You are here

class SimplenewsSourceNode in Simplenews 7

Same name and namespace in other branches
  1. 7.2 includes/simplenews.source.inc \SimplenewsSourceNode

Simplenews source implementation based on nodes for a single subscriber.

Hierarchy

Expanded class hierarchy of SimplenewsSourceNode

Related topics

1 string reference to 'SimplenewsSourceNode'
SimplenewsSpool::getSourceImplementation in includes/simplenews.source.inc
Return the Simplenews source implementation for the given mail spool row.

File

includes/simplenews.source.inc, line 342
Contains SimplenewsSource interface and implementations.

View source
class SimplenewsSourceNode implements SimplenewsSourceNodeInterface {

  /**
   * The node object.
   */
  protected $node;

  /**
   * The cached build render array.
   */
  protected $build;

  /**
   * The newsletter category.
   */
  protected $category;

  /**
   * The subscriber and therefore recipient of this mail.
   */
  protected $subscriber;

  /**
   * The mail key used for drupal_mail().
   */
  protected $key = 'test';

  /**
   * The simplenews newsletter.
   */
  protected $newsletter;

  /**
   * Cache implementation used for this source.
   *
   * @var SimplenewsSourceCacheInterface
   */
  protected $cache;

  /**
   * Implements SimplenewsSourceInterface::_construct();
   */
  public function __construct($node, $subscriber) {
    $this
      ->setSubscriber($subscriber);
    $this
      ->setNode($node);
    $this->newsletter = simplenews_newsletter_load($node->nid);
    $this->category = simplenews_category_load($this->newsletter->tid);
    $this
      ->initCache();
  }

  /**
   * Set the node of this source.
   *
   * If the node is part of a translation set, switch to the node for the
   * requested language, if existent.
   */
  public function setNode($node) {
    $langcode = $this
      ->getLanguage();
    $nid = $node->nid;
    if (module_exists('translation')) {

      // If the node has translations and a translation is required
      // the equivalent of the node in the required language is used
      // or the base node (nid == tnid) is used.
      if ($tnid = $node->tnid) {
        if ($langcode != $node->language) {
          $translations = translation_node_get_translations($tnid);

          // A translation is available in the preferred language.
          if ($translation = $translations[$langcode]) {
            $nid = $translation->nid;
            $langcode = $translation->language;
          }
          else {

            // No translation found which matches the preferred language.
            foreach ($translations as $translation) {
              if ($translation->nid == $tnid) {
                $nid = $tnid;
                $langcode = $translation->language;
                break;
              }
            }
          }
        }
      }
    }

    // If a translation of the node is used, load this node.
    if ($nid != $node->nid) {
      $this->node = node_load($nid);
    }
    else {
      $this->node = $node;
    }
  }

  /**
   * Initialize the cache implementation.
   */
  protected function initCache() {
    $class = variable_get('simplenews_source_cache', 'SimplenewsSourceCacheBuild');
    $this->cache = new $class($this);
  }

  /**
   * Returns the corresponding category.
   */
  public function getCategory() {
    return $this->category;
  }

  /**
   * Set the active subscriber.
   */
  public function setSubscriber($subscriber) {
    $this->subscriber = $subscriber;
  }

  /**
   * Return the subscriber object.
   */
  public function getSubscriber() {
    return $this->subscriber;
  }

  /**
   * Implements SimplenewsSourceInterface::getHeaders().
   */
  public function getHeaders(array $headers) {

    // If receipt is requested, add headers.
    if ($this->category->receipt) {
      $headers['Disposition-Notification-To'] = $this
        ->getFromAddress();
      $headers['X-Confirm-Reading-To'] = $this
        ->getFromAddress();
    }

    // Add priority if set.
    switch ($this->category->priority) {
      case SIMPLENEWS_PRIORITY_HIGHEST:
        $headers['Priority'] = 'High';
        $headers['X-Priority'] = '1';
        $headers['X-MSMail-Priority'] = 'Highest';
        break;
      case SIMPLENEWS_PRIORITY_HIGH:
        $headers['Priority'] = 'urgent';
        $headers['X-Priority'] = '2';
        $headers['X-MSMail-Priority'] = 'High';
        break;
      case SIMPLENEWS_PRIORITY_NORMAL:
        $headers['Priority'] = 'normal';
        $headers['X-Priority'] = '3';
        $headers['X-MSMail-Priority'] = 'Normal';
        break;
      case SIMPLENEWS_PRIORITY_LOW:
        $headers['Priority'] = 'non-urgent';
        $headers['X-Priority'] = '4';
        $headers['X-MSMail-Priority'] = 'Low';
        break;
      case SIMPLENEWS_PRIORITY_LOWEST:
        $headers['Priority'] = 'non-urgent';
        $headers['X-Priority'] = '5';
        $headers['X-MSMail-Priority'] = 'Lowest';
        break;
    }

