fix eager loading extension with many to many

Author: abluchet

src/Bridge/Doctrine/Orm/Extension/EagerLoadingExtension.php

@@ -80,7 +80,13 @@ private function joinRelations(QueryBuilder $queryBuilder, string $resourceClass
                 continue;
             }
 
-            $method = false === $mapping['joinColumns'][0]['nullable'] ? 'innerJoin' : 'leftJoin';
+            $joinColumns = $mapping['joinColumns'] ?? $mapping['joinTable']['joinColumns'] ?? null;
+
+            if (null === $joinColumns) {
+                $method = 'leftJoin';
+            } else {
+                $method = false === $joinColumns[0]['nullable'] ? 'innerJoin' : 'leftJoin';
+            }
 
             $associationAlias = $relationAlias.$i;
             $queryBuilder->{$method}($originAlias.'.'.$association, $associationAlias);

tests/Bridge/Doctrine/Orm/Extension/EagerLoadingExtensionTest.php

@@ -106,6 +106,8 @@ public function testApplyToItem()
 
         $propertyMetadataFactoryProphecy->create(Dummy::class, 'relatedDummy')->willReturn($relationPropertyMetadata)->shouldBeCalled();
         $propertyMetadataFactoryProphecy->create(Dummy::class, 'relatedDummy2')->willReturn($relationPropertyMetadata)->shouldBeCalled();
+        $propertyMetadataFactoryProphecy->create(Dummy::class, 'relatedDummy3')->willReturn($relationPropertyMetadata)->shouldBeCalled();
+        $propertyMetadataFactoryProphecy->create(Dummy::class, 'relatedDummy4')->willReturn($relationPropertyMetadata)->shouldBeCalled();
 
         $idPropertyMetadata = new PropertyMetadata();
         $idPropertyMetadata = $idPropertyMetadata->withIdentifier(true);
@@ -124,10 +126,12 @@ public function testApplyToItem()
         $queryBuilderProphecy = $this->prophesize(QueryBuilder::class);
 
         $classMetadataProphecy = $this->prophesize(ClassMetadata::class);
-        $classMetadataProphecy->getAssociationNames()->shouldBeCalled()->willReturn([0 => 'relatedDummy', 'relatedDummy2']);
+        $classMetadataProphecy->getAssociationNames()->shouldBeCalled()->willReturn([0 => 'relatedDummy', 'relatedDummy2', 'relatedDummy3', 'relatedDummy4']);
         $classMetadataProphecy->associationMappings = [
             'relatedDummy' => ['fetch' => 3, 'joinColumns' => [['nullable' => true]], 'targetEntity' => DummyRelated::class],
             'relatedDummy2' => ['fetch' => 3, 'joinColumns' => [['nullable' => false]], 'targetEntity' => DummyRelated::class],
+            'relatedDummy3' => ['fetch' => 3, 'joinTable' => ['joinColumns' => [['nullable' => false]]], 'targetEntity' => DummyRelated::class],
+            'relatedDummy4' => ['fetch' => 3, 'targetEntity' => DummyRelated::class],
         ];
 
         $relatedClassMetadataProphecy = $this->prophesize(ClassMetadata::class);
@@ -146,8 +150,12 @@ public function testApplyToItem()
 
         $queryBuilderProphecy->leftJoin('o.relatedDummy', 'a0')->shouldBeCalled(1);
         $queryBuilderProphecy->innerJoin('o.relatedDummy2', 'a11')->shouldBeCalled(1);
+        $queryBuilderProphecy->innerJoin('o.relatedDummy3', 'a122')->shouldBeCalled(1);
+        $queryBuilderProphecy->leftJoin('o.relatedDummy4', 'a1233')->shouldBeCalled(1);
         $queryBuilderProphecy->addSelect('partial a0.{id,name}')->shouldBeCalled(1);
         $queryBuilderProphecy->addSelect('partial a11.{id,name}')->shouldBeCalled(1);
+        $queryBuilderProphecy->addSelect('partial a122.{id,name}')->shouldBeCalled(1);
+        $queryBuilderProphecy->addSelect('partial a1233.{id,name}')->shouldBeCalled(1);
 
         $em = $queryBuilderProphecy->getEntityManager()->shouldBeCalled(2)->willReturn($emProphecy->reveal());