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<?php

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/**

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* Wrapper for SalesForce'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_SalesForce extends ET_Core_API_Email_Provider {

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/**

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* @inheritDoc

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public $ACCESS_TOKEN_URL = 'https://login.salesforce.com/services/oauth2/token';

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/**

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* @inheritDoc

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public $AUTHORIZATION_URL = 'https://login.salesforce.com/services/oauth2/authorize';

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/**

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* @inheritDoc

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public $BASE_URL = '';

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/**

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* @inheritDoc

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public $custom_fields_scope = 'account';

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/**

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* @inheritDoc

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public $name = 'SalesForce';

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/**

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* @inheritDoc

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public $slug = 'salesforce';

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/**

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* @inheritDoc

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public $oauth_version = '2.0';

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/**

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* @inheritDoc

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public $uses_oauth = true;

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/**

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* ET_Core_API_SalesForce constructor.

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* @inheritDoc

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public function __construct( $owner, $account_name = '' ) {

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parent::__construct( $owner, $account_name );

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$this->REDIRECT_URL = admin_url( 'admin.php?page=et_bloom_options', 'https' );

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$this->_set_base_url();

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}

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

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static $fields = null;

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$this->response_data_key = 'fields';

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$this->prepare_request( "{$this->BASE_URL}/services/data/v39.0/sobjects/Lead/describe" );

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if ( is_null( $fields ) ) {

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$fields = parent::_fetch_custom_fields( $list_id, $list );

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foreach ( $fields as $index => $field ) {

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if ( ! $field['custom'] ) {

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unset( $fields[ $index ] );

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}

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}

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}

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return $fields;

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}

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/**

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* @return string

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protected function _fetch_subscriber_lists() {

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$query = urlencode( 'SELECT Id, Name, NumberOfLeads from Campaign LIMIT 100' );

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$url = "{$this->BASE_URL}/services/data/v39.0/query?q={$query}";

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$this->response_data_key = 'records';

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$this->prepare_request( $url );

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return parent::fetch_subscriber_lists();

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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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} else {

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$value = array_pop( $value );

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}

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}

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self::$_->array_set( $args, "custom_fields.{$field_id}", $value );

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}

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return $args;

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}

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public function _set_base_url() {

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$this->BASE_URL = empty( $this->data['login_url'] ) ? '' : $this->data['login_url'];

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}

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public function authenticate() {

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$this->data['consumer_secret'] = $this->data['client_secret'];

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$this->data['consumer_key'] = $this->data['api_key'];

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return parent::authenticate();

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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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// SalesForce supports OAuth for SSL websites so generate different fields in this case

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'login_url' => array(

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

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'required' => 'https',

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'show_if' => array( 'function.protocol' => 'https' ),

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'api_key' => array(

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

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'required' => 'https',

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'show_if' => array( 'function.protocol' => 'https' ),

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'client_secret' => array(

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'label' => esc_html__( 'Consumer Secret', 'et_core' ),

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'required' => 'https',

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'show_if' => array( 'function.protocol' => 'https' ),

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// This has to be the last field because is the only one shown in both cases and

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// CANCEL / SUBMIT buttons will be attached to it.

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'organization_id' => array(

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

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'required' => 'http',

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);

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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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$this->_set_base_url();

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// SalesForce supports 2 types of authentication: Simple and OAuth2

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if ( isset( $this->data['api_key'] ) && isset( $this->data['client_secret'] ) ) {

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// OAuth2

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return $this->is_authenticated() ? $this->_fetch_subscriber_lists() : $this->authenticate();

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} else if ( isset( $this->data['organization_id'] ) && '' !== $this->data['organization_id'] ) {

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// Simple

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

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$this->data['lists'] = array( array( 'list_id' => 0, 'name' => 'WebToLead', 'subscribers_count' => 0 ) );

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$this->save_data();

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// return 'success' immediately in case of simple authentication. Lists cannot be retrieved with this type.

