<?php
/**
 * $RCSfile$
 *
 * Description: Search output box
 *
 * @version 1.0.1
 * @author Willi Man
 * @copyright four for business AG <www.4fb.de>
 *
 * {@internal
 * created 2004-05-04
 * modified 2005-07-12 Andreas Lindner
 * modified 2008-04-11 Rudi Bieller
 * modified 2008-05-06 Rudi Bieller Added CON_SEARCH_MAXLEN_TEASERTEXT; Fixed <nobr> to be xhtml compliant;
 *                       Removed $action, $sCatName = getCategoryName($cat_id, $db); which was not used at all and
 *                       added a default output in case article/module was called directly (strlen(trim($searchterm)) == 0)
 * }}
 *
 * $Id$
 */

#System properties in use:
#Type: searchrange, Name: include
#Contains comma-separated list of cats to be included into search (sub-cats are included automatically)
#Logical combination of search terms with AND or OR

define('CON_SEARCH_ITEMSPERPAGE', 10);
define('CON_SEARCH_MAXLEN_TEASERTEXT', 200);

#Includes
cInclude('includes', 'functions.api.string.php');

#Initiliaze template object
if (!is_object($tpl)) {
    $tpl = new Template;
}
$tpl->reset();

#Settings
$oArticleProp = new Article_Property($db, $cfg);

$cApiClient = new cApiClient($client);
$sSearchRange = $cApiClient->getProperty('searchrange', 'include');
$aSearchRange = explode(',', $sSearchRange);

#Multilingual settings
$sYourSearchFor = mi18n("Ihre Suche nach");
$sMore = mi18n("mehr");

#Get search term and pre-process it
if (isset($_GET['searchterm'])) {
    $searchterm = urldecode(conHtmlentities(strip_tags(stripslashes($_GET['searchterm']))));
} elseif (isset($_POST['searchterm'])) {
    $searchterm = urldecode(conHtmlentities(strip_tags(stripslashes($_POST['searchterm']))));
}
$searchterm = str_replace(' + ', ' AND ', $searchterm);
$searchterm = str_replace(' - ', ' NOT ', $searchterm);
$searchterm_display = $searchterm;

#Get all article specs
$sql = "SELECT
        idartspec, artspec
    FROM
        " . $cfg['tab']['art_spec'] . "
    WHERE
        client=$client AND
        lang=$lang AND
        online=1";

$db->query($sql);
$aArtSpecs = array();
$c = 1;
$d = 1;
$e = 1;
while ($db->next_record()) {
    $aArtSpecs[] = $db->f('idartspec');
}
$aArtSpecs[] = 0;

if (strlen(trim($searchterm)) > 0) {
    #Fix for PHP < 4.3
    if (!function_exists('conHtmlEntityDecode')) {

        function conHtmlEntityDecode($given_html, $quote_style = ENT_QUOTES) {
            $trans_table = array_flip(conGetHtmlTranslationTable(HTML_SPECIALCHARS, $quote_style));
            $trans_table['&#39;'] = "'";
            return (strtr($given_html, $trans_table));
        }

    }

    #Parse search term and set search options
    $searchterm = conHtmlEntityDecode($searchterm);

    if (stristr($searchterm, ' or ') === FALSE) {
        $combine = 'and';
    } else {
        $combine = 'or';
    }
    $searchterm = str_replace(' and ', ' ', strtolower($searchterm));
    $searchterm = str_replace(' or ', ' ', strtolower($searchterm));

    $options = array(
        'db' => 'regexp', // use db function regexp
        'combine' => $combine, // combine searchterms with and
        'exclude' => false, // => searchrange specified in 'cat_tree', 'categories' and 'articles' is excluded, otherwise included (exclusive)
        'cat_tree' => $aSearchRange, // searchrange
        'artspecs' => $aArtSpecs, // array of article specifications => search only articles with these artspecs
        'protected' => true // => do not search articles or articles in categories which are offline or protected
    );

    $search = new Search($options);

    $cms_options = array("head", "html", "htmlhead", "htmltext", "text"); // search only in these cms-types
    $search->setCmsOptions($cms_options);

