| | | 1 | | using System.ComponentModel.DataAnnotations; |
| | | 2 | | using WebApi.DAO; |
| | | 3 | | using WebApi.Models; |
| | | 4 | | |
| | | 5 | | namespace WebApi.Services |
| | | 6 | | { |
| | | 7 | | public class UserService : IUserService |
| | | 8 | | { |
| | | 9 | | |
| | | 10 | | private readonly IUserDAO _userDAO; |
| | | 11 | | |
| | 5 | 12 | | public UserService(IUserDAO userDAO) |
| | 5 | 13 | | { |
| | 5 | 14 | | _userDAO = userDAO; |
| | 5 | 15 | | } |
| | | 16 | | |
| | | 17 | | public async Task<User> ValidateUserAsync(string username, string password) |
| | 2 | 18 | | { |
| | | 19 | | try |
| | 2 | 20 | | { |
| | 2 | 21 | | User existingUser = await _userDAO.ValidateUserAsync(username, password); |
| | 1 | 22 | | if (existingUser == null) |
| | 0 | 23 | | { |
| | 0 | 24 | | throw new UnauthorizedAccessException("Username or password is incorrect."); |
| | | 25 | | } |
| | 1 | 26 | | return existingUser; |
| | | 27 | | } |
| | 1 | 28 | | catch (UnauthorizedAccessException) |
| | 1 | 29 | | { |
| | | 30 | | // Re-throw specific exceptions directly without wrapping |
| | 1 | 31 | | throw; |
| | | 32 | | } |
| | 0 | 33 | | catch (Exception ex) |
| | 0 | 34 | | { |
| | | 35 | | // For unexpected errors, you might still want to wrap to add context or log them appropriately |
| | 0 | 36 | | throw new Exception("An error occurred during user validation.", ex); |
| | | 37 | | } |
| | 1 | 38 | | } |
| | | 39 | | |
| | | 40 | | public async Task<User> GetUserAsync(string username) |
| | 0 | 41 | | { |
| | 0 | 42 | | return await _userDAO.GetUserAsync(username); |
| | 0 | 43 | | } |
| | | 44 | | |
| | | 45 | | public async Task RegisterUserAsync(UserCreationDTO userCreationDTO) |
| | 2 | 46 | | { |
| | 2 | 47 | | if (string.IsNullOrEmpty(userCreationDTO.Username) || string.IsNullOrEmpty(userCreationDTO.Password) || string.I |
| | 0 | 48 | | { |
| | 0 | 49 | | throw new ValidationException("Something went wrong."); // Vague response to make it harder for hackers |
| | | 50 | | } |
| | | 51 | | |
| | 2 | 52 | | if (userCreationDTO.Password.Length < 8) |
| | 1 | 53 | | { |
| | 1 | 54 | | throw new ValidationException("Password must be at least 8 characters long."); |
| | | 55 | | } |
| | | 56 | | |
| | | 57 | | // Check for the uniqueness of the username and register the user |
| | | 58 | | try |
| | 1 | 59 | | { |
| | 1 | 60 | | var user = new User |
| | 1 | 61 | | { |
| | 1 | 62 | | Username = userCreationDTO.Username, |
| | 1 | 63 | | Password = userCreationDTO.Password, |
| | 1 | 64 | | Email = userCreationDTO.Email, |
| | 1 | 65 | | Role = "User", |
| | 1 | 66 | | Age = userCreationDTO.Age |
| | 1 | 67 | | }; |
| | | 68 | | |
| | 1 | 69 | | await _userDAO.RegisterUserAsync(user); |
| | 1 | 70 | | } |
| | 0 | 71 | | catch (Exception ex) |
| | 0 | 72 | | { |
| | 0 | 73 | | throw new Exception("Something went wrong."); |
| | | 74 | | } |
| | | 75 | | |
| | 1 | 76 | | } |
| | | 77 | | |
| | | 78 | | public async Task<List<List<User>>> GetAllUsersAsync() |
| | 1 | 79 | | { |
| | | 80 | | try |
| | 1 | 81 | | { |
| | 1 | 82 | | List<User> adminList = new List<User>(); |
| | 1 | 83 | | List<User> superUserList = new List<User>(); |
| | 1 | 84 | | List<User> userList = new List<User>(); |
| | 1 | 85 | | List<List<User>> allUsersList = new List<List<User>>(); |
| | | 86 | | |
| | 9 | 87 | | foreach (User user in await _userDAO.GetAllUsersAsync()) |
| | 3 | 88 | | { |
| | 3 | 89 | | if (user.Role == "Admin") |
| | 1 | 90 | | { |
| | 1 | 91 | | adminList.Add(user); |
| | 3 | 92 | | } else if (user.Role == "SuperUser") |
| | 1 | 93 | | { |
| | 1 | 94 | | superUserList.Add(user); |
| | 1 | 95 | | } |
| | | 96 | | else |
| | 1 | 97 | | { |
| | 1 | 98 | | userList.Add(user); |
| | 1 | 99 | | } |
| | 3 | 100 | | } |
| | | 101 | | |
| | 1 | 102 | | allUsersList.Add(adminList); |
| | 1 | 103 | | allUsersList.Add(superUserList); |
| | 1 | 104 | | allUsersList.Add(userList); |
| | | 105 | | |
| | 1 | 106 | | return allUsersList; |
| | | 107 | | } |
| | 0 | 108 | | catch (Exception ex) |
| | 0 | 109 | | { |
| | 0 | 110 | | throw new Exception($"Failed to retrieve all users sorted by role: {ex.Message}", ex); |
| | | 111 | | } |
| | 1 | 112 | | } |
| | | 113 | | |
| | | 114 | | public async Task<User> UpdateUserAsync(User user) |
| | 0 | 115 | | { |
| | 0 | 116 | | return await _userDAO.UpdateUserAsync(user); |
| | 0 | 117 | | } |
| | | 118 | | |
| | | 119 | | } |
| | | 120 | | } |