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divi/core/components/api/email/Provider.php
2021-12-07 11:08:05 +00:00

427 lines
11 KiB
PHP

<?php
/**
* High-level wrapper for interacting with the external API's offered by 3rd-party mailing list providers.
*
* @since 1.1.0
*
* @package ET\Core\API
*/
abstract class ET_Core_API_Email_Provider extends ET_Core_API_Service {
/**
* The URL from which custom fields for a list on this account can be retrieved.
*
* @var string
*/
public $FIELDS_URL;
/**
* The URL from which groups/tags for a list on this account can be retrieved.
*
* @var string
*/
public $GROUPS_URL;
/**
* The number of records to return from API (per request).
*
* @var int
*/
public $COUNT;
/**
* The URL from which subscriber lists for this account can be retrieved.
*
* @var string
*/
public $LISTS_URL;
/**
* The URL to which new subscribers can be posted.
*
* @var string
*/
public $SUBSCRIBE_URL;
/**
* The URL from which subscribers for this account can be retrieved.
*
* @var string
*/
public $SUBSCRIBERS_URL;
/**
* "Subscribed via..." translated string.
*
* @var string
*/
public $SUBSCRIBED_VIA;
/**
* Type of support for custom fields offered by provider.
*
* @since 3.17.2
*
* @var bool|string Accepts `dynamic`, `predefined`, `false`. Default `predefined`.
*/
public $custom_fields = 'predefined';
/**
* Type of support for custom fields offered by provider.
*
* @since 3.17.2
*
* @var string Accepts `list`, `account`.
*/
public $custom_fields_scope = 'list';
/**
* Whether or not only a single name field is supported instead of first/last name fields.
*
* @var string
*/
public $name_field_only = false;
/**
* ET_Core_API_Email_Provider constructor.
*
* @inheritDoc
*/
public function __construct( $owner = '', $account_name = '', $api_key = '' ) {
$this->service_type = 'email';
parent::__construct( $owner, $account_name, $api_key );
if ( 'builder' === $this->owner ) {
$owner = 'Divi Builder';
} else {
$owner = ucfirst( $this->owner );
}
$this->SUBSCRIBED_VIA = sprintf( '%1$s %2$s.', esc_html__( 'Subscribed via', 'et_core' ), $owner );
/**
* Filters the max number of results returned from email API provider per request.
*
* @since 3.17.2
*
* @param int $max_results_count
*/
$this->COUNT = apply_filters( 'et_core_api_email_max_results_count', 250 );
}
/**
* Get custom fields for a subscriber list.
*
* @param int|string $list_id
* @param array $list
*
* @return array
*/
protected function _fetch_custom_fields( $list_id = '', $list = array() ) {
if ( 'dynamic' === $this->custom_fields ) {
return array();
}
if ( null === $this->request || $this->request->COMPLETE ) {
$this->prepare_request( $this->FIELDS_URL );
}
$this->make_remote_request();
$result = array();
if ( false !== $this->response_data_key && empty( $this->response_data_key ) ) {
// Let child class handle parsing the response data themselves.
return $result;
}
if ( $this->response->ERROR ) {
et_debug( $this->get_error_message() );
return $result;
}
if ( false === $this->response_data_key ) {
// The data returned by the service is not nested.
$data = $this->response->DATA;
} else {
// The data returned by the service is nested under a single key.
$data = $this->response->DATA[ $this->response_data_key ];
}
foreach ( $data as &$custom_field ) {
$custom_field = $this->transform_data_to_our_format( $custom_field, 'custom_field' );
}
$fields = array();
$field_types = self::$_->array_get( $this->data_keys, 'custom_field_type' );
foreach ( $data as $field ) {
$field_id = $field['field_id'];
$type = self::$_->array_get( $field, 'type', 'any' );
if ( $field_types && ! isset( $field_types[ $type ] ) ) {
// Unsupported field type. Make it 'text' instead.
$type = 'text';
}
if ( isset( $field['hidden'] ) && is_string( $field['hidden'] ) ) {
$field['hidden'] = 'false' === $field['hidden'] ? false : true;
}
$field['type'] = self::$_->array_get( $this->data_keys, "custom_field_type.{$type}", 'any' );
$fields[ $field_id ] = $field;
}
return $fields;
}
/**
* @inheritDoc
*/
protected function _get_data() {
$options = parent::_get_data();
// return empty array in case of empty name
if ( '' === $this->account_name || ! is_string( $this->account_name ) ) {
return array();
}
$provider = sanitize_text_field( $this->slug );
$account = sanitize_text_field( $this->account_name );
if ( ! isset( $options['accounts'][ $provider ][ $account ] ) ) {
$options['accounts'][ $provider ][ $account ] = array();
update_option( "et_core_api_email_options", $options );
}
return $options['accounts'][ $provider ][ $account ];
}
protected function _process_custom_fields( $args ) {
return $args;
}
/**
* Processes subscriber lists data from the provider's API and returns only the data we're interested in.
*
* @since 1.1.0
*
* @param array $lists Subscriber lists data to process.
