NHSE/NHSE.Core/Hashing/FileHashInfo.cs

using System.Collections.Generic;
using System.Linq;

namespace NHSE.Core;

public sealed class FileHashInfo
{
    private readonly IReadOnlyDictionary<uint, FileHashDetails> List;

    public FileHashInfo(FileHashInfo dupe) : this(dupe.List.Values) { }

    public FileHashInfo(IEnumerable<FileHashDetails> hashSets)
    {
        var list = new Dictionary<uint, FileHashDetails>();
        foreach (var hashSet in hashSets)
            list[hashSet.FileSize] = hashSet;
        List = list;
    }

    public FileHashDetails? GetFile(string nameData)
    {
        return List.Values.FirstOrDefault(z => z.FileName == nameData);
    }
}