/// <summary>
/// This method is responsible for getting a specific user from the helpdesk system
/// </summary>
/// <param name="id">The UserId of the specific user to be retrieved</param>
/// <returns>The response that indicates if the operation was a success,
/// and the details of the retrieved user if it was</returns>
public GetUserResponse GetUser(int id)
{
s_logger.Info("Getting user...");
GetUserResponse response = new GetUserResponse();
try
{
var dataLayer = new UsersDataLayer();
UserDTO user = dataLayer.GetUser(id);
if (user == null)
{
throw new NotFoundException("Unable to find user!");
}
response.User = user;
response.Status = HttpStatusCode.OK;
}
catch (NotFoundException ex)
{
s_logger.Error(ex, "Unable to find user!");
response.Status = HttpStatusCode.NotFound;
response.StatusMessages.Add(new StatusMessage(HttpStatusCode.NotFound, "Unable to find user!"));
}
catch (Exception ex)
{
s_logger.Error(ex, "Unable to get user!");
response.Status = HttpStatusCode.InternalServerError;
response.StatusMessages.Add(new StatusMessage(HttpStatusCode.InternalServerError, "Unable to get user!"));
}
return(response);
}
/// <summary>
/// This is used to check that the user that is logged in is actually a valid user in the system
/// </summary>
/// <param name="username">The username of the user</param>
/// <param name="userId">The id of the user</param>
/// <returns>An indicator of whether or not the user is valid</returns>
public bool VerifyUser(string username, string userId)
{
bool result = false;
try
{
var dataLayer = new UsersDataLayer();
int userID = -1;
if (!int.TryParse(userId, out userID))
{
throw new Exception("Invalid user id received.");
}
UserDTO userFromID = dataLayer.GetUser(userID);
UserDTO userFromUsername = dataLayer.GetUserByUsername(username);
if (!(userFromID.UserId == userFromUsername.UserId && userFromID.Username == userFromUsername.Username && (!userFromID.FirstTime)))
{
s_logger.Warn("Unable to verify user.");
result = false;
}
else
{
result = true;
}
}
catch (NotFoundException ex)
{
s_logger.Warn(ex, "Unable to find user in system.");
}
catch (Exception ex)
{
s_logger.Error(ex, "Unable to perform log in attempt.");
}
return(result);
}
/// <summary>
/// This method is responsible for handling the deletion of a user from the system
/// </summary>
/// <param name="id">The id of the user to be deleted</param>
/// <returns>A response that indicates whether or not the deletion was successful</returns>
public DeleteUserResponse DeleteUser(int id, string currentUser)
{
var response = new DeleteUserResponse();
try
{
var dataLayer = new UsersDataLayer();
UserDTO user = dataLayer.GetUser(id);
if (user.Username == currentUser)
{
response.Status = HttpStatusCode.Forbidden;
return(response);
}
bool result = dataLayer.DeleteUser(id);
if (result)
{
response.Status = HttpStatusCode.OK;
}
}
catch (NotFoundException ex)
{
s_logger.Warn($"Unable to find the user with id [{id}]");
response.Status = HttpStatusCode.NotFound;
}
catch (Exception ex)
{
s_logger.Error(ex, "Unable to delete the user.");
response.Status = HttpStatusCode.InternalServerError;
}
return(response);
}