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buildFromEntity validation #16

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buildFromEntity validation #16

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10 changes: 10 additions & 0 deletions entity_decorator.module
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Original file line number Diff line number Diff line change
Expand Up @@ -14,6 +14,8 @@ class EntityDecoratorUnsupportedArgument extends EntityDecoratorException {}

class EntityDecoratorFieldNotFound extends EntityDecoratorException {}

class EntityDecoratorInvalidEntity extends EntityDecoratorException {}

abstract class EntityDecorator {
static $entityType;
static $bundle;
Expand Down Expand Up @@ -57,6 +59,14 @@ abstract class EntityDecorator {
*/
static public function buildFromEntity($entity) {
$class = get_called_class();

list(, , $bundle) = entity_extract_ids($class::$entityType, $entity);

if ($bundle != $class::$bundle) {
// Entity bundle doesn't match class-defined bundle.
throw new EntityDecoratorInvalidEntity($class . " can only be instantiated from an entity of type '" . $class::$entityType . "' and bundle '" . $class::$bundle . "'.");
}

$object = new $class($entity);
return $object;
}
Expand Down