Merge pull request #260 from creative-commoners/pulls/3.1/many-many-reordering-fix

NEW Add support for ManyManyThrough relations
This commit is contained in:
Robbie Averill 2018-07-02 09:59:51 +12:00 committed by GitHub
commit 7fdfe234fd
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8 changed files with 392 additions and 64 deletions

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@ -2,6 +2,7 @@
namespace Symbiote\GridFieldExtensions;
use Exception;
use SilverStripe\Control\Controller;
use SilverStripe\Control\RequestHandler;
use SilverStripe\Core\ClassInfo;
@ -17,9 +18,11 @@ use SilverStripe\ORM\ArrayList;
use SilverStripe\ORM\DataList;
use SilverStripe\ORM\DataObject;
use SilverStripe\ORM\DataObjectInterface;
use SilverStripe\ORM\DataObjectSchema;
use SilverStripe\ORM\DB;
use SilverStripe\ORM\ManyManyList;
use SilverStripe\ORM\Map;
use SilverStripe\ORM\ManyManyThroughList;
use SilverStripe\ORM\ManyManyThroughQueryManipulator;
use SilverStripe\ORM\SS_List;
use SilverStripe\ORM\FieldType\DBDatetime;
use SilverStripe\Versioned\Versioned;
@ -141,6 +144,18 @@ class GridFieldOrderableRows extends RequestHandler implements
return $this->extraSortFields;
}
/**
* Checks to see if the relationship list is for a type of many_many
*
* @param SS_List $list
*
* @return bool
*/
protected function isManyMany(SS_List $list)
{
return $list instanceof ManyManyList || $list instanceof ManyManyThroughList;
}
/**
* Sets extra sort fields to apply before the sort field.
*
@ -183,12 +198,19 @@ class GridFieldOrderableRows extends RequestHandler implements
{
$field = $this->getSortField();
// Check extra fields on many many relation types
if ($list instanceof ManyManyList) {
$extra = $list->getExtraFields();
if ($extra && array_key_exists($field, $extra)) {
return;
}
} elseif ($list instanceof ManyManyThroughList) {
$manipulator = $this->getManyManyInspector($list);
$fieldTable = DataObject::getSchema()->tableForField($manipulator->getJoinClass(), $field);
if ($fieldTable) {
return;
}
}
$classes = ClassInfo::dataClassesFor($list->dataClass());
@ -199,7 +221,7 @@ class GridFieldOrderableRows extends RequestHandler implements
}
}
throw new \Exception("Couldn't find the sort field '" . $field . "'");
throw new Exception("Couldn't find the sort field '" . $field . "'");
}
/**
@ -217,6 +239,8 @@ class GridFieldOrderableRows extends RequestHandler implements
if ($extra && array_key_exists($field, $extra)) {
return $table;
}
} elseif ($list instanceof ManyManyThroughList) {
return $this->getManyManyInspector($list)->getJoinAlias();
}
$classes = ClassInfo::dataClassesFor($list->dataClass());
foreach ($classes as $class) {
@ -224,7 +248,7 @@ class GridFieldOrderableRows extends RequestHandler implements
return DataObject::getSchema()->tableName($class);
}
}
throw new \Exception("Couldn't find the sort field '$field'");
throw new Exception("Couldn't find the sort field '$field'");
}
public function getURLHandlers($grid)
@ -340,9 +364,10 @@ class GridFieldOrderableRows extends RequestHandler implements
}
$list = $grid->getList();
$modelClass = $grid->getModelClass();
if ($list instanceof ManyManyList && !singleton($modelClass)->canView()) {
$isManyMany = $this->isManyMany($list);
if ($isManyMany && !singleton($modelClass)->canView()) {
$this->httpError(403);
} elseif (!($list instanceof ManyManyList) && !singleton($modelClass)->canEdit()) {
} elseif (!$isManyMany && !singleton($modelClass)->canEdit()) {
$this->httpError(403);
}
@ -364,10 +389,10 @@ class GridFieldOrderableRows extends RequestHandler implements
}
/**
* Get mapping of sort value to ID from posted data
* Get mapping of sort value to item ID from posted data (gridfield list state), ordered by sort value.
