/public/shop/admin/controller/pages/tool/cache.php

<?php
/*------------------------------------------------------------------------------
  $Id$

  Shopping Cart
  http://dev.club4causes.com/shop

  Club4Causes v1.0

  This source file is subject to Open Software License (OSL 3.0)
  License details is bundled with this package in the file LICENSE.txt.
  It is also available at this URL:
  <http://www.opensource.org/licenses/OSL-3.0>

 UPGRADE NOTE:
   Do not edit or add to this file if you wish to upgrade Shopping Cart to newer
   versions in the future. If you wish to customize Shopping Cart for your
   needs please refer to http://dev.club4causes.com/shop for more information.
------------------------------------------------------------------------------*/
if (! defined ( 'DIR_CORE' ) || !IS_ADMIN) {
	header ( 'Location: static_pages/' );
}
class ControllerPagesToolCache extends AController {
	private $error = array();
	public $data;
	public function main() {
		//init controller data
        $this->extensions->hk_InitData($this,__FUNCTION__);

		$this->document->setTitle($this->language->get('heading_title'));
		

   		$this->document->initBreadcrumb( array (
       		'href'      => $this->html->getSecureURL('index/home'),
       		'text'      => $this->language->get('text_home'),
      		'separator' => FALSE
   		 ));
   		$this->document->addBreadcrumb( array ( 
       		'href'      => $this->html->getSecureURL('tool/cache'),
       		'text'      => $this->language->get('heading_title'),
      		'separator' => ' :: '
   		 ));
		
		$this->data['sections'] = array(
			array(
				'id' => 'configuration',
				'text' => $this->language->get('text_configuration'),
				'description' => $this->language->get('desc_configuration'),
				'keywords' => 'settings,store,stores,attribute,attributes,length_class,contents,tax_class,order_status,stock_status,weight_class,storefront_menu,tables' // separated by comma
			),
			array(
				'id' => 'layout',
				'text' => $this->language->get('text_layouts_blocks'),
				'description' => $this->language->get('desc_layouts_blocks'),
				'keywords' => 'layout'
			),
			array(
				'id' => 'flexyforms',
				'text' => $this->language->get('text_flexyforms'),
				'description' => $this->language->get('desc_flexyforms'),
				'keywords' => 'forms'
			),
			array(
				'id' => 'translation',
				'text' => $this->language->get('text_translations'),
				'description' => $this->language->get('desc_translations'),
				'keywords' => 'lang'
			),
			array(
				'id' => 'image',
				'text' => $this->language->get('text_images'),
				'description' => $this->language->get('desc_images'),
				'keywords' => 'image,resources'
			),
			array(
				'id' => 'product',
				'text' => $this->language->get('text_products'),
				'description' => $this->language->get('desc_products'),
				'keywords' => 'product'
			),
			array(
				'id' => 'category',
				'text' => $this->language->get('text_categories'),
				'description' => $this->language->get('desc_categories'),
				'keywords' => 'category'
			),
			array(
				'id' => 'manufacturer',
				'text' => $this->language->get('text_manufacturers'),
				'description' => $this->language->get('desc_manufacturers'),
				'keywords' => 'manufacturer'
			),
			array(
				'id' => 'localisation',
				'text' => $this->language->get('text_localisations'),
				'description' => $this->language->get('desc_localisations'),
				'keywords' => 'currency,country,zone,language'
			),
			array(
				'id' => 'error_log',
				'text' => $this->language->get('text_error_log'),
				'description' => $this->language->get('desc_error_log'),
				'keywords' => 'error_log'
			),
		);

		$form = new AForm('ST');
		$form->setForm(	array('form_name' => 'cacheFrm'));
		$this->data['form']['form_open'] = $form->getFieldHtml(array(
																	'type' => 'form',
																	'name' => 'cacheFrm',
																	'action' => $this->html->getSecureURL('tool/cache/delete')));

		$this->data['form']['submit'] = $form->getFieldHtml ( array ('type' => 'button',
		                                                             'name' => 'submit',
		                                                             'text' => $this->language->get ( 'text_clear_cache' ),
		                                                             'style' => 'button1') );
		if (isset($this->error['warning'])) {
			$this->data['error_warning'] = $this->error['warning'];
		} else {
			$this->data['error_warning'] = '';
		}
		if (isset($this->session->data['success'])) {
			$this->data['success'] = $this->session->data['success'];
			unset($this->session->data['success']);
		} else {
			$this->data['success'] = '';
		}
		
		$this->view->batchAssign($this->data);
		$this->view->assign('help_url', $this->gen_help_url() );
		
        $this->processTemplate('pages/tool/cache.tpl' );
		//update controller data
        $this->extensions->hk_UpdateData($this,__FUNCTION__);
	}
	
	public function delete() {

		//init controller data
        $this->extensions->hk_InitData($this,__FUNCTION__);

		if (isset($this->request->post['selected']) && $this->request->post['selected'] && $this->_validateDelete()) {
			foreach ($this->request->post['selected'] as $cache) {
				if($cache == 'image') {
					$this->deleteThumbnails();
				} else {
					if($cache=='error_log'){
						@unlink(DIR_LOGS.$this->config->get('config_error_filename'));
					}
					$keywords = explode(',', $cache);
					if($keywords){
						foreach($keywords as $keyword) {
							$this->cache->delete($keyword);
						}
					}
				}
	  		}
			$this->session->data['success'] = $this->language->get('text_success');
		}
		//update controller data
        $this->extensions->hk_UpdateData($this,__FUNCTION__);
		$this->redirect($this->html->getSecureURL('tool/cache'));
	}

	
	public function deleteThumbnails() {

		//init controller data
        $this->extensions->hk_InitData($this,__FUNCTION__);
		
        $path = DIR_IMAGE . 'thumbnails/';
		
		$iterator = new RecursiveDirectoryIterator($path);
	    foreach (new RecursiveIteratorIterator($iterator, RecursiveIteratorIterator::CHILD_FIRST) as $file) {
	    	if(is_int(strpos($file->getPathname(),'/.svn')) ||  is_int(strpos($file->getPathname(),'/index.html'))){
	    		continue;
	    	}
			if ($file->isDir()) {
				rmdir($file->getPathname());
			} else {
				unlink($file->getPathname());
			}
	    }
		//update controller data
        $this->extensions->hk_UpdateData($this,__FUNCTION__);
  	}
	
	private function _validateDelete() {
    	if (!$this->user->canModify('tool/cache')) {
      		$this->error['warning'] = $this->language->get('error_permission');  
    	}
		
		if (!$this->error) {
	  		return TRUE;
		} else {
	  		return FALSE;
		}
  	}
	
}
?>