/**
* Adds the meta items_per_page default value.
* Paginate & skip options were added.
* Moving cached thumbs into postmeta table.
*
* @param mixed[][] $options The options to be modified.
*/
private static function fourPointZero(&$options)
{
if (version_compare($options['meta']['version'], '4.0', '<')) {
$options['gallery']['paginate'] = true;
$options['gallery']['skip'] = 0;
$options['meta']['items_per_page'] = 10;
$upload_dir = wp_upload_dir();
$upload_len = strlen($upload_dir['basedir']);
$dimensions = $options['thumber']['width'] . 'x' . $options['thumber']['height'];
foreach ($options['thumber']['thumbs'] as $id => $thumb) {
$thumb_obj = new DG_Thumb();
$thumb_obj->setPostId($id);
$thumb_obj->setTimestamp($thumb['timestamp']);
$thumb_obj->setDimensions($dimensions);
if (isset($thumb['thumb_path'])) {
$thumb_obj->setRelativePath(substr($thumb['thumb_path'], $upload_len + 1));
$thumb_obj->setGenerator(DG_Util::callableToString($thumb['thumber']));
}
$thumb_obj->save();
}
unset($options['thumber']['thumbs']);
}
}
/**
* Template that handles generating a thumbnail.
*
* If image has already been generated through other means, $pg may be set to the system path where the
* thumbnail is located. In this case, $generator will not be invoked, but *will* be kept for historical purposes.
*
* @param DG_AbstractThumber|string $generator Takes ID and pg and returns path to temp file or false.
* @param int $ID ID for the attachment that we need a thumbnail for.
* @param int|string $pg Page number of the attachment to get a thumbnail for or the system path to the image to be used.
*
* @return DG_Thumb|bool The generated thumbnail or false on failure.
*/
private static function thumbnailGenerationHarness($generator, $ID, $pg = 1)
{
// handle system page in $pg variable
if (is_string($pg) && !is_numeric($pg)) {
$temp_path = $pg;
} elseif (is_a($generator, 'DG_AbstractThumber')) {
// delegate thumbnail generation to $generator
if (false === ($temp_path = $generator->getThumbnail($ID, $pg))) {
return false;
}
// NOTE: get string representation to be stored with thumb in DB
$generator = get_class($generator);
} else {
DG_Logger::writeLog(DG_LogLevel::Error, 'Attempted to call thumbnailGenerationHarness with invalid generator: ' . print_r($generator, true));
return false;
}
// get some useful stuff
$doc_path = get_attached_file($ID);
$dirname = dirname($doc_path);
$basename = basename($doc_path);
if (false === ($len = strrpos($basename, '.'))) {
$len = strlen($basename);
}
$extless = substr($basename, 0, $len);
$ext = self::getExt($temp_path);
$thumb_name = self::getUniqueThumbName($dirname, $extless, $ext);
$thumb_path = "{$dirname}/{$thumb_name}";
// scale generated image down
$img = wp_get_image_editor($temp_path);
if (is_wp_error($img)) {
DG_Logger::writeLog(DG_LogLevel::Error, __('Failed to get image editor: ', 'document-gallery') . $img->get_error_message());
return false;
}
$options = self::getOptions();
$img->resize($options['width'], $options['height'], false);
$err = $img->save($thumb_path);
if (is_wp_error($err)) {
DG_Logger::writeLog(DG_LogLevel::Error, __('Failed to save image: ', 'document-gallery') . $err->get_error_message());
return false;
}
// do some cleanup
@unlink($temp_path);
// save new thumb
DG_Logger::writeLog(DG_LogLevel::Detail, 'Creating thumb object.');
$upload = wp_upload_dir();
$thumb = new DG_Thumb();
$thumb->setPostId($ID);
$thumb->setDimensions($options['width'] . 'x' . $options['height']);
$thumb->setTimestamp(time());
$thumb->setRelativePath(substr($thumb_path, strlen($upload['basedir']) + 1));
$thumb->setGenerator($generator);
$thumb->save();
return $thumb;
}