/**
* If this is attached to an object with the hierarchy extension, it returns
* a set of a schema objects attached to any ancestors (which should be
* present on this object).
*
* @return ArrayList
*/
public function getInheritedSchemas()
{
$result = new ArrayList();
if (!$this->owner->hasExtension('Hierarchy')) {
return new ArrayList();
}
$ids = array();
$parents = $this->owner->getAncestors();
foreach ($parents as $parent) {
$ids[] = $parent->ID;
}
if (count($ids)) {
$filter = sprintf('"MetadataSchema"."ID" = "MetadataSchemaLink"."SchemaID"' . ' AND "MetadataSchemaLink"."ParentClass" = \'%s\'' . ' AND "MetadataSchemaLink"."ParentID" IN (%s)', ClassInfo::baseDataClass($this->owner->class), implode(', ', $ids));
$result = MetadataSchema::get()->innerJoin('MetadataSchemaLink', $filter);
if ($result) {
$result = new ArrayList($result->toArray());
} else {
$result = new ArrayList();
}
}
if ($this->owner instanceof SiteTree) {
// Check SiteConfig too
$config = SiteConfig::current_site_config();
if ($config->hasExtension('MetadataExtension')) {
$schemas = $config->getAttachedSchemas();
if ($schemas && $schemas->count()) {
$result->merge($schemas);
}
}
}
return $result;
}
public function requireDefaultRecords()
{
parent::requireDefaultRecords();
// get schemas that need creating
$schemas = $this->config()->get('default_schemas');
require_once 'spyc/spyc.php';
foreach ($schemas as $file) {
if (file_exists(Director::baseFolder() . '/' . $file)) {
$parser = new Spyc();
$factory = new FixtureFactory();
$fixtureContent = $parser->loadFile(Director::baseFolder() . '/' . $file);
if (isset($fixtureContent['MetadataSchema'])) {
$toBuild = array();
// check if it exists or not, if so don't re-create it
foreach ($fixtureContent['MetadataSchema'] as $id => $desc) {
$name = isset($desc['Name']) ? $desc['Name'] : null;
if (!$name) {
throw new Exception("Cannot create metadata schema without a name");
}
$existing = MetadataSchema::get()->filter('Name', $name)->first();
if ($existing) {
$factory->setId('MetadataSchema', $id, $existing->ID);
} else {
$factory->createObject('MetadataSchema', $id, $desc);
DB::alteration_message('Metadata schema ' . $id . ' created', 'created');
}
}
// don't need this now
unset($fixtureContent['MetadataSchema']);
// go through and unset any existing fields
$toBuild = array();
foreach ($fixtureContent as $class => $items) {
foreach ($items as $identifier => $data) {
$nameField = isset($data['Name']) ? 'Name' : (isset($data['Key']) ? 'Key' : '');
if (!strlen($nameField)) {
throw new Exception("Metadata fields must have a Name or Key field defined");
}
if (!isset($data['Title'])) {
$data['Title'] = $data[$nameField];
}
$existing = $class::get()->filter($nameField, $data[$nameField])->first();
if ($existing) {
$factory->setId($class, $identifier, $existing->ID);
} else {
$factory->createObject($class, $identifier, $data);
DB::alteration_message('Metadata field ' . $data[$nameField] . ' created', 'created');
}
}
}
}
}
}
}
