metaog.php

<?php
namespace Bitrix\Landing\Hook\Page;
 
use \Bitrix\Landing\Hook;
use \Bitrix\Landing\Internals\HookDataTable;
use \Bitrix\Landing\File;
use \Bitrix\Landing\Manager;
use \Bitrix\Landing\Field;
use \Bitrix\Landing\PublicAction;
use \Bitrix\Landing\Landing\Seo;
use \Bitrix\Main\Localization\Loc;
 
Loc::loadMessages(__FILE__);
 
class MetaOg extends \Bitrix\Landing\Hook\Page
{
    protected function getMap()
    {
        return array(
            'TITLE' => new Field\Textarea('TITLE', array(
                'title' => Loc::getMessage('LANDING_HOOK_METAOG_TITLE'),
                'placeholder' => Loc::getMessage('LANDING_HOOK_METAOG_TITLE_PLACEHOLDER'),
                'maxlength' => 140,
                'searchable' => true
            )),
            'DESCRIPTION' => new Field\Textarea('DESCRIPTION', array(
                'title' => Loc::getMessage('LANDING_HOOK_METAOG_DESCRIPTION'),
                'placeholder' => Loc::getMessage('LANDING_HOOK_METAOG_DESCRIPTION_PLACEHOLDER'),
                'maxlength' => 300,
                'searchable' => true
            )),
            'IMAGE' => new Field\Hidden('IMAGE', array(
                'title' => Loc::getMessage('LANDING_HOOK_METAOG_PICTURE'),
                'fetch_data_modification' => function($value)
                {
                    if (PublicAction::restApplication())
                    {
                        if ($value > 0)
                        {
                            $path = File::getFilePath($value);
                            if ($path)
                            {
                                $path = Manager::getUrlFromFile($path);
                                return $path;
                            }
                        }
                    }
                    return $value;
                }
            ))
        );
    }
 
    public static function getAllImages($entityType = Hook::ENTITY_TYPE_LANDING)
    {
        $images = array();
        $res = HookDataTable::getList(array(
            'select' => array(
                'VALUE', 'ENTITY_ID'
            ),
            'filter' => array(
                '=HOOK' => 'METAOG',
                '=CODE' => 'IMAGE',
                '=ENTITY_TYPE' => $entityType,
                '=PUBLIC' => 'N'
            )
        ));
        while ($row = $res->fetch())
        {
            $images[$row['ENTITY_ID']] = $row['VALUE'];
        }
 
        return $images;
    }
 
    public function getTitle()
    {
        return Loc::getMessage('LANDING_HOOK_METAOG_NAME');
    }
 
    public function enabledInEditMode()
    {
        return false;
    }
 
    public function enabled()
    {
        if ($this->issetCustomExec())
        {
            return true;
        }
 
        return
                trim($this->fields['TITLE']) != '' ||
                trim($this->fields['DESCRIPTION']) != '' ||
                trim($this->fields['IMAGE']) != '';
    }
 
    public function exec()
    {
        if ($this->execCustom())
        {
            return;
        }
 
        $output = '';
        $files = [];
        $tags = [
            'title' => \htmlspecialcharsbx(Seo::processValue('title', $this->fields['TITLE'])),
            'description' => \htmlspecialcharsbx(Seo::processValue('description', $this->fields['DESCRIPTION'])),
            'image' => trim($this->fields['IMAGE']),
            'type' => 'website'
        ];
        foreach (['og', 'twitter'] as $rootTag)
        {
            foreach ($tags as $key => $val)
            {
                if ($key == 'image' && intval($val) > 0)
                {
                    $val = intval($val);
                    if (!array_key_exists($val, $files))
                    {
                        $files[$val] = File::getFileArray($val);
                    }
                    $val = $files[$val];
                }
                if ($val)
                {
                    if ($key == 'image')
                    {
                        if (is_array($val))
                        {
                            $val['SRC'] = Manager::getUrlFromFile($val['SRC']);
                            $output .= '<meta property="' . $rootTag . ':image" content="' . str_replace(' ', '%20', \htmlspecialcharsbx($val['SRC'])) . '" />';
                            if ($rootTag != 'twitter')
                            {
                                $output .=
                                    '<meta property="' . $rootTag . ':image:width" content="' . $val['WIDTH'] . '" />' .
                                    '<meta property="' . $rootTag . ':image:height" content="' . $val['HEIGHT'] . '" />';
                            }
                        }
                        else
                        {
                            $output .= '<meta property="' . $rootTag . ':image" content="' . str_replace(' ', '%20', \htmlspecialcharsbx($val)) . '" />';
                        }
                        if ($rootTag == 'twitter')
                        {
                            $output .= '<meta name="twitter:card" content="summary_large_image" />';
                        }
                    }
                    else
                    {
                        $output .= '<meta property="' . $rootTag . ':' . $key . '" content="' . $val . '" />';
                    }
                }
            }
        }
        if ($output)
        {
            Manager::setPageView('MetaOG', $output);
        }
    }
}