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wp-content/plugins/mailpoet/lib/Config/Renderer.php

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+<?php // phpcs:ignore SlevomatCodingStandard.TypeHints.DeclareStrictTypes.DeclareStrictTypesMissing
+
+namespace MailPoet\Config;
+
+if (!defined('ABSPATH')) exit;
+
+
+use MailPoet\Twig;
+use MailPoet\WP\Functions as WPFunctions;
+use MailPoetVendor\Twig\Extension\DebugExtension;
+use MailPoetVendor\Twig\Lexer as TwigLexer;
+use MailPoetVendor\Twig\Loader\FilesystemLoader as TwigFileSystem;
+
+class Renderer {
+  protected $cachePath;
+  protected $debuggingEnabled;
+  protected $renderer;
+  public $assetsManifestJs;
+  public $assetsManifestCss;
+
+  public function __construct(
+    bool $debuggingEnabled,
+    string $cachePath,
+    TwigFileSystem $fileSystem,
+    bool $autoReload = false
+  ) {
+    $this->debuggingEnabled = $debuggingEnabled;
+    $this->cachePath = $cachePath;
+    $this->renderer = new TwigEnvironment(
+      $fileSystem,
+      [
+        'cache' => new TwigFileSystemCache($cachePath),
+        'debug' => $this->debuggingEnabled,
+        'auto_reload' => $autoReload,
+      ]
+    );
+
+    $this->assetsManifestJs = $this->getAssetManifest(Env::$assetsPath . '/dist/js/manifest.json');
+    $this->assetsManifestCss = $this->getAssetManifest(Env::$assetsPath . '/dist/css/manifest.json');
+    $this->setupDebug();
+    $this->setupTranslations();
+    $this->setupFunctions();
+    $this->setupFilters();
+    $this->setupHandlebars();
+    $this->setupAnalytics();
+    $this->setupGlobalVariables();
+    $this->setupSyntax();
+  }
+
+  public function getTwig(): TwigEnvironment {
+    return $this->renderer;
+  }
+
+  public function setupTranslations() {
+    $this->renderer->addExtension(new Twig\I18n(Env::$pluginName));
+  }
+
+  public function setupFunctions() {
+    $this->renderer->addExtension(new Twig\Functions());
+  }
+
+  public function setupFilters() {
+    $this->renderer->addExtension(new Twig\Filters());
+  }
+
+  public function setupHandlebars() {
+    $this->renderer->addExtension(new Twig\Handlebars());
+  }
+
+  public function setupAnalytics() {
+    $this->renderer->addExtension(new Twig\Analytics());
+  }
+
+  public function setupGlobalVariables() {
+    $this->renderer->addExtension(
+      new Twig\Assets(
+        [
+          'version' => Env::$version,
+          'assets_url' => Env::$assetsUrl,
+          'assets_manifest_js' => $this->assetsManifestJs,
+          'assets_manifest_css' => $this->assetsManifestCss,
+        ],
+        WPFunctions::get()
+      )
+    );
+  }
+
+  public function setupSyntax() {
+    $lexer = new TwigLexer($this->renderer, [
+      'tag_comment' => ['<#', '#>'],
+      'tag_block' => ['<%', '%>'],
+      'tag_variable' => ['<%=', '%>'],
+      'interpolation' => ['%{', '}'],
+    ]);
+    $this->renderer->setLexer($lexer);
+  }
+
+  public function setupDebug() {
+    if ($this->debuggingEnabled) {
+      $this->renderer->addExtension(new DebugExtension());
+    }
+  }
+
+  public function render($template, $context = []) {
+    try {
+      $loaded = $this->renderer->load($template);
+
+      // schedule "after_javascript" block to be printed only after other scripts
+      if ($loaded->hasBlock('after_javascript')) {
+        $afterJs = $loaded->renderBlock('after_javascript', $context);
+        WPFunctions::get()->addAction('admin_print_footer_scripts', function () use ($afterJs): void {
+          // This is content is generated by Twig.
+          // phpcs:ignore WordPress.Security.EscapeOutput.OutputNotEscaped
+          echo $afterJs;
+        });
+      }
+      return $loaded->render($context);
+    } catch (\RuntimeException $e) {
+      throw new \Exception(sprintf(
+        // translators: %1$s is the name of the render, %2$s the folder path, %3$s the error message.
+        __('Failed to render template "%1$s". Please ensure the template cache folder "%2$s" exists and has write permissions. Terminated with error: "%3$s"', 'mailpoet'),
+        $template,
+        $this->cachePath,
+        $e->getMessage()
+      ));
+    }
+  }
+
+  public function getAssetManifest($manifestFile) {
+    if (is_readable($manifestFile)) {
+      $contents = file_get_contents($manifestFile);
+      if (is_string($contents)) {
+        return json_decode($contents, true);
+      }
+    }
+    return false;
+  }
+
+  public function getJsAsset($asset) {
+    return (!empty($this->assetsManifestJs[$asset])) ?
+      $this->assetsManifestJs[$asset] :
+      $asset;
+  }
+
+  public function getCssAsset($asset) {
+    return (!empty($this->assetsManifestCss[$asset])) ?
+      $this->assetsManifestCss[$asset] :
+      $asset;
+  }
+}