*
* @param array $data Raw posted data
* @return array
* @return array [sortIndex => recordID]
*/
protected function getSortedIDs($data)
{
@ -470,10 +495,10 @@ class GridFieldOrderableRows extends RequestHandler implements
*/
protected function executeReorder(GridField $grid, $sortedIDs)
{
if (!is_array($sortedIDs)) {
if (!is_array($sortedIDs) || empty($sortedIDs)) {
return false;
}
$field = $this->getSortField();
$sortField = $this->getSortField();
$sortterm = '';
if ($this->extraSortFields) {
@ -486,7 +511,7 @@ class GridFieldOrderableRows extends RequestHandler implements
}
}
$list = $grid->getList();
$sortterm .= '"'.$this->getSortTable($list).'"."'.$field.'"';
$sortterm .= '"'.$this->getSortTable($list).'"."'.$sortField.'"';
$items = $list->filter('ID', $sortedIDs)->sort($sortterm);
// Ensure that each provided ID corresponded to an actual object.
@ -507,11 +532,22 @@ class GridFieldOrderableRows extends RequestHandler implements
if (isset($record->_SortColumn0)) {
$current[$record->ID] = $record->_SortColumn0;
} else {
$current[$record->ID] = $record->$field;
$current[$record->ID] = $record->$sortField;
}
}
} elseif ($items instanceof ManyManyThroughList) {
$manipulator = $this->getManyManyInspector($list);
$joinClass = $manipulator->getJoinClass();
$fromRelationName = $manipulator->getForeignKey();
$toRelationName = $manipulator->getLocalKey();
$sortlist = DataList::create($joinClass)->filter([
$toRelationName => $items->column('ID'),
// first() is safe as there are earlier checks to ensure our list to sort is valid
$fromRelationName => $items->first()->getJoin()->$fromRelationName,
]);
$current = $sortlist->map($toRelationName, $sortField)->toArray();
} else {
$current = $items->map('ID', $field)->toArray();
$current = $items->map('ID', $sortField)->toArray();
}
// Perform the actual re-ordering.
@ -519,35 +555,51 @@ class GridFieldOrderableRows extends RequestHandler implements
return true;
}
/**
* @param SS_List $list
* @param array $values **UNUSED** [listItemID => currentSortValue];
* @param array $sortedIDs [newSortValue => listItemID]
*/
protected function reorderItems($list, array $values, array $sortedIDs)
{
// setup
$sortField = $this->getSortField();
/** @var SS_List $map */
$map = $list->map('ID', $sortField);
//fix for versions of SS that return inconsistent types for `map` function
if ($map instanceof Map) {
$map = $map->toArray();
}
// If not a ManyManyList and using versioning, detect it.
$this->validateSortField($list);
$isVersioned = false;
$class = $list->dataClass();
// The problem is that $sortedIDs is a list of the _related_ item IDs, which causes trouble
// with ManyManyThrough, where we need the ID of the _join_ item in order to set the value.
$itemToSortReference = ($list instanceof ManyManyThroughList) ? 'getJoin' : 'Me';
$currentSortList = $list->map('ID', $itemToSortReference)->toArray();
// sanity check.
$this->validateSortField($list);
$isVersioned = false;
// check if sort column is present on the model provided by dataClass() and if it's versioned
// cases:
// Model has sort column and is versioned - handle as versioned
// Model has sort column and is NOT versioned - handle as NOT versioned
// Model doesn't have sort column because sort column is on ManyManyList - handle as NOT versioned
// Model doesn't have sort column because sort column is on ManyManyThroughList...
// - Related item is not versioned:
// - Through object is versioned: THROW an error.
// - Through object is NOT versioned: handle as NOT versioned
// - Related item is versioned...
// - Through object is versioned: handle as versioned
// - Through object is NOT versioned: THROW an error.
if ($list instanceof ManyManyThroughList) {
$listClassVersioned = $class::create()->hasExtension(Versioned::class);
// We'll be updating the join class, not the relation class.
