/**
* Returns a list of entry IDs that are children of this folder
*
* If necessary, this method can act recursively to find children at all
* levels under this folder
*
* TODO: protection against circular references
*
* @param SimpleXMLElement $entry The folder to get children for
* @param PluginImport $importer The importer
* @param boolean $recurse Whether to return children at all levels below this folder
* @return array A list of the entry IDs of children in this folder
*/
private static function get_children_of_folder(SimpleXMLElement $entry, PluginImport $importer, $recurse = false)
{
$children = array();
// Get entries that this folder feels are a part of it
foreach ($entry->link as $link) {
if ($importer->curie_equals($link['rel'], PluginImportLeap::NS_LEAP, 'has_part') && isset($link['href'])) {
$child = $importer->get_entry_by_id((string) $link['href']);
if ($child) {
if (self::is_file($child, $importer) || self::is_folder($child, $importer)) {
$children[] = (string) $link['href'];
} else {
$importer->trace("NOTICE: Child {$child->id} of folder {$entry->id} won't be imported by the file plugin because it is not a file or folder");
}
} else {
$importer->trace("WARNING: folder {$entry->id} claims to have child {$link['href']} which does not exist");
}
}
}
if ($recurse) {
foreach ($children as $childid) {
$child = $importer->get_entry_by_id($childid);
if (self::is_folder($child, $importer)) {
$children = array_merge($children, self::get_children_of_folder($child, $importer, true));
}
}
}
return $children;
}
/**
* Attaches files to blog posts
*
* We look at the leap relationships to add attachments. Currently this
* looks explicitly for the has_attachment relationship.
*
* If importing an entry resulted in importing a new file (caused by the
* entry having out-of-line content), we attach that file to the entry.
*/
public static function setup_relationships(SimpleXMLElement $entry, PluginImport $importer, $strategy, array $otherentries)
{
switch ($strategy) {
case self::STRATEGY_IMPORT_AS_BLOG:
foreach ($otherentries as $entryid) {
$blogpostentry = $importer->get_entry_by_id($entryid);
// Get all attachments this blogpost things are attached to it
// TODO: get all entries that think they're attached to the blogpost.
// I think we can only look for files, Mahara doesn't understand
// attaching something that isn't a file to a blogpost
foreach ($blogpostentry->link as $blogpostlink) {
$blogpost = null;
if ($importer->curie_equals($blogpostlink['rel'], PluginImportLeap::NS_LEAP, 'has_attachment') && isset($blogpostlink['href'])) {
if (!$blogpost) {
$artefactids = $importer->get_artefactids_imported_by_entryid((string) $blogpostentry->id);
$blogpost = new ArtefactTypeBlogPost($artefactids[0]);
}
$importer->trace("Attaching file {$blogpostlink['href']} to blog post {$blogpostentry->id}", PluginImportLeap::LOG_LEVEL_VERBOSE);
$artefactids = $importer->get_artefactids_imported_by_entryid((string) $blogpostlink['href']);
$blogpost->attach_file($artefactids[0]);
}
if ($blogpost) {
$blogpost->commit();
}
}
self::setup_outoflinecontent_relationship($blogpostentry, $importer);
}
break;
case self::STRATEGY_IMPORT_AS_ENTRY:
self::setup_outoflinecontent_relationship($entry, $importer);
break;
default:
throw new ImportException($importer, 'TODO: get_string: unknown strategy chosen for importing entry');
}
}
