landing.php

<?php
namespace Bitrix\Landing\DataLoader;
 
use \Bitrix\Landing\Block;
use \Bitrix\Landing\Hook;
use \Bitrix\Landing\Landing as LandingCore;
use \Bitrix\Landing\Landing\Cache;
 
class Landing extends \Bitrix\Landing\Source\DataLoader
{
    protected function getMetadata(array $ids)
    {
        $images = [];
        $res = \Bitrix\Landing\Internals\HookDataTable::getList([
            'select' => [
                'VALUE', 'ENTITY_ID', 'CODE'
            ],
            'filter' => [
                '=HOOK' => 'METAOG',
                '=CODE' => ['IMAGE', 'DESCRIPTION'],
                '=PUBLIC' => Hook::getEditMode() ? 'N' : 'Y',
                '=ENTITY_TYPE' => Hook::ENTITY_TYPE_LANDING,
                'ENTITY_ID' => $ids
            ]
        ]);
        while ($row = $res->fetch())
        {
            if (!isset($images[$row['ENTITY_ID']]))
            {
                $images[$row['ENTITY_ID']] = [];
            }
            if ($row['CODE'] == 'IMAGE')
            {
                if (intval($row['VALUE']) > 0)
                {
                    $row['VALUE'] = \Bitrix\Landing\File::getFilePath($row['VALUE']);
                }
            }
            $images[$row['ENTITY_ID']][$row['CODE']] = $row['VALUE'];
        }
 
        return $images;
    }
 
    protected function getSearchQuery()
    {
        static $currentRequest = null;
 
        if ($currentRequest === null)
        {
            $context = \Bitrix\Main\Application::getInstance()->getContext();
            $currentRequest = $context->getRequest();
        }
 
        return trim($currentRequest->get('q'));
    }
 
    protected function getSearchSnippet(string $query, string $content): string
    {
        $isUtf = defined('BX_UTF') && BX_UTF === true;
 
        if (!$isUtf)
        {
            [$content, $query] = \Bitrix\Main\Text\Encoding::convertEncoding(
                [$content, $query], SITE_CHARSET, 'UTF-8'
            );
        }
 
        $phrases = explode(' ', $query);
        \trimArr($phrases, true);
        $newContent = '';
        $snippetOffset = 50;
 
        foreach ($phrases as $phrase)
        {
            $phrasePos = mb_strpos(mb_strtolower($content), mb_strtolower($phrase));
            if ($phrasePos === false)
            {
                continue;
            }
            $newContent .= (($phrasePos > $snippetOffset) ? ' ...' : ' ') .
                            mb_substr(
                                $content,
                                ($phrasePos > $snippetOffset) ? $phrasePos - $snippetOffset : 0,
                                $phrasePos + mb_strlen($phrase) + $snippetOffset
                            ) .
                            '... ';
        }
 
        if (!$isUtf)
        {
            $newContent = \Bitrix\Main\Text\Encoding::convertEncoding(
                $newContent, 'UTF-8', SITE_CHARSET
            );
        }
 
        return $newContent;
    }
 
    public function getElementListData()
    {
        $this->seo->clear();
        $needPreviewPicture = false;
        $needPreviewText = false;
        $needLink = true;//always
 
        // select
        $select = $this->getPreparedSelectFields();
        if (empty($select))
        {
            return [];
        }
 
        // filter
        $filter = $this->getInternalFilter();
        $contextFilter = $this->getOptionsValue('context_filter');
        $cache = $this->getOptionsValue('cache');
        if (empty($filter))
        {
            $filter = [];
        }
        if (isset($contextFilter['SITE_ID']))
        {
            $filter['SITE_ID'] = $contextFilter['SITE_ID'];
        }
        if (isset($contextFilter['LANDING_ACTIVE']))
        {
            $filter['=ACTIVE'] = $contextFilter['LANDING_ACTIVE'];
        }
        $filter['==AREAS.ID'] = null;
 
