function bulkdelete_form_submit in Bulk Delete 6

Same name and namespace in other branches

1. 7 bulkdelete.admin.inc \bulkdelete_form_submit()

File

./bulkdelete.admin.inc, line 48

Code

function bulkdelete_form_submit($form, &$form_state) {
  $quick = $form_state['values']['quick'];

  // Process the form results
  $types = array_filter($form_state['values']['types']);
  if (count($types) > 0) {
    if ($quick) {

      // One of the goals of this module is to make deleting go faster. To do
      // that we pre-calculate which module implement hook_delete.
      $node_deletes = array();
      foreach (module_list() as $module) {
        foreach ($types as $type) {
          $node = array(
            'type' => $type,
          );
          $module = node_get_types('module', $node);
          if ($module === 'node') {
            $module = 'node_content';

            // Avoid function name collisions.
          }
          if ($hook = module_hook($module, 'delete')) {
            $node_deletes[] = $hook;
          }
        }
      }
    }
    $placeholders = implode(',', array_fill(0, count($types), "'%s'"));
    $result = db_query("SELECT nid FROM {node} WHERE type IN ({$placeholders})", $types);
    $operations = array();

    // Doing an empty operation at the beginning makes the "initialization"
    // phase go quickly
    $operations[] = array(
      'trim',
      array(
        '',
      ),
    );
    $count = 0;
    while ($row = db_fetch_object($result)) {
      $nids[] = $row->nid;
      ++$count;
      if ($count % 20 === 1) {
        if ($quick) {
          $operations[] = array(
            'bulkdelete_node_delete_quick',
            array(
              $nids,
              $node_deletes,
            ),
          );
        }
        else {
          $operations[] = array(
            'bulkdelete_node_delete_standard',
            array(
              $nids,
              $node_deletes,
            ),
          );
        }
        $nids = array();
      }
    }

    // Add remaining nids.
    if ($quick) {
      $operations[] = array(
        'bulkdelete_node_delete_quick',
        array(
          $nids,
          $node_deletes,
        ),
      );
    }
    else {
      $operations[] = array(
        'bulkdelete_node_delete_standard',
        array(
          $nids,
          $node_deletes,
        ),
      );
    }

    // Clear the cache once at the end.
    $operations[] = array(
      'cache_clear_all',
      array(),
    );

    // How many operations are we going to do?
    $count2 = count($operations);

    // Set up the Batch API
    $batch = array(
      'operations' => $operations,
      'finished' => '',
      'title' => t('Deleting !count nodes in !count2 operations.', array(
        '!count' => $count,
        '!count2' => $count2,
      )),
    );
    batch_set($batch);
    batch_process();
  }
}