SettingsController::themeInfoToMediaItem PHP Method

    private function themeInfoToMediaItem($themeKey, $isCurrent = false)
    {
        $themeInfo = Gdn::themeManager()->getThemeInfo($themeKey);
        if (!$themeInfo) {
            throw new Exception(sprintf(t('Theme with key %s not found.'), $themeKey));
        }
        $options = val('Options', $themeInfo, []);
        $iconUrl = val('IconUrl', $themeInfo, val('ScreenshotUrl', $themeInfo, "applications/dashboard/design/images/theme-placeholder.svg"));
        $themeName = val('Name', $themeInfo, val('Index', $themeInfo, $themeKey));
        $themeUrl = val('ThemeUrl', $themeInfo, '');
        $description = val('Description', $themeInfo, '');
        $version = val('Version', $themeInfo, '');
        $newVersion = val('NewVersion', $themeInfo, '');
        $attr = [];
        if ($isCurrent) {
            $attr['class'] = 'media-callout-grey-bg';
        }
        $media = new MediaItemModule($themeName, $themeUrl, $description, 'div', $attr);
        $media->setView('media-callout');
        $media->addOption('has-options', !empty($options));
        $media->addOption('has-upgrade', $newVersion != '' && version_compare($newVersion, $version, '>'));
        $media->addOption('new-version', val('NewVersion', $themeInfo, ''));
        $media->setImage($iconUrl);
        if ($isCurrent) {
            $media->addOption('is-current', $isCurrent);
        }
        // Meta
        // Add author meta
        $author = val('Author', $themeInfo, '');
        $authorUrl = val('AuthorUrl', $themeInfo, '');
        $media->addMetaIf($author != '', '<span class="media-meta author">' . sprintf('Created by %s', $authorUrl != '' ? anchor($author, $authorUrl) : $author) . '</span>');
        // Add version meta
        $version = val('Version', $themeInfo, '');
        $media->addMetaIf($version != '', '<span class="media-meta version">' . sprintf(t('Version %s'), $version) . '</span>');
        // Add requirements meta
        $requirements = val('RequiredApplications', $themeInfo, []);
        $required = [];
        $requiredString = '';
        if (!empty($requirements)) {
            foreach ($requirements as $requirement => $versionInfo) {
                $required[] = printf(t('%1$s Version %2$s'), $requirement, $versionInfo);
            }
        }
        if (!empty($required)) {
            $requiredString .= '<span class="media-meta requirements">' . t('Requires: ') . implode(', ', $required) . '</span>';
        }
        $media->addMetaIf($requiredString != '', $requiredString);
        return $media;
    }