$class = $this->getManyManyInspector($list)->getJoinClass();
$isVersioned = $class::create()->hasExtension(Versioned::class);
// try to match table name, note that we have to cover the case where the table which has the sort column
// belongs to ancestor of the object which is populating the list
$classes = ClassInfo::ancestry($class, true);
foreach ($classes as $currentClass) {
if (DataObject::getSchema()->tableName($currentClass) == $this->getSortTable($list)) {
$isVersioned = $class::has_extension(Versioned::class);
break;
// If one side of the relationship is versioned and the other is not, throw an error.
if ($listClassVersioned xor $isVersioned) {
throw new Exception(
'ManyManyThrough cannot mismatch Versioning between join class and related class'
);
}
} elseif (!$this->isManyMany($list)) {
$isVersioned = $class::create()->hasExtension(Versioned::class);
}
// Loop through each item, and update the sort values which do not
@ -556,22 +608,22 @@ class GridFieldOrderableRows extends RequestHandler implements
$sortTable = $this->getSortTable($list);
$now = DBDatetime::now()->Rfc2822();
$additionalSQL = '';
$baseTable = DataObject::getSchema()->baseDataTable($list->dataClass());
$baseTable = DataObject::getSchema()->baseDataTable($class);
$isBaseTable = ($baseTable == $sortTable);
if (!$list instanceof ManyManyList && $isBaseTable) {
$additionalSQL = ", \"LastEdited\" = '$now'";
}
foreach ($sortedIDs as $sortValue => $id) {
if ($map[$id] != $sortValue) {
foreach ($sortedIDs as $newSortValue => $targetRecordID) {
if ($currentSortList[$targetRecordID]->$sortField != $newSortValue) {
DB::query(sprintf(
'UPDATE "%s" SET "%s" = %d%s WHERE %s',
$sortTable,
$sortField,
$sortValue,
$newSortValue,
$additionalSQL,
$this->getSortTableClauseForIds($list, $id)
$this->getSortTableClauseForIds($list, $targetRecordID)
));
if (!$isBaseTable && !$list instanceof ManyManyList) {
@ -579,20 +631,22 @@ class GridFieldOrderableRows extends RequestHandler implements
'UPDATE "%s" SET "LastEdited" = \'%s\' WHERE %s',
$baseTable,
$now,
$this->getSortTableClauseForIds($list, $id)
$this->getSortTableClauseForIds($list, $targetRecordID)
));
}
}
}
} else {
// For versioned objects, modify them with the ORM so that the
// *_versions table is updated. This ensures re-ordering works
// *_Versions table is updated. This ensures re-ordering works
// similar to the SiteTree where you change the position, and then
// you go into the record and publish it.
foreach ($sortedIDs as $sortValue => $id) {
if ($map[$id] != $sortValue) {
$record = $class::get()->byID($id);
$record->$sortField = $sortValue;
foreach ($sortedIDs as $newSortValue => $targetRecordID) {
// either the list data class (has_many, (belongs_)many_many)
// or the intermediary join class (many_many through)
$record = $currentSortList[$targetRecordID];
if ($record->$sortField != $newSortValue) {
$record->$sortField = $newSortValue;
$record->write();
}
}
@ -629,7 +683,7 @@ class GridFieldOrderableRows extends RequestHandler implements
$this->getSortTableClauseForIds($list, $id)
));
if (!$isBaseTable && !$list instanceof ManyManyList) {
if (!$isBaseTable && !$this->isManyMany($list)) {
DB::query(sprintf(
'UPDATE "%s" SET "LastEdited" = \'%s\' WHERE %s',
$baseTable,
@ -640,6 +694,18 @@ class GridFieldOrderableRows extends RequestHandler implements
}
}
/**
* Forms a WHERE clause for the table the sort column is defined on.
* e.g. ID = 5
* e.g. ID IN(5, 8, 10)
* e.g. SortOrder = 5 AND RelatedThing.ID = 3
* e.g. SortOrder IN(5, 8, 10) AND RelatedThing.ID = 3
*
* @param DataList $list
* @param int|string|array $ids a single number, or array of numbers
*
* @return string
*/
protected function getSortTableClauseForIds(DataList $list, $ids)
{
if (is_array($ids)) {
@ -648,10 +714,13 @@ class GridFieldOrderableRows extends RequestHandler implements
$value = '= ' . (int) $ids;
}
if ($list instanceof ManyManyList) {
$extra = $list->getExtraFields();
$key = $list->getLocalKey();
$foreignKey = $list->getForeignKey();
if ($this->isManyMany($list)) {
$introspector = $this->getManyManyInspector($list);
$extra = $list instanceof ManyManyList ?
