* @copyright 2007-2011 PrestaShop SA
* @version Release: $Revision: 7769 $
* @license http://opensource.org/licenses/osl-3.0.php Open Software License (OSL 3.0)
* International Registered Trademark & Property of PrestaShop SA
*/
class AdminImages extends AdminTab
{
private $start_time = 0;
private $max_execution_time = 7200;
public function __construct()
{
$this->table = 'image_type';
$this->className = 'ImageType';
$this->lang = false;
$this->edit = true;
$this->delete = true;
$this->fieldsDisplay = array(
'id_image_type' => array('title' => $this->l('ID'), 'align' => 'center', 'width' => 25),
'name' => array('title' => $this->l('Name'), 'width' => 140, 'size' => 16),
'width' => array('title' => $this->l('Width'), 'align' => 'right', 'suffix' => ' px', 'width' => 50, 'size' => 5),
'height' => array('title' => $this->l('Height'), 'align' => 'right', 'suffix' => ' px', 'width' => 50, 'size' => 5)
);
parent::__construct();
}
public function displayList()
{
parent::displayList();
$this->displayImagePreferences();
$this->displayRegenerate();
$this->displayMoveImages();
}
public function postProcess()
{
global $currentIndex;
if (Tools::getValue('submitRegenerate'.$this->table))
{
if ($this->tabAccess['edit'] === '1')
{
if ($this->_regenerateThumbnails(Tools::getValue('type'), Tools::getValue('erase')))
Tools::redirectAdmin($currentIndex.'&conf=9'.'&token='.$this->token);
}
else
$this->_errors[] = Tools::displayError('You do not have permission to edit here.');
}elseif (Tools::getValue('submitMoveImages'.$this->table))
{
if ($this->tabAccess['edit'] === '1')
{
if ($this->_moveImagesToNewFileSystem())
Tools::redirectAdmin($currentIndex.'&conf=25'.'&token='.$this->token);
}
else
$this->_errors[] = Tools::displayError('You do not have permission to edit here.');
}elseif (Tools::getValue('submitImagePreferences'))
{
if ($this->tabAccess['edit'] === '1')
{
if ((int)Tools::getValue('PS_JPEG_QUALITY') < 0
|| (int)Tools::getValue('PS_JPEG_QUALITY') > 100)
$this->_errors[] = Tools::displayError('Incorrect value for JPEG image quality.');
elseif ((int)Tools::getValue('PS_PNG_QUALITY') < 0
|| (int)Tools::getValue('PS_PNG_QUALITY') > 9)
$this->_errors[] = Tools::displayError('Incorrect value for PNG image quality.');
elseif (!Configuration::updateValue('PS_IMAGE_QUALITY', Tools::getValue('PS_IMAGE_QUALITY'))
|| !Configuration::updateValue('PS_JPEG_QUALITY', Tools::getValue('PS_JPEG_QUALITY'))
|| !Configuration::updateValue('PS_PNG_QUALITY', Tools::getValue('PS_PNG_QUALITY')))
$this->_errors[] = Tools::displayError('Unknown error.');
else
Tools::redirectAdmin($currentIndex.'&token='.Tools::getValue('token').'&conf=4');
}
else
$this->_errors[] = Tools::displayError('You do not have permission to edit here.');
}
else
parent::postProcess();
}
protected function _childValidation()
{
if (!Tools::getValue('id_image_type') AND Validate::isImageTypeName($typeName = Tools::getValue('name')) AND ImageType::typeAlreadyExists($typeName))
$this->_errors[] = Tools::displayError('This name already exists.');
}
public function displayForm($isMainTab = true)
{
global $currentIndex;
parent::displayForm();
if (!($obj = $this->loadObject(true)))
return;
echo $obj->id ? $this->displayWarning($this->l('After modification, do not forget to regenerate thumbnails')) : '';
echo '
';
}
/**
* Display form for thumbnails regeneration
*
* @global string $currentIndex Current URL in order to keep current Tab
*/
public function displayRegenerate()
{
global $currentIndex;
$types = array(
'categories' => $this->l('Categories'),
'manufacturers' => $this->l('Manufacturers'),
'suppliers' => $this->l('Suppliers'),
'scenes' => $this->l('Scenes'),
'products' => $this->l('Products'),
'stores' => $this->l('Stores')
);
echo '
'.$this->l('Regenerate thumbnails').'
'.$this->l('Regenerates thumbnails for all existing product images').'.
