<?php
namespace Application\Block\Search;
 
use Concrete\Block\Search\Controller as SearchBlockController;
use Concrete\Core\Page\PageList;
use Concrete\Core\Attribute\Key\CollectionKey;
 
class Controller extends SearchBlockController
{
 
    /**
     * Highlight parts of a text (extended version).
     *
     * @param string $fulltext the whole text
     * @param string $highlight The text to be highlighted
     *
     * @return string|null
     */
    public function highlightedExtendedMarkup($fulltext, $highlight)
    {
        $text = @preg_replace("#\n|\r#", ' ', $fulltext);
 
        $matches = [];
        $highlight = str_replace(['"', "'", '"'], '', $highlight); // strip the quotes as they mess the regex
 
        if (!$highlight) {
            $text = $this->app->make('helper/text')->shorten($fulltext, 180);
            if (strlen($fulltext) > 180) {
                $text .= '…<wbr>';
            }
            $result = $text;
        } else {
            $result = null;
            $search_vars = array_merge([$highlight], explode(' ', $highlight));  //this makes it search for whole phrase and individual words
 
            foreach ($search_vars as $key => $var) {
                $regex = '([[:alnum:]|\'|\.|_|\s]{0,45})' . preg_quote($var, '#') . '([[:alnum:]|\.|_|\s]{0,45})';
                preg_match_all("#$regex#ui", $text, $matches);
 
                if (!empty($matches[0])) {
                    $body_length = 0;
                    $body_string = [];
                    foreach ($matches[0] as $line) {
                        $body_length += strlen($line);
 
                        $r = $this->highlightedMarkup($line, $var);
                        if ($r) {
                            $body_string[] = $r;
                        }
                        if ($body_length > 150) {
                            break;
                        }
                    }
                    if (!empty($body_string)) {
                        $result .= (string) @implode('…<wbr>', $body_string);
                    }
                }
            }
        }
 
        return $result;
    }
 
    /**
     * Perform the search.
     *
     * @return null|false
     */
    public function do_search()
    {
        $query = (string) $this->request->request('query');
 
        $ipl = new PageList();
        $aksearch = false;
        $akIDs = $this->request->request('akID');
        if (is_array($akIDs)) {
            foreach ($akIDs as $akID => $req) {
                $fak = CollectionAttributeKey::getByID($akID);
                if (is_object($fak)) {
                    $type = $fak->getAttributeType();
                    $cnt = $type->getController();
                    $cnt->setAttributeKey($fak);
                    $cnt->searchForm($ipl);
                    $aksearch = true;
                }
            }
        }
 
        if ($this->request->request('month') !== null && $this->request->request('year') !== null) {
            $year = @(int) ($this->request->request('year'));
            $month = abs(@(int) ($this->request->request('month')));
            if (strlen(abs($year)) < 4) {
                $year = (($year < 0) ? '-' : '') . str_pad(abs($year), 4, '0', STR_PAD_LEFT);
            }
            if ($month < 12) {
                $month = str_pad($month, 2, '0', STR_PAD_LEFT);
            }
            $daysInMonth = date('t', strtotime("$year-$month-01"));
            $dh = Core::make('helper/date');
            /* @var $dh \Concrete\Core\Localization\Service\Date */
            $start = $dh->toDB("$year-$month-01 00:00:00", 'user');
            $end = $dh->toDB("$year-$month-$daysInMonth 23:59:59", 'user');
            $ipl->filterByPublicDate($start, '>=');
            $ipl->filterByPublicDate($end, '<=');
            $aksearch = true;
        }
 
        if ($query === '' && $aksearch === false) {
            return false;
        }
 
        if ($query !== '') {
            $search_vars = array_merge([$query], explode(' ', $query));  //this makes it search for whole phrase and individual words
            foreach($search_vars as $key=>$var){
                $ipl->filterByKeywords($var);
            }
        }
 
        $search_paths = $this->request->request('search_paths');
        if (is_array($search_paths)) {
            foreach ($search_paths as $path) {
                if ($path === '') {
                    continue;
                }
                $ipl->filterByPath($path);
            }
        } elseif ($this->baseSearchPath != '') {
            $ipl->filterByPath($this->baseSearchPath);
        }
 
        $cak = CollectionKey::getByHandle('exclude_search_index');
        if (is_object($cak)) {
            $ipl->filterByExcludeSearchIndex(false);
        }
 
        $pagination = $ipl->getPagination();
        $results = $pagination->getCurrentPageResults();
 
        $this->set('query', $query);
        $this->set('results', $results);
        $this->set('do_search', true);
        $this->set('searchList', $ipl);
        $this->set('pagination', $pagination);
    }
}