Random Products Snipped HELP

him need someone to help with a snipped. Im using the snipped below, to randomply show woocommerce products on every visit. so when someone visits the site, woocommerce shop products will randomly showed.

i want this ti aply only to the SHOP page and EXCLUDE the Main-Website Page. how can i modify the code to achive that? any idea?

add_filter( 'woocommerce_get_catalog_ordering_args', 'custom_woocommerce_get_catalog_ordering_args' );

function custom_woocommerce_get_catalog_ordering_args( $args ) {
	$orderby_value = isset( $_GET['orderby'] ) ? woocommerce_clean( $_GET['orderby'] ) : apply_filters( 'woocommerce_default_catalog_orderby', get_option( 'woocommerce_default_catalog_orderby' ) );

	if(is_product_category('Alle Produkte - neue zuerst')){
		$args['orderby'] = 'date';
		$args['order'] = 'desc';
		$args['meta_key'] = '';
	} else if ( 'random_list' == $orderby_value ) {
		$args['orderby'] = 'rand';
		$args['order'] = '';
		$args['meta_key'] = '';
	}
	return $args;
}

add_filter( 'woocommerce_default_catalog_orderby_options', 'custom_woocommerce_catalog_orderby' );
add_filter( 'woocommerce_catalog_orderby', 'custom_woocommerce_catalog_orderby' );

function custom_woocommerce_catalog_orderby( $sortby ) {
	$sortby['random_list'] = 'Zuf?llig';
	return $sortby;
}

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