BUG Backport bugfix for belongs_many_many with many_many through.

Partial backport of #7928
Fixes #8131
This commit is contained in:
Damian Mooyman 2018-06-06 09:43:04 +12:00
parent 2bceabe454
commit 0aa13da0d9
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GPG Key ID: 78B823A10DE27D1A
2 changed files with 13 additions and 4 deletions

View File

@ -982,9 +982,17 @@ class DataObjectSchema
if (!$otherManyMany) { if (!$otherManyMany) {
return null; return null;
} }
foreach ($otherManyMany as $inverseComponentName => $nextClass) { foreach ($otherManyMany as $inverseComponentName => $manyManySpec) {
if ($nextClass === $parentClass) { // Normal many-many
return $inverseComponentName; if ($manyManySpec === $parentClass) {
return $inverseComponentName;
}
// many-many through, inspect 'to' for the many_many
if (is_array($manyManySpec)) {
$toClass = $this->hasOneComponent($manyManySpec['through'], $manyManySpec['to']);
if ($toClass === $parentClass) {
return $inverseComponentName;
}
} }
} }
return null; return null;

View File

@ -19,6 +19,7 @@ class Item extends DataObject implements TestOnly
]; ];
private static $belongs_many_many = [ private static $belongs_many_many = [
'Objects' => 'SilverStripe\\ORM\\Tests\\ManyManyThroughListTest\\TestObject.Items' // Intentionally omit parent `.Items` specifier to ensure it's not mandatory
'Objects' => TestObject::class,
]; ];
} }