AddBlockAction.php

<?php
 
namespace Bitrix\Landing\History\Action;
 
use Bitrix\Landing\Block;
use Bitrix\Landing\Landing;
 
class AddBlockAction extends BaseAction
{
    protected const JS_COMMAND = 'addBlock';
 
    public function execute(bool $undo = true): bool
    {
        $blockId = (int)$this->params['block'];
        $landing = Landing::createInstance($this->params['lid']);
        if (
            $landing->exist()
            && $landing->markDeletedBlock($blockId, false)
        )
        {
            foreach ($landing->getBlocks() as $id => $block)
            {
                if ($id === $blockId)
                {
                    $block->setSort($block->getSort() - 1);
                    break;
                }
            }
 
            $landing->resortBlocks();
 
            return true;
        }
 
        return false;
    }
 
    public static function enrichParams(array $params): array
    {
        $block = $params['block'];
        $blockSort = $block->getSort();
        $code = $block->getCode();
        $landing = Landing::createInstance($block->getLandingId());
        $previousId = 0;
        $previousSort = 0;
        foreach ($landing->getBlocks() as $bid => $b)
        {
            $currentSort = $b->getSort();
            if ($currentSort >= $previousSort && $currentSort < $blockSort)
            {
                $previousSort = $currentSort;
                $previousId = $bid;
            }
        }
 
        return [
            'block' => $block->getId(),
            'selector' => '#' . Block::getAnchor($block->getId()),
            'lid' => $block->getLandingId(),
            'code' => $code,
            'currentBlock' => $previousId,
            'insertBefore' => false,
        ];
    }
}