ProjectUserManager/UserManagement.API/Controllers/UserRolesController.cs

using Microsoft.AspNetCore.Mvc;
using Swashbuckle.AspNetCore.Annotations;
using UserManagement.Application.Dtos.Incomming;
using UserManagement.Application.Dtos.Outgoing;
using UserManagement.Application.Interfaces;

namespace UserManagement.API.Controllers
{
    [Route("api/[controller]")]
    [ApiController]
    public class UserRolesController : Controller
    {
        // CTOR
        private readonly IUserRolesService _userRolesService;
        public UserRolesController(IUserRolesService userRolesService)
        {
            _userRolesService = userRolesService;
        }

        // CREATE ASSIGNMENT
        [HttpPost("AssignRoleToUser")]
        [SwaggerOperation(Summary = "Assign Role to User the better way")]
        [ProducesResponseType(StatusCodes.Status200OK)]
        [ProducesResponseType(StatusCodes.Status400BadRequest)]
        [ProducesResponseType(StatusCodes.Status404NotFound)]
        public async Task<IActionResult> CreateAssignmentAsync(CreatingUserRolesDto creatingUserRolesDto)
        {
            try
            {
                var result = await _userRolesService.CreateAssignmentAsync(creatingUserRolesDto);

                if (result)
                {
                    return Ok("Rolle erfolgreich zugewiesen!");
                }
                else
                {
                    return BadRequest("Zuweisen der Rolle fehlgeschlagen!");
                }
            }
            catch (ArgumentException ex)
            {
                return BadRequest(ex.Message);
            }
            catch (KeyNotFoundException ex)
            {
                return NotFound(ex.Message);
            }
        }

        // REMOVE ROLE FROM USER
        [HttpDelete("RemoveRoleFromUser")]
        [SwaggerOperation(Summary = "Remove Role from User")]
        [ProducesResponseType(StatusCodes.Status200OK)]
        [ProducesResponseType(StatusCodes.Status400BadRequest)]
        [ProducesResponseType(StatusCodes.Status404NotFound)]
        public async Task<IActionResult> RemoveRoleFromUser(CreatingUserRolesDto creatingUserRolesDto)
        {
            try
            {
                var result = await _userRolesService.RemoveRoleFromUserAsync(creatingUserRolesDto);

                if (result)
                {
                    return Ok("Rolle erfolgreich entfernt!");
                }
                else
                {
                    return BadRequest("Entfernung der Rolle fehlgeschlagen!");
                }
            }
            catch (ArgumentException ex)
            {
                return BadRequest(ex.Message);
            }
            catch (KeyNotFoundException ex)
            {
                return NotFound(ex.Message);
            }
        }
    }
}