"Buy Again" Tab With Previously Purchased Products

$wpide_buy_again_slug = 'buy-again'; // URL slug: /my-account/buy-again/

add_action( 'init', function () use ( $wpide_buy_again_slug ) {
    add_rewrite_endpoint( $wpide_buy_again_slug, EP_ROOT | EP_PAGES );
} );

add_filter( 'woocommerce_get_query_vars', function ( $vars ) use ( $wpide_buy_again_slug ) {
    $vars[ $wpide_buy_again_slug ] = $wpide_buy_again_slug;

    return $vars;
} );

add_filter( 'woocommerce_account_menu_items', function ( $items ) use ( $wpide_buy_again_slug ) {
    $new = array();

    foreach ( $items as $key => $label ) {
        $new[ $key ] = $label;

        if ( 'orders' === $key ) {
            $new[ $wpide_buy_again_slug ] = 'Buy again';
        }
    }

    return $new;
} );

add_action( 'woocommerce_account_' . $wpide_buy_again_slug . '_endpoint', function () {
    $user_id = get_current_user_id();
    $ids     = get_transient( 'wpide_buy_again_' . $user_id );

    if ( false === $ids ) {
        $ids    = array();
        $orders = wc_get_orders( array( 'customer_id' => $user_id, 'status' => wc_get_is_paid_statuses(), 'limit' => 50 ) );

        foreach ( $orders as $order ) {
            foreach ( $order->get_items() as $item ) {
                $ids[] = $item->get_variation_id() ? $item->get_variation_id() : $item->get_product_id();
            }
        }

        $ids = array_values( array_unique( array_filter( $ids ) ) );
        set_transient( 'wpide_buy_again_' . $user_id, $ids, DAY_IN_SECONDS );
    }

    $shown = 0;
    echo '<ul class="wpide-buy-again" style="list-style:none;margin:0;padding:0">';

    foreach ( $ids as $id ) {
        $product = wc_get_product( $id );

        if ( ! $product || ! $product->is_purchasable() || ! $product->is_in_stock() ) {
            continue;
        }

        $shown++;
        printf(
            '<li style="display:flex;gap:1em;align-items:center;padding:.75em 0;border-bottom:1px solid #eee"><a href="%1$s" style="flex:0 0 64px">%2$s</a><span style="flex:1"><a href="%1$s">%3$s</a><br>%4$s</span><a class="button" href="%5$s">%6$s</a></li>',
            esc_url( $product->get_permalink() ),
            wp_kses_post( $product->get_image( array( 64, 64 ) ) ),
            esc_html( $product->get_name() ),
            wp_kses_post( $product->get_price_html() ),
            esc_url( $product->is_type( 'variation' ) ? add_query_arg( array_merge( array( 'add-to-cart' => $product->get_parent_id(), 'variation_id' => $id ), $product->get_variation_attributes() ), wc_get_cart_url() ) : add_query_arg( 'add-to-cart', $id, wc_get_cart_url() ) ),
            esc_html( 'Add to cart' )
        );
    }

    echo '</ul>';

    if ( ! $shown ) {
        echo '<p>' . esc_html( 'Products you buy will appear here for quick reordering.' ) . '</p>';
    }
} );

add_action( 'woocommerce_order_status_changed', function ( $order_id, $from, $to, $order ) {
    if ( $order instanceof WC_Order && $order->get_customer_id() ) {
        delete_transient( 'wpide_buy_again_' . $order->get_customer_id() );
    }
}, 10, 4 );