dynamic_background_node.install in Dynamic Background 7.2

Installes the database scheme and handles install and uninstall of the module.

File

modules/dynamic_background_node/dynamic_background_node.install

<?php

/**
 * @file
 * Installes the database scheme and handles install and uninstall of the
 * module.
 */

/**
 * Implements hook_uninstall().
 */
function dynamic_background_node_uninstall() {

  // Remove settings.
  variable_del('dynamic_background_node');
  variable_del('dynamic_background_node_css');
  variable_del('dynamic_background_node_image_style');
}

/**
 * Update stored data to use the new database tables.
 */
function dynamic_background_node_update_7000() {
  $query = db_select('dynamic_background_node', 'dbn');
  $result = $query
    ->fields('dbn', array(
    'nid',
    'data',
  ))
    ->execute();

  // Load the old stored image, as the old node extension used the array index
  // and not the fid (doh).
  $images = variable_get('dynamic_background_images', array());
  while ($row = $result
    ->fetchObject()) {
    $selected_images = unserialize($row->data);
    foreach ($selected_images as $id => $selected) {
      if ($selected['selected']) {
        db_insert('dynamic_background_usage')
          ->fields(array(
          'fid' => $images[$id]['fid'],
          'type' => 'node',
          'data' => $row->nid,
        ))
          ->execute();
      }
    }
  }
}

/**
 * Remove old database scheme.
 */
function dynamic_background_node_update_7001() {
  db_query('drop table {dynamic_background_node}');
}

Functions

Name	Description
dynamic_background_node_uninstall	Implements hook_uninstall().
dynamic_background_node_update_7000	Update stored data to use the new database tables.
dynamic_background_node_update_7001	Remove old database scheme.