Failed Conditions
Push — psr2 ( 9ddafc...b78f68 )
by Andreas
07:11
created

Mapper::generate()   C

Complexity

Conditions 13
Paths 25

Size

Total Lines 44
Code Lines 28

Duplication

Lines 0
Ratio 0 %

Importance

Changes 0
Metric Value
cc 13
eloc 28
nc 25
nop 0
dl 0
loc 44
rs 5.1234
c 0
b 0
f 0

How to fix   Complexity   

Long Method

Small methods make your code easier to understand, in particular if combined with a good name. Besides, if your method is small, finding a good name is usually much easier.

For example, if you find yourself adding comments to a method's body, this is usually a good sign to extract the commented part to a new method, and use the comment as a starting point when coming up with a good name for this new method.

Commonly applied refactorings include:

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<?php
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/**
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 * Sitemap handling functions
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 *
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 * @license    GPL 2 (http://www.gnu.org/licenses/gpl.html)
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 * @author     Michael Hamann <[email protected]>
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 */
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namespace dokuwiki\Sitemap;
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/**
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 * A class for building sitemaps and pinging search engines with the sitemap URL.
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 *
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 * @author Michael Hamann
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 */
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class Mapper {
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    /**
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     * Builds a Google Sitemap of all public pages known to the indexer
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     *
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     * The map is placed in the cache directory named sitemap.xml.gz - This
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     * file needs to be writable!
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     *
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     * @author Michael Hamann
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     * @author Andreas Gohr
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     * @link   https://www.google.com/webmasters/sitemaps/docs/en/about.html
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     * @link   http://www.sitemaps.org/
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     *
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     * @return bool
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     */
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    public static function generate(){
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        global $conf;
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        if($conf['sitemap'] < 1 || !is_numeric($conf['sitemap'])) return false;
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        $sitemap = Mapper::getFilePath();
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        if(file_exists($sitemap)){
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            if(!is_writable($sitemap)) return false;
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        }else{
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            if(!is_writable(dirname($sitemap))) return false;
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        }
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        if(@filesize($sitemap) &&
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           @filemtime($sitemap) > (time()-($conf['sitemap']*86400))){ // 60*60*24=86400
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            dbglog('Sitemapper::generate(): Sitemap up to date');
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            return false;
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        }
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        dbglog("Sitemapper::generate(): using $sitemap");
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        $pages = idx_get_indexer()->getPages();
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        dbglog('Sitemapper::generate(): creating sitemap using '.count($pages).' pages');
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        $items = array();
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        // build the sitemap items
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        foreach($pages as $id){
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            //skip hidden, non existing and restricted files
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            if(isHiddenPage($id)) continue;
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            if(auth_aclcheck($id,'',array()) < AUTH_READ) continue;
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            $item = Item::createFromID($id);
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            if ($item !== null)
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                $items[] = $item;
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        }
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        $eventData = array('items' => &$items, 'sitemap' => &$sitemap);
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        $event = new \Doku_Event('SITEMAP_GENERATE', $eventData);
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        if ($event->advise_before(true)) {
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            //save the new sitemap
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            $event->result = io_saveFile($sitemap, Mapper::getXML($items));
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        }
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        $event->advise_after();
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        return $event->result;
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    }
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    /**
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     * Builds the sitemap XML string from the given array auf SitemapItems.
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     *
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     * @param $items array The SitemapItems that shall be included in the sitemap.
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     * @return string The sitemap XML.
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     *
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     * @author Michael Hamann
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     */
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    private static function getXML($items) {
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        ob_start();
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        echo '<?xml version="1.0" encoding="UTF-8"?>'.NL;
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        echo '<urlset xmlns="http://www.sitemaps.org/schemas/sitemap/0.9">'.NL;
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        foreach ($items as $item) {
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            /** @var Item $item */
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            echo $item->toXML();
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        }
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        echo '</urlset>'.NL;
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        $result = ob_get_contents();
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        ob_end_clean();
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        return $result;
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    }
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    /**
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     * Helper function for getting the path to the sitemap file.
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     *
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     * @return string The path to the sitemap file.
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     *
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     * @author Michael Hamann
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     */
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    public static function getFilePath() {
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        global $conf;
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        $sitemap = $conf['cachedir'].'/sitemap.xml';
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        if (self::sitemapIsCompressed()) {
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            $sitemap .= '.gz';
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        }
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        return $sitemap;
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    }
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    /**
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     * Helper function for checking if the sitemap is compressed
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     *
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     * @return bool If the sitemap file is compressed
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     */
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    public static function sitemapIsCompressed() {
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        global $conf;
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        return $conf['compression'] === 'bz2' || $conf['compression'] === 'gz';
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    }
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    /**
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     * Pings search engines with the sitemap url. Plugins can add or remove
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     * urls to ping using the SITEMAP_PING event.
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     *
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     * @author Michael Hamann
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     *
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     * @return bool
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     */
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    public static function pingSearchEngines() {
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        //ping search engines...
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        $http = new \DokuHTTPClient();
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        $http->timeout = 8;
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        $encoded_sitemap_url = urlencode(wl('', array('do' => 'sitemap'), true, '&'));
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        $ping_urls = array(
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            'google'    => 'http://www.google.com/webmasters/sitemaps/ping?sitemap='.$encoded_sitemap_url,
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            'microsoft' => 'http://www.bing.com/webmaster/ping.aspx?siteMap='.$encoded_sitemap_url,
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            'yandex'    => 'http://blogs.yandex.ru/pings/?status=success&url='.$encoded_sitemap_url
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        );
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        $data = array('ping_urls' => $ping_urls,
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                            'encoded_sitemap_url' => $encoded_sitemap_url
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        );
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        $event = new \Doku_Event('SITEMAP_PING', $data);
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        if ($event->advise_before(true)) {
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            foreach ($data['ping_urls'] as $name => $url) {
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                dbglog("Sitemapper::PingSearchEngines(): pinging $name");
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                $resp = $http->get($url);
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                if($http->error) dbglog("Sitemapper:pingSearchengines(): $http->error");
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                dbglog('Sitemapper:pingSearchengines(): '.preg_replace('/[\n\r]/',' ',strip_tags($resp)));
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            }
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        }
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        $event->advise_after();
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        return true;
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    }
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}
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