    // Add user specific header data.
    $headers['From'] = $this
      ->getFromFormatted();
    $headers['List-Unsubscribe'] = '<' . token_replace('[simplenews-subscriber:unsubscribe-url]', $this
      ->getTokenContext(), array(
      'sanitize' => FALSE,
    )) . '>';

    // Add general headers
    $headers['Precedence'] = 'bulk';
    return $headers;
  }

  /**
   * Implements SimplenewsSourceInterface::getTokenContext().
   */
  function getTokenContext() {
    return array(
      'category' => $this
        ->getCategory(),
      'simplenews_subscriber' => $this
        ->getSubscriber(),
      'node' => $this
        ->getNode(),
    );
  }

  /**
   * Set the mail key.
   */
  function setKey($key) {
    $this->key = $key;
  }

  /**
   * Implements SimplenewsSourceInterface::getKey().
   */
  function getKey() {
    return $this->key;
  }

  /**
   * Implements SimplenewsSourceInterface::getFromFormatted().
   */
  function getFromFormatted() {

    // Windows based PHP systems don't accept formatted email addresses.
    if (drupal_substr(PHP_OS, 0, 3) == 'WIN') {
      return $this
        ->getFromAddress();
    }
    return '"' . addslashes(mime_header_encode($this
      ->getCategory()->from_name)) . '" <' . $this
      ->getFromAddress() . '>';
  }

  /**
   * Implements SimplenewsSourceInterface::getFromAddress().
   */
  function getFromAddress() {
    return $this
      ->getCategory()->from_address;
  }

  /**
   * Implements SimplenewsSourceInterface::getRecipient().
   */
  function getRecipient() {
    return $this
      ->getSubscriber()->mail;
  }

  /**
   * Implements SimplenewsSourceInterface::getFormat().
   */
  function getFormat() {
    return $this
      ->getCategory()->format;
  }

  /**
   * Implements SimplenewsSourceInterface::getLanguage().
   */
  function getLanguage() {
    return $this
      ->getSubscriber()->language;
  }

  /**
   * Implements SimplenewsSourceSpoolInterface::getNode().
   */
  function getNode() {
    return $this->node;
  }

  /**
   * Implements SimplenewsSourceInterface::getSubject().
   */
  function getSubject() {

    // Build email subject and perform some sanitizing.
    $langcode = $this
      ->getLanguage();
    $language_list = language_list();

    // Use the requested language if enabled.
    $language = isset($language_list[$langcode]) ? $language_list[$langcode] : NULL;
    $subject = token_replace($this
      ->getCategory()->email_subject, $this
      ->getTokenContext(), array(
      'sanitize' => FALSE,
      'language' => $language,
    ));

    // Line breaks are removed from the email subject to prevent injection of
    // malicious data into the email header.
    $subject = str_replace(array(
      "\r",
      "\n",
    ), '', $subject);
    return $subject;
  }

  /**
   * Set up the necessary language and user context.
   */
  protected function setContext() {

    // Switch to the user
    if ($this->uid = $this
      ->getSubscriber()->uid) {
      simplenews_impersonate_user($this->uid);
    }

    // Change language if the requested language is enabled.
    $language = $this
      ->getLanguage();
    $languages = language_list();
    if (isset($languages[$language])) {
      $this->original_language = $GLOBALS['language'];
      $GLOBALS['language'] = $languages[$language];
      $GLOBALS['language_url'] = $languages[$language];

      // Overwrites the current content language for i18n_select.
      if (module_exists('i18n_select')) {
        $GLOBALS['language_content'] = $languages[$language];
      }
    }
  }

  /**
   * Reset the context.
   */
  protected function resetContext() {

    // Switch back to the previous user.
    if ($this->uid) {
      simplenews_revert_user();
    }

    // Switch language back.
    if (!empty($this->original_language)) {
      $GLOBALS['language'] = $this->original_language;
      $GLOBALS['language_url'] = $this->original_language;
      if (module_exists('i18n_select')) {
        $GLOBALS['language_content'] = $this->original_language;
      }
    }
  }

  /**
   * Build the node object.
   *
   * The resulting build array is cached as it is used in multiple places.
   * @param $format
   *   (Optional) Override the default format. Defaults to getFormat().
   */
  protected function build($format = NULL) {
    if (empty($format)) {
      $format = $this
        ->getFormat();
    }
    if (!empty($this->build[$format])) {
      return $this->build[$format];
    }

