return(ValueOrError.CreateError("File group not cached."));
}
string cachedHashFile = cachedFilesByExt.GetValueOrDefault(".hash");
if (cachedHashFile == null)
{
return(ValueOrError.CreateError("Missing hash file."));
}
byte[] cachedHash = CsUtility.HexToByteArray(File.ReadAllText(cachedHashFile, Encoding.Default));
if (cachedHash == null || cachedHash.Length == 0)
{
return(ValueOrError.CreateError("Missing hash value."));
}
if (!sourceHash.SequenceEqual(cachedHash))
{
return(ValueOrError.CreateError("Different hash value."));
}
var requestedFiles = new List <string>(requestedExtensions.Count());
foreach (var extension in requestedExtensions)
{
string cachedFile = cachedFilesByExt.GetValueOrDefault(extension);
if (cachedFile == null)
{
return(ValueOrError.CreateError($"Extension '{extension}' not in cache."));
}
requestedFiles.Add(cachedFile);
}
return(requestedFiles);
}
/// <param name="sampleSourceFile">Any file from the cached file group, extension will be ignored.</param>
public byte[] LoadHash(string sampleSourceFile)
{
string hashFile = Path.GetFullPath(Path.ChangeExtension(sampleSourceFile, ".hash"));
return(CsUtility.HexToByteArray(File.ReadAllText(hashFile, Encoding.Default)));
}