/**
* Reorder the entire sequence if on of the blocks changes position.
* @param int $oldValue
* @param CurriculumInventorySequenceBlockInterface $block
* @param ManagerInterface $manager
* @throws \OutOfRangeException
*/
protected function reorderBlocksInSequenceOnOrderChange($oldValue, CurriculumInventorySequenceBlockInterface $block, ManagerInterface $manager)
{
$parent = $block->getParent();
if (!$parent) {
return;
}
if ($parent->getChildSequenceOrder() !== CurriculumInventorySequenceBlockInterface::ORDERED) {
return;
}
$newValue = $block->getOrderInSequence();
$blocks = $parent->getChildrenAsSortedList();
$blocks = array_filter($blocks, function ($sibling) use($block) {
return $sibling->getId() !== $block->getId();
});
$blocks = array_values($blocks);
$minRange = 1;
$maxRange = count($blocks) + 1;
if ($newValue < $minRange || $newValue > $maxRange) {
throw new \OutOfRangeException("The given order-in-sequence value {$newValue} falls outside the range {$minRange} - {$maxRange}.");
}
if ($oldValue === $newValue) {
return;
}
array_splice($blocks, $block->getOrderInSequence() - 1, 0, [$block]);
for ($i = 0, $n = count($blocks); $i < $n; $i++) {
/* @var CurriculumInventorySequenceBlockInterface $current */
$current = $blocks[$i];
$j = $i + 1;
if ($current->getId() !== $block && $current->getOrderInSequence() !== $j) {
$current->setOrderInSequence($j);
$manager->update($current, false, false);
}
}
}
