portal.mkgtu.ru/common/models/relation_presenters/OneToManyRelationPresenter.php

104 lines
4.0 KiB
PHP
Executable File

<?php
namespace common\models\relation_presenters;
use common\models\relation_presenters\comparison\interfaces\IHaveIdentityProp;
use common\modules\abiturient\models\drafts\DraftsManager;
use yii\db\ActiveQuery;
use yii\db\ActiveRecord;
class OneToManyRelationPresenter extends BaseRelationPresenter
{
public function __construct(string $relation_label, $config)
{
parent::__construct($relation_label, $config);
if (!$this->ignore_in_comparison && !((new $this->child_class()) instanceof IHaveIdentityProp)) {
throw new \RuntimeException("Class {$this->child_class} needs IHaveIdentityProp implementation");
}
}
public function getRelated(ActiveRecord $parent = null): array
{
if (!$this->requiredSchemaExists()) {
return [];
}
if (is_null($parent)) {
$parent = $this->parent_instance;
}
if ($parent->getIsNewRecord()) {
return [];
}
if ($this->actual_relation_name && !$this->props_to_eager_load) {
$candidates = $parent->{$this->actual_relation_name};
} elseif ($this->actual_relation_name && $this->props_to_eager_load) {
$method = $this->getMethodNameByProperty($this->actual_relation_name);
$candidates = $parent->{$method}()->with($this->props_to_eager_load)->all();
} else {
$query = $this->child_class::find();
if ($this->props_to_eager_load) {
$query = $query->with($this->props_to_eager_load);
}
$candidates = $query
->andWhere([$this->child_column_name => $parent->{$this->parent_column_name}])
->all();
}
return $candidates;
}
protected function getLinkProviders(ActiveRecord $new_parent, ActiveRecord $old_parent, ActiveRecord $old_child): array
{
[$parent_attrs_provider, $child_attrs_provider, $mediator_provider] = parent::getLinkProviders($new_parent, $old_parent, $old_child);
if ($this->child_column_name === 'id') {
$parent_attrs_provider = function (ActiveRecord $child) {
DraftsManager::ensurePersisted($child);
return [$this->parent_column_name => $child->{$this->child_column_name}];
};
} else {
DraftsManager::ensurePersisted($new_parent);
$child_attrs_provider = function (ActiveRecord $child) use ($new_parent) {
return [$this->child_column_name => $new_parent->{$this->parent_column_name}];
};
}
return [$parent_attrs_provider, $child_attrs_provider, $mediator_provider];
}
protected function unlinkUnusedChildren(ActiveRecord $parent, array $touched_children_ids): void
{
if (!$this->requiredSchemaExists()) {
return;
}
if ($this->child_column_name !== 'id') {
if ($parent->getIsNewRecord()) {
return;
}
if ($this->actual_relation_name) {
$method = $this->getMethodNameByProperty($this->actual_relation_name);
$query = $parent->{$method}();
} else {
$query = $this->child_class::find()
->andWhere([$this->child_column_name => $parent->{$this->parent_column_name}]);
}
$old_children = $query
->andWhere(['not', ['id' => $touched_children_ids]])
->all();
foreach ($old_children as $old_child) {
DraftsManager::SuspendHistory($old_child);
$old_child->delete();
}
} else {
if (!in_array($parent->{$this->parent_column_name}, $touched_children_ids)) {
$parent->{$this->parent_column_name} = null;
if ($parent->getIsNewRecord()) {
return;
}
DraftsManager::SuspendHistory($parent);
$parent->save(false, [$this->parent_column_name]);
}
}
}
}