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mod_rewrite_helper.php
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Created
Fri, Nov 14, 11:10 PM

mod_rewrite_helper.php
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<?php
class kModRewriteHelper extends kHelper {
function kModRewriteHelper()
{
parent::kHelper();
$this->HTTPQuery =& $this->Application->recallObject('HTTPQuery');
}
function SetDefaultValues(&$vars)
{
$defaults = Array('m_cat_id' => 0, 'm_cat_page' => 1, 'm_opener' => 's');
foreach ($defaults as $default_key => $default_value)
{
if ($this->HTTPQuery->Get($default_key) == null) {
$vars[$default_key] = $default_value;
}
}
}
function ProcessLanguage(&$url_parts, &$vars)
{
if (!isset($url_parts[0])) return false;
$res = false;
$url_part = array_shift($url_parts);
$sql = 'SELECT LanguageId FROM '.TABLE_PREFIX.'Language WHERE LOWER(PackName) = '.$this->Conn->qstr($url_part).' AND Enabled = 1';
$language_id = $this->Conn->GetOne($sql);
$this->Application->Phrases = new PhrasesCache();
if($language_id)
{
$vars['m_lang'] = $language_id;
$res = true;
}
$this->Application->VerifyLanguageId();
if (!$res) {
array_unshift($url_parts, $url_part);
}
return $res;
}
function ProcessTheme(&$url_parts, &$vars)
{
if (!isset($url_parts[0])) return false;
$res = false;
$url_part = array_shift($url_parts);
$sql = 'SELECT ThemeId FROM '.TABLE_PREFIX.'Theme WHERE LOWER(Name) = '.$this->Conn->qstr($url_part).' AND Enabled = 1';
$theme_id = $this->Conn->GetOne($sql);
if($theme_id)
{
$vars['m_theme'] = $theme_id;
$res = true;
}
$this->Application->VerifyThemeId(); // verify anyway - will set default if not found!!!
if (!$res) {
array_unshift($url_parts, $url_part);
}
return $res;
}
function ProcessCategory(&$url_parts, &$vars)
{
if (!isset($url_parts[0])) return false;
$res = false;
$url_part = array_shift($url_parts);
$category_id = 0;
$last_category_id = 0;
$category_path = '';
do
{
$category_path = trim($category_path.'/'.$url_part, '/');
if( preg_match('/(.*)_([\d]+)$/', $category_path, $rets) )
{
$category_path = $rets[1];
$vars['m_cat_page'] = $rets[2];
}
$category_id = $this->Conn->GetOne(
'SELECT CategoryId
FROM '.TABLE_PREFIX.'Category
WHERE Status = 1 AND NamedParentPath = '.$this->Conn->qstr($category_path));
if ($category_id !== false) {
$last_category_id = $category_id;
$url_part = array_shift($url_parts);
$res = true;
}
} while ($category_id !== false && $url_part);
$vars['m_cat_id'] = $last_category_id;
if ($url_part) {
array_unshift($url_parts, $url_part);
}
return $res;
}
function ProcessModuleIndex(&$url_parts, &$vars)
{
if ( count($url_parts) > 1) return false; // if no more parts or only 1 part left
if ( $url_parts && $url_parts[0] == 'index') { // treat index same as no parts
array_shift($url_parts);
}
if( $url_parts ) { // if parts are left, it can only be module page
if (!is_numeric($url_parts[0])) return false;
// set module pages for all modules, since we don't know which module will need it
foreach ($this->Application->ModuleInfo as $module_name => $module_data)
{
$vars[ $module_data['Var'].'_id'] = 0;
$vars[ $module_data['Var'].'_Page'] = $url_parts[0];
$vars[ $module_data['Var'].'_Reviews_Page'] = 0;
}
}
// try to find CMS index page of the category
if ($this->Application->isModuleEnabled('In-CMS')) {
$sql = 'SELECT p.Path, ci.CategoryId FROM '.TABLE_PREFIX.'Pages AS p
LEFT JOIN '.TABLE_PREFIX.'CategoryItems AS ci
ON ci.ItemResourceId = p.ResourceId
WHERE
p.IsIndex = 1
AND
p.Status = 1
AND
CategoryId = '.$vars['m_cat_id'].'
