Scriptum/Assets/Scripts/REFACTORING/Models/Shop/ShopData.cs

using System.Collections.Generic;
using UnityEditor;
using UnityEngine;

[System.Serializable]
public class ShopData : IModelMapper<Shop>
{

    [SerializeField]
    public List<IndexValuePair<int, EquippableItemData>> content = new List<IndexValuePair<int, EquippableItemData>>();
    
    [SerializeField]
    public string Map;

    [SerializeField]
    public string NpcName;

    public ShopData(Shop shop)
    {
        Map = shop.Map;
        NpcName = shop.Npc;

        foreach (IndexValuePair<int, EquippableItem> item in shop.Content)
        {
            content.Add(
                new IndexValuePair<int, EquippableItemData>(item.Key, new EquippableItemData(item.Value))
            );
        }
    }

    public Shop MapDataToObject()
    {
        var shop = new Shop(Map, NpcName);

        shop.Content.Clear();

        foreach (IndexValuePair<int, EquippableItemData> item in content)
        {
            var castedObject = item.Value.MapDataToObject() as EquippableItem;

            if (castedObject == null)
                shop.Content.Add(
                    new IndexValuePair<int, EquippableItem>(item.Key, new EquippableItem(item.Value.MapDataToObject()))
                );
            else
                shop.Content.Add(
                    new IndexValuePair<int, EquippableItem>(item.Key, castedObject)
                );
        }

        return shop;
    }

    public Shop MapDataToObject(string prefarbAssetName) { throw new System.NotImplementedException(); }
}