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<?php |
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declare(strict_types=1); |
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/* |
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* This file is part of Cecil. |
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* |
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* Copyright (c) Arnaud Ligny <[email protected]> |
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* |
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* For the full copyright and license information, please view the LICENSE |
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* file that was distributed with this source code. |
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*/ |
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namespace Cecil\Step\Pages; |
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use Cecil\Builder; |
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use Cecil\Collection\Page\Collection; |
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use Cecil\Collection\Page\Page; |
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use Cecil\Exception\RuntimeException; |
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use Cecil\Renderer\Config; |
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use Cecil\Renderer\Layout; |
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use Cecil\Renderer\Site; |
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use Cecil\Renderer\Twig; |
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use Cecil\Step\AbstractStep; |
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use Cecil\Util; |
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/** |
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* Pages rendering. |
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*/ |
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class Render extends AbstractStep |
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{ |
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/** |
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* {@inheritdoc} |
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*/ |
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public function getName(): string |
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{ |
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return 'Rendering pages'; |
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} |
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/** |
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* {@inheritdoc} |
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*/ |
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public function init(array $options): void |
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{ |
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if (!is_dir($this->config->getLayoutsPath()) && !$this->config->hasTheme()) { |
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$message = \sprintf("'%s' is not a valid layouts directory", $this->config->getLayoutsPath()); |
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$this->builder->getLogger()->debug($message); |
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} |
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$this->canProcess = true; |
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} |
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/** |
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* {@inheritdoc} |
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* |
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* @throws RuntimeException |
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*/ |
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public function process(): void |
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{ |
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// prepares renderer |
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$this->builder->setRenderer(new Twig($this->builder, $this->getAllLayoutsPaths())); |
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// adds global variables |
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$this->addGlobals(); |
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/** @var Collection $pages */ |
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$pages = $this->builder->getPages() |
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// published only |
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->filter(function (Page $page) { |
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return (bool) $page->getVariable('published'); |
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}) |
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// enrichs some variables |
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->map(function (Page $page) { |
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$formats = $this->getOutputFormats($page); |
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// output formats |
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$page->setVariable('output', $formats); |
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// alternates formats |
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$page->setVariable('alternates', $this->getAlternates($formats)); |
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// translations |
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$page->setVariable('translations', $this->getTranslations($page)); |
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return $page; |
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}); |
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$total = \count($pages); |
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// renders each page |
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$count = 0; |
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$postprocessors = []; |
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foreach ($this->config->get('output.postprocessors') as $name => $postprocessor) { |
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try { |
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if (!class_exists($postprocessor)) { |
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throw new RuntimeException(\sprintf('Class "%s" not found', $postprocessor)); |
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} |
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$postprocessors[] = new $postprocessor($this->builder); |
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$this->builder->getLogger()->debug(\sprintf('Output post processor "%s" loaded', $name)); |
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} catch (\Exception $e) { |
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$this->builder->getLogger()->error(\sprintf('Unable to load output post processor "%s": %s', $name, $e->getMessage())); |
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} |
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} |
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/** @var Page $page */ |
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foreach ($pages as $page) { |
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$count++; |
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$rendered = []; |
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// l10n |
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$language = $page->getVariable('language', $this->config->getLanguageDefault()); |
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$locale = $this->config->getLanguageProperty('locale', $language); |
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$this->builder->getRenderer()->setLocale($locale); |
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// global site variables |
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$this->builder->getRenderer()->addGlobal('site', new Site($this->builder, $language)); |
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// global config raw variables |
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$this->builder->getRenderer()->addGlobal('config', new Config($this->builder, $language)); |
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// excluded format(s)? |
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$formats = (array) $page->getVariable('output'); |
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foreach ($formats as $key => $format) { |
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if ($exclude = $this->config->getOutputFormatProperty($format, 'exclude')) { |
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// ie: |
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// formats: |
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// atom: |
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// [...] |
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// exclude: [paginated] |
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if (!\is_array($exclude)) { |
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$exclude = [$exclude]; |
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} |
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foreach ($exclude as $variable) { |
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if ($page->hasVariable($variable)) { |
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unset($formats[$key]); |
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} |
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} |
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} |
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} |
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// renders each output format |
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foreach ($formats as $format) { |
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// search for the template |
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$layout = Layout::finder($page, $format, $this->config); |
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// renders with Twig |
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try { |
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$deprecations = []; |
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set_error_handler(function ($type, $msg) use (&$deprecations) { |
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if (E_USER_DEPRECATED === $type) { |
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$deprecations[] = $msg; |
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} |
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}); |
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$output = $this->builder->getRenderer()->render($layout['file'], ['page' => $page]); |
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foreach ($deprecations as $value) { |
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$this->builder->getLogger()->warning($value); |
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} |
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foreach ($postprocessors as $postprocessor) { |
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$output = $postprocessor->process($page, $output, $format); |
