/**
* Send one header.
*
* @return bool: Headers sent
*/
public static function sendHeaders()
{
// headers already sent
if (headers_sent($sFilename, $iLinenum)) {
Days_Log::add("Headers not sent such as sended in file '{$sFilename}' on line {$iLinenum}");
return false;
}
// on Ajax query
if (Days_Request::isAjax()) {
// JSON encoded data
Header('Content-Type: text/javascript; charset=UTF-8');
Header('Content-type: application/json; charset=UTF-8');
self::_sendHeadersNocache();
return true;
}
// send special headers only
foreach (self::$_aHeaders as $sType => $sValue) {
switch ((string) $sType) {
case self::NOT_FOUND:
Header('HTTP/1.0 404 Not Found');
return true;
break;
case '403':
Header('HTTP/1.1 403 Forbidden');
return true;
break;
case self::PREV_PAGE:
// redirect on previous page
self::_sendHeadersRedirect(Days_Url::prev());
return true;
break;
case self::REDIRECT:
case self::RELOAD:
self::_sendHeadersRedirect($sValue);
return true;
break;
}
}
// send all additional headers
foreach (self::$_aHeaders as $sType => $sValue) {
// send header info
switch ((string) $sType) {
case 'htm':
case 'html':
case 'xhtml':
Header('Content-Type: text/html; charset=UTF-8');
self::_sendHeadersNocache();
break;
case 'xml':
Header("Content-Type: text/xml; charset=UTF-8");
self::_sendHeadersNocache();
break;
case 'wml':
Header('Content-Type: text/vnd.wap.wml; charset=UTF-8');
self::_sendHeadersNocache();
break;
case 'json':
Header('Content-Type: text/javascript; charset=UTF-8');
self::_sendHeadersNocache();
break;
case 'js':
Header('Content-type: application:x-javascript; charset=UTF-8');
self::_sendHeadersNocache();
break;
case 'jpg':
case 'jpeg':
Header("Content-Type: image/jpeg");
self::_sendHeadersNocache();
break;
case 'gif':
Header("Content-Type: image/gif");
self::_sendHeadersNocache();
break;
case 'png':
Header("Content-Type: image/png");
self::_sendHeadersNocache();
break;
}
}
// all headers sent
return true;
}
/**
* Run application.
*
* @param string $appPath Path to application
* @param string $mode Name of configuration file used in work
*/
private function __construct($appPath, $mode)
{
// set pathes
self::$_libPath = realpath(dirname(__FILE__) . '/..') . '/';
self::$_appPath = realpath($appPath) . '/';
self::$_publicPath = getcwd() . '/';
set_include_path(get_include_path() . PATH_SEPARATOR . self::$_libPath);
spl_autoload_register(array(__CLASS__, 'autoload'));
Days_Session::init();
// set config main file
if (!empty($mode)) {
Days_Config::setDefaultConfig($mode);
}
// set path for config
Days_Config::setConfigPath(self::$_appPath . 'config/');
// set debug mode
self::$_isDebug = (bool) Days_Config::load()->get('engine/debug', false);
// set error level and handler
$iErrorLevel = self::isDebug() ? E_ALL | E_STRICT : E_ALL ^ E_NOTICE;
error_reporting($iErrorLevel);
setlocale(LC_ALL, 'ru_RU.UTF-8', 'RUS', 'RU');
//set timezone
if ($timezone = Days_Config::load()->get('engine/timezone', false)) {
date_default_timezone_set($timezone);
} else {
date_default_timezone_set('Europe/Helsinki');
}
// not send execution errors to user
ob_start();
try {
if (Days_Config::load()->get('engine/autorun', 1)) {
$autorunClass = "Controller_System_Autorun";
// run predefined class
if (class_exists($autorunClass) and is_callable(array($autorunClass, 'run'))) {
call_user_func(array($autorunClass, 'run'));
}
}
Days_Event::run('engine.start');
// get url info
$controller = Days_Url::getSpec('controller');
$action = Days_Url::getSpec('action');
$ext = Days_Url::getSpec('ext');
Days_Event::run('controller.start');
// set module path
Days_Model::setPath(self::appPath() . 'Model/');
// set controller params
$controllerClass = "Controller_" . ucfirst($controller);
// use index controller for non-exists controllers
if (!class_exists($controllerClass) and Days_Config::load()->get('url/virtual')) {
$controllerClass = "Controller_Index";
$controller = 'index';
}
// set action name
$actionMethod = Days_Request::isAjax() ? "{$action}AjaxAction" : "{$action}Action";
// set template path
$template = "content/{$controller}/{$action}.{$ext}";
// create controller
if (!class_exists($controllerClass)) {
throw new Days_Exception("Controller '{$controllerClass}' not found");
}
$controllerObj = new $controllerClass($template);
if (!$controllerObj instanceof Days_Controller) {
throw new Days_Exception("Controller '{$controllerClass}' should be extended from 'Days_Controller'");
}
// call init() method for prepare object
$controllerObj->init();
Days_Event::run('controller.post.init');
// execute PostAction before call specified action
if (Days_Request::isPost()) {
$actionPost = "{$action}PostAction";
if (method_exists($controllerObj, $actionPost)) {
call_user_func(array($controllerObj, $actionPost));
}
}
// call specified action
if (!method_exists($controllerObj, $actionMethod)) {
throw new Days_Exception("Action {$actionMethod} in controller {$controllerClass} not defined");
}
$actionResult = call_user_func(array($controllerObj, $actionMethod));
// ajax query
if (Days_Request::isAjax()) {
if (is_null($actionResult)) {
$actionResult = array();
}
$content = $actionResult;
} else {
$controllerObj->setLayout($controller, false);
$content = call_user_func(array($controllerObj, 'getContent'));
Days_Response::addHeader($ext);
}
Days_Event::run('controller.end');
// set data to response
Days_Response::addContent($content);
} catch (Exception $oEx) {
// save error message about this query
Days_Log::add($oEx->getMessage());
// page not found
Days_Response::addHeader(Days_Response::NOT_FOUND);
}
// save runtime errors
for ($iObLevel = ob_get_level(); $iObLevel > 0; $iObLevel--) {
$sError = ob_get_contents();
if ('' != $sError) {
Days_Log::add("This data printed in scripts: '{$sError}'");
}
// close output handler
ob_end_clean();
}
// save errors
Days_Log::save();
Days_Event::run('engine.end');
// send headers to user
Days_Event::run('response.send.headers');
Days_Response::sendHeaders();
// send content to user
Days_Event::run('response.send.content');
Days_Response::sendContent();
}