ProjectUserManager/UserManagement.API/Controllers/UserController.cs

using Microsoft.AspNetCore.Authorization;
using Microsoft.AspNetCore.Mvc;
using Swashbuckle.AspNetCore.Annotations;
using UserManagement.Application.Dtos.Incomming;
using UserManagement.Application.Interfaces;
using static Microsoft.EntityFrameworkCore.DbLoggerCategory;

namespace UserManagement.API.Controllers
{
    [Route("api/[controller]")]
    [ApiController]
    //[Authorize(Roles = "Admin")]
    public class UserController : Controller
    {
        // CTOR
        private readonly IUserService _userService;
        public UserController(IUserService userService)
        {
            _userService = userService;
        }

        // CREATE
        [HttpPost]
        [SwaggerOperation(Summary = "Create User")]
        [ProducesResponseType(StatusCodes.Status201Created)]
        [ProducesResponseType(StatusCodes.Status400BadRequest)]
        [ProducesResponseType(StatusCodes.Status500InternalServerError)]
        //[Authorize(Roles = "Admin")]
        public async Task<IActionResult> CreateUser([FromBody] CreatingUserDto creatingUserDto)
        {
            // Validate incomming model
            if (!ModelState.IsValid)
            {
                return BadRequest(ModelState);
            }

            try
            {
                // Try to add user asynchronously
                var result = await _userService.AddUserAsync(creatingUserDto);

                // If user is successfully created, return a CreatedAtAction response with the created resource
                if (result is not null)
                {
                    var id = result.Id;
                    var createdResource = new { Id = id };
                    var actionName = nameof(GetUserById);
                    var routeValue = new { id = createdResource.Id };
                    return CreatedAtAction(actionName, routeValue, createdResource);
                }
                else
                {
                    return BadRequest("Creation failed");
                }
            }
            catch (Exception ex)
            {
                return StatusCode(StatusCodes.Status500InternalServerError, ex.Message);
            }
        }

        // READ ALL
        [HttpGet]
        [SwaggerOperation(Summary = "Get all Users")]
        [ProducesResponseType(StatusCodes.Status200OK)]
        public async Task<IActionResult> GetAllUsers()
        {
            var users = await _userService.GetUsersAsync();
            return Ok(users);
        }

        // READ BY ID
        [HttpGet("id/{id}", Name = "GetUserById")]
        [SwaggerOperation(Summary = "Get User by Id")]
        [ProducesResponseType(StatusCodes.Status200OK)]
        [ProducesResponseType(StatusCodes.Status400BadRequest)]
        [ProducesResponseType(StatusCodes.Status404NotFound)]
        public async Task<IActionResult> GetUserById(int id)
        {
            if (id <= 0)
            {
                return BadRequest("Invalid Id");
            }
            var user = await _userService.GetByIdAsync(id);
            if (user == null)
            {
                return NotFound();
            }
            return Ok(user);
        }

        // READ BY USERNAME
        [HttpGet("username/{username}", Name = "GetUserByUsername")]
        [SwaggerOperation(Summary = "Get User by Username")]
        [ProducesResponseType(StatusCodes.Status200OK)]
        [ProducesResponseType(StatusCodes.Status400BadRequest)]
        [ProducesResponseType(StatusCodes.Status404NotFound)]
        public async Task<IActionResult> GetUserByUsername(string username)
        {
            if (string.IsNullOrEmpty(username))
            {
                return BadRequest("Username connot be empty");
            }
            var user = await _userService.GetByUsernameAsync(username);
            if (user == null)
            {
                return NotFound();
            }
            return Ok(user);
        }

        // UPDATE
        [HttpPut("id/{id}", Name = "UpdateUser")]
        [SwaggerOperation(Summary = "Update User")]
        [ProducesResponseType(StatusCodes.Status204NoContent)]
        [ProducesResponseType(StatusCodes.Status400BadRequest)]
        public async Task<IActionResult> UpdateUser(int id, UpdatingUserDto updatingUserDto)
        {
            if (id <= 0)
            {
                return BadRequest("Invalid Id");
            }

            var updated = await _userService.UpdateUserAsync(updatingUserDto);

            if (!updated)
            {
                return BadRequest("Update failed");
            }

            return Ok(updated);
        }

        // DELETE
        [HttpDelete("id/{id}", Name = "DeleteUser")]
        [SwaggerOperation(Summary = "Delete User")]
        [ProducesResponseType(StatusCodes.Status204NoContent)]
        [ProducesResponseType(StatusCodes.Status404NotFound)]
        [ProducesResponseType(StatusCodes.Status400BadRequest)]
        public async Task<IActionResult> DeleteUser([FromBody] int id)
        {
            if (id <= 0)
            {
                return BadRequest("Invalid Id");
            }

            var deleted = await _userService.DeleteUserAsync(id);

            if (!deleted)
            {
                return BadRequest("Deletion failed");
            }

            return Ok();
        }
    }
}