*
* @return array
*/
protected function _process_subscriber_lists( $lists ) {
$id_key = $this->data_keys['list']['list_id'];
$result = array();
foreach ( (array) $lists as $list ) {
if ( ! is_array( $list ) ) {
$list = (array) $list;
}
if ( ! isset( $list[ $id_key ] ) ) {
continue;
}
$id = $list[ $id_key ];
$result[ $id ] = $this->transform_data_to_our_format( $list, 'list' );
if ( ! array_key_exists( 'subscribers_count', $result[ $id ] ) ) {
$result[ $id ]['subscribers_count'] = 0;
}
$get_custom_fields = $this->custom_fields && 'list' === $this->custom_fields_scope;
if ( $get_custom_fields && $custom_fields = $this->_fetch_custom_fields( $id, $list ) ) {
$result[ $id ]['custom_fields'] = $custom_fields;
}
}
return $result;
}
/**
* Returns whether or not an account exists in the database.
*
* @param string $provider
* @param string $account_name
*
* @return bool
*/
public static function account_exists( $provider, $account_name ) {
$all_accounts = self::get_accounts();
return isset( $all_accounts[ $provider ][ $account_name ] );
}
/**
* @inheritDoc
*/
public function delete() {
self::remove_account( $this->slug, $this->account_name );
$this->account_name = '';
$this->_get_data();
}
/**
* Retrieves the email accounts data from the database.
*
* @return array
*/
public static function get_accounts() {
$options = (array) get_option( 'et_core_api_email_options' );
return isset( $options['accounts'] ) ? $options['accounts'] : array();
}
/**
* @inheritDoc
*/
public function get_data_keymap( $keymap = array() ) {
return $keymap;
}
/**
* Retrieves the subscriber lists for the account assigned to the current instance.
*
* @return string 'success' if successful, an error message otherwise.
*/
public function fetch_subscriber_lists() {
if ( null === $this->request || $this->request->COMPLETE ) {
$this->prepare_request( $this->LISTS_URL );
}
$this->make_remote_request();
$result = 'success';
if ( false !== $this->response_data_key && empty( $this->response_data_key ) ) {
// Let child class handle parsing the response data themselves.
return '';
}
if ( $this->response->ERROR ) {
return $this->get_error_message();
}
if ( false === $this->response_data_key ) {
// The data returned by the service is not nested.
$data = $this->response->DATA;
} else {
// The data returned by the service is nested under a single key.
$data = $this->response->DATA[ $this->response_data_key ];
}
if ( ! empty( $data ) ) {
$this->data['lists'] = $this->_process_subscriber_lists( $data );
$this->data['is_authorized'] = true;
$list = is_array( $data ) ? array_shift( $data ) : array();
if ( $this->custom_fields && 'account' === $this->custom_fields_scope ) {
$this->data['custom_fields'] = $this->_fetch_custom_fields( '', $list );
}
$this->save_data();
}
return $result;
}
/**
* Remove an account
*
* @param $provider
* @param $account_name
*/
public static function remove_account( $provider, $account_name ) {
$options = (array) get_option( 'et_core_api_email_options' );
unset( $options['accounts'][ $provider ][ $account_name ] );
update_option( 'et_core_api_email_options', $options );
}
/**
* @inheritDoc
*/
public function save_data() {
self::update_account( $this->slug, $this->account_name, $this->data );
}
/**
* @inheritDoc
*/
public function set_account_name( $name ) {
$this->account_name = $name;
$this->data = $this->_get_data();
}
/**
* Makes an HTTP POST request to add a subscriber to a list.
*
* @param string[] $args Data for the POST request.
* @param string $url The URL for the POST request. Optional when called on child classes.
*
* @return string 'success' if successful, an error message otherwise.
*/
public function subscribe( $args, $url = '' ) {
if ( null === $this->request || $this->request->COMPLETE ) {
if ( ! in_array( 'ip_address', $args ) || 'true' === $args['ip_address'] ) {
$args['ip_address'] = et_core_get_ip_address();
} else if ( 'false' === $args['ip_address'] ) {
$args['ip_address'] = '0.0.0.0';
}
$args = $this->transform_data_to_provider_format( $args, 'subscriber' );
if ( $this->custom_fields ) {
$args = $this->_process_custom_fields( $args );
}
$this->prepare_request( $url, 'POST', false, $args );
} else if ( $this->request->JSON_BODY && ! is_string( $this->request->BODY ) && ! $this->uses_oauth ) {
$this->request->BODY = json_encode( $this->request->BODY );
} else if ( is_array( $this->request->BODY ) ) {
$this->request->BODY = array_merge( $this->request->BODY, $args );
} else if ( ! $this->request->JSON_BODY ) {
$this->request->BODY = $args;
}
$this->make_remote_request();
return $this->response->ERROR ? $this->get_error_message() : 'success';
}
/**
* Updates the data for a provider account.
*
* @param string $provider The provider's slug.
* @param string $account The account name.
* @param array $data The new data for the account.
*/
public static function update_account( $provider, $account, $data ) {
$options = (array) get_option( 'et_core_api_email_options' );
$existing_data = array();
if ( empty( $account ) || empty( $provider ) ) {
return;
}
$provider = sanitize_text_field( $provider );
$account = sanitize_text_field( $account );
if ( isset( $options['accounts'][ $provider ][ $account ] ) ) {
$existing_data = $options['accounts'][ $provider ][ $account ];
}
$options['accounts'][ $provider ][ $account ] = array_merge( $existing_data, $data );
update_option( 'et_core_api_email_options', $options );
}
}