';
$this->displayWarning($this->l('Please be patient, as this can take several minutes').' '.$this->l('Be careful! Manually generated thumbnails will be erased by automatically generated thumbnails.'));
echo '
';
}
/**
* Delete resized image then regenerate new one with updated settings
*/
private function _deleteOldImages($dir, $type, $product = false)
{
if (!is_dir($dir))
return false;
$toDel = scandir($dir);
foreach ($toDel AS $d)
foreach ($type AS $imageType)
if (preg_match('/^[0-9]+\-'.($product ? '[0-9]+\-' : '').$imageType['name'].'\.jpg$/', $d) OR preg_match('/^([[:lower:]]{2})\-default\-(.*)\.jpg$/', $d))
if (file_exists($dir.$d))
unlink($dir.$d);
// delete product images using new filesystem.
if ($product)
{
$productsImages = Image::getAllImages();
foreach ($productsImages AS $k => $image)
{
$imageObj = new Image($image['id_image']);
$imageObj->id_product = $image['id_product'];
if (file_exists($dir.$imageObj->getImgFolder()))
{
$toDel = scandir($dir.$imageObj->getImgFolder());
foreach ($toDel AS $d)
foreach ($type AS $imageType)
if (preg_match('/^[0-9]+\-'.$imageType['name'].'\.jpg$/', $d))
if (file_exists($dir.$imageObj->getImgFolder().$d))
unlink($dir.$imageObj->getImgFolder().$d);
}
}
}
}
// Regenerate images
private function _regenerateNewImages($dir, $type, $productsImages = false)
{
if (!is_dir($dir))
return false;
$errors = false;
$toRegen = scandir($dir);
if (!$productsImages)
{
foreach ($toRegen AS $image)
if (preg_match('/^[0-9]*\.jpg$/', $image))
foreach ($type AS $k => $imageType)
{
// Customizable writing dir
$newDir = $dir;
if ($imageType['name'] == 'thumb_scene')
$newDir .= 'thumbs/';
if (!file_exists($newDir))
continue;
if (!file_exists($newDir.substr($image, 0, -4).'-'.stripslashes($imageType['name']).'.jpg'))
if (!imageResize($dir.$image, $newDir.substr($image, 0, -4).'-'.stripslashes($imageType['name']).'.jpg', (int)($imageType['width']), (int)($imageType['height'])))
$errors = true;
if (time() - $this->start_time > $this->max_execution_time - 4) // stop 4 seconds before the tiemout, just enough time to process the end of the page on a slow server
return 'timeout';
}
}
else
{
$productsImages = Image::getAllImages();
foreach ($productsImages AS $k => $image)
{
$imageObj = new Image($image['id_image']);
if (file_exists($dir.$imageObj->getExistingImgPath().'.jpg'))
foreach ($type AS $k => $imageType)
{
if (!file_exists($dir.$imageObj->getExistingImgPath().'-'.stripslashes($imageType['name']).'.jpg'))
if (!imageResize($dir.$imageObj->getExistingImgPath().'.jpg', $dir.$imageObj->getExistingImgPath().'-'.stripslashes($imageType['name']).'.jpg', (int)($imageType['width']), (int)($imageType['height'])))
$errors = true;
if (time() - $this->start_time > $this->max_execution_time - 4) // stop 4 seconds before the tiemout, just enough time to process the end of the page on a slow server
return 'timeout';
}
}
}
return $errors;
}
// Regenerate no-pictures images
private function _regenerateNoPictureImages($dir, $type, $languages)
{
$errors = false;
foreach ($type AS $k => $imageType)
foreach ($languages AS $language)
{
$file = $dir.$language['iso_code'].'.jpg';
if (!file_exists($file))
$file = _PS_PROD_IMG_DIR_.Language::getIsoById((int)(Configuration::get('PS_LANG_DEFAULT'))).'.jpg';
if (!file_exists($dir.$language['iso_code'].'-default-'.stripslashes($imageType['name']).'.jpg'))
if (!imageResize($file, $dir.$language['iso_code'].'-default-'.stripslashes($imageType['name']).'.jpg', (int)($imageType['width']), (int)($imageType['height'])))
$errors = true;
}
return $errors;
}
// Hook watermark optimization
private function _regenerateWatermark($dir)
{
$result = Db::getInstance()->ExecuteS('
SELECT m.`name` FROM `'._DB_PREFIX_.'module` m
LEFT JOIN `'._DB_PREFIX_.'hook_module` hm ON hm.`id_module` = m.`id_module`
LEFT JOIN `'._DB_PREFIX_.'hook` h ON hm.`id_hook` = h.`id_hook`
WHERE h.`name` = \'watermark\' AND m.`active` = 1');
if ($result AND sizeof($result))
{
$productsImages = Image::getAllImages();
foreach ($productsImages AS $k => $image)
{
$imageObj = new Image($image['id_image']);
if (file_exists($dir.$imageObj->getExistingImgPath().'.jpg'))
foreach ($result AS $k => $module)
{
