private function BuildNav()
{
/* !!! */
$datafeed = new DataFeed();
$filenames = array();
$keywords = $datafeed->ReturnRandomEntries(rand(OpenBHConf::get('navlinks_min'), OpenBHConf::get('navlinks_max')));
foreach ($keywords as $keyword) {
if ($keyword == '') {
continue;
}
/* we need to check if we already generated this page (because of the randomized filename..) */
$tmpPage = Page::GetCache($keyword);
if (is_null($tmpPage)) {
/* we didnt already created it we need to assign a random filename now !! and store it as empty page..) */
$p = new Page($keyword, false, null, true);
// create empty page .. will generate filename
array_push($filenames, array('kw' => $keyword, 'filename' => $p->filename));
$p = null;
continue;
}
array_push($filenames, array('kw' => $keyword, 'filename' => $tmpPage->filename));
}
$this->navlinks = $filenames;
$this->last_kw = $datafeed->ReturnPrevKw($this->keyword);
$prevPage = Page::GetCache($this->last_kw);
if (is_null($prevPage)) {
$prevPage = new Page($this->last_kw, false, null, true);
$this->last = $prevPage->filename;
} else {
$this->last = $prevPage->filename;
}
$this->next_kw = $datafeed->ReturnNextKw($this->keyword);
$nextPage = Page::GetCache($this->next_kw);
if (is_null($nextPage)) {
$nextPage = new Page($this->next_kw, false, null, true);
$this->next = $nextPage->filename;
} else {
$this->next = $nextPage->filename;
}
}