function getlocations_fields_modules_uninstalled in Get Locations 7

Implements hook_modules_uninstalled().

Cleans up entries related to taxonomy or comment modules

File

modules/getlocations_fields/getlocations_fields.module, line 3857

getlocations_fields.module @author Bob Hutchinson http://drupal.org/user/52366 @copyright GNU GPL

Code

function getlocations_fields_modules_uninstalled($modules) {
  $identifier = '';
  foreach ($modules as $module) {
    if ($module == 'taxonomy') {
      $identifier = 'tid';
    }
    elseif ($module == 'comment') {
      $identifier = 'cid';
    }
    elseif ($module == 'profile2') {
      $identifier = 'uid';
    }
    if ($identifier) {
      $instances = array();

      // field_info_instances() is unuseable so roll our own
      $query = db_select('field_config', 'f');
      $query
        ->fields('i', array(
        'field_name',
        'entity_type',
        'bundle',
      ));
      $query
        ->join('field_config_instance', 'i', 'f.id=i.field_id');
      $query
        ->condition('f.module', 'getlocations_fields')
        ->condition('f.type', 'getlocations_fields')
        ->condition('i.entity_type', $module);
      $result = $query
        ->execute();
      if ($result) {
        $ct = 0;
        foreach ($result as $row) {
          $instances[$ct]['field_name'] = $row->field_name;
          $instances[$ct]['entity_type'] = $row->entity_type;
          $instances[$ct]['bundle'] = $row->bundle;
          $ct++;
        }
      }
      if (count($instances)) {
        $glids = array();
        foreach ($instances as $k => $instance) {
          $query = db_select('getlocations_fields_entities', 'e');
          $query
            ->fields('e', array(
            'glid',
          ));
          $query
            ->condition('e.' . $identifier, 0, '>')
            ->condition('e.field_name', $instance['field_name']);
          $result2 = $query
            ->execute();
          if ($result2) {
            foreach ($result2 as $row) {
              $glids[] = $row->glid;
            }
          }
          field_delete_instance($instance);
        }
        if (count($glids)) {
          foreach ($glids as $glid) {
            getlocations_fields_delete_record(array(
              'glid' => $glid,
            ), '');
          }
        }
        field_purge_batch(1000);

        // for some reason the record in field_config_instance does not get deleted
        // even though it is set to be deleted, so do it now.
        db_delete('field_config_instance')
          ->condition('entity_type', $module)
          ->execute();
      }
    }
  }
}