GazpromApp/Utils/PropertyParentHelper.cs

using GazpromApp.Models;
using System.Linq;

namespace GazpromApp.Utils;

public static class PropertyParentHelper
{
    public static void SetPropertyParents(this Point point)
    {
        foreach (var prop in point.Properties)
        {
            SetParentsRecursively(prop);
        }

        foreach (var prop in point.Equipment.SelectMany(equipment => equipment.Properties))
        {
            SetParentsRecursively(prop);
        }
    }

    private static void SetParentsRecursively(Property property)
    {
        foreach (var childProp in property.Properties)
        {
            childProp.Parent = property;
            childProp.ParentPropertyId = property.Id;
            SetParentsRecursively(childProp);
        }
    }
}