function delete_all_content in Delete all 7

Same name and namespace in other branches

1. 5 delete_all.module \delete_all_content()
2. 6 delete_all.module \delete_all_content()

2 string references to 'delete_all_content'

delete_all_menu in ./delete_all.module

@file Delete all 7.x module

delete_all_users in ./delete_all.module

File

./delete_all.module, line 47

Delete all 7.x module

Code

function delete_all_content() {

  // count how many nodes we have of each type
  $result = db_query("SELECT type, COUNT(*) AS num FROM {node} GROUP BY type");
  $count = array();
  foreach ($result as $data) {
    $count[$data->type] = $data->num;
  }

  // Add the types to the form. If there are no eligible types to delete,
  // we don't need to render the form.
  $types = array();
  foreach (node_type_get_types() as $type => $info) {
    if (array_key_exists($type, $count)) {
      $types[$type] = $info->name . ' (' . $count[$type] . ')';
    }
  }
  asort($types);
  if (module_exists('taxonomy')) {

    // count how many taxonomy terms we have for each vocabulary
    $result = db_query("SELECT taxonomy_vocabulary.machine_name AS vocabulary, COUNT(*) AS num FROM {taxonomy_vocabulary} INNER JOIN {taxonomy_term_data} USING (vid) GROUP BY vocabulary");
    $taxocount = array();
    foreach ($result as $data) {
      $taxocount[$data->vocabulary] = $data->num;
    }

    // Add the taxonomy vocabularies to the form. If there are no eligible types to delete,
    // we don't need to render the form.
    $vocabularies = array();
    foreach (taxonomy_get_vocabularies() as $vocabulary) {
      $name = $vocabulary->machine_name;
      if (array_key_exists($name, $taxocount)) {
        $vocabularies[$name] = $vocabulary->name . ' (' . $taxocount[$name] . ')';
      }
    }
    asort($vocabularies);
  }
  if (empty($types) && empty($vocabularies)) {
    $form = array();
    $form['no_content_types'] = array(
      '#prefix' => '<p>',
      '#suffix' => '</p>',
      '#value' => t('There are no content types with content available to delete. You must <a href="@node-add">create some content</a> in order to delete it.', array(
        '@node-add' => url('node/add'),
      )),
    );
    if (module_exists('devel')) {
      $form['generate_content_suggestion'] = array(
        '#prefix' => '<p>',
        '#suffix' => '</p>',
        '#value' => t('You can generate content quickly at the <a href="@generate-content-page">generate content page</a>.', array(
          '@generate-content-page' => url('admin/generate/content'),
        )),
      );
    }
    return $form;
  }
  drupal_add_js(drupal_get_path('module', 'delete_all') . '/delete_all.js');
  $form = array();
  $form['all'] = array(
    '#type' => 'checkbox',
    '#default_value' => FALSE,
    '#title' => t('Delete All Content'),
    '#description' => t('Select to delete all content'),
    '#attributes' => array(
      'class' => array(
        'delete-all',
      ),
    ),
  );
  if (module_exists('taxonomy')) {
    $form['taxonomy'] = array(
      '#type' => 'checkbox',
      '#default_value' => FALSE,
      '#title' => t('Delete all Taxonomy'),
      '#description' => t('Select to delete all taxonomy terms'),
      '#attributes' => array(
        'class' => array(
          'delete-all',
        ),
      ),
    );
  }
  $form['reset'] = array(
    '#type' => 'checkbox',
    '#default_value' => FALSE,
    '#title' => t('Reset node count'),
    '#description' => t('Select to reset the node count'),
    '#attributes' => array(
      'class' => array(
        'delete-reset',
      ),
    ),
  );
  $form['type-fieldset'] = array(
    '#type' => 'fieldset',
    '#title' => t('Node types'),
    '#collapsible' => TRUE,
    '#collapsed' => FALSE,
    'types' => array(
      '#type' => 'checkboxes',
      '#options' => $types,
      '#description' => t('Select the types of node content to delete'),
    ),
  );
  if (module_exists('taxonomy')) {
    $form['taxonomy-fieldset'] = array(
      '#type' => 'fieldset',
      '#title' => t('Taxonomy'),
      '#collapsible' => TRUE,
      '#collapsed' => FALSE,
      'vocabularies' => array(
        '#type' => 'checkboxes',
        '#options' => $vocabularies,
        '#description' => t('Select the taxonomy vocabularies to delete'),
      ),
    );
  }
  $form['method-fieldset'] = array(
    '#type' => 'fieldset',
    '#title' => t('Method'),
    '#collapsible' => TRUE,
    '#collapsed' => FALSE,
    'method' => array(
      '#type' => 'radios',
      '#title' => t('Method'),
      '#options' => array(
        'normal' => t('Normal'),
        'quick' => t('Quick'),
      ),
      '#default_value' => 'normal',
      '#description' => t('Normal node delete calls node_delete() on every node in the database.  If you have only a few hundred nodes, this can take a very long time.  Use the quick node delete method to get around this problem.  This method deletes directly from the database, skipping the extra php processing.  The downside is that it can miss related tables that are normally handled by module hook_delete\'s.'),
    ),
  );
  $form['submit'] = array(
    '#type' => 'submit',
    '#value' => t('Delete'),
  );
  $form['#action'] = url('admin/content/delete_content/confirm');
  return $form;
}