Customize WordPress Elementor Video Widget with GDPR Notice and download YT / Vimeo Thumbnails in /uploads directory for local loading

functions.php

function add_custom_div_to_elementor_video_widget( $widget_content, $widget ) {
    if ( 'video' === $widget->get_name() ) {
        $provider = $widget->get_settings('video_type');
        $provider_names = [
            'youtube' => "YouTube",
            'vimeo' => "Vimeo",
        ];
        $gdpr_urls = [
            'youtube' => 'https://policies.google.com/privacy?hl=de',
            'vimeo' => 'https://vimeo.com/privacy',
        ];
        $gdpr_link_stack = '<a target="_blank" rel="noopener nofollow" href="'.$gdpr_urls[$provider].'">Datenschutzerklärung</a>';
        $gdpr_div = '<div class="video-provider-gdpr-info"><div class="inner">Mit dem Abspielen des Videos akzeptieren Sie die '.$gdpr_link_stack.' von '.$provider_names[$provider].'.</div></div>';
        $widget_content .= $gdpr_div;
    }
    return $widget_content;
}
add_filter( 'elementor/widget/render_content', 'add_custom_div_to_elementor_video_widget', 10, 2 );




function get_youtube_thumbnail_with_fallback($video_id) {
    $high_res_url = 'https://img.youtube.com/vi/' . $video_id . '/maxresdefault.jpg';
    $low_res_url = 'https://img.youtube.com/vi/' . $video_id . '/hqdefault.jpg';

    // Versuche, das Thumbnail in der höchsten Auflösung zu erhalten
    $response = wp_remote_get($high_res_url);
    if (!is_wp_error($response) && wp_remote_retrieve_response_code($response) == 200) {
        return $high_res_url;
    } else {
        // Fallback auf niedrigere Auflösung, wenn die höchste nicht verfügbar ist
        return $low_res_url;
    }
}


function get_video_thumbnail( $video_url ) {
    $upload_dir = wp_upload_dir();
    $video_thumbs_dir = $upload_dir['basedir'] . '/video-thumbs/';

    // Stelle sicher, dass das Verzeichnis existiert
    if ( ! file_exists( $video_thumbs_dir ) ) {
        wp_mkdir_p( $video_thumbs_dir );
    }

    // YouTube
    if ( strpos( $video_url, 'youtube.com' ) !== false || strpos( $video_url, 'youtu.be' ) !== false ) {
        preg_match( '/(youtu\.be\/|youtube\.com\/(watch\?(.*&)?v=|(embed|v)\/))([^\?&"\'<>]+)/', $video_url, $matches );
        if ( isset( $matches[5] ) ) {
            $video_id = $matches[5];
            //$thumbnail_url = 'https://img.youtube.com/vi/' . $video_id . '/hqdefault.jpg';
            $thumbnail_url = get_youtube_thumbnail_with_fallback($video_id);
        }
    }

    // Vimeo
    if ( strpos( $video_url, 'vimeo.com' ) !== false ) {
        $video_id = (int) substr( parse_url( $video_url, PHP_URL_PATH ), 1 );
        $oembed_url = "https://vimeo.com/api/oembed.json?url=https%3A//vimeo.com/$video_id";
        $response = wp_remote_get($oembed_url);
        if (is_wp_error($response)) {
            return false;
        }
        $body = wp_remote_retrieve_body($response);
        $data = json_decode($body, true);
        if (isset($data['thumbnail_url'])) {
            $thumbnail_url = $data['thumbnail_url']; // oder 'thumbnail_url' für das normale Thumbnail
        }
    }

    if ( isset( $thumbnail_url ) ) {
        $thumbnail_filename = $video_thumbs_dir . $video_id . '.jpg';
        $thumbnail_public_url = $upload_dir['baseurl'].'/video-thumbs/'.$video_id . '.jpg';
        
        // Überprüfe, ob das Thumbnail bereits existiert
        if ( ! file_exists( $thumbnail_filename ) ) {
            // Lade das Thumbnail herunter und speichere es
            $image_data = file_get_contents( $thumbnail_url );
            file_put_contents( $thumbnail_filename, $image_data );
        }

        return $thumbnail_public_url;
    }

    return false;
}


function adjust_elementor_video_settings( $element ) {
    // Stelle sicher, dass das Element ein Widget ist
    if ( 'widget' === $element->get_type() ) {
        // Überprüfe, ob das Widget ein Video-Widget ist
        if ( 'video' === $element->get_name() ) {

            $settings = $element->get_settings();
            
            if($element->get_settings('video_type') == 'vimeo'){
              $video_url = $element->get_settings('vimeo_url');
            }
            if($element->get_settings('video_type') == 'youtube'){
              $video_url = $element->get_settings('youtube_url');
            }
            if($video_url) {
              $thumb = get_video_thumbnail($video_url);
            }
            if($thumb && $settings['image_overlay']['url'] == ""){
              $settings['image_overlay']['url'] = $thumb;
              $settings['image_overlay']['id'] = '';
              $settings['image_overlay']['alt'] = '';
              $settings['image_overlay']['source'] = '';
              $element->set_settings($settings);
            }
            
            
        }
    }
}
add_action( 'elementor/frontend/before_render', 'adjust_elementor_video_settings', 10, 1 );