__( 'MailerLite Classic', 'advanced-form-integration' ),
'tasks' => array(
'subscribe' => __( 'Subscribe To Group', 'advanced-form-integration' )
)
);
return $actions;
}
add_filter( 'adfoin_settings_tabs', 'adfoin_mailerlite_settings_tab', 10, 1 );
function adfoin_mailerlite_settings_tab( $providers ) {
$providers['mailerlite'] = __( 'MailerLite Classic', 'advanced-form-integration' );
return $providers;
}
add_action( 'adfoin_settings_view', 'adfoin_mailerlite_settings_view', 10, 1 );
function adfoin_mailerlite_settings_view( $current_tab ) {
if( $current_tab != 'mailerlite' ) {
return;
}
if ( ! class_exists( 'ADFOIN_Account_Manager' ) ) {
require_once plugin_dir_path( __FILE__ ) . '../../includes/class-adfoin-account-manager.php';
}
$fields = array(
array(
'name' => 'apiKey',
'label' => __( 'MailerLite API Key', 'advanced-form-integration' ),
'type' => 'text',
'required' => true,
'mask' => true,
'placeholder' => __( 'Enter API Key', 'advanced-form-integration' ),
'show_in_table' => true,
),
);
$instructions = sprintf(
'- %s
- %s
- %s
',
__( 'Navigate to Integrations > Developer API.', 'advanced-form-integration' ),
__( 'Copy your API key.', 'advanced-form-integration' ),
__( 'Paste it below and save.', 'advanced-form-integration' )
);
ADFOIN_Account_Manager::render_settings_view( 'mailerlite', __( 'MailerLite Classic', 'advanced-form-integration' ), $fields, $instructions );
}
add_action( 'wp_ajax_adfoin_get_mailerlite_credentials', 'adfoin_get_mailerlite_credentials', 10, 0 );
function adfoin_get_mailerlite_credentials() {
if ( ! class_exists( 'ADFOIN_Account_Manager' ) ) {
require_once plugin_dir_path( __FILE__ ) . '../../includes/class-adfoin-account-manager.php';
}
ADFOIN_Account_Manager::ajax_get_credentials_list( 'mailerlite' );
}
add_action( 'wp_ajax_adfoin_save_mailerlite_credentials', 'adfoin_save_mailerlite_credentials', 10, 0 );
function adfoin_save_mailerlite_credentials() {
if ( ! class_exists( 'ADFOIN_Account_Manager' ) ) {
require_once plugin_dir_path( __FILE__ ) . '../../includes/class-adfoin-account-manager.php';
}
ADFOIN_Account_Manager::ajax_save_credentials( 'mailerlite', array( 'apiKey' ) );
}
// Legacy single-account import: surfaces old `adfoin_mailerlite_*` options
// as a Legacy Account record when the new credentials store is empty.
add_action( 'plugins_loaded', function() {
if ( class_exists( 'ADFOIN_Account_Manager' ) ) {
ADFOIN_Account_Manager::register_legacy_option_importer( 'mailerlite', array(
'apiKey' => 'adfoin_mailerlite_api_key',
) );
}
}, 20 );
add_action( 'adfoin_add_js_fields', 'adfoin_mailerlite_js_fields', 10, 1 );
function adfoin_mailerlite_js_fields( $field_data ) { }
add_action( 'adfoin_action_fields', 'adfoin_mailerlite_action_fields' );
function adfoin_mailerlite_action_fields() {
?>
100 groups aren't truncated, and surface the
// failure reason instead of a silent empty dropdown.
