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mod_rewrite_helper.php
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Created
Fri, Nov 21, 5:28 AM

mod_rewrite_helper.php
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<?php
class kModRewriteHelper extends kHelper {
function kModRewriteHelper()
{
parent::kHelper();
$this->HTTPQuery =& $this->Application->recallObject('HTTPQuery');
}
function processRewriteURL()
{
// directory_1_2_3/sc1/inlink/detail/3/l1_ka_asd.html
$url = $this->HTTPQuery->Get('_mod_rw_url_');
if( substr($url, -5) == '.html' ) $url = substr($url, 0, strlen($url) - 5 );
$url_parts = $url ? explode('/', $url) : Array();
$process_module = true;
if($this->HTTPQuery->Get('rewrite') == 'on' || !$url_parts)
{
// set default values
$defaults = Array('m_cat_id' => 0, 'm_cat_page' => 1, 'm_opener' => 's');
foreach ($defaults as $default_key => $default_value)
{
if ($this->HTTPQuery->Get($default_key) == null) {
$this->HTTPQuery->Set($default_key, $default_value);
}
}
}
if(!$url_parts)
{
$this->Application->Phrases = new PhrasesCache();
$this->Application->VerifyLanguageId();
$this->Application->Phrases->Init('phrases');
$this->Application->VerifyThemeId();
$this->HTTPQuery->Set('t', $this->HTTPQuery->getDefaultTemplate('') );
$this->HTTPQuery->finalizeParsing(Array('m'));
return false;
}
else
{
$this->HTTPQuery->Set('t', '');
}
$url_part = array_shift($url_parts);
// match language
$sql = 'SELECT LanguageId FROM '.TABLE_PREFIX.'Language WHERE LOWER(PackName) = '.$this->Conn->qstr($url_part).' AND Enabled = 1';
$language_id = $this->Conn->GetOne($sql);
$this->Application->Phrases = new PhrasesCache();
if($language_id)
{
$this->HTTPQuery->Set('m_lang', $language_id);
$url_part = $url_parts ? array_shift($url_parts) : ''; // prepare next url part for parsing
}
$this->Application->VerifyLanguageId();
// $this->HTTPQuery->Get('m_lang') );
// match theme
if($url_part)
{
$sql = 'SELECT ThemeId FROM '.TABLE_PREFIX.'Theme WHERE LOWER(Name) = '.$this->Conn->qstr($url_part).' AND Enabled = 1';
$theme_id = $this->Conn->GetOne($sql);
if($theme_id)
{
$this->HTTPQuery->Set('m_theme', $theme_id);
$url_part = $url_parts ? array_shift($url_parts) : ''; // prepare next url part for parsing
}
}
$this->Application->VerifyThemeId(); // verify anyway - will set default if not found!!!
// match category
$category_id = 0;
if($url_part)
{
$category_stack = Array();
$category_found = false;
$category_path = '';
$rets = Array(); // just in case someone has used this variable before
do
{
$category_path = trim($category_path.'/'.$url_part, '/');
if( preg_match('/(.*)_([\d]+)$/', $category_path, $rets) )
{
$category_path = $rets[1];
$this->HTTPQuery->Set('m_cat_page', $rets[2]);
}
if ($category_path == '') {
// this is "Home" virtual category
array_push($category_stack, 0);
}
else {
$sql = 'SELECT CategoryId
FROM '.TABLE_PREFIX.'Category
WHERE NamedParentPath = '.$this->Conn->qstr($category_path);
array_push($category_stack, $this->Conn->GetOne($sql) );
}
$category_found = end($category_stack);
if ($category_found !== false) $url_part = array_shift($url_parts);
}while ($category_found && $url_part);
if (count($category_stack)) {
$category_id = array_pop($category_stack); // remove last not found category
if($category_id === false)
{
$category_id = array_pop($category_stack);
}
if($category_id !== false)
{
$this->HTTPQuery->Set('m_cat_id', $category_id);
}
}
elseif (!$category_found && getArrayValue($rets, 2)) {
$url_part = array_shift($url_parts);
}
}
if (!$url_part) {
// no more parts left in url
$process_module = false;
$sql = 'SELECT CachedCategoryTemplate
FROM '.TABLE_PREFIX.'Category
WHERE CategoryId = '.$category_id;
$category_template = $this->Conn->GetOne($sql);
if ($category_template) {
$category_template = explode('/', $category_template);
$url_part = array_shift($category_template);
$url_parts = $category_template;
}
else {
$url_part = 'index';
}
}
elseif ($url_part && count($url_parts) <= 1 && $category_id) {
// only filename left, no other parts
$process_module = false;
$sql = 'SELECT ParentPath, CachedItemTemplate, CachedCategoryTemplate
FROM '.TABLE_PREFIX.'Category
WHERE CategoryId = '.$category_id;
$category_data = $this->Conn->GetRow($sql);
$root_category_id = array_shift( explode('|', substr($category_data['ParentPath'], 1, -1)) );
$module_info = $this->Application->findModule('RootCat', $root_category_id);
