Merge pull request #10295 from creative-commoners/pulls/4.9/manymanythrough-remove-all

FIX Correctly remove relations with ManyManyThroughList::removeall
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Maxime Rainville 2022-05-17 14:08:10 +12:00 committed by GitHub
commit 36df480ee2
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5 changed files with 90 additions and 11 deletions

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@ -389,7 +389,6 @@ class ManyManyList extends RelationList
*/
public function removeAll()
{
// Remove the join to the join table to avoid MySQL row locking issues.
$query = $this->dataQuery();
$foreignFilter = $query->getQueryParam('Foreign.Filter');

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@ -130,27 +130,37 @@ class ManyManyThroughList extends RelationList
// Find has_many row with a local key matching the given id
$hasManyList = $this->manipulator->getParentRelationship($this->dataQuery());
$records = $hasManyList->filter($this->manipulator->getLocalKey(), $itemID);
$affectedIds = [];
// Rather than simple un-associating the record (as in has_many list)
// Delete the actual mapping row as many_many deletions behave.
/** @var DataObject $record */
foreach ($records as $record) {
$affectedIds[] = $record->ID;
$record->delete();
}
if ($this->removeCallbacks && $affectedIds) {
$this->removeCallbacks->call($this, $affectedIds);
if ($this->removeCallbacks && $itemID) {
$this->removeCallbacks->call($this, [$itemID]);
}
}
public function removeAll()
{
// Empty has_many table matching the current foreign key
$hasManyList = $this->manipulator->getParentRelationship($this->dataQuery());
$affectedIds = $hasManyList->column('ID');
$hasManyList->removeAll();
// Get the IDs of records in the current list
$affectedIds = $this->limit(null)->column('ID');
if (empty($affectedIds)) {
return;
}
// Get the join records that apply for the current list
$records = $this->manipulator->getJoinClass()::get()->filter([
$this->manipulator->getForeignIDKey() => $this->getForeignID(),
$this->manipulator->getLocalKey() => $affectedIds,
]);
/** @var DataObject $record */
foreach ($records as $record) {
$record->delete();
}
if ($this->removeCallbacks && $affectedIds) {
$this->removeCallbacks->call($this, $affectedIds);

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@ -3,7 +3,6 @@
namespace SilverStripe\ORM;
use SilverStripe\Core\Config\Config;
use SilverStripe\Core\Injector\Injectable;
use SilverStripe\Core\Injector\Injector;
use SilverStripe\Dev\Deprecation;

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@ -202,6 +202,64 @@ class ManyManyThroughListTest extends SapphireTest
);
}
public function testRemoveAll()
{
$first = $this->objFromFixture(ManyManyThroughListTest\TestObject::class, 'parent1');
$first->Items()->add($this->objFromFixture(ManyManyThroughListTest\Item::class, 'child0'));
$second = $this->objFromFixture(ManyManyThroughListTest\TestObject::class, 'parent2');
$firstItems = $first->Items();
$secondItems = $second->Items();
$initialJoins = ManyManyThroughListTest\JoinObject::get()->count();
$initialItems = ManyManyThroughListTest\Item::get()->count();
$initialRelations = $firstItems->count();
$initialSecondListRelations = $secondItems->count();
$firstItems->removeAll();
// Validate all items were removed from the first list, but none were removed from the second list
$this->assertEquals(0, count($firstItems));
$this->assertEquals($initialSecondListRelations, count($secondItems));
// Validate that the JoinObjects were actually removed from the database
$this->assertEquals($initialJoins - $initialRelations, ManyManyThroughListTest\JoinObject::get()->count());
// Confirm Item objects were not removed from the database
$this->assertEquals($initialItems, ManyManyThroughListTest\Item::get()->count());
}
public function testRemoveAllIgnoresLimit()
{
$parent = $this->objFromFixture(ManyManyThroughListTest\TestObject::class, 'parent1');
$parent->Items()->add($this->objFromFixture(ManyManyThroughListTest\Item::class, 'child0'));
$initialJoins = ManyManyThroughListTest\JoinObject::get()->count();
// Validate there are enough items in the relation for this test
$this->assertTrue($initialJoins > 1);
$items = $parent->Items()->Limit(1);
$items->removeAll();
// Validate all items were removed from the list - not only one
$this->assertEquals(0, count($items));
}
public function testFilteredRemoveAll()
{
$parent = $this->objFromFixture(ManyManyThroughListTest\TestObject::class, 'parent1');
$parent->Items()->add($this->objFromFixture(ManyManyThroughListTest\Item::class, 'child0'));
$items = $parent->Items();
$initialJoins = ManyManyThroughListTest\JoinObject::get()->count();
$initialRelations = $items->count();
$items->filter('Title:not', 'not filtered')->removeAll();
// Validate only the filtered items were removed
$this->assertEquals(1, $items->count());
// Validate the list only contains the correct remaining item
$this->assertEquals(['not filtered'], $items->column('Title'));
}
/**
* Test validation
*

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@ -1,7 +1,12 @@
SilverStripe\ORM\Tests\ManyManyThroughListTest\TestObject:
parent1:
Title: 'my object'
parent2:
Title: 'my object2'
SilverStripe\ORM\Tests\ManyManyThroughListTest\Item:
# Having this one first means the IDs of records aren't the same as the IDs of the join objects.
child0:
Title: 'not filtered'
child1:
Title: 'item 1'
child2:
@ -17,6 +22,14 @@ SilverStripe\ORM\Tests\ManyManyThroughListTest\JoinObject:
Sort: 2
Parent: =>SilverStripe\ORM\Tests\ManyManyThroughListTest\TestObject.parent1
Child: =>SilverStripe\ORM\Tests\ManyManyThroughListTest\Item.child2
join3:
Title: 'join 3'
Parent: =>SilverStripe\ORM\Tests\ManyManyThroughListTest\TestObject.parent2
Child: =>SilverStripe\ORM\Tests\ManyManyThroughListTest\Item.child1
join4:
Title: 'join 4'
Parent: =>SilverStripe\ORM\Tests\ManyManyThroughListTest\TestObject.parent2
Child: =>SilverStripe\ORM\Tests\ManyManyThroughListTest\Item.child2
SilverStripe\ORM\Tests\ManyManyThroughListTest\PolyObjectA:
obja1:
Title: 'object A1'
@ -75,4 +88,4 @@ SilverStripe\ORM\Tests\ManyManyThroughListTest\FallbackLocale:
mexico_argentina:
Sort: 1
Parent: =>SilverStripe\ORM\Tests\ManyManyThroughListTest\Locale.mexico
Locale: =>SilverStripe\ORM\Tests\ManyManyThroughListTest\Locale.argentina
Locale: =>SilverStripe\ORM\Tests\ManyManyThroughListTest\Locale.argentina