littleshop/Controllers/CatalogController.cs

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

namespace LittleShop.Controllers;

[ApiController]
[Route("api/[controller]")]
public class CatalogController : ControllerBase
{
    private readonly ICategoryService _categoryService;
    private readonly IProductService _productService;

    public CatalogController(ICategoryService categoryService, IProductService productService)
    {
        _categoryService = categoryService;
        _productService = productService;
    }

    [HttpGet("categories")]
    public async Task<ActionResult<IEnumerable<CategoryDto>>> GetCategories()
    {
        var categories = await _categoryService.GetAllCategoriesAsync();
        return Ok(categories.Where(c => c.IsActive));
    }

    [HttpGet("categories/{id}")]
    public async Task<ActionResult<CategoryDto>> GetCategory(Guid id)
    {
        var category = await _categoryService.GetCategoryByIdAsync(id);
        if (category == null || !category.IsActive)
        {
            return NotFound();
        }

        return Ok(category);
    }

    [HttpGet("products")]
    public async Task<ActionResult<IEnumerable<ProductDto>>> GetProducts([FromQuery] Guid? categoryId = null)
    {
        var products = categoryId.HasValue 
            ? await _productService.GetProductsByCategoryAsync(categoryId.Value)
            : await _productService.GetAllProductsAsync();
            
        return Ok(products);
    }

    [HttpGet("products/{id}")]
    public async Task<ActionResult<ProductDto>> GetProduct(Guid id)
    {
        var product = await _productService.GetProductByIdAsync(id);
        if (product == null || !product.IsActive)
        {
            return NotFound();
        }

        return Ok(product);
    }
}