DocumentOrganizer/Diligent.WebAPI.Host/Controllers/V1/CategoriesController.cs

using Microsoft.AspNetCore.Mvc;

namespace Diligent.WebAPI.Host.Controllers.V1
{
    [ApiVersion("1.0")]
    [Route("v{version:apiVersion}/categories")]
    [ApiController]
    public class CategoriesController : ControllerBase
    {
        private readonly ICategoryService _categoryService;

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

        [HttpGet("root-categories")]
        public async Task<IActionResult> GetRootCategories()
        {
            User? user = (User?)HttpContext.Items["User"];
            return Ok(await _categoryService.GetRootCategories(user.Id));
        }

        [HttpGet("child-categories")]
        public async Task<IActionResult> GetChildCategories(int parentCategoryId)
        {
            User? user = (User?)HttpContext.Items["User"];
            return Ok(await _categoryService.GetChildCategories(parentCategoryId, user.Id));
        }

        [HttpGet("granted-categories")]
        public async Task<IActionResult> GetCategories(int userId) =>
            Ok(await _categoryService.GetCategories(userId));
    }
}