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<?php |
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/* For licensing terms, see /license.txt */ |
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declare(strict_types=1); |
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namespace Chamilo\CoreBundle\Helpers; |
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use Chamilo\CoreBundle\Entity\AccessUrl; |
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use Chamilo\CoreBundle\Settings\SettingsManager; |
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use Chamilo\CourseBundle\Settings\SettingsCourseManager; |
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use League\Flysystem\FilesystemException; |
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use League\Flysystem\FilesystemOperator; |
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use League\MimeTypeDetection\ExtensionMimeTypeDetector; |
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use Symfony\Component\DependencyInjection\Attribute\Autowire; |
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use Symfony\Component\Routing\Generator\UrlGeneratorInterface; |
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use Symfony\Component\Routing\RouterInterface; |
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use const DIRECTORY_SEPARATOR; |
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final class ThemeHelper |
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{ |
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public const DEFAULT_THEME = 'chamilo'; |
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public function __construct( |
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private readonly AccessUrlHelper $accessUrlHelper, |
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private readonly SettingsManager $settingsManager, |
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private readonly UserHelper $userHelper, |
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private readonly CidReqHelper $cidReqHelper, |
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private readonly SettingsCourseManager $settingsCourseManager, |
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private readonly RouterInterface $router, |
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#[Autowire(service: 'oneup_flysystem.themes_filesystem')] |
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private readonly FilesystemOperator $filesystem, |
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) {} |
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/** |
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* Returns the name of the color theme configured to be applied on the current page. |
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* The returned name depends on the platform, course or user settings. |
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*/ |
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public function getVisualTheme(): string |
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{ |
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static $visualTheme; |
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global $lp_theme_css; |
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if (isset($visualTheme)) { |
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return $visualTheme; |
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} |
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$visualTheme = null; |
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$accessUrl = $this->accessUrlHelper->getCurrent(); |
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if ($accessUrl instanceof AccessUrl) { |
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$visualTheme = $accessUrl->getActiveColorTheme()?->getColorTheme()->getSlug(); |
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} |
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if ('true' == $this->settingsManager->getSetting('profile.user_selected_theme')) { |
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$visualTheme = $this->userHelper->getCurrent()?->getTheme(); |
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} |
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if ('true' == $this->settingsManager->getSetting('course.allow_course_theme')) { |
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$course = $this->cidReqHelper->getCourseEntity(); |
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if ($course) { |
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$this->settingsCourseManager->setCourse($course); |
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$visualTheme = $this->settingsCourseManager->getCourseSettingValue('course_theme'); |
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if (1 === (int) $this->settingsCourseManager->getCourseSettingValue('allow_learning_path_theme')) { |
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$visualTheme = $lp_theme_css; |
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} |
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} |
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} |
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if (empty($visualTheme)) { |
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$visualTheme = self::DEFAULT_THEME; |
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} |
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return $visualTheme; |
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} |
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/** |
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* @throws FilesystemException |
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*/ |
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public function getFileLocation(string $path): ?string |
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{ |
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$themeName = $this->getVisualTheme(); |
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$locations = [ |
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$themeName.DIRECTORY_SEPARATOR.$path, |
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self::DEFAULT_THEME.DIRECTORY_SEPARATOR.$path, |
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]; |
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foreach ($locations as $location) { |
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if ($this->filesystem->fileExists($location)) { |
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return $location; |
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} |
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} |
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return null; |
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} |
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public function getThemeAssetUrl(string $path, bool $absoluteUrl = false): string |
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{ |
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try { |
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if (!$this->getFileLocation($path)) { |
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return ''; |
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} |
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} catch (FilesystemException) { |
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return ''; |
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} |
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$themeName = $this->getVisualTheme(); |
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return $this->router->generate( |
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'theme_asset', |
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['name' => $themeName, 'path' => $path], |
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$absoluteUrl ? UrlGeneratorInterface::ABSOLUTE_URL : UrlGeneratorInterface::ABSOLUTE_PATH |
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); |
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} |
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public function getThemeAssetLinkTag(string $path, bool $absoluteUrl = false): string |
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{ |
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$url = $this->getThemeAssetUrl($path, $absoluteUrl); |
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if (empty($url)) { |
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return ''; |
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} |
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return \sprintf('<link rel="stylesheet" href="%s">', $url); |
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} |
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public function getAssetContents(string $path): string |
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{ |
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try { |
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if ($fullPath = $this->getFileLocation($path)) { |
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$stream = $this->filesystem->readStream($fullPath); |
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$contents = stream_get_contents($stream); |
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fclose($stream); |
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return $contents; |
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} |
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} catch (FilesystemException) { |
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return ''; |
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} |
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return ''; |
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} |
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public function getAssetBase64Encoded(string $path): string |
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{ |
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try { |
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if ($fullPath = $this->getFileLocation($path)) { |
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$detector = new ExtensionMimeTypeDetector(); |
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$mimeType = (string) $detector->detectMimeTypeFromFile($fullPath); |
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return 'data:'.$mimeType.';base64,'.base64_encode($this->getAssetContents($path)); |
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} |
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} catch (FilesystemException) { |
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return ''; |
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} |
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return ''; |
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} |
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public function getPreferredLogoUrl(string $type = 'header', bool $absoluteUrl = false): string |
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{ |
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$candidates = $type === 'email' |
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? ['images/email-logo.svg', 'images/email-logo.png'] |
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: ['images/header-logo.svg', 'images/header-logo.png']; |
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foreach ($candidates as $relPath) { |
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$url = $this->getThemeAssetUrl($relPath, $absoluteUrl); |
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if ($url !== '') { |
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return $url; |
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} |
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} |
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return ''; |
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} |
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} |
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chamilo /
chamilo-lms
