function dblog_view_presave in Drupal 8

Implements hook_ENTITY_TYPE_presave() for views entities.

This hook ensures there are no views based that are using a wrong plugin for wid and uid fields on views that use watchdog as base table.

See also

https://www.drupal.org/node/2876378

File

core/modules/dblog/dblog.module, line 133

System monitoring and logging for administrators.

Code

function dblog_view_presave(ViewEntityInterface $view) {

  // Only interested in watchdog based views.
  if ($view
    ->get('base_table') != 'watchdog') {
    return;
  }
  $displays = $view
    ->get('display');
  $update = FALSE;
  foreach ($displays as $display_name => $display) {

    // Iterate through all the fields of watchdog views based tables.
    if (isset($display['display_options']['fields'])) {
      foreach ($display['display_options']['fields'] as $field_name => $field) {

        // We are only interested in wid and uid fields from the watchdog table
        // that still use the numeric id.
        if (isset($field['table']) && $field['table'] === 'watchdog' && $field['plugin_id'] == 'numeric' && in_array($field['field'], [
          'wid',
          'uid',
        ], TRUE)) {
          $displays[$display_name]['display_options']['fields'][$field_name]['plugin_id'] = 'standard';

          // Delete all the attributes related to numeric fields.
          unset($displays[$display_name]['display_options']['fields'][$field_name]['set_precision'], $displays[$display_name]['display_options']['fields'][$field_name]['precision'], $displays[$display_name]['display_options']['fields'][$field_name]['decimal'], $displays[$display_name]['display_options']['fields'][$field_name]['separator'], $displays[$display_name]['display_options']['fields'][$field_name]['format_plural'], $displays[$display_name]['display_options']['fields'][$field_name]['format_plural_string'], $displays[$display_name]['display_options']['fields'][$field_name]['prefix'], $displays[$display_name]['display_options']['fields'][$field_name]['suffix']);
          $update = TRUE;
          @trigger_error("The numeric plugin for watchdog.{$field_name} field is deprecated in Drupal 8.4.0 and will be removed before Drupal 9.0.0. Must use standard plugin instead. See https://www.drupal.org/node/2876378.", E_USER_DEPRECATED);
        }
      }
    }

    // Iterate all filters looking for type filters to update.
    if (isset($display['display_options']['filters'])) {
      foreach ($display['display_options']['filters'] as $filter_name => $filter) {
        if (isset($filter['table']) && $filter['table'] === 'watchdog' && $filter['plugin_id'] == 'in_operator' && $filter['field'] == 'type') {
          $displays[$display_name]['display_options']['filters'][$filter_name]['plugin_id'] = 'dblog_types';
          $update = TRUE;
          @trigger_error("The in_operator plugin for watchdog.type filter is deprecated in Drupal 8.4.0 and will be removed before Drupal 9.0.0. Must use dblog_types plugin instead. See https://www.drupal.org/node/2876378.", E_USER_DEPRECATED);
        }
      }
    }
  }
  if ($update) {
    $view
      ->set('display', $displays);
  }
}