<?php
/* ----------------------------------------------------------------------
 * index.php : primary application controller for cataloguing module
 * ----------------------------------------------------------------------
 * CollectiveAccess
 * Open-source collections management software
 * ----------------------------------------------------------------------
 *
 * Software by Whirl-i-Gig (http://www.whirl-i-gig.com)
 * Copyright 2008-2010 Whirl-i-Gig
 *
 * For more information visit http://www.CollectiveAccess.org
 *
 * This program is free software; you may redistribute it and/or modify it under
 * the terms of the provided license as published by Whirl-i-Gig
 *
 * CollectiveAccess is distributed in the hope that it will be useful, but
 * WITHOUT ANY WARRANTIES whatsoever, including any implied warranty of 
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  
 *
 * This source code is free and modifiable under the terms of 
 * GNU General Public License. (http://www.gnu.org/copyleft/gpl.html). See
 * the "license.txt" file for details, or visit the CollectiveAccess web site at
 * http://www.CollectiveAccess.org
 *
 * ----------------------------------------------------------------------
 */
	define("__CA_MICROTIME_START_OF_REQUEST__", microtime());
	
	if (!file_exists('./setup.php')) { print "No setup.php file found!"; exit; }
	require('./setup.php');
	define("__CA_BASE_MEMORY_USAGE__", memory_get_usage(true));
	
	// connect to database
	$o_db = new Db(null, null, false);
	
	//
	// do a sanity check on application and server configuration before servicing a request
	//
	
	require_once(__CA_APP_DIR__.'/lib/pawtucket/ConfigurationCheck.php');
	ConfigurationCheck::performQuick();
	if(ConfigurationCheck::foundErrors()){
		ConfigurationCheck::renderErrorsAsHTMLOutput();
		exit();
	}
	
	$app = AppController::getInstance();
	
	$req = $app->getRequest();
	$resp = $app->getResponse();

	// TODO: move this into a library so $_, $g_ui_locale_id and $g_ui_locale gets set up automatically
	$va_ui_locales = $req->config->getList('ui_locales');
	if ($vs_lang = $req->getParameter('lang', pString)) {
		if (in_array($vs_lang, $va_ui_locales)) {
			$req->session->setVar('lang', $vs_lang);
		}
	}
	if (!($g_ui_locale = $req->session->getVar('lang'))) {
		$g_ui_locale = $va_ui_locales[0];
	}
	
	if (!in_array($g_ui_locale, $va_ui_locales)) {
		$g_ui_locale = $va_ui_locales[0];
	}
	$t_locale = new ca_locales();
	$g_ui_locale_id = $t_locale->localeCodeToID($g_ui_locale);		// get current UI locale as locale_id	  (available as global)
	$_ = array();
	if (file_exists($vs_theme_specific_locale_path = $req->getThemeDirectoryPath().'/locale/'.$g_ui_locale.'/messages.mo')) {
		$_[] = new Zend_Translate('gettext', $vs_theme_specific_locale_path, $g_ui_locale);
	}
	$_[] = new Zend_Translate('gettext', __CA_APP_DIR__.'/locale/'.$g_ui_locale.'/messages.mo', $g_ui_locale);
	
	
	//
	// PageFormat plug-in generates header/footer shell around page content
	//
	if (!$req->isAjax() && !$req->isDownload()) {
		require_once(__CA_LIB_DIR__.'/ca/PageFormat.php');
		$app->registerPlugin(new PageFormat());
	} else {
		require_once(__CA_LIB_DIR__.'/ca/AjaxFooter.php');
		$app->registerPlugin(new AjaxFooter());
	}
	
	//
	// ContentCaching plug-in caches output of selected pages for performance
	//
	require_once(__CA_LIB_DIR__.'/ca/ContentCaching.php');
	$app->registerPlugin(new ContentCaching());
	
	
	// Prevent caching
	$resp->addHeader("Cache-Control", "no-cache, must-revalidate");
	$resp->addHeader("Expires", "Mon, 26 Jul 1997 05:00:00 GMT");
	
	//
	// Dispatch the request
	//
	$app->dispatch(true);

	//
	// Send output to client
	//
	$resp->sendResponse();
	
	// Note url of this page as "last page"
	if (($req->getController() != 'LoginReg') && (!$req->isAjax())) {
		$req->session->setVar('pawtucket2_last_page', $req->getFullUrlPath());
	}
	$req->close();
?>