/**
* Initialise Zikula.
*
* Carries out a number of initialisation tasks to get Zikula up and
* running.
*
* @param integer $stage Stage to load.
*
* @return boolean True initialisation successful false otherwise.
*/
public function init($stage = self::STAGE_ALL)
{
$coreInitEvent = new Zikula_Event('core.init', $this);
// store the load stages in a global so other API's can check whats loaded
$this->stage = $this->stage | $stage;
if ($stage & self::STAGE_PRE && $this->stage & ~self::STAGE_PRE) {
ModUtil::flushCache();
System::flushCache();
$this->eventManager->notify(new Zikula_Event('core.preinit', $this));
}
// Initialise and load configuration
if ($stage & self::STAGE_CONFIG) {
if (System::isLegacyMode()) {
require_once 'lib/legacy/Compat.php';
}
// error reporting
if (!System::isInstalling()) {
// this is here because it depends on the config.php loading.
$event = new Zikula_Event('setup.errorreporting', null, array('stage' => $stage));
$this->eventManager->notify($event);
}
// initialise custom event listeners from config.php settings
$coreInitEvent->setArg('stage', self::STAGE_CONFIG);
$this->eventManager->notify($coreInitEvent);
}
// Check that Zikula is installed before continuing
if (System::getVar('installed') == 0 && !System::isInstalling()) {
System::redirect(System::getBaseUrl() . 'install.php?notinstalled');
System::shutDown();
}
if ($stage & self::STAGE_DB) {
try {
$dbEvent = new Zikula_Event('core.init', $this, array('stage' => self::STAGE_DB));
$this->eventManager->notify($dbEvent);
} catch (PDOException $e) {
if (!System::isInstalling()) {
header('HTTP/1.1 503 Service Unavailable');
require_once System::getSystemErrorTemplate('dbconnectionerror.tpl');
System::shutDown();
} else {
return false;
}
}
}
if ($stage & self::STAGE_TABLES) {
// Initialise dbtables
ModUtil::dbInfoLoad('Extensions', 'Extensions');
ModUtil::initCoreVars();
ModUtil::dbInfoLoad('Settings', 'Settings');
ModUtil::dbInfoLoad('Theme', 'Theme');
ModUtil::dbInfoLoad('Users', 'Users');
ModUtil::dbInfoLoad('Groups', 'Groups');
ModUtil::dbInfoLoad('Permissions', 'Permissions');
ModUtil::dbInfoLoad('Categories', 'Categories');
if (!System::isInstalling()) {
ModUtil::registerAutoloaders();
}
$coreInitEvent->setArg('stage', self::STAGE_TABLES);
$this->eventManager->notify($coreInitEvent);
}
if ($stage & self::STAGE_SESSIONS) {
SessionUtil::requireSession();
$coreInitEvent->setArg('stage', self::STAGE_SESSIONS);
$this->eventManager->notify($coreInitEvent);
}
// Have to load in this order specifically since we cant setup the languages until we've decoded the URL if required (drak)
// start block
if ($stage & self::STAGE_LANGS) {
$lang = ZLanguage::getInstance();
}
if ($stage & self::STAGE_DECODEURLS) {
System::queryStringDecode();
$coreInitEvent->setArg('stage', self::STAGE_DECODEURLS);
$this->eventManager->notify($coreInitEvent);
}
if ($stage & self::STAGE_LANGS) {
$lang->setup();
$coreInitEvent->setArg('stage', self::STAGE_LANGS);
$this->eventManager->notify($coreInitEvent);
}
// end block
if ($stage & self::STAGE_MODS) {
// Set compression on if desired
if (System::getVar('UseCompression') == 1) {
//ob_start("ob_gzhandler");
}
ModUtil::load('SecurityCenter');
$coreInitEvent->setArg('stage', self::STAGE_MODS);
$this->eventManager->notify($coreInitEvent);
}
if ($stage & self::STAGE_THEME) {
// register default page vars
PageUtil::registerVar('title');
PageUtil::setVar('title', System::getVar('defaultpagetitle'));
PageUtil::registerVar('keywords', true);
PageUtil::registerVar('stylesheet', true);
PageUtil::registerVar('javascript', true);
PageUtil::registerVar('jsgettext', true);
PageUtil::registerVar('body', true);
PageUtil::registerVar('header', true);
PageUtil::registerVar('footer', true);
$theme = Zikula_View_Theme::getInstance();
// set some defaults
// Metadata for SEO
$this->serviceManager['zikula_view.metatags']['description'] = System::getVar('defaultmetadescription');
$this->serviceManager['zikula_view.metatags']['keywords'] = System::getVar('metakeywords');
$coreInitEvent->setArg('stage', self::STAGE_THEME);
$this->eventManager->notify($coreInitEvent);
}
// check the users status, if not 1 then log him out
if (UserUtil::isLoggedIn()) {
$userstatus = UserUtil::getVar('activated');
if ($userstatus != Users_Constant::ACTIVATED_ACTIVE) {
UserUtil::logout();
// TODO - When getting logged out this way, the existing session is destroyed and
// then a new one is created on the reentry into index.php. The message
// set by the registerStatus call below gets lost.
LogUtil::registerStatus(__('You have been logged out.'));
System::redirect(ModUtil::url('Users', 'user', 'login'));
}
}
if ($stage & self::STAGE_POST && $this->stage & ~self::STAGE_POST) {
$this->eventManager->notify(new Zikula_Event('core.postinit', $this, array('stages' => $stage)));
}
}
