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CiHelperService.php
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CiHelperService.php
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<?php
/*
* Copyright 2012 Nerijus Arlauskas <nercury@gmail.com>
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
namespace Nercury\CodeIgniterBundle;
use Symfony\Component\HttpFoundation\Request;
/**
* Description of CiHelperService
*
* @author nercury
*/
class CiHelperService {
/**
* @var array
*/
protected $config;
/**
* @var \Monolog\Logger
*/
protected $logger;
/**
*
* @var \Symfony\Component\HttpKernel\Kernel
*/
protected $kernel;
/**
*
* @var \Symfony\Component\EventDispatcher\EventDispatcher
*/
protected $event_dispatcher;
protected $app_path = false;
protected $system_path = false;
public function __construct($config, $logger, $kernel, $event_dispatcher) {
$this->config = $config;
$this->kernel = $kernel;
$this->logger = $logger;
$this->event_dispatcher = $event_dispatcher;
$this->app_path = realpath($config['application_path']);
$this->system_path = realpath($config['system_path']);
}
protected function isConfigValid() {
return $this->app_path !== false && $this->system_path !== false;
}
public function resolveCiActions(Request $request) {
$event = new CiActionResolveEvent($request);
if ($this->config['detect_controllers'] !== false)
$this->event_dispatcher->dispatch('nercury.ci_action_resolve', $event);
return $event->getResolvedActions();
}
/**
* Get physical controller file name based on it's name
*
* @param string $controllerName
* @return string
*/
public function getControllerFile($controllerName) {
return $this->getAppPath() . '/controllers/' . $controllerName . '.php';
}
public function hasController($controller) {
if (!$this->isConfigValid())
return false;
$controller_file = $this->getControllerFile($controller);
if (file_exists($controller_file))
return true;
}
function getRelativePath($from, $to) {
$from = explode('/', $from);
$to = explode('/', $to);
$relPath = $to;
foreach ($from as $depth => $dir) {
// find first non-matching dir
if ($dir === $to[$depth]) {
// ignore this directory
array_shift($relPath);
} else {
// get number of remaining dirs to $from
$remaining = count($from) - $depth;
if ($remaining > 1) {
// add traversals up to first matching dir
$padLength = (count($relPath) + $remaining - 1) * -1;
$relPath = array_pad($relPath, $padLength, '..');
break;
} else {
$relPath[0] = $relPath[0];
}
}
}
return implode('/', $relPath);
}
private $paths_initalized = false;
/**
* Initialize code igniter system paths and defines
*
* @param Request $request
* @throws Exception
*/
public function setCiPaths(Request $request = null) {
if (!$this->isConfigValid())
throw new \Exception('Code Igniter configuration is not valid.');
if ($this->paths_initalized === false) {
$script_file = $request !== null
? '.' . $request->getBasePath() . $request->getScriptName()
: __FILE__;
$root_path = realpath($this->kernel->getRootDir().'/..');
if ($root_path === false) {
throw new \LogicException('Nercury CI bundle was expecting to find kernel root dir in /app directory.');
}
$system_path = $this->getRelativePath($root_path, $this->getSystemPath()).'/';
$application_folder = $this->getRelativePath($root_path, $this->getAppPath());
if ($script_file === __FILE__) {
$script_file = $root_path . '/app.php';
$system_path = realpath($root_path.'/'.$system_path).'/';
$application_folder = realpath($root_path.'/'.$application_folder);
}
/*
* -------------------------------------------------------------------
* Now that we know the path, set the main path constants
* -------------------------------------------------------------------
*/
// The name of THIS file
define('SELF', pathinfo($script_file, PATHINFO_BASENAME));
// The PHP file extension
// this global constant is deprecated.
define('EXT', '.php');
// Path to the system folder
define('BASEPATH', str_replace("\\", "/", $system_path));
// Path to the front controller (this file)
define('FCPATH', str_replace(SELF, '', __FILE__));
// Name of the "system folder"
define('SYSDIR', trim(strrchr(trim(BASEPATH, '/'), '/'), '/'));
// The path to the "application" folder
if (is_dir($application_folder)) {
define('APPPATH', $application_folder . '/');
} else {
if (!is_dir(BASEPATH . $application_folder . '/')) {
exit("Your application folder path does not appear to be set correctly. Please open the following file and correct this: " . SELF);
}
define('APPPATH', BASEPATH . $application_folder . '/');
}
$this->paths_initalized = true;
}
}
public function setBaseControllerOverrideClass($className) {
$this->override_controller_class = $className;
}
private $override_controller_class = false;
private static $ci_loaded = false;
/**
*
* @throws Exception
*/
public function getInstance() {
$this->unsetNoticeErrorLevel();
if (function_exists('get_instance')) {
self::$ci_loaded = true;
}
if (!self::$ci_loaded) {
self::$ci_loaded = true;
if ($this->kernel->getContainer()->isScopeActive('request')) {
$this->setCiPaths($this->kernel->getContainer()->get('request'));
} else {
$this->setCiPaths();
}
require_once __DIR__.'/ci_bootstrap.php';
\ci_bootstrap($this->kernel, $this->override_controller_class, true); // load without calling code igniter method but initiating CI class
}
return \get_instance();
}
/**
* Return response from CI
*
* @param Request $request
* @return \Symfony\Component\HttpFoundation\Response
* @throws Exception
*/
public function getResponse(Request $request) {
if (self::$ci_loaded)
throw new \Exception('Can not create response for CodeIgniter controller, because another controller was already loaded.');
self::$ci_loaded = true;
$this->unsetNoticeErrorLevel();
$this->setCiPaths($request);
require_once __DIR__.'/ci_bootstrap.php';
ob_start();
/*
* --------------------------------------------------------------------
* LOAD THE BOOTSTRAP FILE
* --------------------------------------------------------------------
*
* And away we go...
*
*/
\ci_bootstrap($this->kernel);
$output = ob_get_clean();
return new \Symfony\Component\HttpFoundation\Response($output);
}
/**
* Returns CI APPPATH
*
* @return string Returns FALSE if path was not defined in config
*/
public function getAppPath() {
return $this->app_path;
}
/**
* Returns CI system path
*
* @return string Returns FALSE if path was not defined in config
*/
public function getSystemPath() {
return $this->system_path;
}
public function unsetNoticeErrorLevel(){
// code igniter likes notices
$errorlevel = error_reporting();
if ($errorlevel > 0) {
error_reporting($errorlevel & ~ E_NOTICE);
} elseif ($errorlevel < 0) {
error_reporting(E_ALL & ~ E_NOTICE);
}
}
}