function _tracker_add

Updates indexing tables when a node is added, updated, or commented on.

Parameters

int $nid: A node ID.

int $uid: The node or comment author.

int $changed: The node updated timestamp or comment timestamp.

File

core/modules/tracker/tracker.module, line 257

Code

function _tracker_add($nid, $uid, $changed) {
    $connection = \Drupal::database();
    // @todo This should be actually filtering on the desired language and just
    //   fall back to the default language.
    $node = $connection->query('SELECT nid, status, uid, changed FROM {node_field_data} WHERE nid = :nid AND default_langcode = 1 ORDER BY changed DESC, status DESC', [
        ':nid' => $nid,
    ])
        ->fetchObject();
    // Adding a comment can only increase the changed timestamp, so our
    // calculation here is simple.
    $changed = max($node->changed, $changed);
    // Update the node-level data.
    $connection->merge('tracker_node')
        ->key('nid', $nid)
        ->fields([
        'changed' => $changed,
        'published' => $node->status,
    ])
        ->execute();
    // Create or update the user-level data, first for the user posting.
    $connection->merge('tracker_user')
        ->keys([
        'nid' => $nid,
        'uid' => $uid,
    ])
        ->fields([
        'changed' => $changed,
        'published' => $node->status,
    ])
        ->execute();
    // Update the times for all the other users tracking the post.
    $connection->update('tracker_user')
        ->condition('nid', $nid)
        ->fields([
        'changed' => $changed,
        'published' => $node->status,
    ])
        ->execute();
}