Show products from a category conditionally on the cart page

example.php

<?php

function get_products_in_cart2() {
	$cart_ids = array();
	foreach( WC()->cart->get_cart() as $cart_item_key => $values ) {
		$cart_product = $values['data'];
		$cart_ids[]   = $cart_product->id;
	}
	return $cart_ids;
}

function get_categories_in_cart2( $cart_ids ) {
	$cart_categories = array();
	foreach( $cart_ids as $id ) {
		$products_categories = get_the_terms( $id, 'product_cat' );
		if ( ! empty( $products_categories ) ) {
			// Loop through each product category and add it to our $cart_categories array
			foreach ( $products_categories as $products_category ) {
				$cart_categories[] = $products_category->slug;
			}
		}
	}
	return $cart_categories;
}

function check_for_category_in_cart2( $category, $cart_categories ) {
	if ( in_array( $category, $cart_categories ) ) {
		$category_in_cart = true;
	} else {
		$category_in_cart = false;
	}
	return $category_in_cart;
}

add_action( 'woocommerce_after_cart_table', 'wc_ninja_add_categories_to_cart2' );
function wc_ninja_add_categories_to_cart2() {
	$cart_categories = get_categories_in_cart2( get_products_in_cart2() );
	$floral_bunches_in_cart = check_for_category_in_cart2( 'floral-bunches', $cart_categories );
	$gifts_in_cart = check_for_category_in_cart2( 'gifts', $cart_categories );
	if ( $floral_bunches_in_cart && ! $gifts_in_cart ) {
		echo do_shortcode( '[product_category category="gifts" per_page="15" columns="5" orderby="date" order="ASC"]' );
	}
}