344 lines
No EOL
11 KiB
PHP
344 lines
No EOL
11 KiB
PHP
<?php
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namespace Typemill\Controllers;
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use Typemill\Models\Folder;
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use Typemill\Models\WriteCache;
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use Typemill\Models\WriteSitemap;
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use Typemill\Models\WriteYaml;
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use Typemill\Models\WriteMeta;
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use \Symfony\Component\Yaml\Yaml;
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use Typemill\Models\VersionCheck;
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use Typemill\Models\Markdown;
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use Typemill\Events\OnPagetreeLoaded;
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use Typemill\Events\OnBreadcrumbLoaded;
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use Typemill\Events\OnItemLoaded;
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use Typemill\Events\OnOriginalLoaded;
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use Typemill\Events\OnMetaLoaded;
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use Typemill\Events\OnMarkdownLoaded;
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use Typemill\Events\OnContentArrayLoaded;
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use Typemill\Events\OnHtmlLoaded;
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use Typemill\Extensions\ParsedownExtension;
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class PageController extends Controller
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{
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public function index($request, $response, $args)
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{
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/* Initiate Variables */
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$structure = false;
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$contentHTML = false;
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$item = false;
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$home = false;
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$breadcrumb = false;
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$settings = $this->c->get('settings');
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$pathToContent = $settings['rootPath'] . $settings['contentFolder'];
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$cache = new WriteCache();
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$uri = $request->getUri();
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$base_url = $uri->getBaseUrl();
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try
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{
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# if the cached structure is still valid, use it
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if($cache->validate('cache', 'lastCache.txt', 600))
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{
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$structure = $this->getCachedStructure($cache);
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}
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if(!isset($structure) OR !$structure)
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{
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# if not, get a fresh structure of the content folder
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$structure = $this->getFreshStructure($pathToContent, $cache, $uri);
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# if there is no structure at all, the content folder is probably empty
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if(!$structure)
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{
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$content = '<h1>No Content</h1><p>Your content folder is empty.</p>';
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return $this->render($response, '/index.twig', array( 'content' => $content ));
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}
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elseif(!$cache->validate('cache', 'lastSitemap.txt', 86400))
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{
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# update sitemap
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$sitemap = new WriteSitemap();
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$sitemap->updateSitemap('cache', 'sitemap.xml', 'lastSitemap.txt', $structure, $uri->getBaseUrl());
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}
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}
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# dispatch event and let others manipulate the structure
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$structure = $this->c->dispatcher->dispatch('onPagetreeLoaded', new OnPagetreeLoaded($structure))->getData();
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}
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catch (Exception $e)
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{
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echo $e->getMessage();
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exit(1);
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}
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# get the cached navigation here (structure without hidden files )
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$navigation = $cache->getCache('cache', 'navigation.txt');
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if(!$navigation)
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{
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# use the structure as navigation if there is no difference
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$navigation = $structure;
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}
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# if the user is on startpage
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if(empty($args))
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{
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$home = true;
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$item = Folder::getItemForUrl($navigation, $uri->getBasePath(), $uri->getBasePath());
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$urlRel = $uri->getBasePath();
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}
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else
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{
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# get the request url
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$urlRel = $uri->getBasePath() . '/' . $args['params'];
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# find the url in the content-item-tree and return the item-object for the file
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# important to use the structure here so it is found, even if the item is hidden.
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$item = Folder::getItemForUrl($structure, $urlRel, $uri->getBasePath());
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# if there is still no item, return a 404-page
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if(!$item)
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{
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return $this->render404($response, array( 'navigation' => $navigation, 'settings' => $settings, 'base_url' => $base_url ));
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}
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if(!$item->hide)
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{
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# get breadcrumb for page and set pages active
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# use navigation, the hidden pages won't get a breadcrumb
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$breadcrumb = Folder::getBreadcrumb($navigation, $item->keyPathArray);
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$breadcrumb = $this->c->dispatcher->dispatch('onBreadcrumbLoaded', new OnBreadcrumbLoaded($breadcrumb))->getData();
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# set pages active for navigation again
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# Folder::getBreadcrumb($navigation, $item->keyPathArray);
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# add the paging to the item
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$item = Folder::getPagingForItem($navigation, $item);
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}
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}
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if(isset($item->hide) && $item->hide)
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{
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# delete the paging elements
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$item->thisChapter = false;
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$item->nextItem = false;
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$item->prevItem = false;
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$breadcrumb = false;
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}
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# dispatch the item
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$item = $this->c->dispatcher->dispatch('onItemLoaded', new OnItemLoaded($item))->getData();
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# set the filepath
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$filePath = $pathToContent . $item->path;
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# check if url is a folder and add index.md
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if($item->elementType == 'folder')
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{
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$filePath = $filePath . DIRECTORY_SEPARATOR . 'index.md';
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# if folder is not hidden
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if(isset($item->hide) && !$item->hide)
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{
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# use the navigation instead of the structure so that hidden elements are erased
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$item = Folder::getItemForUrl($navigation, $urlRel, $uri->getBasePath());
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}
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}
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# read the content of the file
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$contentMD = file_exists($filePath) ? file_get_contents($filePath) : false;
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# dispatch the original content without plugin-manipulations for case anyone wants to use it
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$this->c->dispatcher->dispatch('onOriginalLoaded', new OnOriginalLoaded($contentMD));
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# get meta-Information
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$writeMeta = new WriteMeta();
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# makes sure that you always have the full meta with title, description and all the rest.
