Internal: Add Twig function to get base64-encoded asset - refs BT#21621

src/CoreBundle/ServiceHelper/ThemeHelper.php

@@ -10,6 +10,8 @@ use Chamilo\CoreBundle\Settings\SettingsManager;
 use Chamilo\CourseBundle\Settings\SettingsCourseManager;
 use League\Flysystem\FilesystemException;
 use League\Flysystem\FilesystemOperator;
+use League\Flysystem\UnableToReadFile;
+use League\MimeTypeDetection\ExtensionMimeTypeDetector;
 use Symfony\Component\DependencyInjection\Attribute\Autowire;
 use Symfony\Component\Routing\Generator\UrlGeneratorInterface;
 use Symfony\Component\Routing\RouterInterface;
@@ -71,7 +73,7 @@ final class ThemeHelper
         return $visualTheme;
     }
 
-    public function getThemeAssetUrl(string $path, bool $absolute = false): string
+    public function getThemeAssetUrl(string $path, bool $absoluteUrl = false): string
     {
         $themeName = $this->getVisualTheme();
 
@@ -86,7 +88,7 @@ final class ThemeHelper
         return $this->router->generate(
             'theme_asset',
             ['name' => $themeName, 'path' => $path],
-            $absolute ? UrlGeneratorInterface::ABSOLUTE_URL : UrlGeneratorInterface::ABSOLUTE_PATH
+            $absoluteUrl ? UrlGeneratorInterface::ABSOLUTE_URL : UrlGeneratorInterface::ABSOLUTE_PATH
         );
     }
 
@@ -100,4 +102,41 @@ final class ThemeHelper
 
         return sprintf('<link rel="stylesheet" href="%s">', $url);
     }
+
+    public function getAssetContents(string $path): string
+    {
+        $themeName = $this->getVisualTheme();
+        $fullPath = $themeName.DIRECTORY_SEPARATOR.$path;
+
+        try {
+            if ($this->filesystem->fileExists($fullPath)) {
+                $stream = $this->filesystem->readStream($fullPath);
+
+                return stream_get_contents($stream);
+            }
+        } catch (FilesystemException|UnableToReadFile) {
+            return '';
+        }
+
+        return '';
+    }
+
+    public function getAssetBase64Encoded(string $path): string
+    {
+        $visualTheme = $this->getVisualTheme();
+        $fullPath = $visualTheme.DIRECTORY_SEPARATOR.$path;
+
+        try {
+            if ($this->filesystem->fileExists($fullPath)) {
+                $detector = new ExtensionMimeTypeDetector();
+                $mimeType = (string) $detector->detectMimeTypeFromFile($fullPath);
+
+                return 'data:'.$mimeType.';base64,'.base64_encode($this->getAssetContents($path));
+            }
+        } catch (FilesystemException) {
+            return '';
+        }
+
+        return '';
+    }
 }

src/CoreBundle/Twig/Extension/ChamiloExtension.php

@@ -74,6 +74,7 @@ class ChamiloExtension extends AbstractExtension
             new TwigFunction('password_checker_js', [$this, 'getPasswordCheckerJs'], ['is_safe' => ['html']]),
             new TwigFunction('theme_asset', $this->getThemeAssetUrl(...)),
             new TwigFunction('theme_asset_link_tag', $this->getThemeAssetLinkTag(...), ['is_safe' => ['html']]),
+            new TwigFunction('theme_asset_base64', $this->getThemeAssetBase64Encoded(...)),
         ];
     }
 
@@ -228,13 +229,18 @@ class ChamiloExtension extends AbstractExtension
         return 'chamilo_extension';
     }
 
-    public function getThemeAssetUrl(string $path, bool $absolute = false): string
+    public function getThemeAssetUrl(string $path, bool $absoluteUrl = false): string
     {
-        return $this->themeHelper->getThemeAssetUrl($path, $absolute);
+        return $this->themeHelper->getThemeAssetUrl($path, $absoluteUrl);
     }
 
     public function getThemeAssetLinkTag(string $path, bool $absoluteUrl = false): string
     {
         return $this->themeHelper->getThemeAssetLinkTag($path, $absoluteUrl);
     }
+
+    public function getThemeAssetBase64Encoded(string $path): string
+    {
+        return $this->themeHelper->getAssetBase64Encoded($path);
+    }
 }