/**
* {@inheritdoc}
*/
protected function doSave($id, EntityInterface $entity)
{
$bundle = $entity->bundle();
// Generate an ID before saving, if none is available. If the ID generation
// occurs earlier in the process (like on EntityInterface::create()), the
// entity might be considered not new by modules that don't strictly use the
// EntityInterface::isNew() method.
if (empty($id)) {
$id = $this->generateId();
$entity->{$this->idKey} = (string) $id;
}
// If the target graph is set, it has priority over the one the entity is
// loaded from. If no target graph is set, use the previous one.
$target_graph = $this->getGraphHandler()->getTargetGraphFromEntity($entity);
$graph_uri = $this->getBundleGraphUri($bundle, $target_graph);
$insert = '';
$properties = $this->mappingHandler->getEntityTypeMappedProperties($entity);
$subj = '<' . (string) $id . '>';
$properties_list = "<" . implode(">, <", $properties['flat']) . ">";
foreach ($entity->toArray() as $field_name => $field) {
foreach ($field as $field_item) {
foreach ($field_item as $column => $value) {
if (!isset($properties['by_field'][$field_name][$column])) {
continue;
}
$pred = '<' . (string) $properties['by_field'][$field_name][$column] . '>';
if (!filter_var($value, FILTER_VALIDATE_URL) === FALSE) {
$obj = '<' . $value . '>';
} else {
// @todo This is most probably prone to Sparql injection..!
$obj = '"""' . $value . '"""';
}
$insert .= $subj . ' ' . $pred . ' ' . $obj . ' .' . "\n";
}
}
}
// Save the bundle.
$rdf_bundle_mapping = $this->mappingHandler->getRdfBundleMappedUri($entity->getEntityType()->getBundleEntityType(), $entity->bundle());
$rdf_bundle = $rdf_bundle_mapping[$entity->bundle()];
$insert .= $subj . ' ' . $this->rdfBundlePredicate . ' <' . $rdf_bundle . '> .' . "\n";
$query = <<<QUERY
DELETE {
GRAPH <{$graph_uri}> {
<{$id}> ?field ?value
}
}
WHERE {
GRAPH <{$graph_uri}> {
<{$id}> ?field ?value .
FILTER (?field IN ({$properties_list}))
}
}
QUERY;
if (!$entity->isNew()) {
$this->sparql->query($query);
}
// @todo Do in one transaction... If possible.
$query = "INSERT DATA INTO <{$graph_uri}> {\n" . $insert . "\n" . '}';
$this->sparql->query($query);
}
/**
* {@inheritdoc}
*/
public function condition($property, $value = NULL, $operator = '=', $langcode = NULL)
{
$key = $property . '-' . $operator;
$field_storage_definitions = \Drupal::service('entity.manager')->getFieldStorageDefinitions($this->entityTypeId);
/*
* Ok, so what is all this:
* We need to convert our conditions into some sparql compatible conditions.
*/
$bundle = $this->entityType->getKey('bundle');
$id = $this->entityType->getKey('id');
$label = $this->entityType->getKey('label');
switch ($key) {
// @todo Limit the graphs here to the set bundles.