    #Execute search
    $aSearchResults = $search->searchIndex($searchterm, '');

    #Build results page
    if (count($aSearchResults) > 0) {
        $tpl->set('s', 'result_page', mi18n("Ergebnis-Seite") . ':');

        $imgMesssageRight = '<div class="searchImg"><img src="http://www.weltdertutorials.de/cms/images/rightNewsletter.png" /></div>';
        $pTagvorRight = '<p id="message" class="message">';
        $pTagnachRight = '</p>';
        #Build meessage
        $message = $imgMesssageRight . $pTagvorRight . $sYourSearchFor . " '" . conHtmlSpecialChars(strip_tags($searchterm_display)) . "' " . mi18n("hat $$$ Treffer ergeben") . ":" . $pTagnachRight;
        $message = str_replace('$$$', count($aSearchResults), $message);
        $tpl->set('s', 'MESSAGE', $message);

        #Number of results per page
        $number_of_results = CON_SEARCH_ITEMSPERPAGE;
        $oSearchResults = new SearchResult($aSearchResults, $number_of_results);

        $num_res = $oSearchResults->getNumberOfResults() + $pdf_count;
        $num_pages = $oSearchResults->getNumberOfPages();
        $oSearchResults->setReplacement('<strong>', '</strong>'); // html-tags to emphasize the located searchterms
        #Get current result page
        if (isset($_GET['page']) && is_numeric($_GET['page']) && $_GET['page'] > 0) {
            $page = $_GET['page'];
            $res_page = $oSearchResults->getSearchResultPage($page);
        } else {
            $page = 1;
            $res_page = $oSearchResults->getSearchResultPage($page);
        }

        #Build links to other result pages
        for ($i = 1; $i <= $num_pages; $i++) {
            // this is just for sample client - modify to your needs!
            if ($cfg['url_builder']['name'] == 'front_content' || $cfg['url_builder']['name'] == 'MR') {
                $aParams = array('lang' => $lang, 'idcat' => $idcat, 'idart' => $idart, 'searchterm' => $searchterm_display, 'page' => ($i . $sArtSpecs));
            } else {
                $aParams = array('search' => array('lang' => $lang, 'idcat' => $idcat, 'idart' => $idart, 'searchterm' => $searchterm_display, 'page' => ($i . $sArtSpecs)),
                    'idcat' => $idcat, // needed to build category path
                    'lang' => $lang, // needed to build category path
                    'level' => 1); // needed to build category path
            }
            try {
                $nextlink = Contenido_Url::getInstance()->build($aParams);
            } catch (InvalidArgumentException $e) {
                $nextlink = $sess->url('front_content.php?idcat=' . $idcat . '&amp;idart=' . $idart . '&amp;searchterm=' . $searchterm_display . '&amp;page=' . $i . $sArtSpecs);
            }
            if ($i == $page) {
                $nextlinks .= '<span style="white-space:nowrap;">&nbsp;<strong>' . $i . '</strong>&nbsp;</span>';
            } else {
                $nextlinks .= '<span style="white-space:nowrap;">&nbsp;<a href="' . $nextlink . '" title="' . $i . '. ' . mi18n("Ergebnisseite anzeigen") . '">' . $i . '</a>&nbsp;</span>';
            }
        }
        $tpl->set('s', 'PAGES', $nextlinks);

        #Build link to next result page
        if ($page < $num_pages) {
            $n = $page + 1;
            // this is just for sample client - modify to your needs!

