function advpoll_uninstall in Advanced Poll 6.2

Same name and namespace in other branches

1. 8 advpoll.install \advpoll_uninstall()
2. 5 advpoll.install \advpoll_uninstall()
3. 6.3 advpoll.install \advpoll_uninstall()
4. 6 advpoll.install \advpoll_uninstall()
5. 7.3 advpoll.install \advpoll_uninstall()
6. 7 advpoll.install \advpoll_uninstall()
7. 7.2 advpoll.install \advpoll_uninstall()

Implementation of hook_uninstall().

File

./advpoll.install, line 177

Manage database installation and upgrading for advpoll.

Code

function advpoll_uninstall() {

  // Needs to be included due to _advpoll_list_modes().
  include_once './' . drupal_get_path('module', 'advpoll') . '/advpoll.module';

  // Remove all advpoll content types and their variables.
  $variables = array(
    'choices',
    'max_choices',
    'algorithm',
    'runtime',
    'writeins',
    'show_writeins',
    'electoral_list',
    'show_votes',
    'view_results',
    'use_question',
  );
  foreach (_advpoll_list_modes() as $mode) {
    node_type_delete('advpoll_' . $mode['name']);
    foreach ($variables as $variable) {
      variable_del('advpoll_' . $variable . '_advpoll_' . $mode['name']);
    }
  }

  // Remove all votes.
  db_query("DELETE FROM {votingapi_vote} WHERE content_type = 'advpoll'");

  // Remove all cache data.
  db_query("DELETE FROM {votingapi_cache} WHERE content_type = 'advpoll'");

  // Remove all advpoll nodes.
  $result = db_query('SELECT nid FROM {advpoll}');
  while ($obj = db_fetch_object($result)) {
    node_delete($obj->nid);
  }

  // Remove all database tables.
  drupal_uninstall_schema('advpoll');
}