$introspector->getExtraFields() :
DataObjectSchema::create()->fieldSpecs($introspector->getJoinClass(), DataObjectSchema::DB_ONLY);
$key = $introspector->getLocalKey();
$foreignKey = $introspector->getForeignKey();
$foreignID = (int) $list->getForeignID();
if ($extra && array_key_exists($this->getSortField(), $extra)) {
@ -667,4 +736,27 @@ class GridFieldOrderableRows extends RequestHandler implements
return "\"ID\" $value";
}
/**
* A ManyManyList defines functions such as getLocalKey, however on ManyManyThroughList
* these functions are moved to ManyManyThroughQueryManipulator, but otherwise retain
* the same signature.
*
* @param ManyManyList|ManyManyThroughList $list
*
* @return ManyManyList|ManyManyThroughQueryManipulator
*/
protected function getManyManyInspector($list)
{
$inspector = $list;
if ($list instanceof ManyManyThroughList) {
foreach ($list->dataQuery()->getDataQueryManipulators() as $manipulator) {
if ($manipulator instanceof ManyManyThroughQueryManipulator) {
$inspector = $manipulator;
break;
}
}
}
return $inspector;
}
}

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@ -14,6 +14,9 @@ use Symbiote\GridFieldExtensions\Tests\Stub\StubParent;
use Symbiote\GridFieldExtensions\Tests\Stub\StubSubclass;
use Symbiote\GridFieldExtensions\Tests\Stub\StubSubclassOrderedVersioned;
use Symbiote\GridFieldExtensions\Tests\Stub\StubUnorderable;
use Symbiote\GridFieldExtensions\Tests\Stub\ThroughDefiner;
use Symbiote\GridFieldExtensions\Tests\Stub\ThroughIntermediary;
use Symbiote\GridFieldExtensions\Tests\Stub\ThroughBelongs;
/**
* Tests for the {@link GridFieldOrderableRows} component.
@ -23,7 +26,10 @@ class GridFieldOrderableRowsTest extends SapphireTest
/**
* @var string
*/
protected static $fixture_file = 'GridFieldOrderableRowsTest.yml';
protected static $fixture_file = [
'GridFieldOrderableRowsTest.yml',
'OrderableRowsThroughTest.yml'
];
/**
* @var array
@ -36,27 +42,42 @@ class GridFieldOrderableRowsTest extends SapphireTest
StubOrderableChild::class,
StubOrderedVersioned::class,
StubSubclassOrderedVersioned::class,
ThroughDefiner::class,
ThroughIntermediary::class,
ThroughBelongs::class,
];
public function testReorderItems()
public function reorderItemsProvider()
{
$orderable = new GridFieldOrderableRows('ManyManySort');
return [
[StubParent::class . '.parent', 'MyManyMany', 'ManyManySort'],
[ThroughDefiner::class . '.DefinerOne', 'Belongings', 'Sort'],
];
}
/**
* @dataProvider reorderItemsProvider
*/
public function testReorderItems($fixtureID, $relationName, $sortName)
{
$orderable = new GridFieldOrderableRows($sortName);
$reflection = new ReflectionMethod($orderable, 'executeReorder');
$reflection->setAccessible(true);
$parent = $this->objFromFixture(StubParent::class, 'parent');
$config = new GridFieldConfig_RelationEditor();
$config->addComponent($orderable);
list($parentClass, $parentInstanceID) = explode('.', $fixtureID);
$parent = $this->objFromFixture($parentClass, $parentInstanceID);
$grid = new GridField(
'MyManyMany',
'My Many Many',
$parent->MyManyMany()->sort('ManyManySort'),
$relationName,
'Testing Many Many',
$parent->$relationName()->sort($sortName),
$config
);
$originalOrder = $parent->MyManyMany()->sort('ManyManySort')->column('ID');
$originalOrder = $parent->$relationName()->sort($sortName)->column('ID');
$desiredOrder = [];
// Make order non-contiguous, and 1-based
@ -68,7 +89,7 @@ class GridFieldOrderableRowsTest extends SapphireTest
$reflection->invoke($orderable, $grid, $desiredOrder);
$newOrder = $parent->MyManyMany()->sort('ManyManySort')->map('ManyManySort', 'ID')->toArray();
$newOrder = $parent->$relationName()->sort($sortName)->map($sortName, 'ID')->toArray();
$this->assertEquals($desiredOrder, $newOrder);
}
@ -157,7 +178,7 @@ class GridFieldOrderableRowsTest extends SapphireTest
