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<?php
namespace Shaarli\Render;
use Exception;
use RainTPL;
use Shaarli\ApplicationUtils;
use Shaarli\Bookmark\BookmarkServiceInterface;
use Shaarli\Config\ConfigManager;
use Shaarli\Security\SessionManager;
use Shaarli\Thumbnailer;
/**
* This class is in charge of building the final page.
* (This is basically a wrapper around RainTPL which pre-fills some fields.)
* $p = new PageBuilder();
* $p->assign('myfield','myvalue');
* $p->renderPage('mytemplate');
*/
class PageBuilder
{
/**
* @var RainTPL RainTPL instance.
*/
private $tpl;
/**
* @var ConfigManager $conf Configuration Manager instance.
*/
protected $conf;
/**
* @var array $_SESSION
*/
protected $session;
/**
* @var BookmarkServiceInterface $bookmarkService instance.
*/
protected $bookmarkService;
/**
* @var null|string XSRF token
*/
protected $token;
/**
* @var bool $isLoggedIn Whether the user is logged in
*/
protected $isLoggedIn = false;
/**
* PageBuilder constructor.
* $tpl is initialized at false for lazy loading.
*
* @param ConfigManager $conf Configuration Manager instance (reference).
* @param array $session $_SESSION array
* @param BookmarkServiceInterface $linkDB instance.
* @param string $token Session token
* @param bool $isLoggedIn
*/
public function __construct(&$conf, $session, $linkDB = null, $token = null, $isLoggedIn = false)
{
$this->tpl = false;
$this->conf = $conf;
$this->session = $session;
$this->bookmarkService = $linkDB;
$this->token = $token;
$this->isLoggedIn = $isLoggedIn;
}
/**
* Initialize all default tpl tags.
*/
private function initialize()
{
$this->tpl = new RainTPL();
try {
$version = ApplicationUtils::checkUpdate(
SHAARLI_VERSION,
$this->conf->get('resource.update_check'),
$this->conf->get('updates.check_updates_interval'),
$this->conf->get('updates.check_updates'),
$this->isLoggedIn,
$this->conf->get('updates.check_updates_branch')
);
$this->tpl->assign('newVersion', escape($version));
$this->tpl->assign('versionError', '');
} catch (Exception $exc) {
logm($this->conf->get('resource.log'), $_SERVER['REMOTE_ADDR'], $exc->getMessage());
$this->tpl->assign('newVersion', '');
$this->tpl->assign('versionError', escape($exc->getMessage()));
}
$this->tpl->assign('is_logged_in', $this->isLoggedIn);
$this->tpl->assign('feedurl', escape(index_url($_SERVER)));
$searchcrits = ''; // Search criteria
if (!empty($_GET['searchtags'])) {
$searchcrits .= '&searchtags=' . urlencode($_GET['searchtags']);
}
if (!empty($_GET['searchterm'])) {
$searchcrits .= '&searchterm=' . urlencode($_GET['searchterm']);
}
$this->tpl->assign('searchcrits', $searchcrits);
$this->tpl->assign('source', index_url($_SERVER));
$this->tpl->assign('version', SHAARLI_VERSION);
$this->tpl->assign(
'version_hash',
ApplicationUtils::getVersionHash(SHAARLI_VERSION, $this->conf->get('credentials.salt'))
);
$this->tpl->assign('index_url', index_url($_SERVER));
$visibility = !empty($_SESSION['visibility']) ? $_SESSION['visibility'] : '';
$this->tpl->assign('visibility', $visibility);
$this->tpl->assign('untaggedonly', !empty($_SESSION['untaggedonly']));
$this->tpl->assign('pagetitle', $this->conf->get('general.title', 'Shaarli'));
if ($this->conf->exists('general.header_link')) {
$this->tpl->assign('titleLink', $this->conf->get('general.header_link'));
}
$this->tpl->assign('shaarlititle', $this->conf->get('general.title', 'Shaarli'));
$this->tpl->assign('openshaarli', $this->conf->get('security.open_shaarli', false));
$this->tpl->assign('showatom', $this->conf->get('feed.show_atom', true));
$this->tpl->assign('feed_type', $this->conf->get('feed.show_atom', true) !== false ? 'atom' : 'rss');
$this->tpl->assign('hide_timestamps', $this->conf->get('privacy.hide_timestamps', false));
$this->tpl->assign('token', $this->token);
$this->tpl->assign('language', $this->conf->get('translation.language'));
if ($this->bookmarkService !== null) {
$this->tpl->assign('tags', $this->bookmarkService->bookmarksCountPerTag());
}
$this->tpl->assign(
'thumbnails_enabled',
$this->conf->get('thumbnails.mode', Thumbnailer::MODE_NONE) !== Thumbnailer::MODE_NONE
);
$this->tpl->assign('thumbnails_width', $this->conf->get('thumbnails.width'));
$this->tpl->assign('thumbnails_height', $this->conf->get('thumbnails.height'));
$this->tpl->assign('formatter', $this->conf->get('formatter', 'default'));
// To be removed with a proper theme configuration.
$this->tpl->assign('conf', $this->conf);
}
/**
* Affect variable after controller processing.
* Used for alert messages.
*/
protected function finalize(): void
{
// TODO: use the SessionManager
$messageKeys = [
SessionManager::KEY_SUCCESS_MESSAGES,
SessionManager::KEY_WARNING_MESSAGES,
SessionManager::KEY_ERROR_MESSAGES
];
foreach ($messageKeys as $messageKey) {
if (!empty($_SESSION[$messageKey])) {
$this->tpl->assign('global_' . $messageKey, $_SESSION[$messageKey]);
unset($_SESSION[$messageKey]);
}
}
}
/**
* The following assign() method is basically the same as RainTPL (except lazy loading)
*
* @param string $placeholder Template placeholder.
* @param mixed $value Value to assign.
*/
public function assign($placeholder, $value)
{
if ($this->tpl === false) {
$this->initialize();
}
$this->tpl->assign($placeholder, $value);
}
/**
* Assign an array of data to the template builder.
*
* @param array $data Data to assign.
*
* @return false if invalid data.
*/
public function assignAll($data)
{
if ($this->tpl === false) {
$this->initialize();
}
if (empty($data) || !is_array($data)) {
return false;
}
foreach ($data as $key => $value) {
$this->assign($key, $value);
}
return true;
}
/**
* Render a specific page (using a template file).
* e.g. $pb->renderPage('picwall');
*
* @param string $page Template filename (without extension).
*/
public function renderPage($page)
{
if ($this->tpl === false) {
$this->initialize();
}
$this->finalize();
$this->tpl->draw($page);
}
/**
* Render a specific page as string (using a template file).
* e.g. $pb->render('picwall');
*
* @param string $page Template filename (without extension).
*
* @return string Processed template content
*/
public function render(string $page): string
{
if ($this->tpl === false) {
$this->initialize();
}
$this->finalize();
return $this->tpl->draw($page, true);
}
/**
* Render a 404 page (uses the template : tpl/404.tpl)
* usage: $PAGE->render404('The link was deleted')
*
* @param string $message A message to display what is not found
*/
public function render404($message = '')
{
if (empty($message)) {
$message = t('The page you are trying to reach does not exist or has been deleted.');
}
header($_SERVER['SERVER_PROTOCOL'] . ' ' . t('404 Not Found'));
$this->tpl->assign('error_message', $message);
$this->renderPage('404');
}
}
|
