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📝 Editing: class-forminator-addon-activecampaign-wp-api.php

<?php
/**
 * The Forminator Activecampaign Wp_Api.
 *
 * @package    Forminator
 */

/**
 * Class Forminator_Activecampaign_Wp_Api
 */
class Forminator_Activecampaign_Wp_Api {

/**
	 * Activecampaign endpoint of api
	 *
	 * @var string
	 */
	private $_endpoint = '';

/**
	 * Activecampaign API Key api
	 *
	 * @var string
	 */
	private $_api_key = '';

/**
	 * Last data sent to activecampaign
	 *
	 * @since 1.0 Activecampaign Integration
	 * @var array
	 */
	private $_last_data_sent = array();

/**
	 * Last data received from activecampaign
	 *
	 * @since 1.0 Activecampaign Integration
	 * @var array
	 */
	private $_last_data_received = array();

/**
	 * Last URL requested
	 *
	 * @since 1.0 Activecampaign Integration
	 * @var string
	 */
	private $_last_url_request = '';

/**
	 * Forminator_Activecampaign_Wp_Api constructor.
	 *
	 * @since 1.0 Activecampaign Integration
	 *
	 * @param string $_endpoint End point.
	 *
	 * @param string $_api_key API Key.
	 *
	 * @throws Forminator_Integration_Exception Throw Integration Exception.
	 */
	public function __construct( $_endpoint, $_api_key ) {
		// prerequisites.
		if ( ! $_endpoint ) {
			throw new Forminator_Integration_Exception( esc_html__( 'Missing required API URL', 'forminator' ) );
		}

if ( ! $_api_key ) {
			throw new Forminator_Integration_Exception( esc_html__( 'Missing required API Key', 'forminator' ) );
		}

$this->_endpoint = $_endpoint;
		$this->_api_key  = $_api_key;
	}

/**
	 * Add custom user agent on request
	 *
	 * @since 1.0 Activecampaign Integration
	 *
	 * @param string $user_agent User agent.
	 *
	 * @return string
	 */
	public function filter_user_agent( $user_agent ) {
		$user_agent .= ' ForminatorActivecampaign/' . FORMINATOR_ADDON_ACTIVECAMPAIGN_VERSION;

/**
		 * Filter user agent to be used by activecampaign api
		 *
		 * @since 1.1
		 *
		 * @param string $user_agent current user agent.
		 */
		$user_agent = apply_filters( 'forminator_addon_activecampaign_api_user_agent', $user_agent );

return $user_agent;
	}

/**
	 * HTTP Request
	 *
	 * @since 1.0 Activecampaign Integration
	 *
	 * @param string $verb `GET` `POST` `PUT` `DELETE` `PATCH`.
	 * @param string $path requested path resource.
	 * @param array  $args arguments.
	 *
	 * @return array|mixed|object
	 * @throws Forminator_Integration_Exception Throw exception.
	 */
	private function request( $verb, $path, $args = array() ) {
		// Adding extra user agent for wp remote request.
		add_filter( 'http_headers_useragent', array( $this, 'filter_user_agent' ) );

$url  = trailingslashit( $this->_endpoint ) . $path;
		$verb = ! empty( $verb ) ? $verb : 'GET';

/**
		 * Filter activecampaign url to be used on sending api request
		 *
		 * @since 1.1
		 *
		 * @param string $url  full url with scheme.
		 * @param string $verb `GET` `POST` `PUT` `DELETE` `PATCH`.
		 * @param string $path requested path resource.
		 * @param array  $args argument sent to this function.
		 */
		$url = apply_filters( 'forminator_addon_activecampaign_api_url', $url, $verb, $path, $args );

$this->_last_url_request = $url;

$headers = array(
			'Content-Type' => 'application/x-www-form-urlencoded',
		);

/**
		 * Filter activecampaign headers to sent on api request
		 *
		 * @since 1.1
		 *
		 * @param array  $headers
		 * @param string $verb `GET` `POST` `PUT` `DELETE` `PATCH`.
		 * @param string $path requested path resource.
		 * @param array  $args argument sent to this function.
		 */
		$headers = apply_filters( 'forminator_addon_activecampaign_api_request_headers', $headers, $verb, $path, $args );

$_args = array(
			'method'  => $verb,
			'headers' => $headers,
		);