    // Build message body
    // Supported view modes: 'email_plain', 'email_html', 'email_textalt'
    $build = node_view($this->node, 'email_' . $format);
    unset($build['#theme']);
    foreach (field_info_instances('node', $this->node->type) as $field_name => $field) {
      if (isset($build[$field_name])) {
        $build[$field_name]['#theme'] = 'simplenews_field';
      }
    }
    $this->build[$format] = $build;
    return $this->build[$format];
  }

  /**
   * Build the themed newsletter body.
   *
   * @param $format
   *   (Optional) Override the default format. Defaults to getFormat().
   */
  protected function buildBody($format = NULL) {
    if (empty($format)) {
      $format = $this
        ->getFormat();
    }
    if ($cache = $this->cache
      ->get('build', 'body:' . $format)) {
      return $cache;
    }
    $body = theme('simplenews_newsletter_body', array(
      'build' => $this
        ->build($format),
      'category' => $this
        ->getCategory(),
      'language' => $this
        ->getLanguage(),
      'simplenews_subscriber' => $this
        ->getSubscriber(),
    ));
    $this->cache
      ->set('build', 'body:' . $format, $body);
    return $body;
  }

  /**
   * Implements SimplenewsSourceInterface::getBody().
   */
  public function getBody() {
    return $this
      ->getBodyWithFormat($this
      ->getFormat());
  }

  /**
   * Implements SimplenewsSourceInterface::getBody().
   */
  public function getPlainBody() {
    return $this
      ->getBodyWithFormat('plain');
  }

  /**
   * Get the body with the requested format.
   *
   * @param $format
   *   Either html or plain.
   *
   * @return
   *   The rendered mail body as a string.
   */
  protected function getBodyWithFormat($format) {

    // Switch to correct user and language context.
    $this
      ->setContext();
    if ($cache = $this->cache
      ->get('final', 'body:' . $format)) {
      return $cache;
    }
    $body = $this
      ->buildBody($format);

    // Build message body, replace tokens.
    $body = token_replace($body, $this
      ->getTokenContext(), array(
      'sanitize' => FALSE,
    ));
    if ($format == 'plain') {

      // Convert HTML to text if requested to do so.
      $body = simplenews_html_to_text($body, $this
        ->getCategory()->hyperlinks);
    }
    $this->cache
      ->set('final', 'body:' . $format, $body);
    $this
      ->resetContext();
    return $body;
  }

  /**
   * Builds the themed footer.
   *
   * @param $format
   *   (Optional) Set the format of this footer build, overrides the default
   *   format.
   */
  protected function buildFooter($format = NULL) {
    if (empty($format)) {
      $format = $this
        ->getFormat();
    }
    if ($cache = $this->cache
      ->get('build', 'footer:' . $format)) {
      return $cache;
    }

    // Build and buffer message footer
    $footer = theme('simplenews_newsletter_footer', array(
      'build' => $this
        ->build($format),
      'category' => $this
        ->getCategory(),
      'context' => $this
        ->getTokenContext(),
      'key' => $this
        ->getKey(),
      'language' => $this
        ->getLanguage(),
      'format' => $format,
    ));
    $this->cache
      ->set('build', 'footer:' . $format, $footer);
    return $footer;
  }

  /**
   * Implements SimplenewsSourceInterface::getFooter().
   */
  public function getFooter() {
    return $this
      ->getFooterWithFormat($this
      ->getFormat());
  }

  /**
   * Implements SimplenewsSourceInterface::getPlainFooter().
   */
  public function getPlainFooter() {
    return $this
      ->getFooterWithFormat('plain');
  }

  /**
   * Get the footer in the specified format.
   *
   * @param $format
   *   Either html or plain.
   *
   * @return
   *   The footer for the requested format.
   */
  protected function getFooterWithFormat($format) {

    // Switch to correct user and language context.
    $this
      ->setContext();
    if ($cache = $this->cache
      ->get('final', 'footer:' . $format)) {
      return $cache;
    }
    $final_footer = token_replace($this
      ->buildFooter($format), $this
      ->getTokenContext(), array(
      'sanitize' => FALSE,
    ));
    $this->cache
      ->set('final', 'footer:' . $format, $final_footer);
    $this
      ->resetContext();
    return $final_footer;
  }

  /**
   * Implements SimplenewsSourceInterface::getAttachments().
   */
  function getAttachments() {
    if ($cache = $this->cache
      ->get('data', 'attachments')) {
      return $cache;
    }
    $attachments = array();
    $build = $this
      ->build();
    $fids = array();
    foreach (field_info_instances('node', $this->node->type) as $field_name => $field_instance) {