if ($module_info) {
$module_prefix = $module_info['Var'];
$module_event = new kEvent($module_prefix.':ParseEnv', Array('url_parts' => array_merge(Array($url_part), $url_parts)) );
$this->Application->HandleEvent($module_event);
if ($module_event->status == erSUCCESS && $this->HTTPQuery->Get($module_prefix.'_id')) {
$item_template = $category_data['CachedItemTemplate'];
if ($item_template) {
$url_parts = explode('/', $item_template);
array_push($url_parts, $url_part); // save item's filename as not processed
$url_part = array_shift($url_parts);
}
}
elseif (!$module_event->getEventParam('url_parts')) {
// parseEnv has processed that param
$url_part = '';
$category_template = $category_data['CachedCategoryTemplate'];
if ($category_template) {
$category_template = explode('/', $category_template);
$url_part = array_shift($category_template);
$url_parts = $category_template;
}
else {
$url_part = 'index';
}
}
}
}
// match module
$next_template = $this->HTTPQuery->Get('next_template');
if($url_part || $next_template)
{
if($next_template)
{
$next_template_parts = explode('/', $next_template);
$module_folder = array_shift($next_template_parts);
}
else
{
$module_folder = $url_part;
}
foreach ($this->Application->ModuleInfo as $module_name => $module_data)
{
if( trim($module_data['TemplatePath'], '/') == $module_folder )
{
$module_prefix = $module_data['Var'];
break;
}
}
}
// match template
$template_path = '';
$template_found = false;
if($url_part)
{
// search for template in real template records
array_unshift($url_parts, $url_part);
$template_parts = $url_parts;
$url_parts = Array();
do
{
$template_path = implode('/', $template_parts);
$t_parts['path'] = dirname($template_path) == '.' ? '' : '/'.dirname($template_path);
$t_parts['file'] = basename($template_path);
$sql = 'SELECT FileId
FROM '.TABLE_PREFIX.'ThemeFiles
WHERE (FilePath = '.$this->Conn->qstr($t_parts['path']).') AND (FileName = '.$this->Conn->qstr($t_parts['file'].'.tpl').')';
// $sql = 'SELECT FileId FROM '.TABLE_PREFIX.'ThemeFiles WHERE CONCAT(FilePath, "/", FileName) = '.$this->Conn->qstr('/'.$template_path.'.tpl');
$template_found = $this->Conn->GetOne($sql);
if(!$template_found)
{
array_unshift( $url_parts, array_pop($template_parts) );
}
}while (!$template_found && $template_parts);
// try to find template in virtual templates in case if such ability exists
if ($this->Application->isModuleEnabled('In-CMS') && !$template_found) {
$template_parts = $url_parts;
$url_parts = Array();
do
{
$template_path = implode('/', $template_parts);
$sql = 'SELECT PageId FROM '.TABLE_PREFIX.'Pages WHERE Path = '.$this->Conn->qstr($template_path);
$template_found = $this->Conn->GetOne($sql);
if(!$template_found)
{
array_unshift( $url_parts, array_pop($template_parts) );
}
}while (!$template_found && $template_parts);
}
}
// guess template if no existing template found
if(!$template_found && isset($module_folder) && $module_folder)
{
// 1. try index template of module
$sql = 'SELECT FileId FROM '.TABLE_PREFIX.'ThemeFiles WHERE CONCAT(FilePath, "/", FileName) = '.$this->Conn->qstr('/'.$module_folder.'/index.tpl');
$template_found = $this->Conn->GetOne($sql);
if($template_found)
{
$template_path = $module_folder.'/index';
array_shift($url_parts);
}
else
{
// 2. return error template then
$template_found = true;
$template_path = $this->Application->ConfigValue('ErrorTemplate');
if(!$template_path) $template_path = 'error_notfound';
header('HTTP/1.0 404 Not Found');
}
}
$this->HTTPQuery->Set('t', $this->HTTPQuery->getDefaultTemplate($template_found ? $template_path : '') );
// pass params left to module
$this->Application->Phrases->Init('phrases');
$passed = Array('m');
$module_params = Array();
if ( isset($module_prefix) ) {
$passed[] = $module_prefix;
$module_event = new kEvent($module_prefix.':ParseEnv', Array('url_parts' => $url_parts) );
if ($process_module) {
$this->Application->HandleEvent($module_event);
}
$item_id = $this->HTTPQuery->Get($module_prefix.'_id');
$module_params = Array($module_prefix.'_id' => $item_id ? $item_id : '0' );
if ($module_event->status == erFAIL) {
$not_found = $this->Application->ConfigValue('ErrorTemplate');
$this->HTTPQuery->Set('t', $not_found ? $not_found : 'error_notfound' );
}
}
$this->HTTPQuery->finalizeParsing($passed, $module_params);
}
}
?>

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