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} |
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$rendered[$format] = [ |
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'output' => $output, |
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'template' => [ |
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'scope' => $layout['scope'], |
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'file' => $layout['file'], |
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], |
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]; |
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$page->addRendered($rendered); |
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// profiler |
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if ($this->builder->isDebug()) { |
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$dumper = new \Twig\Profiler\Dumper\HtmlDumper(); |
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file_put_contents( |
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Util::joinFile($this->config->getOutputPath(), '_debug_twig_profile.html'), |
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$dumper->dump($this->builder->getRenderer()->getDebugProfile()) |
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); |
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} |
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} catch (\Twig\Error\Error $e) { |
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$template = !empty($e->getSourceContext()->getPath()) ? $e->getSourceContext()->getPath() : $e->getSourceContext()->getName(); |
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throw new RuntimeException(\sprintf( |
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'Template "%s%s" (page: %s): %s', |
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$template, |
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$e->getTemplateLine() >= 0 ? \sprintf(':%s', $e->getTemplateLine()) : '', |
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$page->getId(), |
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$e->getMessage() |
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)); |
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} |
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} |
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$this->builder->getPages()->replace($page->getId(), $page); |
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$templates = array_column($rendered, 'template'); |
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$message = \sprintf( |
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'Page "%s" rendered with [%s]', |
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$page->getId() ?: 'index', |
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Util\Str::combineArrayToString($templates, 'scope', 'file') |
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); |
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$this->builder->getLogger()->info($message, ['progress' => [$count, $total]]); |
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} |
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} |
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/** |
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* Returns an array of layouts directories. |
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*/ |
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protected function getAllLayoutsPaths(): array |
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{ |
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$paths = []; |
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// layouts/ |
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if (is_dir($this->config->getLayoutsPath())) { |
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$paths[] = $this->config->getLayoutsPath(); |
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} |
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// <theme>/layouts/ |
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if ($this->config->hasTheme()) { |
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$themes = $this->config->getTheme(); |
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foreach ($themes as $theme) { |
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$paths[] = $this->config->getThemeDirPath($theme); |
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} |
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} |
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// resources/layouts/ |
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if (is_dir($this->config->getLayoutsInternalPath())) { |
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$paths[] = $this->config->getLayoutsInternalPath(); |
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} |
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return $paths; |
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} |
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/** |
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* Adds global variables. |
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*/ |
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protected function addGlobals() |
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{ |
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$this->builder->getRenderer()->addGlobal('cecil', [ |
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'url' => \sprintf('https://cecil.app/#%s', Builder::getVersion()), |
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'version' => Builder::getVersion(), |
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'poweredby' => \sprintf('Cecil v%s', Builder::getVersion()), |
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]); |
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} |
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/** |
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* Get available output formats. |
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* |
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* @throws RuntimeException |
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*/ |
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protected function getOutputFormats(Page $page): array |
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{ |
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// Get page output format(s) if defined. |
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// ie: |
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// ```yaml |
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// output: txt |
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// ``` |
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if ($page->getVariable('output')) { |
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$formats = $page->getVariable('output'); |
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if (!\is_array($formats)) { |
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$formats = [$formats]; |
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} |
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return $formats; |
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} |
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// Get available output formats for the page type. |
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// ie: |
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// ```yaml |
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// page: [html, json] |
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// ``` |
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$formats = $this->config->get('output.pagetypeformats.' . $page->getType()); |
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if (empty($formats)) { |
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throw new RuntimeException('Configuration key "pagetypeformats" can\'t be empty.'); |
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} |
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if (!\is_array($formats)) { |
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$formats = [$formats]; |
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} |
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return $formats; |
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} |
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/** |
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* Get alternates. |
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*/ |
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protected function getAlternates(array $formats): array |
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{ |
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$alternates = []; |
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if (\count($formats) > 1 || \in_array('html', $formats)) { |
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foreach ($formats as $format) { |
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$format == 'html' ? $rel = 'canonical' : $rel = 'alternate'; |
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$alternates[] = [ |
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'rel' => $rel, |
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'type' => $this->config->getOutputFormatProperty($format, 'mediatype'), |
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'title' => strtoupper($format), |
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'format' => $format, |
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]; |
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} |
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} |
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return $alternates; |
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} |
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/** |
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* Returns the collection of translated pages for a given page. |
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*/ |
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protected function getTranslations(Page $refPage): \Cecil\Collection\Page\Collection |
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{ |
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$pages = $this->builder->getPages()->filter(function (Page $page) use ($refPage) { |
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return $page->getId() !== $refPage->getId() |
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&& $page->getVariable('langref') == $refPage->getVariable('langref') |
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&& $page->getType() == $refPage->getType() |
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&& !empty($page->getVariable('published')) |
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&& !$page->getVariable('paginated'); |
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}); |
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return $pages; |
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} |
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} |
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Cecilapp /
Cecil