      // @todo: Find a better way to support more field types.
      // Only add fields of type file which are enabled for the current view
      // mode as attachments.
      $field = field_info_field($field_name);
      if ($field['type'] == 'file' && isset($build[$field_name])) {
        if ($items = field_get_items('node', $this->node, $field_name)) {
          foreach ($items as $item) {
            $fids[] = $item['fid'];
          }
        }
      }
    }
    if (!empty($fids)) {
      $attachments = file_load_multiple($fids);
    }
    $this->cache
      ->set('data', 'attachments', $attachments);
    return $attachments;
  }

}

Members

Namesort descending Modifiers Type Description Overrides
SimplenewsSourceNode::$build protected property The cached build render array.
SimplenewsSourceNode::$cache protected property Cache implementation used for this source.
SimplenewsSourceNode::$category protected property The newsletter category.
SimplenewsSourceNode::$key protected property The mail key used for drupal_mail().
SimplenewsSourceNode::$newsletter protected property The simplenews newsletter.
SimplenewsSourceNode::$node protected property The node object.
SimplenewsSourceNode::$subscriber protected property The subscriber and therefore recipient of this mail.
SimplenewsSourceNode::build protected function Build the node object.
SimplenewsSourceNode::buildBody protected function Build the themed newsletter body.
SimplenewsSourceNode::buildFooter protected function Builds the themed footer.
SimplenewsSourceNode::getAttachments function Implements SimplenewsSourceInterface::getAttachments(). Overrides SimplenewsSourceInterface::getAttachments
SimplenewsSourceNode::getBody public function Implements SimplenewsSourceInterface::getBody(). Overrides SimplenewsSourceInterface::getBody
SimplenewsSourceNode::getBodyWithFormat protected function Get the body with the requested format.
SimplenewsSourceNode::getCategory public function Returns the corresponding category.
SimplenewsSourceNode::getFooter public function Implements SimplenewsSourceInterface::getFooter(). Overrides SimplenewsSourceInterface::getFooter
SimplenewsSourceNode::getFooterWithFormat protected function Get the footer in the specified format.
SimplenewsSourceNode::getFormat function Implements SimplenewsSourceInterface::getFormat(). Overrides SimplenewsSourceInterface::getFormat
SimplenewsSourceNode::getFromAddress function Implements SimplenewsSourceInterface::getFromAddress(). Overrides SimplenewsSourceInterface::getFromAddress
SimplenewsSourceNode::getFromFormatted function Implements SimplenewsSourceInterface::getFromFormatted(). Overrides SimplenewsSourceInterface::getFromFormatted
SimplenewsSourceNode::getHeaders public function Implements SimplenewsSourceInterface::getHeaders(). Overrides SimplenewsSourceInterface::getHeaders
SimplenewsSourceNode::getKey function Implements SimplenewsSourceInterface::getKey(). Overrides SimplenewsSourceInterface::getKey
SimplenewsSourceNode::getLanguage function Implements SimplenewsSourceInterface::getLanguage(). Overrides SimplenewsSourceInterface::getLanguage
SimplenewsSourceNode::getNode function Implements SimplenewsSourceSpoolInterface::getNode(). Overrides SimplenewsSourceNodeInterface::getNode
SimplenewsSourceNode::getPlainBody public function Implements SimplenewsSourceInterface::getBody(). Overrides SimplenewsSourceInterface::getPlainBody
SimplenewsSourceNode::getPlainFooter public function Implements SimplenewsSourceInterface::getPlainFooter(). Overrides SimplenewsSourceInterface::getPlainFooter
SimplenewsSourceNode::getRecipient function Implements SimplenewsSourceInterface::getRecipient(). Overrides SimplenewsSourceInterface::getRecipient
SimplenewsSourceNode::getSubject function Implements SimplenewsSourceInterface::getSubject(). Overrides SimplenewsSourceInterface::getSubject
SimplenewsSourceNode::getSubscriber public function Return the subscriber object. Overrides SimplenewsSourceNodeInterface::getSubscriber
SimplenewsSourceNode::getTokenContext function Implements SimplenewsSourceInterface::getTokenContext(). Overrides SimplenewsSourceInterface::getTokenContext
SimplenewsSourceNode::initCache protected function Initialize the cache implementation.
SimplenewsSourceNode::resetContext protected function Reset the context.
SimplenewsSourceNode::setContext protected function Set up the necessary language and user context.
SimplenewsSourceNode::setKey function Set the mail key.
SimplenewsSourceNode::setNode public function Set the node of this source.
SimplenewsSourceNode::setSubscriber public function Set the active subscriber.
SimplenewsSourceNode::__construct public function Implements SimplenewsSourceInterface::_construct(); Overrides SimplenewsSourceNodeInterface::__construct