JetSearch. Completely rewrite search query handler

jet-search-rewrite.php

<?php
add_action( 'wp_ajax_jet_ajax_search',        'my_get_search_results', 0 );
add_action( 'wp_ajax_nopriv_jet_ajax_search', 'my_get_search_results', 0 );

function my_get_search_results() {

	$request      = $_GET['data'];
	$search_query = urldecode( $request['value'] );
	$per_page     = ( int ) $request['limit_query_in_result_area'];

	/**
	 * Here perform your search query
	 */
	$query = 'resulting query';

	if ( 'query is empty' ) {
		wp_send_json_success( array( 'message' => $request['negative_search'] ) );
	}

	// prepare some service data
	$limit_query      = jet_search_ajax_handlers()->extract_limit_query( $request );
	$posts_count      = $query->post_count; // you need to extract your results count in some way
	$columns          = ceil( $posts_count / $limit_query );
	$link_target_attr = ( isset( $request['show_result_new_tab'] ) && 'yes' === $request['show_result_new_tab'] ) ? '_blank' : '';

	$navigation_settings = array_merge( $request, array(
		'limit_query' => $limit_query,
		'posts_count' => $posts_count,
		'columns'     => $columns,
	) );

	$result = array(
		'error'              => false,
		'post_count'         => $posts_count,
		'limit_query'        => $limit_query,
		'columns'            => $columns,
		'results_navigation' => jet_search_ajax_handlers()->get_results_navigation( $navigation_settings ),
		'message'            => '',
		'posts'              => array(),
	);

	// iterate trough query results to prepare required data
	foreach ( $search->posts as $id => $post ) {

		/**
		 * If your $post object in query results is not default WP_Post object, to ensure methods from Jet_Search_Template_Functions will work properly, 
		 * you need to set ID property for post object into actual post ID and post_type property to 'product'
		 */
		$response['posts'][ $id ] = array(
			'title'            => $post->post_title,
			'before_title'     => 'custom data before title',
			'after_title'      => 'custom data after title',
			'content'          => 'post contnetnt',
			'before_content'   => 'custom data before content',
			'after_content'    => 'custom data after content',
			'thumbnail'        => Jet_Search_Template_Functions::get_post_thumbnail( $request, $post ),
			'link'             => 'post link',
			'link_target_attr' => $link_target_attr,
			'price'            => Jet_Search_Template_Functions::get_product_price( $request, $post ),
			'rating'           => Jet_Search_Template_Functions::get_product_rating( $request, $post ),
		);

		if ( ! jet_search_ajax_handlers()->has_navigation && $key === $request['limit_query'] - 1 ) {
			break;
		}
	}

	wp_send_json_success( $result );

}

Do you think it would be possible to display terms as a results too?

Hello.
Would it be possible to adapt this code for the latest version of JeSearch? I'd need to filter on the value of a specific custom field, and I confess I'm struggling a bit.
Thanks.