AND
ci.PrimaryCat = 1';
$template_found = $this->Conn->GetRow($sql);
if ($template_found !== false) {
$vars['t'] = $template_found['Path'];
return true;
}
}
$sql = 'SELECT CachedCategoryTemplate
FROM '.TABLE_PREFIX.'Category
WHERE CategoryId = '.$vars['m_cat_id'];
$vars['t'] = $this->Conn->GetOne($sql);
if (!$vars['t']) $vars['t'] = 'index';
return true;
}
function ProcessModuleItem(&$url_parts, &$vars, $set_t=true)
{
if (preg_match('/^bb_.*/', $url_parts[0])) {
$cat_item = $this->Conn->GetRow('
SELECT c.ParentPath, c.CategoryId FROM '.TABLE_PREFIX.'Category AS c
WHERE
c.CategoryId = '.$vars['m_cat_id']);
if ($set_t) {
$item_template = $this->GetItemTemplate($cat_item, 'bb');
$vars['t'] = $item_template;
}
$this->Application->HandleEvent($bb_event, 'bb:ParseEnv', Array('url_parts' => $url_parts, 'vars' => $vars));
$vars = $bb_event->getEventParam('vars');
return 'bb';
}
if (!isset($url_parts[0])) return false;
if ( count($url_parts) != 1 ) return false;
$url_part = array_shift($url_parts);
// match module reviews page
$page = 1;
if( preg_match('/(.*)_([\d]+)$/', $url_part, $rets) )
{
$url_part = $rets[1];
$page = $rets[2];
}
// locating the item in CategoryItems by filename to detect its ItemPrefix and its category ParentPath
$cat_item = $this->Conn->GetRow('
SELECT ci.ItemResourceId, ci.ItemPrefix, c.ParentPath, ci.CategoryId FROM '.TABLE_PREFIX.'CategoryItems AS ci
LEFT JOIN '.TABLE_PREFIX.'Category AS c
ON c.CategoryId = ci.CategoryId
WHERE
ci.CategoryId = '.$vars['m_cat_id'].'
AND
ci.Filename = '.$this->Conn->qstr($url_part));
if ($cat_item !== false) { // item found
$module_prefix = $cat_item['ItemPrefix'];
$item_template = $this->GetItemTemplate($cat_item, $module_prefix);
// converting ResourceId to correpsonding Item id
$module_config = $this->Application->getUnitOptions($module_prefix);
$item_id = $this->Conn->GetOne(
'SELECT '.$module_config['IDField'].' FROM '.$module_config['TableName'].'
WHERE ResourceId = '.$cat_item['ItemResourceId']
);
if ((!$set_t || $item_template) && $item_id) {
if ($set_t) {
$vars['t'] = $item_template;
}
$vars[ $module_prefix.'_id' ] = $item_id;
$vars[ $module_prefix.'_Reviews_Page' ] = $page;
return $module_prefix;
}
}
array_unshift($url_parts, $url_part);
return false;
}
function GetItemTemplate($category, $module_prefix)
{
if (!is_array($category)) {
$category = $this->Conn->GetRow('
SELECT c.ParentPath, c.CategoryId FROM '.TABLE_PREFIX.'Category AS c
WHERE
c.CategoryId = '.$category);
}
$parent_path = implode(',',explode('|', substr($category['ParentPath'], 1, -1)));
// item template is stored in module' system custom field - need to get that field Id
$item_template_field_id = $this->Conn->GetOne(
'SELECT CustomFieldId
FROM '.TABLE_PREFIX.'CustomField
WHERE FieldName = '.$this->Conn->qstr($module_prefix.'_ItemTemplate'));
// looking for item template through cats hierarchy sorted by parent path
$query = 'SELECT ccd.l1_cust_'.$item_template_field_id.',
FIND_IN_SET(c.CategoryId, '.$this->Conn->qstr($parent_path).') AS Ord1,
c.CategoryId, c.Name, ccd.l1_cust_'.$item_template_field_id.'
FROM '.TABLE_PREFIX.'Category AS c
LEFT JOIN '.TABLE_PREFIX.'CategoryCustomData AS ccd
ON ccd.ResourceId = c.ResourceId
WHERE c.CategoryId IN ('.$parent_path.') AND ccd.l1_cust_'.$item_template_field_id.' != \'\'
ORDER BY FIND_IN_SET(c.CategoryId, '.$this->Conn->qstr($parent_path).') DESC';
$item_template = $this->Conn->GetOne($query);
return $item_template;
}
function ProcessPhisycalTemplate(&$url_parts, &$vars)
{
if (!isset($url_parts[0])) return false;
$remaining = array();
do
{
$template_path = implode('/', $url_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(!$template_found)
{
array_unshift($remaining, array_pop($url_parts));
}
} while (!$template_found && $url_parts);
$url_parts = $remaining;
if ($template_found) {
$vars['t'] = $template_path;
return true;
}
return false;
}
/**
* Checks if whole url_parts matches a whole In-CMS page
*
* @param array $url_parts
* @return boolean
*/
function ProcessVirtualTemplate(&$url_parts, &$vars)
{
if (!isset($url_parts[0]) || !$this->Application->isModuleEnabled('In-CMS')) return false;
$template_path = implode('/', $url_parts);
$sql = 'SELECT p.PageId, ci.CategoryId FROM '.TABLE_PREFIX.'Pages AS p
LEFT JOIN '.TABLE_PREFIX.'CategoryItems AS ci
ON ci.ItemResourceId = p.ResourceId
WHERE
Path = '.$this->Conn->qstr($template_path).'
