Просмотр архива Contao (бывшая TYPOlight)


<?php

/**
 * Contao Open Source CMS
 *
 * Copyright (c) 2005-2016 Leo Feyer
 *
 * @license LGPL-3.0+
 */

namespace Contao;


/**
 * Front end module "newsletter unsubscribe".
 *
 * @author Leo Feyer <https://github.com/leofeyer>
 */
class ModuleUnsubscribe extends Module
{

    /**
     * Template
     * @var string
     */
    protected $strTemplate = 'nl_default';


    /**
     * Display a wildcard in the back end
     *
     * @return string
     */
    public function generate()
    {
        if (TL_MODE == 'BE')
        {
            /** @var BackendTemplate|object $objTemplate */
            $objTemplate = new BackendTemplate('be_wildcard');

            $objTemplate->wildcard = '### ' . utf8_strtoupper($GLOBALS['TL_LANG']['FMD']['unsubscribe'][0]) . ' ###';
            $objTemplate->title = $this->headline;
            $objTemplate->id = $this->id;
            $objTemplate->link = $this->name;
            $objTemplate->href = 'contao/main.php?do=themes&amp;table=tl_module&amp;act=edit&amp;id=' . $this->id;

            return $objTemplate->parse();
        }

        $this->nl_channels = deserialize($this->nl_channels);

        // Return if there are no channels
        if (!is_array($this->nl_channels) || empty($this->nl_channels))
        {
            return '';
        }

        return parent::generate();
    }


    /**
     * Generate the module
     */
    protected function compile()
    {
        // Overwrite default template
        if ($this->nl_template)
        {
            /** @var FrontendTemplate|object $objTemplate */
            $objTemplate = new FrontendTemplate($this->nl_template);

            $this->Template = $objTemplate;
            $this->Template->setData($this->arrData);
        }

        // Unsubscribe
        if (Input::post('FORM_SUBMIT') == 'tl_unsubscribe')
        {
            $this->removeRecipient();
        }

        $blnHasError = false;

        // Error message
        if (strlen($_SESSION['UNSUBSCRIBE_ERROR']))
        {
            $blnHasError = true;
            $this->Template->mclass = 'error';
            $this->Template->message = $_SESSION['UNSUBSCRIBE_ERROR'];
            $_SESSION['UNSUBSCRIBE_ERROR'] = '';
        }

        // Confirmation message
        if (strlen($_SESSION['UNSUBSCRIBE_CONFIRM']))
        {
            $this->Template->mclass = 'confirm';
            $this->Template->message = $_SESSION['UNSUBSCRIBE_CONFIRM'];
            $_SESSION['UNSUBSCRIBE_CONFIRM'] = '';
        }

        $arrChannels = array();
        $objChannel = NewsletterChannelModel::findByIds($this->nl_channels);

        // Get the titles
        if ($objChannel !== null)
        {
            while ($objChannel->next())
            {
                $arrChannels[$objChannel->id] = $objChannel->title;
            }
        }

        // Default template variables
        $this->Template->channels = $arrChannels;
        $this->Template->showChannels = !$this->nl_hideChannels;
        $this->Template->email = urldecode(Input::get('email'));
        $this->Template->submit = specialchars($GLOBALS['TL_LANG']['MSC']['unsubscribe']);
        $this->Template->channelsLabel = $GLOBALS['TL_LANG']['MSC']['nl_channels'];
        $this->Template->emailLabel = $GLOBALS['TL_LANG']['MSC']['emailAddress'];
        $this->Template->action = Environment::get('indexFreeRequest');
        $this->Template->formId = 'tl_unsubscribe';
        $this->Template->id = $this->id;
        $this->Template->hasError = $blnHasError;
    }


    /**
     * Remove the recipient
     */
    protected function removeRecipient()
    {
        $arrChannels = Input::post('channels');

        if (!is_array($arrChannels))
        {
            $_SESSION['UNSUBSCRIBE_ERROR'] = $GLOBALS['TL_LANG']['ERR']['noChannels'];
            $this->reload();
        }

        $arrChannels = array_intersect($arrChannels, $this->nl_channels); // see #3240

        // Check the selection
        if (!is_array($arrChannels) || empty($arrChannels))
        {
            $_SESSION['UNSUBSCRIBE_ERROR'] = $GLOBALS['TL_LANG']['ERR']['noChannels'];
            $this->reload();
        }

        $varInput = Idna::encodeEmail(Input::post('email', true));

        // Validate e-mail address
        if (!Validator::isEmail($varInput))
        {
            $_SESSION['UNSUBSCRIBE_ERROR'] = $GLOBALS['TL_LANG']['ERR']['email'];
            $this->reload();
        }

        $arrSubscriptions = array();

        // Get the existing active subscriptions
        if (($objSubscription = NewsletterRecipientsModel::findBy(array("email=? AND active=1"), $varInput)) !== null)
        {
            $arrSubscriptions = $objSubscription->fetchEach('pid');
        }

        $arrRemove = array_intersect($arrChannels, $arrSubscriptions);

        // Return if there are no subscriptions to remove
        if (!is_array($arrRemove) || empty($arrRemove))
        {
            $_SESSION['UNSUBSCRIBE_ERROR'] = $GLOBALS['TL_LANG']['ERR']['unsubscribed'];
            $this->reload();
        }

        // Remove the subscriptions
        if (($objRemove = NewsletterRecipientsModel::findByEmailAndPids($varInput, $arrRemove)) !== null)
        {
            while ($objRemove->next())
            {
                $objRemove->delete();
            }
        }

        // Get the channels
        $objChannels = NewsletterChannelModel::findByIds($arrRemove);
        $arrChannels = $objChannels->fetchEach('title');

        // HOOK: post unsubscribe callback
        if (isset($GLOBALS['TL_HOOKS']['removeRecipient']) && is_array($GLOBALS['TL_HOOKS']['removeRecipient']))
        {
            foreach ($GLOBALS['TL_HOOKS']['removeRecipient'] as $callback)
            {
                $this->import($callback[0]);
                $this->{$callback[0]}->{$callback[1]}($varInput, $arrRemove);
            }
        }

        // Prepare the simple token data
        $arrData = array();
        $arrData['domain'] = Idna::decode(Environment::get('host'));
        $arrData['channel'] = $arrData['channels'] = implode("n", $arrChannels);

        // Confirmation e-mail
        $objEmail = new Email();
        $objEmail->from = $GLOBALS['TL_ADMIN_EMAIL'];
        $objEmail->fromName = $GLOBALS['TL_ADMIN_NAME'];
        $objEmail->subject = sprintf($GLOBALS['TL_LANG']['MSC']['nl_subject'], Idna::decode(Environment::get('host')));
        $objEmail->text = StringUtil::parseSimpleTokens($this->nl_unsubscribe, $arrData);
        $objEmail->sendTo($varInput);

        // Redirect to the jumpTo page
        if ($this->jumpTo && ($objTarget = $this->objModel->getRelated('jumpTo')) !== null)
        {
            /** @var PageModel $objTarget */
            $this->redirect($objTarget->getFrontendUrl());
        }

        $_SESSION['UNSUBSCRIBE_CONFIRM'] = $GLOBALS['TL_LANG']['MSC']['nl_removed'];
        $this->reload();
    }
}