        // select, order
        $order = [];
        $select[] = 'ID';
        $rawOrder = $this->getOrder();
        if (isset($rawOrder['by']) && isset($rawOrder['order']))
        {
            $order[$rawOrder['by']] = $rawOrder['order'];
            if (!in_array($rawOrder['by'], $select))
            {
                $select[] = $rawOrder['by'];
            }
        }
        foreach ($select as $i => $code)
        {
            if ($code == 'IMAGE')
            {
                $needPreviewPicture = true;
                unset($select[$i]);
            }
            else if ($code == 'DESCRIPTION')
            {
                $needPreviewText = true;
                unset($select[$i]);
            }
            else if ($code == 'LINK')
            {
                $needLink = true;
                unset($select[$i]);
            }
        }
 
        // limit
        $limit = $this->getLimit();
        if ($limit <= 0)
        {
            $limit = 10;
        }
 
        $searchContent = [];
        $query = $this->getSearchQuery();
        if ($query)
        {
            if ($cache instanceof \CPHPCache)
            {
                $cache->abortDataCache();
            }
 
            if (mb_strlen($query) < 3)
            {
                return [];
            }
 
            // search in blocks
            $blockFilter = [];
            if (isset($filter['SITE_ID']))
            {
                $blockFilter['LANDING.SITE_ID'] = $filter['SITE_ID'];
            }
            $blocks = Block::search(
                $query,
                $blockFilter,
                ['LID', 'ID', 'SEARCH_CONTENT']
            );
            $landingBlocksIds = [];
            foreach ($blocks as $block)
            {
                $searchContent[$block['LID']] = $this->getSearchSnippet($query, $block['SEARCH_CONTENT']);
                if (!$searchContent[$block['LID']])
                {
                    unset($searchContent[$block['LID']]);
                }
                $landingBlocksIds[] = $block['LID'];
            }
 
            // merge filter with search query
            $filter[] = [
                'LOGIC' => 'OR',
                'TITLE' => '%' . $query . '%',
                '*%SEARCH_CONTENT' => $query,
                'ID' => $landingBlocksIds ? $landingBlocksIds : [-1]
            ];
        }
 
        // get data
        $result = [];
        $res = LandingCore::getList([
            'select' => $select,
            'filter' => $filter,
            'order' => $order,
            'limit' => $limit
        ]);
        while ($row = $res->fetch())
        {
            Cache::register($row['ID']);
            $result[$row['ID']] = [
                'TITLE' => \htmlspecialcharsbx($row['TITLE'])
            ];
        }
 
        // get meta data
        $metaData = [];
        if (
            $needPreviewPicture ||
            $needPreviewText
        )
        {
            $metaData = $this->getMetadata(
                array_keys($result)
            );
        }
 
        // and feel result data with meta data
        foreach ($result as $id => &$item)
        {
            if (
                $needPreviewPicture &&
                isset($metaData[$id]['IMAGE'])
            )
            {
                $item['IMAGE'] = [
                    'src' => $metaData[$id]['IMAGE'],
                    'alt' => $item['TITLE'] ?? ''
                ];
            }
            if ($needPreviewText)
            {
                if (isset($searchContent[$id]))
                {
                    $item['DESCRIPTION'] = \htmlspecialcharsbx($searchContent[$id]);
                }
                else if (isset($metaData[$id]['DESCRIPTION']))
                {
                    $item['DESCRIPTION'] = \htmlspecialcharsbx($metaData[$id]['DESCRIPTION']);
                }
            }
            if ($needLink)
            {
                $item['LINK'] = '#landing' . $id;
            }
            if ($query)
            {
                $item['_GET'] = [
                    'q' => $query
                ];
            }
        }
 
        return array_values($result);
    }
 
    public function getElementData($element)
    {
        $this->seo->clear();
 
        $element = intval($element);
        if ($element <= 0)
        {
            return [];
        }
 
        // select
        $select = $this->getPreparedSelectFields();
        if (empty($select))
        {
            return [];
        }
 
        // filter
        $filter = $this->getInternalFilter();
        if (empty($filter))
        {
            return [];
        }
        $filter['ID'] = $element;
        $select[] = 'ID';
 
        // get data
        $res = LandingCore::getList([
            'select' => $select,
            'filter' => $filter,
        ]);
        $row = $res->fetch();
        if (empty($row))
        {
            return [];
        }
 
        Cache::register($row['ID']);
        $this->seo->setTitle($row['TITLE']);
 
        return [$row];
    }
}