            if ($cfg['url_builder']['name'] == 'front_content' || $cfg['url_builder']['name'] == 'MR') {
                $aParams = array('lang' => $lang, 'idcat' => $idcat, 'idart' => $idart, 'searchterm' => $searchterm_display, 'page' => ($n . $sArtSpecs));
            } else {
                $aParams = array('search' => array('lang' => $lang, 'idcat' => $idcat, 'idart' => $idart, 'searchterm' => $searchterm_display, 'page' => ($n . $sArtSpecs)),
                    'idcat' => $idcat, // needed to build category path
                    'lang' => $lang, // needed to build category path
                    'level' => 1); // needed to build category path
            }
            try {
                $next = Contenido_Url::getInstance()->build($aParams);
            } catch (InvalidArgumentException $e) {
                $next = $sess->url('front_content.php?idcat=' . $idcat . '&amp;idart=' . $idart . '&amp;searchterm=' . $searchterm . '&amp;page=' . $n . $sArtSpecs);
            }
            $nextpage .= '&nbsp;<a href="' . $next . '" title="' . mi18n("nächste Ergebnisseite anzeigen") . '">' . mi18n("vor") . '&nbsp;&nbsp;<img src="images/link_pfeil_klein.gif" alt="" /></a>';
            $tpl->set('s', 'NEXT', $nextpage);
        } else {
            $tpl->set('s', 'NEXT', '');
        }

        #Build link to previous result page
        if ($page > 1) {
            $p = $page - 1;
            // this is just for sample client - modify to your needs!
            if ($cfg['url_builder']['name'] == 'front_content' || $cfg['url_builder']['name'] == 'MR') {
                $aParams = array('lang' => $lang, 'idcat' => $idcat, 'idart' => $idart, 'searchterm' => $searchterm_display, 'page' => ($p . $sArtSpecs));
            } else {
                $aParams = array('search' => array('lang' => $lang, 'idcat' => $idcat, 'idart' => $idart, 'searchterm' => $searchterm_display, 'page' => ($p . $sArtSpecs)),
                    'idcat' => $idcat, // needed to build category path
                    'lang' => $lang, // needed to build category path
                    'level' => 1); // needed to build category path
            }
            try {
                $pre = Contenido_Url::getInstance()->build($aParams);
            } catch (InvalidArgumentException $e) {
                $pre = $sess->url('front_content.php?idcat=' . $idcat . '&amp;idart=' . $idart . '&amp;searchterm=' . $searchterm . '&amp;page=' . $p . $sArtSpecs);
            }
            $prevpage .= '<a href="' . $pre . '" title="' . mi18n("vorherige Ergebnisseite anzeigen") . '"><img src="images/link_pfeil_klein_links.gif" alt="" />&nbsp;&nbsp;' . mi18n("zurück") . '</a>&nbsp;';
            $tpl->set('s', 'PREV', $prevpage);
        } else {
            $tpl->set('s', 'PREV', '');
        }

        if (count($res_page) > 0) {
            $i = 1;
            #Build single search result on result page
            foreach ($res_page as $key => $val) {
                $num = $i + (($page - 1) * $number_of_results);
                $oArt = new Article($key, $client, $lang);
                #Get publishing date of article
                $pub_system = $oArt->getField('published');
                $pub_user = trim(strip_tags($oArt->getContent('HEAD', 90)));
                if ($pub_user != '') {
                    $show_pub_date = "[" . $pub_user . "]";
                } else {
                    $show_pub_date = '';
                    if ($pub_system[8] != '0') {
                        $show_pub_date .= $pub_system[8];
                    }
                    $show_pub_date .= $pub_system[9] . '.';
                    if ($pub_system[5] != '0') {
                        $show_pub_date .= $pub_system[5];
                    }
                    $show_pub_date .= $pub_system[6] . "." . $pub_system[0] . $pub_system[1] . $pub_system[2] . $pub_system[3] . "]";
                    $show_pub_date = "[" . $show_pub_date;
                }

                #Get text and headline of current article
                $iCurrentArtSpec = $oArticleProp->getArticleSpecification($key, $lang);
                $aHeadline = $oSearchResults->getSearchContent($key, 'HTMLHEAD', 1);
                $aSubheadline = $oSearchResults->getSearchContent($key, 'HTMLHEAD', 2);
                $text = $oSearchResults->getSearchContent($key, 'HTML', 1);
                $text = capiStrTrimAfterWord($text[0], CON_SEARCH_MAXLEN_TEASERTEXT);
                $headline = capiStrTrimAfterWord($aHeadline[0], CON_SEARCH_MAXLEN_TEASERTEXT); # conflict with capiStrTrimAfterWord and setReplacement('<strong>', '</strong>')
                $subheadline = capiStrTrimAfterWord($aSubheadline[0], CON_SEARCH_MAXLEN_TEASERTEXT);

