public function send(&$instance)
{
$params = $instance->form_params;
if (isset($_POST['avia_generated_form' . $params['avia_formID']])) {
$form_suffix = '_' . $params['avia_formID'];
$suffix_length = strlen($form_suffix) * -1;
$merge_fields = array();
$post_data = array();
$mail = "";
$status = !empty($params['double_opt_in']) ? "pending" : "subscribed";
// subscribed // pending
foreach ($_POST as $key => $value) {
$key = substr($key, 0, $suffix_length);
$key = str_replace('avia_', '', $key);
if (isset($_POST['ajax_mailchimp'])) {
$value = urldecode($value);
}
$post_data[$key] = $value;
}
//make sure that the username is not filled in, otherwise a bot has sent the form. if so simply fake the send event
if (!empty($post_data['username'])) {
return true;
}
//iterate over form fields to generate the merge field data
if (empty($this->fields)) {
$all_fields = get_option('av_chimplist_field');
$this->fields = $all_fields[$params['mailchimp']];
}
foreach ($this->fields as $field) {
$value = !empty($post_data[$field->merge_id]) ? $post_data[$field->merge_id] : false;
if ($value !== false) {
if ($field->merge_id != 0) {
$merge_fields[$field->tag] = $value;
} else {
$mail = $value;
}
}
}
$data_to_send = array('email_address' => $mail, 'status' => $status);
if (!empty($merge_fields)) {
$data_to_send['merge_fields'] = $merge_fields;
}
$data_to_send = apply_filters('avf_mailchimp_subscriber_data', $data_to_send, $this);
$api = new av_mailchimp_api($this->api_key);
$this->add_user = $api->post('lists/' . $params['mailchimp'] . '/members', $data_to_send);
//user was successfully added
if (isset($this->add_user->id)) {
return true;
}
//if we got no id the user was not added which means we got an error.
$error_key = "general";
if ($this->add_user->title == "Invalid Resource") {
$error_key = 'all';
if (strpos($this->add_user->detail, 'email') !== false) {
$error_key = 'email';
}
if (strpos($this->add_user->detail, 'merge fields') !== false) {
$error_key = 'invalid_field';
}
}
if ($this->add_user->title == "Member Exists") {
$error_key = 'already';
}
$instance->error_msg = "<div class='avia-mailchimp-ajax-error av-form-error-container'>" . $api->message($error_key) . "</div>";
add_action('wp_footer', array($this, 'print_js_error'), 2, 100000);
}
return false;
}
