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<?php
/* --------------------------------------------------------------
  JanolawModuleCenterModuleController.inc.php 2018-06-06
  Gambio GmbH
  http://www.gambio.de
  Copyright (c) 2016 Gambio GmbH
  Released under the GNU General Public License (Version 2)
  [http://www.gnu.org/licenses/gpl-2.0.html]
  --------------------------------------------------------------
*/

/**
 * Class JanolawModuleCenterModuleController
 * @extends    AbstractModuleCenterModuleController
 * @category   System
 * @package    Modules
 * @subpackage Controllers
 */
class JanolawModuleCenterModuleController extends AbstractModuleCenterModuleController
{
    /**
     * @var CI_DB_query_builder
     */
    protected $db;

    /**
     * @var array $configurationKeys
     */
    protected $configurationKeys = array();


    protected function _init()
    {
        $gxCoreLoader = MainFactory::create('GXCoreLoader', MainFactory::create('GXCoreLoaderSettings'));
        $this->db     = $gxCoreLoader->getDatabaseQueryBuilder();

        $this->configurationKeys = array(
            'MODULE_GAMBIO_JANOLAW_STATUS',
            'MODULE_GAMBIO_JANOLAW_USER_ID',
            'MODULE_GAMBIO_JANOLAW_SHOP_ID',
            'MODULE_GAMBIO_JANOLAW_USE_IN_PDF'
        );

        $this->redirectUrl = xtc_href_link('gm_janolaw.php');

        $this->pageTitle = $this->languageTextManager->get_text('janolaw_title');
    }


    /**
     * Returns an AdminPageHttpControllerResponse with the janolaw configuration template
     *
     * @return AdminPageHttpControllerResponse
     */
    public function actionConfig()
    {
        $this->contentView->set_template_dir(DIR_FS_ADMIN . 'html/content/module_center/');

        $versionInfo = array(
            'version' => 0,
            'multilang' => false,
        );
        if(MODULE_GAMBIO_JANOLAW_STATUS !== 'False')
        {
            $janolaw = MainFactory::create('GMJanolaw');
            $versionInfo = $janolaw->versionCheck();
        }

        $html = $this->_render('janolaw_configuration.html', array(
            'configuration'  => $this->_getConfiguration(),
            'info_page_link' => xtc_href_link('gm_janolaw.php'),
            'version_info' => $versionInfo,
        ));

        return MainFactory::create('AdminPageHttpControllerResponse', $this->pageTitle, $html);
    }


    /**
     * Save janolaw configuration
     *
     * @return RedirectHttpControllerResponse
     */
    public function actionStore()
    {
        if($this->_getPostData('configure_contents') !== null)
        {
            $this->configureContents();
            isset($GLOBALS['messageStack']) or $GLOBALS['messageStack'] = new messageStack();
            $GLOBALS['messageStack']->add_session($this->languageTextManager->get_text('janolaw_contents_configured'), 'info');
        }
        else
        {
            $versioninfo_cache_file = DIR_FS_CATALOG.'cache/janolaw-versioninfo.pdc';
            @unlink($versioninfo_cache_file);
            $this->_store($this->_getPostDataCollection());
        }

        $url = xtc_href_link('admin.php', 'do=JanolawModuleCenterModule/Config');
        return MainFactory::create('RedirectHttpControllerResponse', $url);
    }

    /**
     * configures content manager entries to use Janolaw media
     */
    protected function configureContents()
    {
        $db          = StaticGXCoreLoader::getDatabaseQueryBuilder();
        $languages   = $this->getLanguages();
        $janolaw     = MainFactory::create('GMJanolaw');
        $versionInfo = $janolaw->versionCheck();

        $contentFiles =
        [
            2       => 'janolaw_datenschutz.php',
            3       => 'janolaw_agb.php',
            4       => 'janolaw_impressum.php',
            3889896 => 'janolaw_widerruf.php',
        ];
        foreach($contentFiles as $content_group => $content_file)
        {
            $db->set('content_file', $content_file)
               ->set('content_type', 'file')
               ->where('content_group', $content_group)
               ->update('content_manager');
        }

        if($versionInfo['version'] == 3)
        {
            $downloadFiles =
            [
                2       => 'datasecurity',
                3       => 'terms',
                4       => 'legaldetails',
                3889896 => 'revocation',
            ];

            foreach($languages as $language_id => $language_code)
            {
                if($versionInfo['multilang'] === false)
                {
                    $language_code = 'de';
                }
                $withdrawalFormPdf = $janolaw->get_pdf_file('model-withdrawal-form', $language_code);
                if($withdrawalFormPdf !== false)
                {
                    gm_set_content('WITHDRAWAL_FORM_FILE', basename($withdrawalFormPdf), $language_id);
                }
                else
                {
                    gm_set_content('WITHDRAWAL_FORM_FILE', '', $language_id);
                }
                foreach($downloadFiles as $content_group => $download_file)
                {
                    $pdfFile = $janolaw->get_pdf_file($download_file, $language_code);
                    if($pdfFile !== false)
                    {
                        $db->set('download_file', basename($pdfFile));
                        $db->where('content_group', $content_group);
                        $db->where('languages_id', $language_id);
                        $db->update('content_manager');
                    }
                }
            }
        }
    }

    protected function getLanguages()
    {
        $supportedLanguages = ['de', 'en', 'fr'];
        $db = StaticGXCoreLoader::getDatabaseQueryBuilder();
        $languages = [];
        foreach($db->get('languages')->result() as $row)
        {
            if(in_array($row->code, $supportedLanguages))
            {
                $languages[$row->languages_id] = $row->code;
            }
        }
        return $languages;
    }

    /**
     * Update janolaw configuration in the database
     *
     * @param KeyValueCollection $userInputCollection
     */
    protected function _store(KeyValueCollection $userInputCollection)
    {
        foreach($userInputCollection->getArray() as $configurationKey => $configurationValue)
        {
            $this->db->set('configuration_value', trim($configurationValue))
                     ->where('configuration_key', $configurationKey)
                     ->update('configuration');
        }
    }


    /**
     * Loads the janolaw configuration from the database
     *
     * @return array $janolawConfiguration
     */
    protected function _getConfiguration()
    {
        $janolawConfiguration       = array();
        $janolawConfigurationResult = $this->db->select('configuration_key, configuration_value')
                                               ->from('configuration')
                                               ->where_in('configuration_key', $this->configurationKeys)
                                               ->get();
        foreach($janolawConfigurationResult->result() as $row)
        {
            $janolawConfiguration[$row->configuration_key] = $row->configuration_value;
        }

        return $janolawConfiguration;
    }
}