PIAPS_CW/WebApp/Pages/Index.cshtml.cs

using Contracts.ViewModels;
using Microsoft.AspNetCore.Authorization;
using Microsoft.AspNetCore.Mvc;
using Microsoft.AspNetCore.Mvc.RazorPages;

namespace WebApp.Pages
{
    [AllowAnonymous]
    public class IndexModel : PageModel
    {
        public List<ProductViewModel> ProductsModel { get; set; }
        public Dictionary<ProductViewModel, List<MediaFileViewModel>> MediaByProductsModel { get; set; }

        public void OnGet()
        {
            ProductsModel = APIClient.GetRequest<List<ProductViewModel>>($"Product/GetFullList");
            MediaByProductsModel = APIClient.GetRequest<Dictionary<ProductViewModel, List<MediaFileViewModel>>>($"MediaFile/GetByProducts?");
        }
        public List<MediaFileViewModel> GetMediaByProduct(ProductViewModel productModel)
        {
            MediaByProductsModel.TryGetValue(productModel, out List<MediaFileViewModel> models);
            return models;
        }
    }
}