Fix cascade removal when 1:1 on nonMain side is removed as well

src/Entity/IPropertyContainer.php

@@ -29,7 +29,7 @@ public function &getInjectedValue();
 
 	/**
 	 * Returns true if property container has a value.
-	 * This method is called when checking value direcly via property access.
+	 * This method is called when checking value by {@see IEntity::hasValue()} call.
 	 * @internal
 	 */
 	public function hasInjectedValue(): bool;

src/Repository/RemovalHelper.php

@@ -142,10 +142,10 @@ private static function setNulls(
 			$type = $propertyMeta->relationship->type;
 			$name = $propertyMeta->name;
 
-			$value = $entity->hasValue($name) ? $entity->getValue($name) : null;
-			if ($value === null || ($value instanceof HasMany && $value->count() === 0)) {
-				continue;
-			}
+			if (!$entity->hasValue($name)) continue;
+
+			$value = $entity->getValue($name);
+			if ($value instanceof HasMany && $value->count() === 0) continue;
 
 			$reverseRepository = $model->getRepository($propertyMeta->relationship->repository);
 			$reverseProperty = $propertyMeta->relationship->property !== null
@@ -163,40 +163,30 @@ private static function setNulls(
 					}
 				}
 				$property->set([]);
-			} elseif ($type === Relationship::MANY_HAS_ONE || ($type === Relationship::ONE_HAS_ONE && $propertyMeta->relationship->isMain)) {
+			} elseif ($type === Relationship::MANY_HAS_ONE || $type === Relationship::ONE_HAS_ONE) {
 				$property = $entity->getProperty($name);
 				assert($property instanceof HasOne);
 				if ($reverseProperty !== null) {
 					$reverseEntity = $property->getEntity();
 					if ($reverseEntity === null || isset($queueRemove[spl_object_id($reverseEntity)])) {
-						// reverse side is also being removed, do not set null to this relationship
+						// The reverse side is also being removed, do not set null to this relationship.
 						continue;
 					}
 					$pre[] = $reverseEntity->getProperty($reverseProperty->name);
+					$pre[] = $reverseEntity;
 				}
 				$property->set(null, true);
 			} else {
-				// $type === Relationship::ONE_HAS_MANY or
-				// $type === Relationship::ONE_HAS_ONE && !$isMain
-
-				if (!$entity->hasValue($name) || $reverseProperty === null) {
-					continue;
-				}
+				// $type === Relationship::ONE_HAS_MANY
+				if ($reverseProperty === null) continue;
 
 				if ($reverseProperty->isNullable) {
-					if ($type === Relationship::ONE_HAS_MANY) {
-						$property = $entity->getProperty($name);
-						assert($property instanceof IRelationshipCollection);
-						foreach ($property as $subValue) {
-							$pre[] = $subValue;
-						}
-						$property->set([]);
-					} else {
-						$property = $entity->getProperty($name);
-						assert($property instanceof HasOne);
-						$pre[] = $property->getEntity();
-						$property->set(null, true);
+					$property = $entity->getProperty($name);
+					assert($property instanceof IRelationshipCollection);
+					foreach ($property as $subValue) {
+						$pre[] = $subValue;
 					}
+					$property->set([]);
 				} else {
 					$entityClass = get_class($entity);
 					$reverseEntityClass = $propertyMeta->relationship->entity;

tests/cases/integration/Repository/repository.cascadeRemove.phpt

@@ -9,9 +9,12 @@ namespace NextrasTests\Orm\Integration\Repository;
 
 
 use Nextras\Orm\Exception\InvalidStateException;
+use NextrasTests\Orm\Author;
 use NextrasTests\Orm\Book;
 use NextrasTests\Orm\Comment;
 use NextrasTests\Orm\DataTestCase;
+use NextrasTests\Orm\Ean;
+use NextrasTests\Orm\Publisher;
 use Tester\Assert;
 
 
@@ -52,7 +55,7 @@ class RepositoryCascadeRemoveTest extends DataTestCase
 	}
 
 
-	public function testSti(): void
+	public function testSingleTableInheritance(): void
 	{
 		$comment = $this->orm->contents->getByIdChecked(2);
 		Assert::type(Comment::class, $comment);
@@ -64,6 +67,23 @@ class RepositoryCascadeRemoveTest extends DataTestCase
 		Assert::false($thread->isPersisted());
 		Assert::false($comment->isPersisted());
 	}
+
+
+	public function testCascadeWithOneHasOneRelationship(): void
+	{
+		$ean = new Ean();
+		$ean->code = "TEST";
+		$book = new Book();
+		$book->title = 'Title';
+		$book->ean = $ean;
+		$book->publisher = new Publisher();
+		$book->publisher->name = "Test Publisher";
+		$book->author = new Author();
+		$book->author->name = "Test";
+		$this->orm->persistAndFlush($book);
+		$this->orm->removeAndFlush($book);
+		Assert::false($book->isPersisted());
+	}
 }
 
 

tests/sqls/NextrasTests/Orm/Integration/Repository/RepositoryCascadeRemoveTest_testCascadeWithOneHasOneRelationship.sql

@@ -0,0 +1,16 @@
+START TRANSACTION;
+INSERT INTO "public"."authors" ("name", "born", "web", "favorite_author_id") VALUES ('Test', '2021-03-21 08:23:00.000000'::timestamp, 'http://www.example.com', NULL);
+SELECT CURRVAL('"authors_id_seq"');
+INSERT INTO "eans" ("code", "type") VALUES ('TEST', 2);
+SELECT CURRVAL('"eans_id_seq"');
+INSERT INTO "publishers" ("name") VALUES ('Test Publisher');
+SELECT CURRVAL('"publishers_publisher_id_seq"');
+INSERT INTO "books" ("title", "author_id", "translator_id", "next_part", "ean_id", "publisher_id", "genre", "published_at", "printed_at", "price", "price_currency", "orig_price_cents", "orig_price_currency") VALUES ('Title', 3, NULL, NULL, 1, 4, 'fantasy', '2021-12-31 23:59:59.000000'::timestamp, NULL, NULL, NULL, NULL, NULL);
+SELECT CURRVAL('"books_id_seq"');
+COMMIT;
+SELECT "books_x_tags"."tag_id", "books_x_tags"."book_id" FROM "tags" AS "tags" LEFT JOIN "books_x_tags" AS "books_x_tags" ON ("books_x_tags"."tag_id" = "tags"."id") WHERE "books_x_tags"."book_id" IN (5);
+SELECT "books".* FROM "books" AS "books" WHERE "books"."next_part" IN (5);
+START TRANSACTION;
+DELETE FROM "books" WHERE "id" = 5;
+DELETE FROM "eans" WHERE "id" = 1;
+COMMIT;