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|
<?php
namespace Kanboard\Core\Http;
use RuntimeException;
use Kanboard\Core\Base;
/**
* Route Handler
*
* @package http
* @author Frederic Guillot
*/
class Route extends Base
{
/**
* Flag that enable the routing table
*
* @access private
* @var boolean
*/
private $activated = false;
/**
* Store routes for path lookup
*
* @access private
* @var array
*/
private $paths = array();
/**
* Store routes for url lookup
*
* @access private
* @var array
*/
private $urls = array();
/**
* Enable routing table
*
* @access public
* @return Route
*/
public function enable()
{
$this->activated = true;
return $this;
}
/**
* Add route
*
* @access public
* @param string $path
* @param string $controller
* @param string $action
* @param string $plugin
* @return Route
*/
public function addRoute($path, $controller, $action, $plugin = '')
{
if ($this->activated) {
$path = ltrim($path, '/');
$items = explode('/', $path);
$params = $this->findParams($items);
$this->paths[] = array(
'items' => $items,
'count' => count($items),
'controller' => $controller,
'action' => $action,
'plugin' => $plugin,
);
$this->urls[$plugin][$controller][$action][] = array(
'path' => $path,
'params' => $params,
'count' => count($params),
);
}
return $this;
}
/**
* Find a route according to the given path
*
* @access public
* @param string $path
* @return array
*/
public function findRoute($path)
{
$items = explode('/', ltrim($path, '/'));
$count = count($items);
foreach ($this->paths as $route) {
if ($count === $route['count']) {
$params = array();
for ($i = 0; $i < $count; $i++) {
if ($route['items'][$i]{0} === ':') {
$params[substr($route['items'][$i], 1)] = $items[$i];
} elseif ($route['items'][$i] !== $items[$i]) {
break;
}
}
if ($i === $count) {
$this->request->setParams($params);
return array(
'controller' => $route['controller'],
'action' => $route['action'],
'plugin' => $route['plugin'],
);
}
}
}
return array(
'controller' => 'app',
'action' => 'index',
'plugin' => '',
);
}
/**
* Find route url
*
* @access public
* @param string $controller
* @param string $action
* @param array $params
* @param string $plugin
* @return string
*/
public function findUrl($controller, $action, array $params = array(), $plugin = '')
{
if ($plugin === '' && isset($params['plugin'])) {
$plugin = $params['plugin'];
unset($params['plugin']);
}
if (! isset($this->urls[$plugin][$controller][$action])) {
return '';
}
foreach ($this->urls[$plugin][$controller][$action] as $route) {
if (array_diff_key($params, $route['params']) === array()) {
$url = $route['path'];
$i = 0;
foreach ($params as $variable => $value) {
$url = str_replace(':'.$variable, $value, $url);
$i++;
}
if ($i === $route['count']) {
return $url;
}
}
}
return '';
}
/**
* Find url params
*
* @access public
* @param array $items
* @return array
*/
public function findParams(array $items)
{
$params = array();
foreach ($items as $item) {
if ($item !== '' && $item{0} === ':') {
$params[substr($item, 1)] = true;
}
}
return $params;
}
}
|
