/**
* Short description of method removeType
*
* @access public
* @author Joel Bout, <*****@*****.**>
* @param Resource resource
* @param Class class
* @return boolean
*/
public function removeType(\core_kernel_classes_Resource $resource, \core_kernel_classes_Class $class)
{
$returnValue = (bool) false;
$dbWrapper = \core_kernel_classes_DbWrapper::singleton();
$referencer = ResourceReferencer::singleton();
if ($resource->hasType($class)) {
$resourceId = intval(Utils::getResourceToTableId($resource));
$classInfo = Utils::getClassInfo($class);
$triples = $resource->getRdfTriples();
if (!empty($resourceId)) {
$resource->delete(false);
$referencer->unReferenceResource($resource);
$query = 'INSERT INTO "statements" ("modelid", "subject", "predicate", "object", "l_language") VALUES (?, ?, ?, ?, ?);';
foreach ($triples as $t) {
$dbWrapper->exec($query, array(99999, $t->subject, $t->predicate, $t->object, $t->lg));
}
}
}
$returnValue = true;
return (bool) $returnValue;
}
/**
* (non-PHPdoc)
* @see core_kernel_persistence_ClassInterface::createInstanceWithProperties()
*/
public function createInstanceWithProperties(\core_kernel_classes_Class $type, $properties)
{
$returnValue = null;
if (isset($properties[RDF_TYPE])) {
throw new \core_kernel_persistence_Exception('Additional types in createInstanceWithProperties not permited');
}
$uri = \common_Utils::getNewUri();
$table = '_' . HardapiUtils::getShortName($type);
// prepare properties
$hardPropertyNames = array("uri" => $uri);
$dbWrapper = \core_kernel_classes_DbWrapper::singleton();
if (is_array($properties)) {
if (count($properties) > 0) {
// Get the table name
$referencer = ResourceReferencer::singleton();
$queryProps = array();
foreach ($properties as $propertyUri => $value) {
$property = new \core_kernel_classes_Property($propertyUri);
$propertyLocation = $referencer->propertyLocation($property);
if (in_array("{$table}props", $propertyLocation) || !$referencer->isPropertyReferenced($property)) {
$propertyRange = $property->getRange();
$lang = $property->isLgDependent() ? \common_session_SessionManager::getSession()->getDataLanguage() : '';
$formatedValues = array();
if ($value instanceof \core_kernel_classes_Resource) {
$formatedValues[] = $dbWrapper->quote($value->getUri());
} else {
if (is_array($value)) {
foreach ($value as $val) {
if ($val instanceof \core_kernel_classes_Resource) {
$formatedValues[] = $dbWrapper->quote($val->getUri());
} else {
$formatedValues[] = $dbWrapper->quote($val);
}
}
} else {
$formatedValues[] = $dbWrapper->quote($value);
}
}
if (is_null($propertyRange) || $propertyRange->getUri() == RDFS_LITERAL) {
foreach ($formatedValues as $formatedValue) {
$queryProps[] = "'{$property->getUri()}', {$formatedValue}, null, '{$lang}'";
}
} else {
foreach ($formatedValues as $formatedValue) {
$queryProps[] = "'{$property->getUri()}', null, {$formatedValue}, '{$lang}'";
}
}
} else {
$propertyName = HardapiUtils::getShortName($property);
if (is_array($value)) {
if (count($value) > 1) {
throw new Exception("try setting multivalue for the non multiple property {$property->getLabel()} ({$property->getUri()})");
} else {
$value = count($value) == 0 ? null : reset($value);
// take the only element
}
}
if ($value instanceof \core_kernel_classes_Resource) {
$value = $value->getUri();
}
$hardPropertyNames[$propertyName] = $value;
}
}
}
}
// spawn
$returnValue = new \core_kernel_classes_Resource($uri, __METHOD__);
$varnames = '"' . implode('","', array_keys($hardPropertyNames)) . '"';
try {
$query = 'INSERT INTO "' . $table . '" (' . $varnames . ') VALUES (' . implode(',', array_fill(0, count($hardPropertyNames), '?')) . ')';
$result = $dbWrapper->exec($query, array_values($hardPropertyNames));
// reference the newly created instance
ResourceReferencer::singleton()->referenceResource($returnValue, $table, array($type), true);
// @todo this shoould be retrievable without an aditional query
$instanceId = Utils::getInstanceId($returnValue);
// @todo Merge into a single query
if (!empty($queryProps)) {
$prefixed = array();
foreach ($queryProps as $row) {
$prefixed[] = ' (' . $instanceId . ', ' . $row . ')';
}
try {
$query = 'INSERT INTO "' . $table . 'props" ("instance_id", "property_uri", "property_value", "property_foreign_uri", "l_language") VALUES ' . implode(',', $prefixed);
$result = $dbWrapper->exec($query);
} catch (\PDOException $e) {
throw new Exception("Unable to set properties (multiple) Value for the instance {$returnValue->getUri()} in {$tableName} : " . $e->getMessage());
}
}
} catch (\PDOException $e) {
throw new Exception("Unable to create instance for the class {$type->getUri()} in the table {$table} : " . $e->getMessage());
}
return $returnValue;
}
