/*
 * This file is a part of CMSLU -- Content Management System like Unix
 * and is not publicly distributed
 * 
 * Copyright (c) 2009, Tomasz Sowa
 * All rights reserved.
 * 
 */


#include "lastcontainer.h"



LastItem::LastItem()
{
	user_id    = 0;
	ip         = 0;
	session_id = 0;
	memset((char*)&start, 0, sizeof(start));
	memset((char*)&end,   0, sizeof(end));
}


bool LastItem::IsLoggedOut()
{
	if( end.tm_sec  == 0 &&
	    end.tm_min  == 0 &&
	    end.tm_hour == 0 &&
	    end.tm_mday == 0 &&
	    end.tm_mon  == 0 &&
	    end.tm_year == 0 )
	    
	    return false;
	
return true;
}




LastContainer::LastContainer()
{
}



LastContainer::Iterator LastContainer::Begin()
{
	return last_tab.begin();	
}


LastContainer::Iterator LastContainer::End()
{
	return last_tab.end();
}


LastContainer::Iterator LastContainer::FindNotLoggedOut(long user_id, long session_id)
{
LastTab::iterator i;

	for(i=last_tab.begin() ; i!=last_tab.end() ; ++i)
	{
		if( i->user_id == user_id && i->session_id == session_id && !i->IsLoggedOut() )
			return i;
	}

return last_tab.end();
}



void LastContainer::UserLogin(long user_id, const std::string & name, unsigned int ip, long session_id)
{
LastTab::iterator i = FindNotLoggedOut(user_id, session_id);

	if( i != last_tab.end() )
	{
		log << log1 << "LC: such a user and session_id exist, not added as a new one" << logend;
		return;
	}

	if( last_tab.size() >= LAST_TABLE_SIZE )
		last_tab.erase(last_tab.begin());

	LastItem li;
	
	li.user_id    = user_id;
	li.name       = name;
	li.ip         = ip;
	li.session_id = session_id;
	
	time_t t = std::time(0);
	li.start = *localtime(&t);

	last_tab.insert(last_tab.end(), li);
	
	log << log2 << "LC: added user: " << name << " into the last table" << logend;
}




void LastContainer::UserLogout(long user_id, long session_id)
{
LastTab::iterator i = FindNotLoggedOut(user_id, session_id);
	
	if( i != last_tab.end() )
	{
		time_t t = std::time(0);
		i->end = *localtime(&t);
	}
	else
	{
		log << log1 << "LC: there is no such a user to log out" << logend;
	}
}