littleshop/Areas/Admin/Controllers/CategoriesController.cs

using Microsoft.AspNetCore.Authorization;
using Microsoft.AspNetCore.Mvc;
using LittleShop.Services;
using LittleShop.DTOs;

namespace LittleShop.Areas.Admin.Controllers;

[Area("Admin")]
[Authorize(Policy = "AdminOnly")]
public class CategoriesController : Controller
{
    private readonly ICategoryService _categoryService;

    public CategoriesController(ICategoryService categoryService)
    {
        _categoryService = categoryService;
    }

    public async Task<IActionResult> Index()
    {
        var categories = await _categoryService.GetAllCategoriesAsync();
        return View(categories);
    }

    public IActionResult Create()
    {
        return View(new CreateCategoryDto());
    }

    [HttpPost]
    public async Task<IActionResult> Create(CreateCategoryDto model)
    {
        Console.WriteLine($"Received Category: Name='{model?.Name}', Description='{model?.Description}'");
        Console.WriteLine($"ModelState.IsValid: {ModelState.IsValid}");
        
        if (!ModelState.IsValid)
        {
            foreach (var error in ModelState)
            {
                Console.WriteLine($"ModelState Error - Key: {error.Key}, Errors: {string.Join(", ", error.Value.Errors.Select(e => e.ErrorMessage))}");
            }
            return View(model);
        }

        await _categoryService.CreateCategoryAsync(model);
        return RedirectToAction(nameof(Index));
    }

    public async Task<IActionResult> Edit(Guid id)
    {
        var category = await _categoryService.GetCategoryByIdAsync(id);
        if (category == null)
        {
            return NotFound();
        }

        var model = new UpdateCategoryDto
        {
            Name = category.Name,
            Description = category.Description,
            IsActive = category.IsActive
        };

        ViewData["CategoryId"] = id;
        return View(model);
    }

    [HttpPost]
    public async Task<IActionResult> Edit(Guid id, UpdateCategoryDto model)
    {
        if (!ModelState.IsValid)
        {
            ViewData["CategoryId"] = id;
            return View(model);
        }

        var success = await _categoryService.UpdateCategoryAsync(id, model);
        if (!success)
        {
            return NotFound();
        }

        return RedirectToAction(nameof(Index));
    }

    [HttpPost]
    public async Task<IActionResult> Delete(Guid id)
    {
        await _categoryService.DeleteCategoryAsync(id);
        return RedirectToAction(nameof(Index));
    }
}