$lists = array();
$offset = 0;
do {
$data = adfoin_mailerlite_request( "groups?limit=100&offset={$offset}", 'GET', array(), array(), $cred_id );
if( is_wp_error( $data ) ) {
wp_send_json_error( $data->get_error_message() );
}
$code = (int) wp_remote_retrieve_response_code( $data );
if( 200 !== $code ) {
wp_send_json_error( adfoin_mailerlite_error_message( $data, $code ) );
}
$body = json_decode( wp_remote_retrieve_body( $data ), true );
$batch = is_array( $body ) ? $body : array();
foreach( $batch as $group ) {
if( isset( $group['id'], $group['name'] ) ) {
$lists[ $group['id'] ] = $group['name'];
}
}
$offset += 100;
} while( count( $batch ) === 100 && $offset <= 5000 );
wp_send_json_success( $lists );
}
add_action( 'adfoin_mailerlite_job_queue', 'adfoin_mailerlite_job_queue', 10, 1 );
function adfoin_mailerlite_job_queue( $data ) {
adfoin_mailerlite_send_data( $data['record'], $data['posted_data'] );
}
/*
* Handles sending data to MailerLite API
*/
function adfoin_mailerlite_send_data( $record, $posted_data ) {
$record_data = json_decode( $record["data"], true );
if ( adfoin_check_conditional_logic( $record_data['action_data']['cl'] ?? array(), $posted_data ) ) {
return;
}
$data = $record_data["field_data"];
$list_id = isset( $data["listId"] ) ? $data["listId"] : '';
$task = $record["task"];
$doubleoption = isset( $data["doubleoptin"] ) && $data["doubleoptin"] ? $data["doubleoptin"] : "";
$cred_id = isset( $data['credId'] ) ? $data['credId'] : '';
if ( empty( $cred_id ) ) {
$creds = adfoin_read_credentials( 'mailerlite' );
if ( ! empty( $creds ) ) {
$cred_id = $creds[0]['id'];
}
}
if( $task == "subscribe" ) {
$email = empty( $data["email"] ) ? "" : adfoin_get_parsed_values($data["email"], $posted_data);
$name = empty( $data["name"] ) ? "" : adfoin_get_parsed_values($data["name"], $posted_data);
unset( $data['credId'] );
$subscriber_data = array(
"email" => $email,
"name" => $name
);
if( "true" == $doubleoption ) {
adfoin_mailerlite_request( 'settings/double_optin', 'POST', array( 'enable' => true ), $record, $cred_id );
}
$endpoint = $list_id ? "groups/{$list_id}/subscribers" : 'subscribers';
$return = adfoin_mailerlite_request( $endpoint, 'POST', $subscriber_data, $record, $cred_id );
}
}
/**
* MailerLite Classic request helper
*/
function adfoin_mailerlite_request( $endpoint, $method = 'GET', $data = array(), $record = array(), $cred_id = '' ) {
$credentials = adfoin_get_credentials_by_id( 'mailerlite', $cred_id );
$api_key = isset( $credentials['apiKey'] ) ? $credentials['apiKey'] : '';
if ( ! $api_key ) {
$api_key = get_option( 'adfoin_mailerlite_api_key' );
}
if ( ! $api_key ) {
return new WP_Error( 'missing_api_key', __( 'MailerLite API key not found', 'advanced-form-integration' ) );
}
// HTTPS — plain http:// can drop the X-MailerLite-ApiKey header on the
// redirect to https, causing silent auth failures (empty dropdowns / no
// subscriber added).
$base_url = 'https://api.mailerlite.com/api/v2/';
$url = $base_url . $endpoint;
$args = array(
'timeout' => 30,
'method' => $method,
'headers' => array(
'Content-Type' => 'application/json',
'X-MailerLite-ApiKey' => $api_key
)
);
if ( in_array( $method, array( 'POST', 'PUT', 'PATCH' ), true ) ) {
$args['body'] = wp_json_encode( $data );
}
$response = wp_remote_request( $url, $args );
// Back off once on rate limiting (HTTP 429) instead of failing outright.
if ( 429 === (int) wp_remote_retrieve_response_code( $response ) ) {
$retry_after = wp_remote_retrieve_header( $response, 'retry-after' );
$wait = is_numeric( $retry_after ) ? max( 1, min( (int) $retry_after, 30 ) ) : 2;
sleep( $wait );
$response = wp_remote_request( $url, $args );
}
if ( $record ) {
adfoin_add_to_log( $response, $url, $args, $record );
}
return $response;
}
/*
* Readable message from a classic MailerLite error response so the groups
* dropdown can explain WHY it failed (e.g. invalid key) instead of going blank.
*/
function adfoin_mailerlite_error_message( $response, $code = 0 ) {
if ( is_wp_error( $response ) ) {
return $response->get_error_message();
}
$body = json_decode( wp_remote_retrieve_body( $response ), true );
$msg = '';
if ( is_array( $body ) ) {
if ( isset( $body['error']['message'] ) ) {
$msg = $body['error']['message'];
} elseif ( ! empty( $body['message'] ) ) {
$msg = $body['message'];
}
}
if ( 401 === (int) $code ) {
$msg = trim( $msg . ' ' . __( 'Check your MailerLite API key in Settings.', 'advanced-form-integration' ) );
}
if ( '' === $msg && $code ) {
$msg = sprintf( __( 'MailerLite API returned HTTP %d.', 'advanced-form-integration' ), $code );
}
return $msg ? $msg : __( 'Could not load data from MailerLite.', 'advanced-form-integration' );
}