customextensions.php

<?php
 
namespace Bitrix\Landing\Assets\PreProcessing;
 
use Bitrix\Landing\Assets;
use \Bitrix\Landing\Block;
use \Bitrix\Landing\Internals\BlockTable;
use Bitrix\Main\Web\Json;
 
class CustomExtensions
{
    protected const EXT_POPUP = 'landing_popup_link';
    protected const EXT_JQUERY = 'landing_jquery';
    protected const CRITICAL_EXTENSIONS = ['landing_jquery'];
    protected const HTML_BLOCK_CODE = 'html';
 
    protected static function saveExtensions(Block $block): void
    {
        $newExtensions = [];
        $content = $block->getContent();
        if (!$content)
        {
            return;
        }
 
        // <a href=> and data-url=""
        if (preg_match('/target=["\']_popup["\']/i', $content))
        {
            $newExtensions[] = self::EXT_POPUP;
        }
        // pseudo-urls
        if(preg_match_all('/data-pseudo-url=["\'][^"\']*_popup[^"\']*["\']/i', $content, $pseudoUrls))
        {
            foreach ($pseudoUrls[0] as $pseudoUrl)
            {
                $params = htmlspecialcharsback($pseudoUrl);
                $params = str_replace('data-pseudo-url=', '', $params);
                $params = substr($params,0,-1);
                $params = substr($params,1);
                // preserve JSON syntax error if params in wrong format
                try
                {
                    $params = Json::decode($params);
                    if($params['enabled'])
                    {
                        $newExtensions[] = self::EXT_POPUP;
                        break;
                    }
                }
                catch (\Exception $e){}
            }
        }
 
        // for partners using jQuery always
        // todo: add flag 'no_jq' for different jq?
        if ($block->getRepoId())
        {
            $newExtensions[] = self::EXT_JQUERY;
        }
 
        if ($block->getCode() === self::HTML_BLOCK_CODE)
        {
            $newExtensions[] = self::EXT_JQUERY;
        }
 
        if (!empty($newExtensions))
        {
            $extensions = ($block->getAsset()['ext'] ?? []) ?: [];
            $extensions = array_merge($newExtensions, $extensions);
            $block->saveAssets([
                'ext' => array_unique($extensions)
            ]);
            $block->save();
        }
    }
 
    public static function processing(Block $block): void
    {
        self::saveExtensions($block);
    }
 
    // todo: add version landing updater
    public static function processingLanding(int $landingId): void
    {
        $res = BlockTable::getList([
            'select' => [
                'ID'
            ],
            'filter' => [
                'LID' => $landingId,
                '=DELETED' => 'N'
            ]
        ]);
        while ($row = $res->fetch())
        {
            $block = new Block($row['ID']);
            self::processing($block);
            $block->save();
        }
    }
 
    public static function view(Block $block): void
    {
        $blockAssets = $block->getAssets();
        if (isset($blockAssets['ext']))
        {
            $assets = Assets\Manager::getInstance();
            foreach ($blockAssets['ext'] as $ext)
            {
                $location = Assets\Location::getDefaultLocation();
                if (in_array($ext, self::CRITICAL_EXTENSIONS, true))
                {
                    $location = Assets\Location::LOCATION_BEFORE_ALL;
                }
                $assets->addAsset($ext, $location);
            }
        }
    }
}