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<?php
/**
* Kunena Component
* @package Kunena.Site
*
* @copyright (C) 2008 - 2014 Kunena Team. All rights reserved.
* @license http://www.gnu.org/copyleft/gpl.html GNU/GPL
* @link http://www.kunena.org
**/
defined ( '_JEXEC' ) or die ();
jimport('joomla.error.profiler');
/**
* Build SEF URL
*
* All SEF URLs are formatted like this:
*
* http://site.com/menuitem/1-category-name/10-subject/[view]/[layout]/[param1]-value1/[param2]-value2?param3=value3¶m4=value4
*
* - If catid exists, category will always be in the first segment
* - If there is no catid, second segment for message will not be used (param-value: id-10)
* - [view] and [layout] are the only parameters without value
* - all other segments (task, id, userid, page, sel) are using param-value format
*
* NOTE! Only major variables are using SEF segments
*
* @param $query
* @return array Segments
*/
function KunenaBuildRoute(&$query) {
$segments = array ();
// If Kunena Forum isn't installed or SEF is not enabled, do nothing
if (!class_exists('KunenaForum') || !KunenaForum::isCompatible('3.0') || !KunenaForum::installed() || !KunenaRoute::$config->sef) {
return $segments;
}
KUNENA_PROFILER ? KunenaProfiler::instance()->start('function '.__FUNCTION__.'()') : null;
// Get menu item
$menuitem = null;
if (isset ( $query ['Itemid'] )) {
static $menuitems = array();
$Itemid = $query ['Itemid'] = (int) $query ['Itemid'];
if (!isset($menuitems[$Itemid])) {
$menuitems[$Itemid] = JFactory::getApplication()->getMenu ()->getItem ( $Itemid );
if (!$menuitems[$Itemid]) {
// Itemid doesn't exist or is invalid
unset ($query ['Itemid']);
}
}
$menuitem = $menuitems[$Itemid];
}
// Safety check: we need view in order to create SEF URLs
if (!isset($menuitem->query['view']) && empty($query ['view'])) {
KUNENA_PROFILER ? KunenaProfiler::instance()->stop('function '.__FUNCTION__.'()') : null;
return $segments;
}
// Get view for later use (query wins menu item)
$view = isset ( $query ['view'] ) ? (string) preg_replace( '/[^a-z]/', '', $query ['view'] ) : $menuitem->query ['view'];
// Get default values for URI variables
if (isset(KunenaRoute::$views[$view])) {
$defaults = KunenaRoute::$views[$view];
}
// Check all URI variables and remove those which aren't needed
foreach ( $query as $var => $value ) {
if (isset ( $defaults [$var] ) && !isset ( $menuitem->query [$var] ) && $value == $defaults [$var] ) {
// Remove URI variable which has default value
unset ( $query [$var] );
} elseif ( isset ( $menuitem->query [$var] ) && $value == $menuitem->query [$var] && $var != 'Itemid' && $var != 'option' ) {
// Remove URI variable which has the same value as menu item
unset ( $query [$var] );
}
}
// We may have catid also in the menu item (it will not be in URI)
$numeric = !empty ( $menuitem->query ['catid'] );
// Support URIs like: /forum/12-my_category
if (!empty ( $query ['catid'] ) && ($view == 'category' || $view == 'topic' || $view == 'home')) {
// TODO: ensure that we have view=category/topic
$catid = ( int ) $query ['catid'];
if ($catid) {
$numeric = true;
$alias = KunenaForumCategoryHelper::get($catid)->alias;
// If category alias is empty, use category id; otherwise use alias
$segments [] = empty ( $alias ) ? $catid : $alias;
// This segment fully defines category view so the variable is no longer needed
if ($view == 'category') {
unset ( $query ['view'] );
}
}
unset ( $query ['catid'] );
}
// Support URIs like: /forum/12-category/123-topic
if (!empty ( $query ['id'] ) && $numeric) {
$id = (int) $query ['id'];
if ($id) {
$subject = KunenaRoute::stringURLSafe ( KunenaForumTopicHelper::get($id)->subject );
if (empty ( $subject )) {
$segments [] = $id;
} else {
$segments [] = "{$id}-{$subject}";
}
// This segment fully defines topic view so the variable is no longer needed
if ($view == 'topic') {
unset ( $query ['view'] );
}
}
unset ( $query ['id'] );
