var presenterSessions = {};


function newPresenterSession(user) {
    var sessionId = Date.now();
    presenterSessions[sessionId] = {id: sessionId, user: user};
    return sessionId;
}

module.exports.newPresenterSession = newPresenterSession;
@@ -185,61 +185,477 @@
 %0A%7D%0A%0A
-module.exports.newPresenterSession = newPresenterSession;
+function getSession(sessionId) %7B%0A    return presenterSessions%5BsessionId%5D;%0A%7D%0A%0Afunction getSessionByUser(user) %7B%0A    var session = null;%0A    for (var sessionId in presenterSessions) %7B%0A        session = presenterSessions%5BsessionId%5D;%0A        if(session.user === user) %7B%0A            break;%0A        %7D%0A    %7D%0A    return session;%0A%7D%0Amodule.exports.newPresenterSession = newPresenterSession;%0Amodule.exports.getSession = getSession;%0Amodule.exports.getSessionByUser = getSessionByUser;%0A

add session accessors to manager