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return 'success';

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} else {

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return esc_html__( 'Organization ID cannot be empty', 'et_core' );

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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' => 'NumberOfLeads',

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'subscriber' => array(

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'name' => 'FirstName',

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'last_name' => 'LastName',

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'email' => 'Email',

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'custom_fields' => 'custom_fields',

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'custom_field' => array(

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'field_id' => 'name',

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'name' => 'label',

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'type' => 'type',

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'options' => 'valueSet',

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'custom_field_type' => array(

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// Us => Them

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'input' => 'Text',

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'textarea' => 'TextArea',

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'checkbox' => 'MultiselectPicklist',

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'select' => 'Picklist',

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// Them => Us

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'Text' => 'input',

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'TextArea' => 'textarea',

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'MultiselectPicklist' => 'checkbox',

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'Picklist' => 'select',

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);

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return parent::get_data_keymap( $keymap );

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}

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public function get_subscriber( $email ) {

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$query = urlencode( "SELECT Id from Lead where Email='{$email}' LIMIT 100" );

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$url = "{$this->BASE_URL}/services/data/v39.0/query?q={$query}";

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$this->response_data_key = 'records';

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$this->prepare_request( $url );

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$this->make_remote_request();

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$response = $this->response;

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if ( $response->ERROR || empty( $response->DATA['records'] ) ) {

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return false;

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}

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return isset( $response->DATA['records'][0]['Id'] ) ? $response->DATA['records'][0]['Id'] : false;

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

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// Try to use simple web form

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return $this->subscribe_salesforce_web( $args );

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}

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$error_message = esc_html__( 'An error occurred. Please try again.', 'et_core' );

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

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if ( ! $subscriber_id ) {

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$url = "{$this->BASE_URL}/services/data/v39.0/sobjects/Lead";

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

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

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$content = array_merge( $content, $content['custom_fields'] );

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$content['Company'] = 'Bloom';

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unset( $content['custom_fields'] );

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$this->prepare_request( $url, 'POST', false, json_encode( $content ), true );

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$this->response_data_key = false;

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$result = parent::subscribe( $content, $url );

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if ( 'success' !== $result || empty( $this->response->DATA['id'] ) ) {

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return $error_message;

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}

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$subscriber_id = $this->response->DATA['id'];

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}

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$url = "{$this->BASE_URL}/services/data/v39.0/sobjects/CampaignMember";

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$content = array(

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'LeadId' => $subscriber_id,

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'CampaignId' => $args['list_id'],

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);

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$this->prepare_request( $url, 'POST', false, json_encode( $content ), true );

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$result = parent::subscribe( $content, $url );

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if ( 'success' !== $result && ! empty( $this->response->DATA['errors'] ) ) {

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return $this->response->DATA['errors'][0];

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} else if ( 'success' !== $result ) {

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return $error_message;

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}

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return 'success';

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}

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/**

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* Post web-to-lead request to SalesForce

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* @return string

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public function subscribe_salesforce_web( $args ) {

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if ( ! isset( $this->data['organization_id'] ) || '' === $this->data['organization_id'] ) {

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return esc_html__( 'Unknown Organization ID', 'et_core' );

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}

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// Define SalesForce web-to-lead endpoint

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$url = "https://www.salesforce.com/servlet/servlet.WebToLead?encoding=UTF-8";

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

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

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// Prepare arguments for web-to-lead POST

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$form_args = array(

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'body' => array(

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'oid' => sanitize_text_field( $this->data['organization_id'] ),

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'retURL' => esc_url( home_url( '/' ) ),

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'email' => sanitize_email( $args['email'] ),

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);

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if ( '' !== $args['name'] ) {

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$form_args['body']['first_name'] = sanitize_text_field( $args['name'] );

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}

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if ( '' !== $args['last_name'] ) {

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$form_args['body']['last_name'] = sanitize_text_field( $args['last_name'] );

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}

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

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$form_args = array_merge( $form_args, $args['custom_fields'] );

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}

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// Post to SalesForce web-to-lead endpoint

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$post = wp_remote_post( $url, $form_args );

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if ( ! is_wp_error( $post ) ) {

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return 'success';

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}

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return esc_html__( 'An error occurred. Please try again.', 'et_core' );

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}

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}

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