case $bundle . '-IN':
$rdf_bundles = $this->mappingHandler->getBundleUriList($this->entityType->getBundleEntityType(), $value);
if ($rdf_bundles) {
$this->condition->condition('?entity', '?bundlepredicate', '?type');
$this->filterAdded = TRUE;
$predicates = "(<" . implode(">, <", $this->entityStorage->bundlePredicate()) . ">)";
$this->filter->filter('?bundlepredicate IN ' . $predicates);
$this->filter->filter('?type IN ' . $rdf_bundles);
}
return $this;
case $bundle . '-=':
$mapping = $this->mappingHandler->getRdfBundleMappedUri($this->entityType->getBundleEntityType(), $value);
$bundle = $mapping[$value];
if ($bundle) {
$this->condition->condition('?entity', '?bundlepredicate', SparqlArg::uri($bundle));
$predicates = "(<" . implode(">, <", $this->entityStorage->bundlePredicate()) . ">)";
$this->filter->filter('?bundlepredicate IN ' . $predicates);
$this->filterAdded = TRUE;
}
return $this;
case $id . '-IN':
if ($value) {
$ids_list = "(<" . implode(">, <", $value) . ">)";
if (!$this->filterAdded) {
$this->condition->condition('?entity', '?bundlepredicate', '?type');
$predicates = "(<" . implode(">, <", $this->entityStorage->bundlePredicate()) . ">)";
$this->filter->filter('?bundlepredicate IN ' . $predicates);
$this->filterAdded = TRUE;
}
$this->filter->filter('?entity IN ' . $ids_list);
}
return $this;
case $id . '-NOT IN':
case $id . '-<>':
if ($value) {
if (is_array($value)) {
$ids_list = "(<" . implode(">, <", $value) . ">)";
} else {
$ids_list = "(<" . $value . ">)";
}
if (!$this->filterAdded) {
$this->condition->condition('?entity', '?bundlepredicate', '?type');
$predicates = "(<" . implode(">, <", $this->entityStorage->bundlePredicate()) . ">)";
$this->filter->filter('?bundlepredicate IN ' . $predicates);
$this->filterAdded = TRUE;
}
$this->filter->filter('!(?entity IN ' . $ids_list . ')');
}
return $this;
case $id . '-=':
if (!$value) {
return $this;
}
$id = '<' . $value . '>';
if (!$this->filterAdded) {
$this->condition->condition('?entity', '?bundlepredicate', '?type');
$predicates = "(<" . implode(">, <", $this->entityStorage->bundlePredicate()) . ">)";
$this->filter->filter('?bundlepredicate IN ' . $predicates);
$this->filterAdded = TRUE;
}
$this->filter->filter('?entity IN ' . SparqlArg::literal($id));
break;
case $label . '-=':
preg_match('/\\((.*?)\\)/', $value, $matches);
$matching = array_pop($matches);
if ($matching) {
$ids = "(<{$matching}>)";
$this->filter->filter('?entity IN ' . $ids);
} else {
if (file_valid_uri($value)) {
$ids = "(<{$value}>)";
$this->filter->filter('?entity IN ' . $ids);
} else {
$mapping = $this->mappingHandler->getEntityTypeLabelPredicates($this->entityTypeId);
$label_list = "(<" . implode(">, <", array_unique(array_keys($mapping))) . ">)";
$this->condition->condition('?entity', '?label_type', '?label');
$this->filter->filter('?label_type IN ' . $label_list);
$this->filter->filter('str(?label) = "' . $value . '"');
}
}
return $this;
case $label . '-CONTAINS':
$mapping = $this->mappingHandler->getEntityTypeLabelPredicates($this->entityTypeId);
$label_list = "(<" . implode(">, <", array_unique(array_keys($mapping))) . ">)";
$this->condition->condition('?entity', '?label_type', '?label');
$this->filter->filter('?label_type IN ' . $label_list);
if ($value) {
$this->filter->filter('regex(?label, "' . $value . '", "i")');
$this->filter->filter('(lang(?label) = "" || langMatches(lang(?label), "EN"))');
}
return $this;
case '_field_exists-EXISTS':
case '_field_exists-NOT EXISTS':
$field_rdf_name = $this->getFieldRdfPropertyName($value, $field_storage_definitions);
if (!UrlHelper::isValid($field_rdf_name, TRUE) === FALSE) {
$field_rdf_name = SparqlArg::uri($field_rdf_name);
}
if ($field_rdf_name) {
$this->filter('?entity ' . $field_rdf_name . ' ?c', 'FILTER ' . $operator);
}
return $this;
}
if ($operator == '=') {
if (!$value) {
return $this;
}
// @todo this code will be handled in ISAICP-2631
if (strpos($property, '.') !== FALSE) {
list($field_name, $column) = explode('.', $property);
} else {
$field_name = $property;
}
$field_rdf_name = $this->getFieldRdfPropertyName($field_name, $field_storage_definitions);
if (!UrlHelper::isValid($value, TRUE) === FALSE) {
$value = SparqlArg::uri($value);
} else {
$value = SparqlArg::literal($value);
}
$this->condition->condition('?entity', SparqlArg::uri($field_rdf_name), $value);
}
return $this;
}