foreach ($parent->MyHasManySubclassOrderedVersioned() as $item) {
/** @var StubSubclassOrderedVersioned|Versioned $item */
if ($item->stagesDiffer()) {
$this->fail('Unexpected diference found on stages');
$this->fail('Unexpected difference found on stages');
}
}

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@ -0,0 +1,30 @@
Symbiote\GridFieldExtensions\Tests\Stub\ThroughDefiner:
DefinerOne:
DefinerTwo:
Symbiote\GridFieldExtensions\Tests\Stub\ThroughBelongs:
BelongsOne:
BelongsTwo:
BelongsThree:
Symbiote\GridFieldExtensions\Tests\Stub\ThroughIntermediary:
One:
Defining: =>Symbiote\GridFieldExtensions\Tests\Stub\ThroughDefiner.DefinerOne
Belonging: =>Symbiote\GridFieldExtensions\Tests\Stub\ThroughBelongs.BelongsOne
Sort: 3
Two:
Defining: =>Symbiote\GridFieldExtensions\Tests\Stub\ThroughDefiner.DefinerOne
Belonging: =>Symbiote\GridFieldExtensions\Tests\Stub\ThroughBelongs.BelongsTwo
Sort: 2
Three:
Defining: =>Symbiote\GridFieldExtensions\Tests\Stub\ThroughDefiner.DefinerOne
Belonging: =>Symbiote\GridFieldExtensions\Tests\Stub\ThroughBelongs.BelongsThree
Sort: 1
Four:
Defining: =>Symbiote\GridFieldExtensions\Tests\Stub\ThroughDefiner.DefinerTwo
Belonging: =>Symbiote\GridFieldExtensions\Tests\Stub\ThroughBelongs.BelongsTwo
Sort: 1
Five:
Defining: =>Symbiote\GridFieldExtensions\Tests\Stub\ThroughDefiner.DefinerTwo
Belonging: =>Symbiote\GridFieldExtensions\Tests\Stub\ThroughBelongs.BelongsThree
Sort: 2

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@ -0,0 +1,126 @@
<?php
namespace Symbiote\GridFieldExtensions\Tests;
use ReflectionMethod;
use SilverStripe\Dev\SapphireTest;
use SilverStripe\Versioned\Versioned;
use SilverStripe\Forms\GridField\GridField;
use SilverStripe\Forms\GridField\GridFieldConfig_RelationEditor;
use Symbiote\GridFieldExtensions\Tests\Stub\ThroughDefiner;
use Symbiote\GridFieldExtensions\Tests\Stub\ThroughIntermediary;
use Symbiote\GridFieldExtensions\Tests\Stub\ThroughBelongs;
use Symbiote\GridFieldExtensions\GridFieldOrderableRows;
class OrderableRowsThroughTest extends SapphireTest
{
protected static $fixture_file = 'OrderableRowsThroughTest.yml';
protected static $extra_dataobjects = [
ThroughDefiner::class,
ThroughIntermediary::class,
ThroughBelongs::class,
];
protected static $required_extensions = [
ThroughDefiner::class => [Versioned::class],
ThroughIntermediary::class => [Versioned::class],
ThroughBelongs::class => [Versioned::class],
];
protected $originalReadingMode;
protected function setUp()
{
parent::setUp();
$this->orignalReadingMode = Versioned::get_reading_mode();
}
protected function tearDown()
{
Versioned::set_reading_mode($this->originalReadingMode);
unset($this->originalReadingMode);
parent::tearDown();
}
/**
* Basically the same as GridFieldOrderableRowsTest::testReorderItems
* but with some Versioned calls & checks mixed in.
*/
public function testReorderingSavesAndPublishes()
{
$parent = $this->objFromFixture(ThroughDefiner::class, 'DefinerOne');
$relationName = 'Belongings';
$sortName = 'Sort';
$orderable = new GridFieldOrderableRows($sortName);
$reflection = new ReflectionMethod($orderable, 'executeReorder');
$reflection->setAccessible(true);
$config = new GridFieldConfig_RelationEditor();
$config->addComponent($orderable);
// This test data is versioned - ensure we're all published
$parent->publishRecursive();
// there should be no difference between stages at this point
foreach ($parent->$relationName() as $item) {
$this->assertFalse(
$item->getJoin()->stagesDiffer(),
'No records should be different from their published versions'
);
}
$grid = new GridField(
'Belongings',
'Testing Many Many',
$parent->$relationName()->sort($sortName),
$config
);
$originalOrder = $parent->$relationName()->sort($sortName)->column('ID');
// Ring (un)shift by one, e.g. 3,2,1 becomes 1,3,2.
