function ad_uninstall in Advertisement 7

Same name and namespace in other branches

1. 5.2 ad.install \ad_uninstall()
2. 5 ad.install \ad_uninstall()
3. 6.3 ad.install \ad_uninstall()
4. 6 ad.install \ad_uninstall()
5. 6.2 ad.install \ad_uninstall()
6. 7.3 ad.install \ad_uninstall()

Allow complete uninstallation of the ad module.

File

./ad.install, line 324

Advertisement module database schema.

Code

function ad_uninstall() {

  // Delete all ad content.
  $result = db_query("SELECT nid FROM {node} WHERE type = 'ad'");
  while ($node = $result
    ->fetch()) {
    node_delete($node->nid);
    variable_del("ad_autoactivate_warning_{$node->nid}");
  }

  // Delete all remaining ad module variables.
  $variables = array(
    'ad_cron_timestamp',
    'ad_link_target',
    'ad_cache',
    'ad_cache_file',
    'adserve',
    'ad_group_vid',
    'ad_groups',
    'ad_validate_url',
    'ad_display',
  );
  foreach ($variables as $variable) {
    variable_del($variable);
  }
  db_query("DELETE FROM {variable} WHERE name LIKE 'ad_block_quantity_%'");

  // Delete field instances
  $fields = _ad_installed_instances();
  foreach ($fields as $field) {
    field_delete_instance($field);
  }

  // Delete field definitions
  $fields = array_keys(_ad_installed_fields());
  foreach ($fields as $field) {
    field_delete_field($field);
  }

  // Purge all field infromation
  field_purge_batch(1000);
}