public static function get_import_strategies_for_entry(SimpleXMLElement $entry, PluginImport $importer)
{
$strategies = array();
// TODO: when the xpath has an error in it, count(error) == 1 also.. so should check return type
$correctrdftype = count($entry->xpath('rdf:type[' . $importer->curie_xpath('@rdf:resource', PluginImportLeap::NS_LEAPTYPE, 'selection') . ']')) == 1;
$correctcategoryscheme = count($entry->xpath('a:category[(' . $importer->curie_xpath('@scheme', PluginImportLeap::NS_CATEGORIES, 'selection_type#') . ') and @term="Blog"]')) == 1;
if ($correctrdftype && $correctcategoryscheme) {
$otherrequiredentries = array();
// Get entries that this blog feels are a part of it
foreach ($entry->link as $link) {
if ($importer->curie_equals($link['rel'], PluginImportLeap::NS_LEAP, 'has_part') && isset($link['href'])) {
$otherrequiredentries[] = (string) $link['href'];
}
}
// TODO: Get entries that feel they should be a part of this blog.
// We can compare the lists and perhaps warn if they're different
// $otherentries = $importer->xml->xpath('//a:feed/a:entry/a:link[@rel="leap:is_part_of" and @href="' . $entryid . '"]/../a:id');
$otherrequiredentries = array_unique($otherrequiredentries);
$strategies[] = array('strategy' => self::STRATEGY_IMPORT_AS_BLOG, 'score' => 100, 'other_required_entries' => $otherrequiredentries);
} else {
// The blog can import any entry as a literal blog post
$strategies[] = array('strategy' => self::STRATEGY_IMPORT_AS_ENTRY, 'score' => 10, 'other_required_entries' => array());
}
return $strategies;
}
/**
* Returns whether the given entry is a folder
*
* @param SimpleXMLElement $entry The entry to check
* @param PluginImport $importer The importer
* @return boolean Whether the entry is a folder
*/
private static function is_folder(SimpleXMLElement $entry, PluginImport $importer)
{
static $cache = array();
$id = (string) $entry->id;
if (isset($cache[$id])) {
return $cache[$id];
}
$correctrdftype = count($entry->xpath('rdf:type[' . $importer->curie_xpath('@rdf:resource', PluginImportLeap::NS_LEAPTYPE, 'selection') . ']')) == 1;
$correctcategoryscheme = count($entry->xpath('a:category[(' . $importer->curie_xpath('@scheme', PluginImportLeap::NS_CATEGORIES, 'selection_type#') . ') and @term="Folder"]')) == 1;
return $cache[$id] = $correctrdftype && $correctcategoryscheme;
}
/**
* The profile importer has two strategies it can use for certain entries.
*
* The profile importer attempts to "reserve" the persondata entry
* representing the user being imported (if one exists).
*
* The persondata entry is not actually imported using a strategy, because
* we need to be able to import basic data from the <author> element if
* it's not present too. So all the importing is handled in one custom hook
* - import_author_data()
*
* The importer also tries to reserve raw entries with mahara:plugin="internal"
* - these can be used to populate some of our profile fields that aren't
* explicitly mapped in LEAP2A.
*/
public static function get_import_strategies_for_entry(SimpleXMLElement $entry, PluginImport $importer)
{
$strategies = array();
if (is_null(self::$persondataid)) {
$author = $importer->get('xml')->xpath('//a:feed/a:author[1]');
$author = $author[0];
if (isset($author->uri) && $importer->get_entry_by_id((string) $author->uri)) {
self::$persondataid = (string) $author->uri;
} else {
self::$persondataid = false;
}
}
// TODO: also check other element has the right leaptype (person)
//$correctrdftype = count($entry->xpath('rdf:type['
// . $importer->curie_xpath('@rdf:resource', PluginImportLeap::NS_LEAPTYPE, 'selection') . ']')) == 1;
if ((string) $entry->id == self::$persondataid) {
$strategies[] = array('strategy' => self::STRATEGY_DUMMY, 'score' => 100, 'other_required_entries' => array());
} else {
// If it's a raw entry with the right mahara:plugin and mahara:type
// we should be able to import it
$correctrdftype = count($entry->xpath('rdf:type[' . $importer->curie_xpath('@rdf:resource', PluginImportLeap::NS_LEAPTYPE, 'entry') . ']')) == 1;
$correctplugintype = count($entry->xpath('mahara:artefactplugin[@mahara:plugin="internal"]')) == 1;
if ($correctrdftype && $correctplugintype) {
$strategies[] = array('strategy' => self::STRATEGY_IMPORT_AS_PROFILE_FIELD, 'score' => 100, 'other_required_entries' => array());
}
}
return $strategies;
}