Наследование блоков PageBuilder (EvolutionCMS 2.x)

PageBuilderInheritable.php

<?php
/**
 * PageBuilderInheritable
 *
 * @author      delphinpro <[email protected]>
 * @copyright   copyright © 2019 delphinpro
 * @license     licensed under the MIT license
 */


namespace EvolutionCMS\Custom;


use Illuminate\Support\Facades\DB;


class PageBuilderInheritable
{
    public static function make(array $pbBlockDefinition, string $titleFieldName, string $blockId)
    {
        $evo = evolutionCMS();
        $parentIds = $evo->getParentIds($evo->documentObject['id']);
        $containers = !empty($pbBlockDefinition['container']) ? $pbBlockDefinition['container'] : 'default';

        $pbBlocks = DB::table('pagebuilder')
            ->select()
            ->whereIn('document_id', $parentIds)
            ->whereIn('container', $containers)
            ->where('config', $blockId)
            ->orderBy('document_id')
            ->get()
            ->toArray();

        $parentDocs = DB::table('site_content')
            ->select(['id', 'pagetitle'])
            ->whereIn('id', $parentIds)
            ->get()
            ->toArray();

        $docTitles = [];
        foreach ($parentDocs as $item) {
            $docTitles[$item->id] = $item->pagetitle;
        }

        $ddElements = [
            -1 => '--- Выберите блок, из которого следует унаследовать содержимое ---',
        ];

        foreach ($pbBlocks as $block) {
            $value = json_decode($block->values, true);
            $title = self::findDescription($value, $titleFieldName) ?: '* Без описания *';
            $substring = mb_substr(strip_tags($title), 0, 100);
            $title = $substring.(mb_strlen($substring) < mb_strlen($title) ? '...' : '');
            $ddElements[$block->id] = '[ '.$docTitles[$block->document_id].' ] '
                .($title ?: $pbBlockDefinition['title']);
        }

        $inheritableSupport = !empty($pbBlocks) ? [
            'inherit'   => [
                'caption'  => '',
                'type'     => 'checkbox',
                'layout'   => 'horizontal',
                'elements' => [1 => 'Наследовать'],
                'default'  => [],
            ],
            'inheritId' => [
                'type'     => 'dropdown',
                'elements' => $ddElements,
                'default'  => 1,
            ],
        ] : [];

        $pbBlockDefinition['fields'] = array_merge($inheritableSupport, $pbBlockDefinition['fields']);

        return $pbBlockDefinition;
    }


    private static function findDescription($fieldsValues, $titleFieldName)
    {
        $description = '';

        if (array_key_exists($titleFieldName, $fieldsValues) && trim($fieldsValues[$titleFieldName]) != '') {
            return $fieldsValues[$titleFieldName];
        }

        foreach ($fieldsValues as $name => $value) {
            if (is_string($value) && trim($value) != '' && !is_numeric($value)) {
                $description .= ' '.$value;
            }
            if (is_array($value)) {
                $_description = self::findDescription($value, $titleFieldName);
                if ($_description) {
                    $description .= ' '.$_description;
                }
            }
        }

        return $description;
    }
}