// then string key our new order starting at 1
$desiredOrder = array_values($originalOrder);
array_unshift($desiredOrder, array_pop($desiredOrder));
$desiredOrder = array_combine(
range('1', count($desiredOrder)),
$desiredOrder
);
$this->assertNotEquals($originalOrder, $desiredOrder);
// Perform the reorder
$reflection->invoke($orderable, $grid, $desiredOrder);
// Verify draft stage has reordered
Versioned::set_stage(Versioned::DRAFT);
$newOrder = $parent->$relationName()->sort($sortName)->map($sortName, 'ID')->toArray();
$this->assertEquals($desiredOrder, $newOrder);
// reorder should have been handled as versioned - there should be a difference between stages now
// by using a ring style shift every item should have a new sort (thus a new version).
$differenceFound = false;
foreach ($parent->$relationName() as $item) {
if ($item->getJoin()->stagesDiffer()) {
$differenceFound = true;
}
}
$this->assertTrue($differenceFound, 'All records should have changes in draft');
// Verify live stage has NOT reordered
Versioned::set_stage(Versioned::LIVE);
$sameOrder = $parent->$relationName()->sort($sortName)->column('ID');
$this->assertEquals($originalOrder, $sameOrder);
$parent->publishRecursive();
foreach ($parent->$relationName() as $item) {
$this->assertFalse(
$item->getJoin()->stagesDiffer(),
'No records should be different from their published versions anymore'
);
}
$newLiveOrder = $parent->$relationName()->sort($sortName)->map($sortName, 'ID')->toArray();
$this->assertEquals($desiredOrder, $newLiveOrder);
}
}

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@ -7,19 +7,19 @@ use SilverStripe\ORM\DataObject;
class StubParent extends DataObject implements TestOnly
{
private static $has_many = array(
private static $has_many = [
'MyHasMany' => StubOrdered::class,
'MyHasManySubclass' => StubSubclass::class,
'MyHasManySubclassOrderedVersioned' => StubSubclassOrderedVersioned::class,
);
];
private static $many_many = array(
'MyManyMany' => StubOrdered::class
);
private static $many_many = [
'MyManyMany' => StubOrdered::class,
];
private static $many_many_extraFields = array(
'MyManyMany' => array('ManyManySort' => 'Int')
);
private static $many_many_extraFields = [
'MyManyMany' => ['ManyManySort' => 'Int'],
];
private static $table_name = 'StubParent';
}

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@ -0,0 +1,15 @@
<?php
namespace Symbiote\GridFieldExtensions\Tests\Stub;
use SilverStripe\ORM\DataObject;
use SilverStripe\Dev\TestOnly;
class ThroughBelongs extends DataObject implements TestOnly
{
private static $table_name = 'BelongsThrough';
private static $belongs_many_many = [
'Definers' => ThroughDefiner::class,
];
}

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@ -0,0 +1,23 @@
<?php
namespace Symbiote\GridFieldExtensions\Tests\Stub;
use SilverStripe\ORM\DataObject;
use SilverStripe\Dev\TestOnly;
class ThroughDefiner extends DataObject implements TestOnly
{
private static $table_name = 'ManyThrough';
private static $many_many = [
'Belongings' => [
'through' => ThroughIntermediary::class,
'from' => 'Defining',
'to' => 'Belonging',
]
];
private static $owns = [
'Belongings'
];
}

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@ -0,0 +1,21 @@
<?php
namespace Symbiote\GridFieldExtensions\Tests\Stub;
use SilverStripe\ORM\DataObject;
use SilverStripe\ORM\FieldType\DBInt;
use SilverStripe\Dev\TestOnly;
class ThroughIntermediary extends DataObject implements TestOnly
{
private static $table_name = 'IntermediaryThrough';
private static $db = [
'Sort' => DBInt::class,
];
private static $has_one = [
'Defining' => ThroughDefiner::class,
'Belonging' => ThroughBelongs::class,
];
}