//Hash the passed in password, then check it against the stored user's password
public bool CheckIfValidLogin(string username, string password)
{
bool valid = false;
UserDAO dao = new UserDAO();
UserVO loginCompare;
string hashedPass = HashPassword(password);
System.Diagnostics.Debug.WriteLine("In checkifvalidlogin, username: " + username);
//If you can't find a user under that name, throw the exception
try {
loginCompare = dao.GetUser(username);
}
catch (Exception e) {
System.Diagnostics.Debug.WriteLine(e);
throw new Exception(USERNAME_DOES_NOT_EXIST_EXCEPTION);
}
//If the password is not equal, throw the exception
if (hashedPass.Equals(loginCompare.Password)) {
valid = true;
}
else {
throw new Exception(PASSWORD_INCORRECT_EXCEPTION);
}
return valid;
}
public void ChangePassword(int userID, string newPass)
{
UserDAO dao = new UserDAO();
UserVO vo = GetUser(userID);
vo.Password = HashPassword(newPass);
dao.UpdateUser(vo);
}
public void CreateNewComment(string username, string commentContents, int subID, int pcID)
{
CommentDAO dao = new CommentDAO();
UserDAO userDAO = new UserDAO();
CommentVO comment = new CommentVO();
if (commentContents == null) {
throw new Exception("You need to enter a comment");
}
comment.UserID = userDAO.GetUser(username).UserID;
comment.CommentContents = commentContents;
comment.PostDate = DateTime.Now;
comment.Rating = 0;
if (pcID != 0) {
comment.ParentCommentID = pcID;
}
comment.SubmissionID = subID;
dao.InsertComment(comment);
}
public void CreateNewSubmission(string title, string link, string username)
{
SubmissionDAO dao = new SubmissionDAO();
UserDAO userDAO = new UserDAO();
SubmissionVO newSub = new SubmissionVO();
if (title == null) {
throw new Exception("You need to enter a title");
}
if (link == null) {
throw new Exception("You need to enter a link");
}
newSub.Title = title;
newSub.Link = link;
newSub.Rating = 0;
newSub.PostTime = DateTime.Now;
newSub.UserID = userDAO.GetUser(username).UserID;
dao.InsertSubmission(newSub);
}
public void CreateNewUser(string username, string password)
{
UserDAO dao = new UserDAO();
UserVO newUser = new UserVO();
//Check to see if there's already a user of that name
if (CheckIfUsernameTaken(username)) {
throw new Exception(USERNAME_TAKEN_EXCEPTION);
}
newUser.Username = username;
newUser.Password = HashPassword(password);
newUser.RegisterDate = DateTime.Now;
newUser.Rating = 0;
InsertUser(newUser);
}
public int CheckIfVoted(int subID, int uID)
{
int voted;
UserDAO dao = new UserDAO();
voted = dao.CheckIfVoted(uID, subID);
return voted;
}
public void ChangeRating(int userID, int rating)
{
UserDAO dao = new UserDAO();
dao.ChangeRating(userID, rating);
}
private UserVO InsertUser(UserVO newUser)
{
try {
using(TransactionScope ts = new TransactionScope()){
UserDAO dao = new UserDAO();
LogDebug("Inserting Employee " + newUser.Username);
newUser = dao.InsertUser(newUser);
LogDebug("User succesfully inserted!");
ts.Complete();
}
}
catch (Exception e) {
LogError(e.ToString());
throw e;
}
return newUser;
}
//True if taken, false if not taken
private bool CheckIfUsernameTaken(string username)
{
bool taken = true;
UserDAO dao = new UserDAO();
UserVO vo;
//Try to grab a vo with the name passed in. If it throws
//an exception, that means it couldn't find a user with that name
try {
vo = dao.GetUser(username);
Console.WriteLine("CheckIfUsername: " + vo.Username);
}
catch (Exception e) {
taken = false;
}
return taken;
}
public void UpdateComment(UserVO user)
{
UserDAO dao = new UserDAO();
dao.UpdateUser(user);
}
public void SubmitVote(int subID, int uID, int vote)
{
UserDAO dao = new UserDAO();
dao.SubmitVote(uID, subID, vote);
ChangeRating(uID, vote);
}
public UserVO GetUser(string username)
{
UserDAO dao = new UserDAO();
return dao.GetUser(username);
}
public UserVO GetUser(int uID)
{
UserDAO dao = new UserDAO();
return dao.GetUser(uID);
}
