/**
* Remove invariant attributes from the render setting.
*
* This is done by cloning the input collection of render settings and removing any invariant attribute.
*
* @param IItem $nativeItem The native item.
*
* @param ICollection $renderSetting The render setting to be used.
*
* @return ICollection
*/
protected static function removeInvariantAttributes(IItem $nativeItem, ICollection $renderSetting)
{
$model = $nativeItem->getMetaModel();
if ($model->hasVariants() && !$nativeItem->isVariantBase()) {
// Create a clone to have a separate copy of the object as we are going to manipulate it here.
$renderSetting = clone $renderSetting;
// Loop over all attributes and remove those from rendering that are not desired.
foreach (array_keys($model->getInVariantAttributes()) as $strAttrName) {
$renderSetting->setSetting($strAttrName, null);
}
}
return $renderSetting;
}
/**
* {@inheritdoc}
*/
public function delete(IItem $objItem)
{
$arrIds = array($objItem->get('id'));
// Determine if the model is a variant base and if so, fetch the variants additionally.
if ($objItem->isVariantBase()) {
$objVariants = $objItem->getVariants(new Filter($this));
foreach ($objVariants as $objVariant) {
/** @var IItem $objVariant */
$arrIds[] = $objVariant->get('id');
}
}
// Complex attributes shall delete their values first.
foreach ($this->getAttributes() as $objAttribute) {
if ($this->isComplexAttribute($objAttribute)) {
/** @var IComplex $objAttribute */
$objAttribute->unsetDataFor($arrIds);
}
}
// Now make the real row disappear.
$this->getDatabase()->prepare(sprintf('DELETE FROM %s WHERE id IN (%s)', $this->getTableName(), $this->buildDatabaseParameterList($arrIds)))->execute($arrIds);
}
