/**
* Get the meta data from a photo
*
* @param array An array of PinholePhotoMetaDataBinding data objects
* with $shortname as the key of the array.
* @return array An array of PinholeMetaData dataobjects
*/
protected function saveMetaDataInternal($meta_data)
{
$instance_id = $this->image_set->instance === null ? null : $this->image_set->instance->id;
$where_clause = sprintf('PinholeMetaData.instance %s %s', SwatDB::equalityOperator($instance_id), $this->db->quote($instance_id, 'integer'));
$existing_meta_data = SwatDB::getOptionArray($this->db, 'PinholeMetaData', 'shortname', 'id', null, $where_clause);
foreach ($meta_data as $data) {
$shortname = substr($data->shortname, 0, 255);
$title = substr($data->title, 0, 255);
if (mb_check_encoding($data->value, 'UTF-8')) {
$value = $data->value;
} else {
// assume ISO-8859-1
$value = iconv('ISO-8859-1', 'UTF-8', $data->value);
}
$value = substr($value, 0, 255);
if (!in_array($shortname, $existing_meta_data)) {
$meta_data_id = SwatDB::insertRow($this->db, 'PinholeMetaData', array('text:shortname', 'text:title', 'integer:instance'), array('shortname' => $shortname, 'title' => $title, 'instance' => $instance_id), 'id');
} else {
$meta_data_id = array_search($shortname, $existing_meta_data);
}
SwatDB::insertRow($this->db, 'PinholePhotoMetaDataBinding', array('integer:photo', 'integer:meta_data', 'text:value'), array('photo' => $this->id, 'meta_data' => $meta_data_id, 'value' => $value));
}
}