Merge branch 'feature/1831_refactoring' of Neca/HRCenter into BE_dev

Diligent.WebAPI.Business/Services/Interfaces/IUserService.cs

     public interface IUserService
     {
         Task<IEnumerable<User?>> GetAll();
-        Task<User?> GetById(int id);
-        Task<User?> GetByEmail(string email);
+        Task<User> GetById(int id);
+        Task<User> GetByEmail(string email);
         Task CreateUser(CreateUserRequestDto model);
         Task<bool?> ToggleEnable(User user);
         Task RemoveUser(User user);

Diligent.WebAPI.Business/Services/UserService.cs

             return result;
         }
         #region REFACTORING CODE HERE TO CHECK IF USER IS NULL
-        public async Task<User?> GetById(int id)
+        public async Task<User> GetById(int id)
         {
             _logger.LogInformation($"Start searching user with id = {id}");
             var result = await _userManager.FindByIdAsync(id.ToString());
+
+            if (result == null)
+            {
+                throw new EntityNotFoundException("User not found");
+            }
+
+            return result;
+        }
+        public async Task<User> GetByEmail(string email)
+        {
+            _logger.LogInformation($"Start searching user with mail = {email}");
+            var result = await _userManager.FindByEmailAsync(email);
+
+            if (result == null)
+            {
+                throw new EntityNotFoundException("User not found");
+            }
+
             return result;
         }
-        public async Task<User?> GetByEmail(string email) =>
-            await _userManager.FindByEmailAsync(email);
         #endregion
         public async Task CreateUser(CreateUserRequestDto model)
         {

Diligent.WebAPI.Host/Controllers/V1/UsersController.cs

         {
             var user = await _userService.GetById(id);
 
-            if (user == null)
-            {
-                return BadRequest("User not found");
-            }
-
             await _userService.ToggleEnable(user);
 
             return Ok(user.Id);
         {
             var user = await _userService.GetById(id);
 
-            if (user == null)
-            {
-                return BadRequest("User not found");
-            }
-
             await _userService.RemoveUser(user);
 
             return Ok(user.Id);
         {
             var user = await _userService.GetById(id);
 
-            if (user == null)
-            {
-                return BadRequest("User not found");
-            }
-
             return Ok(_mapper.Map<User, UserDetailsResponseDTO>(user));
         }