<?php

/**
 * Implementation of hook_install().
 */
function image_gallery_install() {
  // Notify the user of the existence of the suggested menu item.
  $t = get_t();
  drupal_set_message($t('Image gallery has been installed. You may want to enable the <a href="@navigation-menu-url">Image galleries menu item</a>.', array('@navigation-menu-url' => url('admin/build/menu-customize/navigation'))));
}

/**
 * Implementation of hook_enable().
 */
function image_gallery_enable() {
  if ($vocabulary = taxonomy_vocabulary_load(variable_get('image_gallery_nav_vocabulary', 0))) {
    // Existing install. Add back image node type, if the image
    // vocabulary still exists. Keep all other node types intact there.
    $vocabulary = (array) $vocabulary;
    $vocabulary['nodes']['image'] = 1;
    taxonomy_save_vocabulary($vocabulary);
  }
  else {
    // Create the image gallery vocabulary if it does not exist.
    $vocabulary = array(
      'name' => t('Image Galleries'),
      'multiple' => 0,
      'required' => 0,
      'hierarchy' => 1,
      'relations' => 0,
      'module' => 'image_gallery',
      'nodes' => array('image' => 1),
    );
    taxonomy_save_vocabulary($vocabulary);

    variable_set('image_gallery_nav_vocabulary', $vocabulary['vid']);
  }
}

/**
 * Implementation of hook_uninstall().
 */
function image_gallery_uninstall() {
  if ($vid = variable_get('image_gallery_nav_vocabulary', FALSE)) {
    module_invoke('taxonomy', 'del_vocabulary', $vid);
  }
  variable_del('image_images_per_page');
  variable_del('image_gallery_nav_vocabulary');
  variable_del('image_gallery_node_info');
  variable_del('image_gallery_sort_order');
}

/**
 * Re-assign image vocabularies to image_gallery module.
 */
function image_gallery_update_1() {
  $ret = array();
  if ($vid = variable_get('image_nav_vocabulary', '')) {
    $args = array($vid);
    $query = "UPDATE {vocabulary} SET module = 'image_gallery' WHERE vid = %d";
    _db_query_callback($args, TRUE);
    $query = preg_replace_callback(DB_QUERY_REGEXP, '_db_query_callback', $query);
    $ret[] = update_sql($query);
  }
  else {
    $ret[] = update_sql("UPDATE {vocabulary} SET module = 'image_gallery' WHERE module = 'image'");
  }
  return $ret;
}

/**
 * Rename permission "administer images" to "administer image galleries".
 */
function image_gallery_update_6100() {
  $ret = array();
  $result = db_query("SELECT rid, perm FROM {permission} ORDER BY rid");
  while ($role = db_fetch_object($result)) {
    $renamed_permission = strtr($role->perm, array('administer images' => 'administer image galleries'));
    if ($renamed_permission != $role->perm) {
      $args = array($renamed_permission, $role->rid);
      $query = "UPDATE {permission} SET perm = '%s' WHERE rid = %d";
      _db_query_callback($args, TRUE);
      $query = preg_replace_callback(DB_QUERY_REGEXP, '_db_query_callback', $query);
      $ret[] = update_sql($query);
    }
  }
  return $ret;
}

/**
 * Clear the Views cache so our new default views are picked up.
 */
function image_gallery_update_6101() {
  $ret = array();
  if (drupal_load('module', 'views')) {
    views_invalidate_cache();
  }
  return $ret;
}