if ($moduleInstance = Module::getInstanceByName($module['name']) AND is_callable(array($moduleInstance, 'hookwatermark')))
call_user_func(array($moduleInstance, 'hookwatermark'), array('id_image' => $imageObj->id, 'id_product' => $imageObj->id_product));
if (time() - $this->start_time > $this->max_execution_time - 4) // stop 4 seconds before the tiemout, just enough time to process the end of the page on a slow server
return 'timeout';
}
}
}
}
private function _regenerateThumbnails($type = 'all', $deleteOldImages = false)
{
$this->start_time = time();
ini_set('max_execution_time', $this->max_execution_time); // ini_set may be disabled, we need the real value
$this->max_execution_time = (int)ini_get('max_execution_time');
$languages = Language::getLanguages(false);
$process =
array(
array('type' => 'categories', 'dir' => _PS_CAT_IMG_DIR_),
array('type' => 'manufacturers', 'dir' => _PS_MANU_IMG_DIR_),
array('type' => 'suppliers', 'dir' => _PS_SUPP_IMG_DIR_),
array('type' => 'scenes', 'dir' => _PS_SCENE_IMG_DIR_),
array('type' => 'products', 'dir' => _PS_PROD_IMG_DIR_),
array('type' => 'stores', 'dir' => _PS_STORE_IMG_DIR_)
);
// Launching generation process
foreach ($process AS $k => $proc)
{
if ($type != 'all' && $type != $proc['type'])
continue ;
// Getting format generation
$formats = ImageType::getImagesTypes($proc['type']);
if ($type != 'all')
{
$format = strval(Tools::getValue('format_'.$type));
if ($format != 'all')
foreach ($formats AS $k => $form)
if ($form['id_image_type'] != $format)
unset($formats[$k]);
}
if ($deleteOldImages)
$this->_deleteOldImages($proc['dir'], $formats, ($proc['type'] == 'products' ? true : false));
if (($return = $this->_regenerateNewImages($proc['dir'], $formats, ($proc['type'] == 'products' ? true : false))) === true)
$this->_errors[] = Tools::displayError('Cannot write ').$proc['type'].Tools::displayError(' images. Please check the folder\'s writing permissions.');
elseif ($return == 'timeout')
$this->_errors[] = Tools::displayError('Only part of the images have been regenerated, server timed out before finishing.');
else
{
if ($proc['type'] == 'products')
if ($this->_regenerateWatermark($proc['dir']) == 'timeout')
$this->_errors[] = Tools::displayError('Server timed out, the watermark may not have been applied on all your images.');
if (!count($this->_errors))
if ($this->_regenerateNoPictureImages($proc['dir'], $formats, $languages))
$this->_errors[] = Tools::displayError('Cannot write no-picture image to').' ('.$proc['type'].') '.Tools::displayError('images folder. Please check the folder\'s writing permissions.');
}
}
return (sizeof($this->_errors) > 0 ? false : true);
}
/**
* Display the block for moving images
*/
public function displayMoveImages()
{
global $currentIndex;
$safe_mode = ini_get('safe_mode');
echo '
'.$this->l('Move images').'
'.
$this->l('A new storage system for product images is now used by PrestaShop. It offers better performance if your shop has a very large number of products.').' '.
' ';
if ($safe_mode)
echo $this->displayWarning('PrestaShop has detected that your server configuration is not compatible with the new storage system (directive "safe_mode" is activated). You should continue to use the actual system.');
else
echo '
';
}
/**
* Move product images to the new filesystem
*/
private function _moveImagesToNewFileSystem()
{
if (!Image::testFileSystem())
$this->_errors[] = Tools::displayError('Error: your server configuration is not compatible with the new image system. No images were moved');
else
{
ini_set('max_execution_time', $this->max_execution_time); // ini_set may be disabled, we need the real value
$this->max_execution_time = (int)ini_get('max_execution_time');
$result = Image::moveToNewFileSystem($this->max_execution_time);
if ($result === 'timeout')
$this->_errors[] = Tools::displayError('Not all images have been moved, server timed out before finishing. Click on \"Move images\" again to resume moving images');
elseif ($result === false)
$this->_errors[] = Tools::displayError('Error: some or all images could not be moved.');
}
return (sizeof($this->_errors) > 0 ? false : true);
}
/**
* Display the block for moving images
*/
public function displayImagePreferences()
{
global $currentIndex;
echo '
';
}
}