BiometricTemplateData.cs

using System;
using System.Collections.Generic;
using OSDP.Net.Messages;
using OSDP.Net.Messages.SecureChannel;
 
namespace OSDP.Net.Model.CommandData
{
    public class BiometricTemplateData : CommandData
    {
        public BiometricTemplateData(byte readerNumber, BiometricType biometricType, BiometricFormat biometricFormatType,
            byte qualityThreshold, byte[] templateData)
        {
            ReaderNumber = readerNumber;
            BiometricType = biometricType;
            BiometricFormatType = biometricFormatType;
            QualityThreshold = qualityThreshold;
            TemplateData = templateData;
        }

        public byte ReaderNumber { get; }

        public BiometricType BiometricType { get; }

        public BiometricFormat BiometricFormatType { get; }

        public byte QualityThreshold { get; }

        public byte[] TemplateData { get; }

        public override CommandType CommandType => CommandType.BioMatch;

        public override byte Code => (byte)CommandType;
        
        public override ReadOnlySpan<byte> SecurityControlBlock() => SecurityBlock.CommandMessageWithDataSecurity;

        public override byte[] BuildData()
        {
            var data = new List<byte>
            {
                ReaderNumber,
                (byte)BiometricType,
                (byte)BiometricFormatType,
                QualityThreshold
            };
            data.AddRange(Message.ConvertShortToBytes((ushort)TemplateData.Length));
            data.AddRange(TemplateData);
            return data.ToArray();
        }

        public static BiometricTemplateData ParseData(ReadOnlySpan<byte> data)
        {
            short length = Message.ConvertBytesToShort(data.Slice(4, 2), true);
            
            return new BiometricTemplateData(
                data[0],
                (BiometricType)data[1],
                (BiometricFormat)data[2],
                data[3],
                data.Slice(6, length).ToArray());
        }
    }
}