All about Prestashop

command-generate-image.php

<?php
$timer_start = microtime(true);
if (!defined('_PS_ADMIN_DIR_'))
    define('_PS_ADMIN_DIR_', getcwd());

if (!defined('PS_ADMIN_DIR'))
    define('PS_ADMIN_DIR', _PS_ADMIN_DIR_);

require(_PS_ADMIN_DIR_ . '/../config/config.inc.php');
require(_PS_ADMIN_DIR_ . '/functions.php');

class CommandRegenerateImage extends AdminImagesControllerCore
{
    public function regenerateThumbnails($type = 'all', $deleteOldImages = true)
    {
        echo "Begin regenerate image:";
        if (!$this->_regenerateThumbnails($type, $deleteOldImages)) {
            echo "\nHas a problem!";
            foreach($this->errors as $error) {
                echo "\n" . $error;
            }

        } else {
            echo "\nFinished!";
        }
    }

    protected function _regenerateNewImages($dir, $type, $productsImages = false)
    {
        if (!is_dir($dir))
            return false;

        $generate_hight_dpi_images = (bool)Configuration::get('PS_HIGHT_DPI');

        if (!$productsImages) {
            foreach (scandir($dir) 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;
                        echo "\n" . $newDir . substr($image, 0, -4) . '-' . stripslashes($imageType['name']) . '.jpg';
                        if (!file_exists($newDir . substr($image, 0, -4) . '-' . stripslashes($imageType['name']) . '.jpg')) {
                            if (!file_exists($dir . $image) || !filesize($dir . $image))
                                $this->errors[] = sprintf(Tools::displayError('Source file does not exist or is empty (%s)'), $dir . $image);
                            else {
                                if (!ImageManager::resize($dir . $image, $newDir . substr($image, 0, -4) . '-' . stripslashes($imageType['name']) . '.jpg', (int)$imageType['width'], (int)$imageType['height']))
                                    $this->errors[] = sprintf(Tools::displayError('Failed to resize image file (%s)'), $dir . $image);

                                if ($generate_hight_dpi_images) {
                                    if (!ImageManager::resize($dir . $image, $newDir . substr($image, 0, -4) . '-' . stripslashes($imageType['name']) . '2x.jpg', (int)$imageType['width'] * 2, (int)$imageType['height'] * 2))
                                        $this->errors[] = sprintf(Tools::displayError('Failed to resize image file to high resolution (%s)'), $dir . $image);
                                }
                            }
                        }
                    }
        } else {
            foreach (Image::getAllImages() as $image) {
                $imageObj = new Image($image['id_image']);
                $existing_img = $dir . $imageObj->getExistingImgPath() . '.jpg';
                if (file_exists($existing_img) && filesize($existing_img)) {
                    foreach ($type as $imageType)
                        if (!file_exists($dir . $imageObj->getExistingImgPath() . '-' . stripslashes($imageType['name']) . '.jpg')) {
                            echo "\n" . $dir . $imageObj->getExistingImgPath() . '-' . stripslashes($imageType['name']) . '.jpg';

                            if (!ImageManager::resize($existing_img, $dir . $imageObj->getExistingImgPath() . '-' . stripslashes($imageType['name']) . '.jpg', (int)$imageType['width'], (int)$imageType['height']))
                                $this->errors[] = sprintf(Tools::displayError('Original image is corrupt (%s) for product ID %2$d or bad permission on folder'), $existing_img, (int)$imageObj->id_product);

                            if ($generate_hight_dpi_images) {
                                if (!ImageManager::resize($existing_img, $dir . $imageObj->getExistingImgPath() . '-' . stripslashes($imageType['name']) . '2x.jpg', (int)$imageType['width'] * 2, (int)$imageType['height'] * 2))
                                    $this->errors[] = sprintf(Tools::displayError('Original image is corrupt (%s) for product ID %2$d or bad permission on folder'), $existing_img, (int)$imageObj->id_product);
                            }
                        }
                } else
                    $this->errors[] = sprintf(Tools::displayError('Original image is missing or empty (%1$s) for product ID %2$d'), $existing_img, (int)$imageObj->id_product);
            }
        }

        return (bool)count($this->errors);
    }

    protected function _regenerateWatermark($dir, $type = null)
    {
        $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` = \'actionWatermark\' AND m.`active` = 1');

        if ($result && count($result)) {
            $productsImages = Image::getAllImages();
            foreach ($productsImages as $image) {
                $imageObj = new Image($image['id_image']);
                if (file_exists($dir . $imageObj->getExistingImgPath() . '.jpg'))
                    foreach ($result as $module) {
                        $moduleInstance = Module::getInstanceByName($module['name']);
                        if ($moduleInstance && is_callable(array($moduleInstance, 'hookActionWatermark')))
                            call_user_func(array($moduleInstance, 'hookActionWatermark'), array('id_image' => $imageObj->id, 'id_product' => $imageObj->id_product, 'image_type' => $type));
                    }
            }
        }
    }

}

$admin = new CommandRegenerateImage();
$admin->regenerateThumbnails();

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