} else {
// No id available, do not use numeric variable for mesid
$numeric = false;
}
// View gets added only when we do not use short URI for category/topic
if (!empty ( $query ['view'] )) {
// Use filtered value
$segments [] = $view;
}
// Support URIs like: /forum/12-category/123-topic/reply
if (!empty ( $query ['layout'] )) {
// Use filtered value
$segments [] = (string) preg_replace( '/[^a-z]/', '', $query ['layout'] );
}
// Support URIs like: /forum/12-category/123-topic/reply/124
if (isset ( $query ['mesid'] ) && $numeric) {
$segments [] = (int) $query ['mesid'];
unset ( $query ['mesid'] );
}
// Support URIs like: /forum/user/128-matias
if (isset ( $query ['userid'] ) && $view == 'user') {
$segments [] = (int) $query ['userid'] .'-'.KunenaRoute::stringURLSafe ( KunenaUserHelper::get((int)$query ['userid'])->getName() );
unset ( $query ['userid'] );
}
unset ( $query ['view'], $query ['layout'] );
// Rest of the known parameters are in var-value form
foreach ( KunenaRoute::$parsevars as $var=>$dummy ) {
if (isset ( $query [$var] )) {
$segments [] = "{$var}-{$query[$var]}";
unset ( $query [$var] );
}
}
KUNENA_PROFILER ? KunenaProfiler::instance()->stop('function '.__FUNCTION__.'()') : null;
return $segments;
}
function KunenaParseRoute($segments) {
// If Kunena Forum isn't installed do nothing
if (!class_exists('KunenaForum') || !KunenaForum::isCompatible('3.0') || !KunenaForum::installed()) {
return array();
}
$profiler = JProfiler::getInstance('Application');
KUNENA_PROFILER ? $profiler->mark('kunenaRoute') : null;
$starttime = $profiler->getmicrotime();
// Get current menu item and get query variables from it
$active = JFactory::getApplication()->getMenu ()->getActive ();
$vars = isset ( $active->query ) ? $active->query : array ('view'=>'home');
if (empty($vars['view']) || $vars['view']=='home' || $vars['view']=='entrypage') {
$vars['view'] = '';
}
// Use category SEF feature?
$sefcats = isset(KunenaRoute::$sefviews[$vars['view']]) && empty($vars ['id']);
// Handle all segments
while ( ($segment = array_shift ( $segments )) !== null ) {
// Skip //
if (!$segment) continue;
if ($sefcats && class_exists('KunenaRoute') && method_exists('KunenaRoute', 'resolveAlias')) {
// Find out if we have SEF alias (category, view or layout)
$alias = strtr ( $segment, ':', '-' );
$variables = KunenaRoute::resolveAlias($alias);
if ($variables) {
$sefcats = false;
$vars = $variables + $vars;
continue;
}
}
$sefcats = false;
// Generate variable and value
$seg = explode ( ':', $segment );
$var = array_shift ( $seg );
$value = array_shift ( $seg );
if (empty ( $var ) && empty ( $value )) {
// Skip /-/
continue;
}
if (is_numeric ( $var )) {
// Handle variables starting by number
$value = (int) $var;
if ($vars['view'] == 'user') {
// Special case: User view
$var = 'userid';
} elseif (empty($vars ['catid'])) {
// First number is always category
$var = 'catid';
$vars ['view'] = 'category';
} elseif (empty($vars ['id'])) {
// Second number is always topic
$var = 'id';
$vars ['view'] = 'topic';
$sefcats = false;
} elseif (empty($vars ['mesid'])) {
// Third number is always message
$var = 'mesid';
$vars ['view'] = 'topic';
} else {
// Invalid parameter, skip it
continue;
}
} elseif ($value === null) {
// Simple variable without value is always either view or layout
$value = $var;
if (empty($vars ['view']) || ($value=='topic' && $vars ['view'] == 'category')) {
// View
$var = 'view';
} elseif (empty($vars ['layout'])) {
// Layout
$var = 'layout';
} elseif (!empty($vars ['view'])) {
// Unknown parameter: skip
if (!empty($vars ['view'])) continue;
} else {
// Unknown view or non-existing category
$var = 'view';
}
}
$vars [$var] = $value;
}
if (empty($vars ['layout'])) $vars ['layout'] = 'default';
KunenaRoute::$time = $profiler->getmicrotime() - $starttime;
foreach ($vars as $var => $value) {
KunenaRoute::$current->setVar($var, $value);
}
return $vars;
}