                $cat_id = $oSearchResults->getArtCat($key);
                $similarity = $oSearchResults->getSimilarity($key);
                $similarity = sprintf("%.0f", $similarity);

                #Send output to template
                // this is just for sample client - modify to your needs!
                if ($cfg['url_builder']['name'] == 'front_content' || $cfg['url_builder']['name'] == 'MR') {
                    $aParams = array('lang' => $lang, 'idcat' => $cat_id, 'idart' => $key);
                } else {
                    $aParams = array('search' => array('lang' => $lang, 'idcat' => $cat_id, 'idart' => $key),
                        'idcat' => $idcat, // needed to build category path
                        'lang' => $lang, // needed to build category path
                        'level' => 1); // needed to build category path
                }
                try {
                    $href = Contenido_Url::getInstance()->build($aParams);
                } catch (InvalidArgumentException $e) {
                    $href = $sess->url("front_content.php?idcat=$cat_id&amp;idart=$key");
                }
                $tpl->set('d', 'more', $sMore);
                $tpl->set('d', 'HREF', $href);
                $tpl->set('d', 'TITLE', mi18n("Link zu Suchergebnis") . ' ' . $i);
                $tpl->set('d', 'NUM', $num);
                $tpl->set('d', 'CATNAME', $headline);
                $tpl->set('d', 'HEADLINE', $text);
                $tpl->set('d', 'SUBHEADLINE', $subheadline);
                $tpl->set('d', 'SIMILARITY', $similarity);
                $tpl->set('d', 'TARGET', '_self');
                $tpl->set('d', 'PUB_DATE', $show_pub_date);
                $tpl->next();
                $i++;
            }
            $tpl->generate('templates/search_output.html');
        }
    } else {
        #No results
        $imgMesssageFalse = '<div class="searchImg"><img src="http://www.weltdertutorials.de/cms/images/falseNewsletter.png" /></div>';
        $pTagvorFalse = '<p id="message" class="message">';
        $pTagnachFalse = '</p>';
        $tpl->set('s', 'MESSAGE', $imgMesssageFalse . $pTagvorFalse . $sYourSearchFor . " '" . conHtmlSpecialChars(strip_tags($searchterm)) . "' " . mi18n("hat leider keine Treffer ergeben") . " ." . $pTagnachFalse);
        $tpl->set('s', 'NEXT', '');
        $tpl->set('s', 'PREV', '');
        $tpl->set('s', 'PAGES', '');
        $tpl->set('s', 'result_page', '');
        $tpl->generate('templates/search_output.html');
    }
} else {
    echo '<div id="searchResults">';
    echo '<h1>' . mi18n("Keine Suchergebnisse - Bitte suchen Sie über das Sucheingabefeld!") . '</h1>';
    echo '</div>';
}

class Article_Property {

    var $globalConfig;
    var $oDBInstance;

    /**
     * Constructor
     * Hint: Call constructor with Article_Property($db, $cfg);
     * @param  oDBInstance instance of class DB_Contenido
     * @param  globalConfig
     */
    function Article_Property($oDBInstance, $globalConfig) {
        $this->globalConfig = $globalConfig;
        $this->oDBInstance = $oDBInstance;
    }

    /**
     * Get specification of an article
     *
     * @param   $iArticleId
     * @return  id of article specification
     */
    function getArticleSpecification($iArticleId, $iLangId) {

        $sqlString = "
                    SELECT
                        artspec
                    FROM
                        " . $this->globalConfig['tab']['art_lang'] . "
                    WHERE
                        idart = '" . $iArticleId . "' AND
                        idlang = '" . $iLangId . "'
                    ";

        #echo "<pre>$sqlString</pre>";
        $this->oDBInstance->query($sqlString);

        if ($this->oDBInstance->next_record()) {
            return $this->oDBInstance->f('artspec');
        } else {
            return false;
        }
    }

}

?>