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$metatabs = $writeMeta->completePageMeta($contentMD, $settings, $item);
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# dispatch meta
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$metatabs = $this->c->dispatcher->dispatch('onMetaLoaded', new OnMetaLoaded($metatabs))->getData();
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# dispatch content
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$contentMD = $this->c->dispatcher->dispatch('onMarkdownLoaded', new OnMarkdownLoaded($contentMD))->getData();
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$itemUrl = isset($item->urlRel) ? $item->urlRel : false;
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/* initialize parsedown */
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$parsedown = new ParsedownExtension($settings['headlineanchors']);
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/* set safe mode to escape javascript and html in markdown */
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$parsedown->setSafeMode(true);
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/* parse markdown-file to content-array */
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$contentArray = $parsedown->text($contentMD, $itemUrl);
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$contentArray = $this->c->dispatcher->dispatch('onContentArrayLoaded', new OnContentArrayLoaded($contentArray))->getData();
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/* get the first image from content array */
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$firstImage = $this->getFirstImage($contentArray);
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/* parse markdown-content-array to content-string */
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$contentHTML = $parsedown->markup($contentArray, $itemUrl);
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$contentHTML = $this->c->dispatcher->dispatch('onHtmlLoaded', new OnHtmlLoaded($contentHTML))->getData();
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/* extract the h1 headline*/
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$contentParts = explode("</h1>", $contentHTML);
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$title = isset($contentParts[0]) ? strip_tags($contentParts[0]) : $settings['title'];
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$contentHTML = isset($contentParts[1]) ? $contentParts[1] : $contentHTML;
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/* get url and alt-tag for first image, if exists */
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if($firstImage)
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{
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preg_match('#\((.*?)\)#', $firstImage, $img_url);
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if($img_url[1])
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{
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preg_match('#\[(.*?)\]#', $firstImage, $img_alt);
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$firstImage = array('img_url' => $base_url . '/' . $img_url[1], 'img_alt' => $img_alt[1]);
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}
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}
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$theme = $settings['theme'];
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$route = empty($args) && isset($settings['themes'][$theme]['cover']) ? '/cover.twig' : '/index.twig';
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# check if there is a custom theme css
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$customcss = $writeMeta->checkFile('cache', $theme . '-custom.css');
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if($customcss)
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{
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$this->c->assets->addCSS($base_url . '/cache/' . $theme . '-custom.css');
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}
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$logo = false;
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if(isset($settings['logo']) && $settings['logo'] != '')
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{
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$logo = 'media/files/' . $settings['logo'];
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}
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$favicon = false;
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if(isset($settings['favicon']) && $settings['favicon'] != '')
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{
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$favicon = true;
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}
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return $this->render($response, $route, [
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'home' => $home,
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'navigation' => $navigation,
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'title' => $title,
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'content' => $contentHTML,
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'item' => $item,
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'breadcrumb' => $breadcrumb,
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'settings' => $settings,
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'metatabs' => $metatabs,
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'base_url' => $base_url,
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'image' => $firstImage,
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'logo' => $logo,
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'favicon' => $favicon
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]);
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}
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protected function getCachedStructure($cache)
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{
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return $cache->getCache('cache', 'structure.txt');
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}
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protected function getFreshStructure($pathToContent, $cache, $uri)
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{
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/* scan the content of the folder */
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$structure = Folder::scanFolder($pathToContent);
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/* if there is no content, render an empty page */
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if(count($structure) == 0)
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{
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return false;
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}
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# get the extended structure files with changes like navigation title or hidden pages
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$yaml = new writeYaml();
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$extended = $yaml->getYaml('cache', 'structure-extended.yaml');
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# create an array of object with the whole content of the folder
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$structure = Folder::getFolderContentDetails($structure, $extended, $uri->getBaseUrl(), $uri->getBasePath());
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# cache structure
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$cache->updateCache('cache', 'structure.txt', 'lastCache.txt', $structure);
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if($extended && $this->containsHiddenPages($extended))
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{
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# generate the navigation (delete empty pages)
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$navigation = $this->createNavigationFromStructure($structure);
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# cache navigation
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$cache->updateCache('cache', 'navigation.txt', false, $navigation);
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}
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else
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{
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# make sure no separate navigation file is set
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$cache->deleteFileWithPath('cache' . DIRECTORY_SEPARATOR . 'navigation.txt');
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}
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# load and return the cached structure, because might be manipulated with navigation....
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return $this->getCachedStructure($cache);
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}
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protected function containsHiddenPages($extended)
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{
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foreach($extended as $element)
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{
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if(isset($element['hide']) && $element['hide'] === true)
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{
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return true;
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}
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}
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return false;
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}
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protected function createNavigationFromStructure($navigation)
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{
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foreach ($navigation as $key => $element)
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{
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if($element->hide === true)
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{
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unset($navigation[$key]);
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}
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elseif(isset($element->folderContent))
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{
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$navigation[$key]->folderContent = $this->createNavigationFromStructure($element->folderContent);
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}
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}
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return $navigation;
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}
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# not in use, stored the latest version in user settings, but that does not make sense because checkd on the fly with api in admin
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protected function updateVersion($baseUrl)
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{
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/* check the latest public typemill version */
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$version = new VersionCheck();
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$latestVersion = $version->checkVersion($baseUrl);
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if($latestVersion)
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{
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/* store latest version */
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\Typemill\Settings::updateSettings(array('latestVersion' => $latestVersion));
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}
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}
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protected function getFirstImage(array $contentBlocks)
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{
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foreach($contentBlocks as $block)
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{
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/* is it a paragraph? */
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if(isset($block['name']) && $block['name'] == 'p')
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{
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if(isset($block['handler']['argument']) && substr($block['handler']['argument'], 0, 2) == '![' )
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{
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return $block['handler']['argument'];
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}
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}
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}
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return false;
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}
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} |