public void CalculateValueHash()
{
using var ms = new MemoryStream();
using var writer = new BinaryWriter(ms, Encoding.UTF8, true);
writer.Write(Id.ToByteArray());
writer.Write(No);
writer.Write(Description);
writer.Write(Details);
writer.Write(MoreInfo);
writer.Write(AddedToRoadmap.ToBinary());
writer.Write(LastModified.ToBinary());
writer.Write(Release);
writer.Write((int)EditType);
writer.Write((int)Status);
foreach (var featureTag in FeatureTags.OrderBy(x => x.Tag.Category).ThenBy(x => x.Tag.Name))
{
writer.Write((int)featureTag.Tag.Category);
writer.Write(featureTag.Tag.Name);
}
writer.Flush();
writer.Close();
ms.Position = 0;
var hash = SHA1.Create().ComputeHash(ms);
ValuesHash = HashExtensions.ByteArrayToHexViaLookup32Unsafe(hash);
}
public static string GenerateFeatureHashListHash(this IEnumerable <Feature> features)
{
using var ms = new MemoryStream();
using var sw = new StreamWriter(ms, Encoding.UTF8);
foreach (var feature in features)
{
sw.Write(feature.ValuesHash);
}
ms.Position = 0;
using var sha1 = SHA1.Create();
var hash = sha1.ComputeHash(ms);
return(HashExtensions.ByteArrayToHexViaLookup32Unsafe(hash));
}