Untitled

public function getLanguageToggleData()
{
    $hearsayClientCustomization = new HearsayClientCustomization();
    $node = \Drupal::routeMatch()->getParameter('node');
    $nodeType = $term = $slugNode = $nid = $alias = $returnData = '';
    if ($node != null) {
        // For preview mode  - use preview configuration.
        if ($this->siteTools->isPreview() == true) {
            $slug = $this->siteTools->queryString('slug');
            // Get base slug language.
            $slugLanguage = $hearsayClientCustomization->getBaseSlugLanguage($slug);
            $returnData = [
                'toggleUrl' => $alias,
                'currentUrlLanguage' => $slugLanguage,
            ];
        } else {
            $nodeType = $node->getType();
            // Get current base slug data.
            $slugDataByNode = (object)$this->getSlugByNode();
            // Get slug for en/fr site if exist.
            if ($slugDataByNode->field_baseslug_default_language->value == 'English') {
                // Create slug to check if en/fr site exist or not.
                $languageToFind = 'French';
            } elseif ($slugDataByNode->field_baseslug_default_language->value == 'French') {
                // Create slug to check if en/fr site exist or not.
                $languageToFind = 'English';
            }
            // Get slug for en/fr site if exist.
            $term = \Drupal::entityQuery('taxonomy_term')->accessCheck(false)->condition('vid', 'base_slugs')->condition('name', $slugDataByNode->name->value)->condition('field_baseslug_default_language', $languageToFind)->execute();
            $term = !empty($term) ? reset($term) : '';
            $otherLanguageSlug = Term::Load($term);
            if ($otherLanguageSlug) {
                $node = \Drupal::routeMatch()->getParameter('node');
                $nodeType = substr($node->getType(), 0, -3);
                $languageAbbr = $hearsayClientCustomization->getLanguageAbbreviation($languageToFind);
                // Get all the node types for EN and FR.
                $slugNode = \Drupal::entityTypeManager()->getStorage('node')->loadByProperties([
                    'type' => $nodeType . '_' . $languageAbbr,
                    'field_ref_taxo_base_slug' => $term,
                ]);
                if ($slugNode) {
                    $nid = reset($slugNode)->id();
                    $alias = \Drupal::service('path_alias.manager')->getAliasByPath('/node/' . $nid);
                }
                if ($otherLanguageSlug->field_path_url->value) {
                    $parts = parse_url($otherLanguageSlug->field_path_url->value);
                    $domain = $parts['scheme'] . '://' . $parts['host'] . $alias;
                }
            }
            $currentPageUrl = Xss::filter(\Drupal::request()->getUri());
            $returnData = [
                'toggleUrl' => $alias,
                'currentPageUrl' => $currentPageUrl,
                'currentUrlLanguage' => $slugDataByNode->field_baseslug_default_language->value,
                'otherLanguageUrl' => $domain ?? '',
                'languageAbbr' => strtoupper($hearsayClientCustomization->getLanguageAbbreviation($slugDataByNode->field_baseslug_default_language->value)),
            ];
        }
    }
    return $returnData;
}