/// Returns a dbo::ptr to the currently logged in user *
dbo::ptr<User> user() {
if (_userCache) {
if (time(NULL) - _cacheTime > _userSessionStore.getTimeout())
_userCache.reset();
else
return _userCache;
}
// Check the session thing live .. this will possibly slow things down by locking if another thread is writing
// but on the plus side it means if one thread los out .. all threads log out
string cookie = getCookie();
if (!cookie.empty()) {
unsigned int userId;
try {
userId = _userSessionStore.userId(cookie);
} catch (invalid_argument e) {
// If they have an old session cookie, but they're not logged in now .. delete the old cookie
WApplication::instance()->setCookie(_cookieName, cookie, 0, "", "/", true);
cookieCache = "";
return dbo::ptr<User>(); // Empty pointer
}
touchSession();
// Cache and return the result
dbo::Transaction t(_dbSession);
_userCache = _dbSession.find<User>().where("id = ?").bind((int)userId);
_cacheTime = time(NULL); // (now)
t.commit();
return _userCache;
} else {
return dbo::ptr<User>(); // Empty pointer
}
}
SessionHandle(WObject* parent, dbo::Session& dbSession, const string& cookieName) :
BaseSessionHandle(parent, cookieName), _userSessionStore(SessionStore::getInstance()), _dbSession(dbSession), _cacheTime(time(NULL))
{
// Check if we're already logged in
const string& cookie = getCookie();
if (!cookie.empty()) {
int userId;
try {
userId = _userSessionStore.userId(getCookie(), true); // Touch the session as new app/view is openning for it
} catch (invalid_argument e) {
// Nobody's logged in right now
_userCache.reset();
return;
}
// Remember our user object
dbo::Transaction transaction(_dbSession);
_userCache = _dbSession.find<User>().where("id = ?").bind((int)userId);
transaction.commit();
}
}
/// Logs the user out of all _userSessionStore eventually; this session immediately.
void logout() {
_userCache.reset();
_userSessionStore.logout(getCookie());
}