Version 1
[yaffs-website] / web / core / modules / history / src / Plugin / views / field / HistoryUserTimestamp.php
diff --git a/web/core/modules/history/src/Plugin/views/field/HistoryUserTimestamp.php b/web/core/modules/history/src/Plugin/views/field/HistoryUserTimestamp.php
new file mode 100644 (file)
index 0000000..f33dab2
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@@ -0,0 +1,103 @@
+<?php
+
+namespace Drupal\history\Plugin\views\field;
+
+use Drupal\Core\Form\FormStateInterface;
+use Drupal\views\ResultRow;
+use Drupal\views\ViewExecutable;
+use Drupal\views\Plugin\views\display\DisplayPluginBase;
+use Drupal\node\Plugin\views\field\Node;
+
+/**
+ * Field handler to display the marker for new content.
+ *
+ * The handler is named history_user, because of compatibility reasons, the
+ * table is history.
+ *
+ * @ingroup views_field_handlers
+ *
+ * @ViewsField("history_user_timestamp")
+ */
+class HistoryUserTimestamp extends Node {
+
+  /**
+   * {@inheritdoc}
+   */
+  public function usesGroupBy() {
+    return FALSE;
+  }
+
+  /**
+   * {@inheritdoc}
+   */
+  public function init(ViewExecutable $view, DisplayPluginBase $display, array &$options = NULL) {
+    parent::init($view, $display, $options);
+
+    if (\Drupal::currentUser()->isAuthenticated()) {
+      $this->additional_fields['created'] = ['table' => 'node_field_data', 'field' => 'created'];
+      $this->additional_fields['changed'] = ['table' => 'node_field_data', 'field' => 'changed'];
+      if (\Drupal::moduleHandler()->moduleExists('comment') && !empty($this->options['comments'])) {
+        $this->additional_fields['last_comment'] = ['table' => 'comment_entity_statistics', 'field' => 'last_comment_timestamp'];
+      }
+    }
+  }
+
+  protected function defineOptions() {
+    $options = parent::defineOptions();
+
+    $options['comments'] = ['default' => FALSE];
+
+    return $options;
+  }
+
+  public function buildOptionsForm(&$form, FormStateInterface $form_state) {
+    parent::buildOptionsForm($form, $form_state);
+    if (\Drupal::moduleHandler()->moduleExists('comment')) {
+      $form['comments'] = [
+        '#type' => 'checkbox',
+        '#title' => $this->t('Check for new comments as well'),
+        '#default_value' => !empty($this->options['comments']),
+      ];
+    }
+  }
+
+  public function query() {
+    // Only add ourselves to the query if logged in.
+    if (\Drupal::currentUser()->isAnonymous()) {
+      return;
+    }
+    parent::query();
+  }
+
+  /**
+   * {@inheritdoc}
+   */
+  public function render(ResultRow $values) {
+    // Let's default to 'read' state.
+    // This code shadows node_mark, but it reads from the db directly and
+    // we already have that info.
+    $mark = MARK_READ;
+    if (\Drupal::currentUser()->isAuthenticated()) {
+      $last_read = $this->getValue($values);
+      $changed = $this->getValue($values, 'changed');
+
+      $last_comment = \Drupal::moduleHandler()->moduleExists('comment') && !empty($this->options['comments']) ? $this->getValue($values, 'last_comment') : 0;
+
+      if (!$last_read && $changed > HISTORY_READ_LIMIT) {
+        $mark = MARK_NEW;
+      }
+      elseif ($changed > $last_read && $changed > HISTORY_READ_LIMIT) {
+        $mark = MARK_UPDATED;
+      }
+      elseif ($last_comment > $last_read && $last_comment > HISTORY_READ_LIMIT) {
+        $mark = MARK_UPDATED;
+      }
+      $build = [
+        '#theme' => 'mark',
+        '#status' => $mark,
+      ];
+      return $this->renderLink(drupal_render($build), $values);
+    }
+  }
+
+}