bludit/bl-kernel/url.class.php

192 lines
4.0 KiB
PHP

<?php defined('BLUDIT') or die('Bludit CMS.');
class Url
{
private $uri;
private $uriStrlen;
private $whereAmI;
private $slug;
private $filters; // Filters for the URI
private $notFound;
private $parameters;
private $activeFilter;
function __construct()
{
// Decodes any %## encoding in the given string. Plus symbols ('+') are decoded to a space character.
$decode = urldecode($_SERVER['REQUEST_URI']);
// Remove parameters GET, I don't use parse_url because has problem with utf-8
$explode = explode('?', $decode);
$this->uri = $explode[0];
$this->parameters = $_GET;
$this->uriStrlen = Text::length($this->uri);
$this->whereAmI = 'home';
$this->notFound = false;
$this->slug = '';
$this->filters = array();
$this->activeFilter = '';
}
// Filters change for different languages
// Ex (Spanish): Array('post'=>'/publicacion/', 'tag'=>'/etiqueta/', ....)
// Ex (English): Array('post'=>'/post/', 'tag'=>'/tag/', ....)
public function checkFilters($filters)
{
// Store the admin filter and remove
$adminFilter['admin'] = $filters['admin'];
unset($filters['admin']);
// Sort filters by length
uasort($filters, array($this, 'sortByLength'));
// Push the admin filter first
$filters = $adminFilter + $filters;
$this->filters = $filters;
foreach($filters as $filterName=>$filterURI) {
// $slug will be FALSE if the filter is not included in the URI
$slug = $this->getSlugAfterFilter($filterURI);
if($slug!==false) {
$this->slug = $slug;
$this->whereAmI = $filterName;
$this->activeFilter = $filterURI;
// If the slug is empty
if( Text::isEmpty($slug) ) {
if($filterURI==='/') {
$this->whereAmI = 'home';
break;
}
if($filterURI===$adminFilter['admin']) {
$this->whereAmI = 'admin';
$this->slug = 'dashboard';
break;
}
$this->setNotFound(true);
}
break;
}
}
}
public function slug()
{
return $this->slug;
}
public function activeFilter()
{
return $this->activeFilter;
}
public function explodeSlug($delimiter="/")
{
return explode($delimiter, $this->slug);
}
public function uri()
{
return $this->uri;
}
// Return the filter used
public function filters($type, $trim=true)
{
$filter = $this->filters[$type];
if($trim) {
$filter = trim($filter, '/');
}
return $filter;
}
// Returns where is the user, home, pages, categories, tags..
public function whereAmI()
{
return $this->whereAmI;
}
public function setWhereAmI($where)
{
$GLOBALS['WHERE_AM_I'] = $where;
$this->whereAmI = $where;
}
public function notFound()
{
return $this->notFound;
}
public function pageNumber()
{
if(isset($this->parameters['page'])) {
return $this->parameters['page'];
}
return 0;
}
public function setNotFound($error=true)
{
$this->notFound = $error;
}
// Returns the slug after the $filter, the slug could be an empty string
// If the filter is not included in the uri, returns FALSE
// ex: http://domain.com/cms/$filter/slug123 => slug123
// ex: http://domain.com/cms/$filter/name/lastname => name/lastname
// ex: http://domain.com/cms/$filter/ => empty string
// ex: http://domain.com/cms/$filter => empty string
private function getSlugAfterFilter($filter)
{
// Remove both slash from the filter
$filter = trim($filter, '/');
// Add to the filter the root directory
$filter = HTML_PATH_ROOT.$filter;
// Check if the filter is in the uri.
$position = Text::stringPosition($this->uri, $filter);
// If the position is FALSE, the filter isn't in the URI.
if($position===false) {
return false;
}
// Start position to cut
$start = $position + Text::length($filter);
// End position to cut
$end = $this->uriStrlen;
// Get the slug from the URI
$slug = Text::cut($this->uri, $start, $end);
if(Text::isEmpty($slug)) {
return '';
}
if($slug[0]=='/') {
return ltrim($slug, '/');
}
if($filter==HTML_PATH_ROOT) {
return $slug;
}
return false;
}
private function sortByLength($a, $b)
{
return strlen($b)-strlen($a);
}
}