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Member "drupal-8.9.10/core/modules/history/src/Plugin/views/filter/HistoryUserTimestamp.php" (26 Nov 2020, 3248 Bytes) of package /linux/www/drupal-8.9.10.tar.gz:


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    1 <?php
    2 
    3 namespace Drupal\history\Plugin\views\filter;
    4 
    5 use Drupal\Core\Cache\UncacheableDependencyTrait;
    6 use Drupal\Core\Form\FormStateInterface;
    7 use Drupal\views\Plugin\views\filter\FilterPluginBase;
    8 
    9 /**
   10  * Filter for new content.
   11  *
   12  * The handler is named history_user, because of compatibility reasons, the
   13  * table is history.
   14  *
   15  * @ingroup views_filter_handlers
   16  *
   17  * @ViewsFilter("history_user_timestamp")
   18  */
   19 class HistoryUserTimestamp extends FilterPluginBase {
   20 
   21   use UncacheableDependencyTrait;
   22 
   23   /**
   24    * {@inheritdoc}
   25    */
   26   public $no_operator = TRUE;
   27 
   28   /**
   29    * {@inheritdoc}
   30    */
   31   public function usesGroupBy() {
   32     return FALSE;
   33   }
   34 
   35   /**
   36    * {@inheritdoc}
   37    */
   38   public function buildExposeForm(&$form, FormStateInterface $form_state) {
   39     parent::buildExposeForm($form, $form_state);
   40     // @todo There are better ways of excluding required and multiple (object flags)
   41     unset($form['expose']['required']);
   42     unset($form['expose']['multiple']);
   43     unset($form['expose']['remember']);
   44   }
   45 
   46   /**
   47    * {@inheritdoc}
   48    */
   49   protected function valueForm(&$form, FormStateInterface $form_state) {
   50     // Only present a checkbox for the exposed filter itself. There's no way
   51     // to tell the difference between not checked and the default value, so
   52     // specifying the default value via the views UI is meaningless.
   53     if ($form_state->get('exposed')) {
   54       if (isset($this->options['expose']['label'])) {
   55         $label = $this->options['expose']['label'];
   56       }
   57       else {
   58         $label = $this->t('Has new content');
   59       }
   60       $form['value'] = [
   61         '#type' => 'checkbox',
   62         '#title' => $label,
   63         '#default_value' => $this->value,
   64       ];
   65     }
   66   }
   67 
   68   /**
   69    * {@inheritdoc}
   70    */
   71   public function query() {
   72     // This can only work if we're authenticated in.
   73     if (!\Drupal::currentUser()->isAuthenticated()) {
   74       return;
   75     }
   76 
   77     // Don't filter if we're exposed and the checkbox isn't selected.
   78     if ((!empty($this->options['exposed'])) && empty($this->value)) {
   79       return;
   80     }
   81 
   82     // Hey, Drupal kills old history, so nodes that haven't been updated
   83     // since HISTORY_READ_LIMIT are bzzzzzzzt outta here!
   84     $limit = REQUEST_TIME - HISTORY_READ_LIMIT;
   85 
   86     $this->ensureMyTable();
   87     $field = "$this->tableAlias.$this->realField";
   88     $node = $this->query->ensureTable('node_field_data', $this->relationship);
   89 
   90     $clause = '';
   91     $clause2 = '';
   92     if ($alias = $this->query->ensureTable('comment_entity_statistics', $this->relationship)) {
   93       $clause = "OR $alias.last_comment_timestamp > (***CURRENT_TIME*** - $limit)";
   94       $clause2 = "OR $field < $alias.last_comment_timestamp";
   95     }
   96 
   97     // NULL means a history record doesn't exist. That's clearly new content.
   98     // Unless it's very very old content. Everything in the query is already
   99     // type safe cause none of it is coming from outside here.
  100     $this->query->addWhereExpression($this->options['group'], "($field IS NULL AND ($node.changed > (***CURRENT_TIME*** - $limit) $clause)) OR $field < $node.changed $clause2");
  101   }
  102 
  103   /**
  104    * {@inheritdoc}
  105    */
  106   public function adminSummary() {
  107     if (!empty($this->options['exposed'])) {
  108       return $this->t('exposed');
  109     }
  110   }
  111 
  112 }