$request_data = $args;
		/**
		 * Filter activecampaign request data to be used on sending api request
		 *
		 * @since 1.1
		 *
		 * @param array  $request_data it will be `http_build_query`-ed when `GET` or `wp_json_encode`-ed otherwise.
		 * @param string $verb         `GET` `POST` `PUT` `DELETE` `PATCH`.
		 * @param string $path         requested path resource.
		 */
		$args = apply_filters( 'forminator_addon_activecampaign_api_request_data', $request_data, $verb, $path );

if ( 'GET' === $verb ) {
			$url .= ( '?' . http_build_query( $args ) );
		} else {
			$_args['body'] = $args;
		}

$this->_last_data_sent = $args;

$res         = wp_remote_request( $url, $_args );
		$wp_response = $res;

remove_filter( 'http_headers_useragent', array( $this, 'filter_user_agent' ) );

if ( is_wp_error( $res ) || ! $res ) {
			forminator_addon_maybe_log( __METHOD__, $res );
			throw new Forminator_Integration_Exception(
				esc_html__( 'Failed to process request, make sure your API URL and API KEY are correct and your server has internet connection.', 'forminator' )
			);
		}

if ( isset( $res['response']['code'] ) ) {
			$status_code = $res['response']['code'];
			$msg         = '';
			if ( $status_code > 400 ) {
				if ( isset( $res['response']['message'] ) ) {
					$msg = $res['response']['message'];
				}

if ( 404 === $status_code ) {
					throw new Forminator_Integration_Exception(
						sprintf(
						/* translators: %s: Error message */
							esc_html__( 'Failed to process request : %s', 'forminator' ),
							esc_html( $msg )
						)
					);
				}
				throw new Forminator_Integration_Exception(
					sprintf(
					/* translators: %s: Error message */
						esc_html__( 'Failed to process request : %s', 'forminator' ),
						esc_html( $msg )
					)
				);
			}
		}

$body = wp_remote_retrieve_body( $res );

// probably silent mode.
		if ( ! empty( $body ) ) {
			$res = json_decode( $body );

// auto validate.
			if ( ! empty( $res ) ) {
				if ( ! isset( $res->result_code ) || 1 !== $res->result_code ) {
					$message = '';
					if ( isset( $res->result_message ) && ! empty( $res->result_message ) ) {
						$message = ' ' . $res->result_message;
					}
					throw new Forminator_Integration_Exception(
						sprintf(
						/* translators: %s: Error message */
							esc_html__( 'Failed to get ActiveCampaign data.%s', 'forminator' ),
							esc_html( $message )
						)
					);
				}
			}
		}

$response = $res;
		/**
		 * Filter activecampaign api response returned to integration
		 *
		 * @since 1.1
		 *
		 * @param mixed          $response    original wp remote request response or decoded body if available.
		 * @param string         $body        original content of http response's body.
		 * @param array|WP_Error $wp_response original wp remote request response.
		 */
		$res = apply_filters( 'forminator_addon_activecampaign_api_response', $response, $body, $wp_response );

$this->_last_data_received = $res;

forminator_addon_maybe_log( $res );

return $res;
	}

/**
	 * Send data to activecampaign API URL
	 *
	 * @since 1.0 Activecampaign Integration
	 *
	 * @param array $args Arguments.
	 *
	 * @return array|mixed|object
	 * @throws Forminator_Integration_Exception Throw Exception.
	 */
	public function post_( $args ) {

return $this->request(
			'POST',
			'',
			$args
		);
	}

/**
	 * Get Account Detail
	 *
	 * @since 1.0 Activecampaign Integration
	 *
	 * @return array|mixed|object
	 * @throws Forminator_Integration_Exception Throw Exception.
	 */
	public function get_account() {

return $this->request(
			'GET',
			'/admin/api.php',
			array(
				'api_action' => 'account_view',
				'api_key'    => $this->_api_key,
				'api_output' => 'json',
			)
		);
	}

/**
	 * Get Lists
	 *
	 * @since 1.0 Activecampaign Integration
	 *
	 * @param array $args Arguments.
	 *
	 * @return array|mixed|object
	 * @throws Forminator_Integration_Exception Throw Exception.
	 */
	public function get_lists( $args = array() ) {

$default_args = array(
			'api_action'    => 'list_list',
			'api_key'       => $this->_api_key,
			'api_output'    => 'json',
			'ids'           => 'all',
			'global_fields' => 1,
			'full'          => 1,
		);