<?php
/**
 * @file
 * Install, update and uninstall functions for the locationmap module.
 *
 */

/**
 * Rename 5.x-1.0 permission "admin gmaplocation", 6.x-1.0 permission
 * "edit gmaplocation", and 6.x-2.0 permission "administer gmaplocation"
 * to "Administer location map".
 */
function locationmap_update_104() {
  // Location map module is the Drupal 7 successor to gmaplocation module.
  // If role permissions exist from gmaplocation, these are updated for Location map.
  // Set up the $replace array which holds strings both the old and new permissions.
  $replace = array(
    'admin gmaplocation' => 'administer locationmap',
    'edit gmaplocation' => 'administer locationmap',
    'administer gmaplocation' => 'administer locationmap'
  );

  // Loop over all the changes, performing necessary updates.
  foreach ($replace as $old_permission => $new_permission) {
    db_update('role_permission')
      ->fields(array('permission' => $new_permission, 'module' => 'locationmap'))
      ->condition('rid', 3, '<>')
      ->condition('permission', $old_permission)
      ->execute();
  }

  // Update any URL aliases previously set for gmaplocation to point to locationmap.
  db_update('url_alias')
    ->fields(array('source' => 'locationmap'))
    ->condition('source', 'gmaplocation')
    ->execute();

  // Create locationmap variables. If gmaplocation variables exist, set to those values.
  variable_set('locationmap_address', variable_get('gmaplocation_address'));
  variable_set('locationmap_block_text_top', variable_get('gmaplocation_block_text_top'));
  variable_set('locationmap_body', variable_get('gmaplocation_body'));
  variable_set('locationmap_footer', variable_get('gmaplocation_footer'));
  variable_set('locationmap_height', variable_get('gmaplocation_height'));
  variable_set('locationmap_info', variable_get('gmaplocation_info'));
  variable_set('locationmap_key', variable_get('gmaplocation_key'));
  variable_set('locationmap_lat', variable_get('gmaplocation_lat'));
  variable_set('locationmap_lng', variable_get('gmaplocation_lng'));
  variable_set('locationmap_title', variable_get('gmaplocation_title'));
  variable_set('locationmap_type', variable_get('gmaplocation_type'));
  variable_set('locationmap_width', variable_get('gmaplocation_width'));
  variable_set('locationmap_zoom', variable_get('gmaplocation_zoom'));

  // Remove redundant gmaplocation variables.
  variable_del('gmaplocation_address');
  variable_del('gmaplocation_block_text_top');
  variable_del('gmaplocation_body');
  variable_del('gmaplocation_footer');
  variable_del('gmaplocation_height');
  variable_del('gmaplocation_info');
  variable_del('gmaplocation_key');
  variable_del('gmaplocation_lat');
  variable_del('gmaplocation_lng');
  variable_del('gmaplocation_title');
  variable_del('gmaplocation_type');
  variable_del('gmaplocation_width');
  variable_del('gmaplocation_zoom');

  // hook_update_N() no longer returns a $ret array. Instead, return
  // nothing or a translated string indicating the update ran successfully.
  // See http://drupal.org/node/224333#update_sql.
  return t('Upgraded any legacy permissions and variables from gmaplocation module to locationmap.');
}

/**
 * Change maps API v2 variables to v3 values.
 * Unset the API key var, as it's not required any more.
 */

function locationmap_update_105() {

  $locationmap_type = variable_get('locationmap_type', '');

  // Only do anything if this is set
  if ($locationmap_type) {

    // Maps old values to new values:
    $locationmap_type_new = array(
      'G_NORMAL_MAP' => 'google.maps.MapTypeId.ROADMAP',
      'G_SATELLITE_MAP' => 'google.maps.MapTypeId.SATELLITE',
      'G_HYBRID_MAP' => 'google.maps.MapTypeId.HYBRID',
    );

    // Only reset this if it's a value we can translate:
    if (isset($locationmap_type_new[$locationmap_type])) {
      variable_set('locationmap_type', $locationmap_type_new[$locationmap_type]);
    }
  }

  // We don't need this any more
  variable_del('locationmap_key');
}

/**
 * Implementation of hook_uninstall.
 * @see http://drupal.org/node/1354
 */
function locationmap_uninstall() {
  variable_del('locationmap_address');
  variable_del('locationmap_block_text_top');
  variable_del('locationmap_body');
  variable_del('locationmap_footer');
  variable_del('locationmap_height');
  variable_del('locationmap_info');
  variable_del('locationmap_key');
  variable_del('locationmap_lat');
  variable_del('locationmap_lng');
  variable_del('locationmap_title');
  variable_del('locationmap_type');
  variable_del('locationmap_width');
  variable_del('locationmap_zoom');
}