AND
ci.PrimaryCat = 1
AND
p.Status = 1';
$template_found = $this->Conn->GetRow($sql);
if ($template_found) {
$vars['m_cat_id'] = $template_found['CategoryId'];
$vars['t'] = $template_path;
return true;
}
return false;
}
function processRewriteURL()
{
$passed = array();
$url = $this->HTTPQuery->Get('_mod_rw_url_');
if( substr($url, -5) == '.html' ) $url = substr($url, 0, strlen($url) - 5 );
$restored = false;
$cache = $this->Conn->GetRow('SELECT Data, Cached FROM '.TABLE_PREFIX.'Cache WHERE VarName = "mod_rw_'.md5($url).'"');
if (false && $cache && $cache['Cached'] > 0) {
$cache = unserialize($cache['Data']);
$vars = $cache['vars'];
$passed = $cache['passed'];
$restored = true;
}
else {
$passed = array();
$vars = $this->parseRewriteURL($url,$passed);
$cache = array('vars'=>$vars,'passed'=>$passed);
$this->Conn->Query('REPLACE '.TABLE_PREFIX.'Cache (VarName, Data, Cached) VALUES ("mod_rw_'.md5($url).'", '.$this->Conn->qstr(serialize($cache)).', '.adodb_mktime().')');
}
foreach ($vars as $name => $value)
{
$this->HTTPQuery->Set($name,$value);
}
if ($restored) {
$this->InitAll();
}
$this->HTTPQuery->finalizeParsing($passed);
}
function InitAll()
{
$this->Application->Phrases = new PhrasesCache();
$this->Application->VerifyLanguageId();
$this->Application->Phrases->Init('phrases');
$this->Application->VerifyThemeId();
}
function parseRewriteURL($url, &$passed)
{
$vars = $this->Conn->GetRow('SELECT Data, Cached FROM '.TABLE_PREFIX.'Cache WHERE VarName = "mod_rw_'.md5($url).'"');
if (false && $vars && $vars['Cached'] > 0) {
$vars = unserialize($menu['Data']);
return $vars;
}
$vars = array();
$url_parts = $url ? explode('/', $url) : Array();
$process_module = true;
if($this->HTTPQuery->Get('rewrite') == 'on' || !$url_parts)
{
$this->SetDefaultValues($vars);
}
if(!$url_parts)
{
$this->InitAll();
$vars['t'] = $this->HTTPQuery->getDefaultTemplate('');
$passed[] = 'm';
return $vars;
}
else
{
$vars['t'] = '';
}
$passed = Array('m');
$this->ProcessLanguage($url_parts, $vars);
$this->ProcessTheme($url_parts, $vars);
if ( $this->ProcessVirtualTemplate($url_parts, $vars) ) {
return $vars;
}
$this->ProcessCategory($url_parts, $vars);
if ( $this->ProcessModuleIndex($url_parts, $vars) ) {
foreach ($this->Application->ModuleInfo as $module_name => $info) {
$passed[] = $info['Var'];
}
return $vars;
}
if ( $module_prefix = $this->ProcessModuleItem($url_parts, $vars) ) {
$passed[] = $module_prefix;
return $vars;
}
/*// 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;
}
}
}*/
if ( $this->ProcessPhisycalTemplate($url_parts, $vars) ) {
if (!$url_parts) {
return $vars;
}
}
if ( $module_prefix = $this->ProcessModuleItem($url_parts, $vars, false) ) {
$passed[] = $module_prefix;
return $vars;
}
$not_found = $this->Application->ConfigValue('ErrorTemplate');
$vars['t'] = $not_found ? $not_found : 'error_notfound';
header('HTTP/1.0 404 Not Found');
return $vars;
// $this->HTTPQuery->finalizeParsing($passed, $module_params);
// pass params left to module
/*$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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