public function uniqueCheck()
{
if ($this->owner instanceof ActiveRecordInterface) {
/** @var Model $model */
$model = clone $this->owner;
$uniqueValidator = new UniqueValidator();
$uniqueValidator->validateAttribute($model, $this->slugAttributeName);
return !$model->hasErrors($this->slugAttributeName);
}
throw new Exception('Can\'t check if the slug is unique.');
}
/**
* @inheritdoc
*/
public function validateAttribute($model, $attribute)
{
if (is_array($this->targetAttribute) && count($this->targetAttribute) > 1) {
$skip = false;
$keyAttribute = $attribute;
foreach ($this->targetAttribute as $key => $value) {
$keyAttribute = is_int($key) ? $value : $key;
$skip = $this->skipOnError && $model->hasErrors($keyAttribute) || $this->skipOnEmpty && $this->isEmpty($model->{$keyAttribute});
if ($skip) {
break;
}
}
if (!$skip && $keyAttribute == $attribute) {
parent::validateAttribute($model, $attribute);
}
} else {
parent::validateAttribute($model, $attribute);
}
}
public function testValidateCompositeKeys()
{
$val = new UniqueValidator(['targetClass' => OrderItem::className(), 'targetAttribute' => ['order_id', 'item_id']]);
// validate old record
$m = OrderItem::findOne(['order_id' => 1, 'item_id' => 2]);
$val->validateAttribute($m, 'order_id');
$this->assertFalse($m->hasErrors('order_id'));
$m->item_id = 1;
$val->validateAttribute($m, 'order_id');
$this->assertTrue($m->hasErrors('order_id'));
// validate new record
$m = new OrderItem(['order_id' => 1, 'item_id' => 2]);
$val->validateAttribute($m, 'order_id');
$this->assertTrue($m->hasErrors('order_id'));
$m = new OrderItem(['order_id' => 10, 'item_id' => 2]);
$val->validateAttribute($m, 'order_id');
$this->assertFalse($m->hasErrors('order_id'));
$val = new UniqueValidator(['targetClass' => OrderItem::className(), 'targetAttribute' => ['id' => 'order_id']]);
// validate old record
$m = Order::findOne(1);
$val->validateAttribute($m, 'id');
$this->assertTrue($m->hasErrors('id'));
$m = Order::findOne(1);
$m->id = 2;
$val->validateAttribute($m, 'id');
$this->assertTrue($m->hasErrors('id'));
$m = Order::findOne(1);
$m->id = 10;
$val->validateAttribute($m, 'id');
$this->assertFalse($m->hasErrors('id'));
$m = new Order(['id' => 1]);
$val->validateAttribute($m, 'id');
$this->assertTrue($m->hasErrors('id'));
$m = new Order(['id' => 10]);
$val->validateAttribute($m, 'id');
$this->assertFalse($m->hasErrors('id'));
}