PrestaShop 1.6.1.5 - Generace PDF faktur končí na chybě

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<?php
/**
* 2007-2016 PrestaShop
*
* NOTICE OF LICENSE
*
* This source file is subject to the Open Software License (OSL 3.0)
* that is bundled with this package in the file LICENSE.txt.
* It is also available through the world-wide-web at this URL:
* http://opensource.org/licenses/osl-3.0.php
* If you did not receive a copy of the license and are unable to
* obtain it through the world-wide-web, please send an email
* to license@prestashop.com so we can send you a copy immediately.
*
* DISCLAIMER
*
* Do not edit or add to this file if you wish to upgrade PrestaShop to newer
* versions in the future. If you wish to customize PrestaShop for your
* needs please refer to http://www.prestashop.com for more information.
*
*  @author    PrestaShop SA <contact@prestashop.com>
*  @copyright  2007-2016 PrestaShop SA
*  @license    http://opensource.org/licenses/osl-3.0.php  Open Software License (OSL 3.0)
*  International Registered Trademark & Property of PrestaShop SA
*/

/**
* @since 1.5
*/
abstract class HTMLTemplateCore
{
    public $title;
    public $date;
    public $available_in_your_account = true;

    /** @var Smarty */
    public $smarty;

    /** @var Shop */
    public $shop;

    /**
     * Returns the template's HTML header
     *
     * @return string HTML header
     */
    public function getHeader()
    {
        $this->assignCommonHeaderData();

        return $this->smarty->fetch($this->getTemplate('header'));
    }

    /**
     * Returns the template's HTML footer
     *
     * @return string HTML footer
     */
    public function getFooter()
    {
        $shop_address = $this->getShopAddress();

        $id_shop = (int)$this->shop->id;

        $this->smarty->assign(array(
            'available_in_your_account' => $this->available_in_your_account,
            'shop_address' => $shop_address,
            'shop_fax' => Configuration::get('PS_SHOP_FAX', null, null, $id_shop),
            'shop_phone' => Configuration::get('PS_SHOP_PHONE', null, null, $id_shop),
            'shop_email' => Configuration::get('PS_SHOP_EMAIL', null, null, $id_shop),
            'free_text' => Configuration::get('PS_INVOICE_FREE_TEXT', (int)Context::getContext()->language->id, null, $id_shop)
        ));

        return $this->smarty->fetch($this->getTemplate('footer'));
    }

    /**
     * Returns the shop address
     *
     * @return string
     */
    protected function getShopAddress()
    {
        $shop_address = '';

        $shop_address_obj = $this->shop->getAddress();
        if (isset($shop_address_obj) && $shop_address_obj instanceof Address) {
            $shop_address = AddressFormat::generateAddress($shop_address_obj, array(), ' - ', ' ');
        }

        return $shop_address;
    }

    /**
     * Returns the invoice logo
     */
    protected function getLogo()
    {
        $logo = '';

        $id_shop = (int)$this->shop->id;

        if (Configuration::get('PS_LOGO_INVOICE', null, null, $id_shop) != false && file_exists(_PS_IMG_DIR_.Configuration::get('PS_LOGO_INVOICE', null, null, $id_shop))) {
            $logo = _PS_IMG_DIR_.Configuration::get('PS_LOGO_INVOICE', null, null, $id_shop);
        } elseif (Configuration::get('PS_LOGO', null, null, $id_shop) != false && file_exists(_PS_IMG_DIR_.Configuration::get('PS_LOGO', null, null, $id_shop))) {
            $logo = _PS_IMG_DIR_.Configuration::get('PS_LOGO', null, null, $id_shop);
        }
        return $logo;
    }

    /**
     * Assign common header data to smarty variables
     */

    public function assignCommonHeaderData()
    {
        $this->setShopId();
        $id_shop = (int)$this->shop->id;
        $shop_name = Configuration::get('PS_SHOP_NAME', null, null, $id_shop);

        $path_logo = $this->getLogo();

        $width = 0;
        $height = 0;
        if (!empty($path_logo)) {
            list($width, $height) = getimagesize($path_logo);
        }

        // Limit the height of the logo for the PDF render
        $maximum_height = 100;
        if ($height > $maximum_height) {
            $ratio = $maximum_height / $height;
            $height *= $ratio;
            $width *= $ratio;
        }

        $this->smarty->assign(array(
            'logo_path' => $path_logo,
            'img_ps_dir' => 'http://'.Tools::getMediaServer(_PS_IMG_)._PS_IMG_,
            'img_update_time' => Configuration::get('PS_IMG_UPDATE_TIME'),
            'date' => $this->date,
            'title' => $this->title,
            'shop_name' => $shop_name,
            'shop_details' => Configuration::get('PS_SHOP_DETAILS', null, null, (int)$id_shop),
            'width_logo' => $width,
            'height_logo' => $height
        ));
    }

    /**
     * Assign hook data
     *
     * @param ObjectModel $object generally the object used in the constructor
     */
    public function assignHookData($object)
    {
        $template = ucfirst(str_replace('HTMLTemplate', '', get_class($this)));
        $hook_name = 'displayPDF'.$template;

        $this->smarty->assign(array(
            'HOOK_DISPLAY_PDF' => Hook::exec($hook_name, array('object' => $object))
        ));
    }

    /**
     * Returns the template's HTML content
     *
     * @return string HTML content
     */
    abstract public function getContent();


    /**
     * Returns the template filename
     *
     * @return string filename
     */
    abstract public function getFilename();

    /**
     * Returns the template filename when using bulk rendering
     *
     * @return string filename
     */
    abstract public function getBulkFilename();

    /**
     * If the template is not present in the theme directory, it will return the default template
     * in _PS_PDF_DIR_ directory
     *
     * @param $template_name
     *
     * @return string
     */
    protected function getTemplate($template_name)
    {
        $template = false;
        $default_template = rtrim(_PS_PDF_DIR_, DIRECTORY_SEPARATOR).DIRECTORY_SEPARATOR.$template_name.'.tpl';
        $overridden_template = _PS_ALL_THEMES_DIR_.$this->shop->getTheme().DIRECTORY_SEPARATOR.'pdf'.DIRECTORY_SEPARATOR.$template_name.'.tpl';
        if (file_exists($overridden_template)) {
            $template = $overridden_template;
        } elseif (file_exists($default_template)) {
            $template = $default_template;
        }

        return $template;
    }


    /**
     * Translation method
     *
     * @param string $string
     *
     * @return string translated text
     */
    protected static function l($string)
    {
        return Translate::getPdfTranslation($string);
    }

    protected function setShopId()
    {
        if (isset($this->order) && Validate::isLoadedObject($this->order)) {
            $id_shop = (int)$this->order->id_shop;
        } else {
            $id_shop = (int)Context::getContext()->shop->id;
        }

        $this->shop = new Shop($id_shop);
        if (Validate::isLoadedObject($this->shop)) {
            Shop::setContext(Shop::CONTEXT_SHOP, (int)$this->shop->id);
        }
    }
}