/**
* Alter the query before it is executed.
*
* @param \Drupal\views\ViewExecutable $view
* The view object about to be processed.
* @param QueryPluginBase $query
* The query plugin object for the query.
*
* @see hook_views_query_substitutions()
* @see \Drupal\views\Plugin\views\query\Sql
*/
function hook_views_query_alter(ViewExecutable $view, QueryPluginBase $query)
{
// (Example assuming a view with an exposed filter on node title.)
// If the input for the title filter is a positive integer, filter against
// node ID instead of node title.
if ($view->id() == 'my_view' && is_numeric($view->exposed_raw_input['title']) && $view->exposed_raw_input['title'] > 0) {
// Traverse through the 'where' part of the query.
foreach ($query->where as &$condition_group) {
foreach ($condition_group['conditions'] as &$condition) {
// If this is the part of the query filtering on title, chang the
// condition to filter on node ID.
if ($condition['field'] == 'node.title') {
$condition = array('field' => 'node.nid', 'value' => $view->exposed_raw_input['title'], 'operator' => '=');
}
}
}
}
}
/**
* Gets all the views plugin definitions.
*
* @return array
* An array of plugin definitions for all types.
*/
public static function getPluginDefinitions()
{
$plugins = array();
foreach (ViewExecutable::getPluginTypes() as $plugin_type) {
$plugins[$plugin_type] = static::pluginManager($plugin_type)->getDefinitions();
}
return $plugins;
}
