buttons.php

<?php
 
namespace Bitrix\Landing\Update\Block;
 
use Bitrix\Landing\Internals\BlockTable;
 
class Buttons
{
    protected const BTN_CLASS_MATCHER = '/class=(["\'][^"\']*\s|["\'])btn(\s[^"\']*["\']|["\'])/i';
    protected const OLD_BUTTON_MATCHER = '/class=["\'][^"\']*u-btn-\w+[^"\']*["\']/i';
    protected const BUTTON_COLOR_MATCHER = '/(?<=[\s\'"])u-btn-(\w+)([\s\'"])/i';
    protected const BUTTON_COLOR_OUTLINE_MATCHER = '/(?<=[\s\'"])u-btn-outline-(\w+)([\s\'"])/i';
    protected const BUTTON_COLOR_THEME_MATCHER = '/(?<=[\s\'"])u-(theme-bitrix-btn-v)(\d{1,})([\s\'"])/i';
    protected const BUTTON_COLOR_THEME_OUTLINE_MATCHER = '/(?<=[\s\'"])u-(theme-bitrix-btn-outline-v)(\d{1,})([\s\'"])/i';
    protected const BUTTON_BORDER_MATCHER = '/(?<=[\s\'"])g-brd-[\d]{1,2}([\s\'"])/i';
    protected const PADDING_MATCHER = '/(?<=[\s\'"])(g-p[abtlrxy]-\d{1,3}(--\w\w)?)([\s\'"])/i';
 
    protected $blockId;
    protected $content;
 
    public function __construct($blockId, $content)
    {
        $this->blockId = $blockId;
        $this->content = $content;
    }
 
    public function update(): void
    {
        preg_match_all(self::BTN_CLASS_MATCHER, $this->content, $contentMatches);
        $newContentMatches = [];
        foreach ($contentMatches[0] as $contentMatchesItem)
        {
            $contentMatchesItem = $this->changeColor($contentMatchesItem);
            $contentMatchesItem = $this->changeBorder($contentMatchesItem);
            $contentMatchesItem = $this->changeRound($contentMatchesItem);
            $contentMatchesItem = $this->changePadding($contentMatchesItem);
            array_push($newContentMatches, $contentMatchesItem);
        }
 
        $this->content = str_replace($contentMatches[0], $newContentMatches, $this->content);
        $this->save();
    }
 
    protected function save(): void
    {
        BlockTable::update(
            $this->blockId,
            [
                'CONTENT' => $this->content
            ]
        );
    }
 
    protected function changeColor($content)
    {
        $content = preg_replace(self::BUTTON_COLOR_MATCHER, 'g-btn-$1 g-btn-type-solid$2', $content);
        $content = preg_replace(self::BUTTON_COLOR_OUTLINE_MATCHER, 'g-btn-$1 g-btn-type-outline$2', $content);
        $content = preg_replace(self::BUTTON_COLOR_THEME_MATCHER, 'g-$1$2 g-btn-type-solid$3', $content);
        $content = preg_replace(self::BUTTON_COLOR_THEME_OUTLINE_MATCHER, 'g-$1$2 g-btn-type-outline$3', $content);
        return $content;
    }
 
    protected function changeBorder($content)
    {
        $content = preg_replace(self::BUTTON_BORDER_MATCHER, '$1', $content);
        return $content;
    }
 
    protected function changeRound($content)
    {
        $content = str_replace('g-rounded-50x', 'g-rounded-50', $content);
        return $content;
    }
 
    protected function changePadding($content)
    {
        $content = preg_replace(self::PADDING_MATCHER, '$3', $content);
        return $content;
    }
 
    public static function isOldButton($content): bool
    {
        return (bool) preg_match(self::OLD_BUTTON_MATCHER, $content);
    }
 
    public static function updateLanding(int $lid): void
    {
        $res = BlockTable::getList(
            [
                'select' => [
                    'ID', 'CONTENT'
                ],
                'filter' => [
                    'LID' => $lid,
                ],
            ]
        );
        while ($row = $res->fetch())
        {
            if(self::isOldButton($row['CONTENT']))
            {
                $buttonBlock = new self($row['ID'], $row['CONTENT']);
                $buttonBlock->update();
            }
        }
    }
 
}