Show notice on vendor store & single product page

functions.php

/* Store notice field seller settings */

add_filter( 'dokan_settings_form_bottom', 'extra_fields', 10, 2);
function extra_fields( $current_user, $profile_info ){
   $booth_news= get_user_meta( $current_user, 'booth_news', true );
?>
     <div class="gregcustom dokan-form-group">
            <label class="dokan-w3 dokan-control-label" for="setting_address">
                <?php _e( 'Store Notice', 'dokan' ); ?>
            </label>

                <div class="dokan-w8 dokan-text-left">
                        <?php
                            $booth_news_args = array(
                                'editor_height' => 200,
                                'media_buttons' => true,
                                'teeny'         => true,
                                'quicktags'     => false
                            );
                            wp_editor( $booth_news, 'booth_news', $booth_news_args );
                        ?>
            </div>


<?php
}
/* Saving the booth news field */
add_action( 'dokan_store_profile_saved','save_extra_fields', 10 );

    function save_extra_fields( $store_id ) {
         if ( ! $store_id ) {
            return;
        }

        if ( ! isset( $_POST['booth_news'] ) ) {
            return;
        }

        update_user_meta( $store_id, 'booth_news', $_POST['booth_news'] );
    
    }

/*Showing extra field data on the store page*/

add_action( 'dokan_store_profile_frame_after','custom_side_bar',10,2);

function custom_side_bar( $store_user, $store_info ){
    $booth_news = get_user_meta( $store_user->ID, 'booth_news', true );
   

?>
        <?php if ( !empty( $booth_news ) ) { ?>
            <div class="dokan-store-sidebar">
                   <aside class="widget">
                        <h3 class="widget-title"><?php _e( 'Notice', 'dokan' ); ?></h3>
                            <?php echo  wpautop( $booth_news ); ?>
                     </aside>
            </div>
        <?php } ?>


        <?php
}


/*Show notice on single product page*/


add_action( 'woocommerce_single_product_summary', 'booth_news_notice', 11 );
function booth_news_notice() {
    global $product;
    $seller     = get_post_field( 'post_author', $product->get_id() );
    $author     = get_user_by( 'id', $seller );
    $booth_news = get_user_meta( $author->ID, 'booth_news', true );
    if ( ! empty( $booth_news ) ) { ?>
         <div class="details">
            <aside class="widget">
                <h3 class="widget-title"><?php _e( 'Notice', 'dokan' ); ?></h3>
                <?php echo  wpautop( $booth_news ); ?>
            </aside>
        </div>
        <?php
    }
}