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<?php
namespace WPForms\Integrations\AI\Admin\Ajax;
use WPForms\Integrations\AI\API\API;
/**
* Base class.
*
* @since 1.9.1
*/
abstract class Base {
/**
* API instance.
*
* @since 1.9.1
*
* @var API
*/
protected $api;
/**
* Initialize.
*
* @since 1.9.1
*/
public function init() {
$this->api = new API();
$this->api->init();
$this->hooks();
}
/**
* Register hooks.
*
* @since 1.9.1
*/
private function hooks() {
add_action( 'wp_ajax_wpforms_rate_ai_response', [ $this, 'rate_response' ] );
}
/**
* Rate choices response.
*
* @since 1.9.1
*/
public function rate_response() {
if ( ! $this->validate_nonce() ) {
wp_send_json_error();
}
$helpful = $this->get_post_data( 'helpful', 'bool' );
$response_id = $this->get_post_data( 'response_id' );
$response = $this->api->rate( $helpful, $response_id );
wp_send_json_success( $response );
}
/**
* Validate nonce.
*
* @since 1.9.1
*
* @return bool|int
*/
protected function validate_nonce() {
return check_ajax_referer( 'wpforms-ai-nonce', 'nonce', false );
}
/**
* Get post data by key.
*
* @since 1.9.1
*
* @param string $key Key to get data for.
* @param string $type Type of data to get.
*
* @return mixed
*/
protected function get_post_data( string $key, string $type = 'text' ) { // phpcs:ignore Generic.Metrics.CyclomaticComplexity.TooHigh
switch ( $type ) {
case 'int':
$value = filter_input( INPUT_POST, $key, FILTER_SANITIZE_NUMBER_INT ) ?? 0;
break;
case 'array':
$value = filter_input( INPUT_POST, $key, FILTER_SANITIZE_FULL_SPECIAL_CHARS, FILTER_REQUIRE_ARRAY ) ?? [];
break;
case 'bool':
$value = filter_input( INPUT_POST, $key, FILTER_VALIDATE_BOOLEAN ) ?? false;
break;
case 'json':
$value = json_decode( filter_input( INPUT_POST, $key ), true );
break;
default:
// We should use this alternative to FILTER_SANITIZE_FULL_SPECIAL_CHARS filter,
// because htmlspecialchars() function does double encoding of special characters,
// which is necessary to properly handle the encoded HTML in chat questions.
$value = htmlspecialchars( filter_input( INPUT_POST, $key ) ?? '' );
break;
}
return $value;
}
/**
* Determine whether a given prompt is empty.
*
* It must contain a minimum of one character.
*
* @since 1.9.1
*
* @param string $prompt The prompt to check.
*
* @return bool True if the prompt is empty.
*/
protected function is_empty_prompt( string $prompt ): bool {
$special_chars = [ '@', '!', '#', '$', '%', '^', '&', '*', '(', ')', '-', '+', '=', '{', '}', '[', ']', '|', '\\', ':', ';', '"', "'", '<', '>', ',', '.', '?', '/' ];
$prompt = str_replace( $special_chars, '', $prompt );
return empty( $prompt );
}
}