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<?php

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/**

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* Wrapper for ActiveCampaign's API.

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* @since 1.1.0

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* @package ET\Core\API\Email

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class ET_Core_API_Email_ActiveCampaign extends ET_Core_API_Email_Provider {

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/**

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* @inheritDoc

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public $name = 'ActiveCampaign';

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/**

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* @inheritDoc

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public $slug = 'activecampaign';

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/**

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* @inheritDoc

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public $uses_oauth = false;

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/**

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* @inheritDoc

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public $custom_fields_scope = 'account';

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protected function _fetch_custom_fields( $list_id = '', $list = array() ) {

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$fields = array();

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foreach ( $list['fields'] as $field ) {

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$field = $this->transform_data_to_our_format( $field, 'custom_field' );

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$field_id = $field['field_id'];

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$type = $field['type'];

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$field['type'] = self::$_->array_get( $this->data_keys, "custom_field_type.{$type}", 'text' );

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if ( isset( $field['options'] ) ) {

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$options = array();

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foreach ( $field['options'] as $option ) {

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$option = $this->transform_data_to_our_format( $option, 'custom_field_option' );

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$id = $option['id'];

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$options[ $id ] = $option['name'];

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}

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$field['options'] = $options;

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}

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$fields[ $field_id ] = $field;

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}

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return $fields;

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}

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protected function _process_custom_fields( $args ) {

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if ( ! isset( $args['custom_fields'] ) ) {

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return $args;

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}

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$fields = $args['custom_fields'];

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unset( $args['custom_fields'] );

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foreach ( $fields as $field_id => $value ) {

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if ( is_array( $value ) && $value ) {

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// This is a multiple choice field (eg. checkbox, radio, select)

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$value = array_values( $value );

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if ( 'checkbox' === $this->data['custom_fields'][ $field_id ]['type'] ) {

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$value = implode( '||', $value );

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$value = "||{$value}||";

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} else {

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$value = array_pop( $value );

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}

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}

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self::$_->array_set( $args, "field[{$field_id},0]", $value );

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}

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return $args;

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}

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/**

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* Returns the requests URL for the account assigned to this class instance.

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* @return string

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protected function _get_requests_url() {

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$base_url = untrailingslashit( $this->data['api_url'] );

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return "{$base_url}/admin/api.php";

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}

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/**

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* @inheritDoc

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public function get_account_fields() {

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return array(

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'api_key' => array(

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'label' => esc_html__( 'API Key', 'et_core' ),

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'api_url' => array(

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'label' => esc_html__( 'API URL', 'et_core' ),

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'apply_password_mask' => false,

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'form_id' => array(

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'label' => esc_html__( 'Form ID', 'et_core' ),

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'not_required' => true,

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'apply_password_mask' => false,

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);

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}

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/**

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* @inheritDoc

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public function get_data_keymap( $keymap = array() ) {

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$keymap = array(

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'list' => array(

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'list_id' => 'id',

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'name' => 'name',

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'subscribers_count' => 'subscriber_count',

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'subscriber' => array(

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'email' => 'email',

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'last_name' => 'last_name',

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'name' => 'first_name',

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'custom_fields' => 'custom_fields',

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'error' => array(

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'error_message' => 'result_message',

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'custom_field' => array(

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'field_id' => 'id',

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'name' => 'title',

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'type' => 'type',

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'hidden' => '!visible',

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'options' => 'options',

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'custom_field_option' => array(

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'id' => 'value',

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'name' => 'name',

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'custom_field_type' => array(

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// Us <=> Them

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'checkbox' => 'checkbox',

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'radio' => 'radio',

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'textarea' => 'textarea',

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'hidden' => 'hidden',

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// Us => Them

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'select' => 'dropdown',

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'input' => 'text',

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// Them => Us

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'dropdown' => 'select',

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'text' => 'input',

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);

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return parent::get_data_keymap( $keymap );

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}

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/**

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* @inheritDoc

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public function fetch_subscriber_lists() {

