function image_update_5 in Image 5.2

Same name and namespace in other branches

1. 5 image.install \image_update_5()
2. 6 image.install \image_update_5()
3. 7 image.install \image_update_5()

Make sure that everyone's size settings are in the right format.

File

./image.install, line 157

Code

function image_update_5() {
  $ret = array();
  if ($old_sizes = variable_get('image_sizes', FALSE)) {

    // Make sure all the required sizes are represented.
    if (!isset($old_sizes[IMAGE_ORIGINAL])) {
      drupal_set_message(t("The original image size was missing so no changes were made. See this <a href='!link'>image module issue</a> for more information. Include the following:<br /><pre>@old_sizes\n</pre>", array(
        '!link' => url('http://drupal.org/node/158334'),
        '@old_sizes' => print_r($old_sizes, 1),
      )), 'error');
      return array();
    }

    // These sizes may already exist under incorrect keys. We'll put a default
    // copy in that will either be overwritten by the existing version, or used
    // if there isn't an existing version.
    if (!isset($old_sizes[IMAGE_PREVIEW])) {
      $old_sizes[IMAGE_PREVIEW] = array(
        'width' => 640,
        'height' => 640,
        'label' => t('Preview'),
        'link' => IMAGE_LINK_SHOWN,
      );
    }
    if (!isset($old_sizes[IMAGE_THUMBNAIL])) {
      $old_sizes[IMAGE_THUMBNAIL] = array(
        'width' => 100,
        'height' => 100,
        'label' => t('Thumbnail'),
        'link' => IMAGE_LINK_SHOWN,
      );
    }
    $new_sizes = array();
    foreach ($old_sizes as $old_key => $size) {

      // Keys should be lowercase and less than 32 chars long.
      $new_key = drupal_strtolower(drupal_substr($old_key, 0, 32));

      // Update the files.
      if ($new_key != $old_key) {
        $ret[] = update_sql("UPDATE {files} f INNER JOIN {node} n ON f.nid = n.nid SET f.filename = '" . db_escape_string($new_key) . "' WHERE n.type = 'image' AND filename = '" . db_escape_string($old_key) . "'");
      }
      $new_sizes[$new_key] = $size;
    }

    // Save the sizes.
    variable_set('image_sizes', $new_sizes);
  }
  return $ret;
}