shoc-backend/SeaHaven.Services/Helpers/WorkOrderExternalVersion.cs

using System.Security.Cryptography;
using System.Text;

namespace SeaHaven.Services.Helpers
{
    public static class WorkOrderExternalVersion
    {
        public static string Compute(params string?[] values)
        {
            var buffer = new StringBuilder();
            foreach (var value in values)
            {
                var normalized = value ?? string.Empty;
                buffer.Append(normalized.Length).Append(':').Append(normalized).Append('|');
            }

            return Convert.ToHexString(
                SHA256.HashData(Encoding.UTF8.GetBytes(buffer.ToString())))
                .ToLowerInvariant();
        }
    }
}