PIBD-23_Coursach_YouAreProgrammerShop/YouAreProgrammerShop/YAPWebApplication/Pages/Views/Components/Edit.cshtml.cs

using System;
using System.Collections.Generic;
using System.Linq;
using System.Threading.Tasks;
using Microsoft.AspNetCore.Authorization;
using Microsoft.AspNetCore.Mvc;
using Microsoft.AspNetCore.Mvc.RazorPages;
using Microsoft.AspNetCore.Mvc.Rendering;
using Microsoft.EntityFrameworkCore;
using YAPContracts.AdapterContracts;
using YAPContracts.BindingModels;
using YAPContracts.Enums;
using YAPDatabase;
using YAPDatabase.Models;

namespace YAPWebApplication.Pages.Views.Components
{
    [Authorize(Roles = "Storekeeper")]
    internal class EditModel : PageModel
    {
        private readonly IComponentAdapter _adapter;

        public EditModel(IComponentAdapter adapter)
        {
            _adapter = adapter;
        }
        public IEnumerable<SelectListItem>? ComponentTypeList { get; set; }


        [BindProperty]
        public ComponentBindingModel Component { get; set; } = default!;

        public IActionResult OnGet(string id)
        {
            if (id == null)
                return NotFound();

            var component = _adapter.GetComponentByData(id);
            if (component == null)
                return NotFound();
            LoadComponentTypeList();

            Component = new ComponentBindingModel
            {
                Id = component.Id,
                Name = component.Name,
                ComponentType = component.ComponentType.ToString(),
            };

            return Page();
        }

        public IActionResult OnPost()
        {
            if (!ModelState.IsValid)
            {
                LoadComponentTypeList();
                return Page();
            }
            try
            {
                _adapter.Update(Component);
                return RedirectToPage("./Index");
            }
            catch (Exception ex)
            {
                ModelState.AddModelError(string.Empty, $"Ошибка: {ex.Message}");
                LoadComponentTypeList();
                return Page();
            }
        }

        private void LoadComponentTypeList()
        {
            ComponentTypeList = Enum.GetValues(typeof(ComponentType))
                .Cast<ComponentType>()
                .Select(ct => new SelectListItem
                {
                    Value = ((int)ct).ToString(),
                    Text = ct.ToString()
                });
        }
    }
}