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if ( empty( $this->data['api_key'] ) || empty( $this->data['api_url'] ) ) {

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return $this->API_KEY_REQUIRED;

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}

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$query_args = array(

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'api_key' => $this->data['api_key'],

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'api_action' => 'list_list',

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'api_output' => 'json',

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'ids' => 'all',

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'full' => '1',

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'global_fields' => '1',

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);

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$request_url = add_query_arg( $query_args, $this->_get_requests_url() );

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$request_url = esc_url_raw( $request_url, array( 'https' ) );

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$this->prepare_request( $request_url );

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$this->request->HEADERS['Content-Type'] = 'application/x-www-form-urlencoded';

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parent::fetch_subscriber_lists();

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if ( $this->response->ERROR ) {

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return $this->get_error_message();

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}

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$lists = array();

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foreach ( $this->response->DATA as $key => $list_data ) {

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if ( ! is_numeric( $key ) ) {

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continue;

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}

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if ( ! empty( $list_data ) ) {

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$lists[] = $list_data;

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}

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}

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$this->data['lists'] = $this->_process_subscriber_lists( $lists );

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$this->data['custom_fields'] = $this->_fetch_custom_fields( '', array_shift( $this->response->DATA ) );

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$this->data['is_authorized'] = 'true';

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$this->save_data();

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et_debug($this->data);

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return 'success';

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}

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/**

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* Get ActiveCampaign subscriber info by email.

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* @param string $email

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* @return array

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public function get_subscriber( $email ) {

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$query_args = array(

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'api_key' => $this->data['api_key'],

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'api_action' => 'subscriber_view_email',

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'api_output' => 'json',

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'email' => $email,

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);

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// Build request URL. This action only accept GET method.

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$request_url = add_query_arg( $query_args, $this->_get_requests_url() );

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$request_url = esc_url_raw( $request_url, array( 'https' ) );

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// Prepare and send the request.

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$this->prepare_request( $request_url );

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$this->request->HEADERS['Content-Type'] = 'application/x-www-form-urlencoded';

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$this->make_remote_request();

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// Ensure no error happen and it's included in one of the lists.

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$list_id = self::$_->array_get( $this->response->DATA, 'listid', false );

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$result_code = self::$_->array_get( $this->response->DATA, 'result_code', false );

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if ( $this->response->ERROR || ! $list_id || ! $result_code ) {

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return false;

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}

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return $this->response->DATA;

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}

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/**

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* @inheritDoc

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public function subscribe( $args, $url= '' ) {

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// Ensure to skip subscribe action if current email already subscribed.

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$subscriber_data = $this->get_subscriber( $args['email'] );

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$subscriber_lists = self::$_->array_get( $subscriber_data, 'lists', array() );

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$subscriber_list = self::$_->array_get( $subscriber_lists, $args['list_id'], false );

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if ( $subscriber_list ) {

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return 'success';

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}

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$list_id_key = 'p[' . $args['list_id'] . ']';

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$status_key = 'status[' . $args['list_id'] . ']';

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$responders_key = 'instantresponders[' . $args['list_id'] . ']';

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$list_id = $args['list_id'];

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$args = $this->transform_data_to_provider_format( $args, 'subscriber', array( 'list_id' ) );

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$args = $this->_process_custom_fields( $args );

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$query_args = array(

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'api_key' => $this->data['api_key'],

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'api_action' => 'contact_sync',

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'api_output' => 'json',

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);

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$url = esc_url_raw( add_query_arg( $query_args, $this->_get_requests_url() ) );

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$args[ $list_id_key ] = $list_id;

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$args[ $status_key ] = 1;

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$args[ $responders_key ] = 1;

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if ( ! empty( $this->data['form_id'] ) ) {

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$args['form'] = (int) $this->data['form_id'];

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}

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$this->prepare_request( $url, 'POST', false, $args );

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$this->request->HEADERS['Content-Type'] = 'application/x-www-form-urlencoded';

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return parent::subscribe( $args, $url );

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}

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}

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