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- <?php
- namespace System\Controllers;
- use System\Models\Folder;
- use System\Models\WriteCache;
- use System\Models\WriteSitemap;
- use System\Models\WriteYaml;
- use \Symfony\Component\Yaml\Yaml;
- use System\Models\VersionCheck;
- use System\Models\Helpers;
- class PageController extends Controller
- {
- public function index($request, $response, $args)
- {
-
- /* Initiate Variables */
- $structure = false;
- $contentHTML = false;
- $item = false;
- $breadcrumb = false;
- $description = '';
- $settings = $this->c->get('settings');
- $pathToContent = $settings['rootPath'] . $settings['contentFolder'];
- $cache = new WriteCache();
- $uri = $request->getUri();
- $base_url = $uri->getBaseUrl();
- try
- {
- if($cache->validate('cache', 'lastCache.txt',600))
- {
- $structure = $this->getCachedStructure($cache);
- $cached = true;
- }
- else
- {
- $structure = $this->getFreshStructure($pathToContent, $cache, $uri);
- $cached = false;
-
- if(!$structure)
- {
- $content = '<h1>No Content</h1><p>Your content folder is empty.</p>';
- $this->c->view->render($response, '/index.twig', [ 'content' => $content ]);
- }
- elseif(!$cache->validate('cache', 'lastSitemap.txt', 86400))
- {
- /* update sitemap */
- $sitemap = new WriteSitemap();
- $sitemap->updateSitemap('cache', 'sitemap.xml', 'lastSitemap.txt', $structure, $uri->getBaseUrl());
-
- $version = new VersionCheck();
- $latestVersion = $version->checkVersion($uri->getBaseUrl());
- if($latestVersion)
- {
- $yaml = new WriteYaml();
- $yamlContent = $yaml->getYaml('settings', 'settings.yaml');
- $yamlContent['latestVersion'] = $latestVersion;
- $yaml->updateYaml('settings', 'settings.yaml', $yamlContent);
- }
- }
- }
- }
- catch (Exception $e)
- {
- echo $e->getMessage();
- exit(1);
- }
-
- /* if the user is on startpage */
- if(empty($args))
- {
- /* check, if there is an index-file in the root of the content folder */
- $contentMD = file_exists($pathToContent . DIRECTORY_SEPARATOR . 'index.md') ? file_get_contents($pathToContent . DIRECTORY_SEPARATOR . 'index.md') : NULL;
- }
- else
- {
- /* get the request url */
- $urlRel = $uri->getBasePath() . '/' . $args['params'];
-
- /* find the url in the content-item-tree and return the item-object for the file */
- $item = Folder::getItemForUrl($structure, $urlRel);
- if(!$item && $cached)
- {
- $structure = $this->getFreshStructure($pathToContent, $cache, $uri);
- $item = Folder::getItemForUrl($structure, $urlRel);
- }
- if(!$item){ return $this->render404($response, array( 'navigation' => $structure, 'settings' => $settings, 'base_url' => $base_url )); }
-
- /* get breadcrumb for page */
- $breadcrumb = Folder::getBreadcrumb($structure, $item->keyPathArray);
- /* add the paging to the item */
- $item = Folder::getPagingForItem($structure, $item);
- /* check if url is a folder. If so, check if there is an index-file for the folder */
- if($item->elementType == 'folder' && $item->index)
- {
- $filePath = $pathToContent . $item->path . DIRECTORY_SEPARATOR . 'index.md';
- }
- elseif($item->elementType == 'file')
- {
- $filePath = $pathToContent . $item->path;
- }
- /* read the content of the file */
- $contentMD = isset($filePath) ? file_get_contents($filePath) : false;
- }
-
- /* initialize parsedown */
- $Parsedown = new \ParsedownExtra();
- /* parse markdown-file to html-string */
- $contentHTML = $Parsedown->text($contentMD);
- $description = substr(strip_tags($contentHTML),0,150);
- $description = trim(preg_replace('/\s+/', ' ', $description));
-
- /*
- $timer['topiccontroller']=microtime(true);
- $timer['end topiccontroller']=microtime(true);
- Helpers::printTimer($timer);
- */
-
- $route = empty($args) && $settings['startpage'] ? '/cover.twig' : '/index.twig';
- $this->c->view->render($response, $route, array('navigation' => $structure, 'content' => $contentHTML, 'item' => $item, 'breadcrumb' => $breadcrumb, 'settings' => $settings, 'description' => $description, 'base_url' => $base_url ));
- }
-
- protected function getCachedStructure($cache)
- {
- return $cache->getCache('cache', 'structure.txt');
- }
-
- protected function getFreshStructure($pathToContent, $cache, $uri)
- {
- /* scan the content of the folder */
- $structure = Folder::scanFolder($pathToContent);
- /* if there is no content, render an empty page */
- if(count($structure) == 0)
- {
- return false;
- }
- /* create an array of object with the whole content of the folder */
- $structure = Folder::getFolderContentDetails($structure, $uri->getBaseUrl(), $uri->getBasePath());
- /* cache navigation */
- $cache->updateCache('cache', 'structure.txt', 'lastCache.txt', $structure);
-
- return $structure;
- }
- }
- ?>
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