<?php
/**
* Email Manager
*
* Handles processes related to Emails.
*
* @package WP_Ultimo
* @subpackage Managers/Email_Manager
* @since 2.0.0
*/
namespace WP_Ultimo\Managers;
use WP_Ultimo\Dependencies\Psr\Log\LogLevel;
use \WP_Ultimo\Managers\Base_Manager;
use \WP_Ultimo\Models\Email;
use \WP_Ultimo\Helpers\Sender;
use \WP_Ultimo\Models\Base_Model;
// Exit if accessed directly
defined('ABSPATH') || exit;
/**
* Handles processes related to emails.
*
* @since 2.0.0
*/
class Email_Manager extends Base_Manager {
use \WP_Ultimo\Apis\Rest_Api, \WP_Ultimo\Apis\WP_CLI, \WP_Ultimo\Traits\Singleton;
/**
* The manager slug.
*
* @since 2.0.0
* @var string
*/
protected $slug = 'email';
/**
* The model class associated to this manager.
*
* @since 2.0.0
* @var string
*/
protected $model_class = '\\WP_Ultimo\\Models\\Email';
/**
* All default system emails and their original content.
*
* @since 2.0.0
* @var array
*/
protected $registered_default_system_emails;
/**
* Instantiate the necessary hooks.
*
* @since 2.0.0
* @return void
*/
public function init() {
$this->enable_rest_api();
$this->enable_wp_cli();
add_action('init', function () {
$this->register_all_default_system_emails();
});
/*
* Adds the Email fields
*/
add_action('wu_settings_emails', array($this, 'add_email_fields'));
add_action('wu_event', array($this, 'send_system_email'), 10, 2);
/*
* Registering a callback action to a schedule send.
*/
add_action('wu_send_schedule_system_email', array($this, 'send_schedule_system_email'), 10, 5);
/*
* Create a log when a mail send fails.
*/
add_action('wp_mail_failed', array($this, 'log_mailer_failure'));
add_action('wp_ajax_wu_get_event_payload_placeholders', array($this, 'get_event_placeholders'));
} // end init;
/**
* Send the email related to the current event.
*
* @param string $slug Slug of the event.
* @param array $payload Payload of the event.
* @return void.
*/
public function send_system_email($slug, $payload) {
$all_emails = wu_get_emails(array(
'event' => $slug,
));
$original_from = array(
'name' => wu_get_setting('from_name'),
'email' => wu_get_setting('from_email'),
);
/*
* Loop through all the emails registered.
*/
foreach ($all_emails as $email) {
if ($email->get_custom_sender()) {
$from = array(
'name' => $email->get_custom_sender_name(),
'email' => $email->get_custom_sender_email(),
);
} else {
$from = $original_from;
} // end if;
/*
* Compiles the target list.
*/
$to = $email->get_target_list($payload);
if (empty($to)) {
wu_log_add('mailer', __('No targets found.', 'wp-ultimo'));
return;
} // end if;
$args = array(
'style' => $email->get_style(),
'content' => $email->get_content(),
'subject' => get_network_option(null, 'site_name') . ' - ' . $email->get_title(),
'payload' => $payload,
);
/*
* Add the invoice attachment, if need be.
*/
if (wu_get_isset($payload, 'payment_invoice_url') && wu_get_setting('attach_invoice_pdf', true)) {
$file_name = 'invoice-' . $payload['payment_reference_code'] . '.pdf';
$this->attach_file_by_url($payload['payment_invoice_url'], $file_name, $args['subject']);
} // end if;
$when_to_send = $email->get_when_to_send();
if ($when_to_send) {
$args['schedule'] = $when_to_send;
} // end if;
Sender::send_mail($from, $to, $args);
} // end foreach;
} // end send_system_email;
/**
* Attach a file by a URL
*
* @since 2.0.0
*
* @param string $file_url The URL of the file to attach.
* @param string $file_name The name to save the file with.
* @param string $email_subject The email subject, to avoid attaching a file to the wrong email.
* @return void
*/
public function attach_file_by_url($file_url, $file_name, $email_subject = '') {
add_action('phpmailer_init', function($mail) use ($file_url, $file_name, $email_subject) {
if ($email_subject && $mail->Subject !== $email_subject) { // phpcs:ignore
return;
} // end if;
$response = wp_remote_get($file_url, array(
'timeout' => 50,
));
if (is_wp_error($response)) {
return;
} // end if;
$file = wp_remote_retrieve_body($response);
/*
* Use the default PHPMailer APIs to attach the file.
*/
$mail->addStringAttachment($file, $file_name);
});
} // end attach_file_by_url;
/**
* Add all email fields.
*
* @since 2.0.0
* @return void
*/
public function add_email_fields() {
wu_register_settings_field('emails', 'sender_header', array(
'title' => __('Sender Settings', 'wp-ultimo'),
'desc' => __('Change the settings of the email headers, like from and name.', 'wp-ultimo'),
'type' => 'header',
));
wu_register_settings_field('emails', 'from_name', array(
'title' => __('"From" Name', 'wp-ultimo'),
'desc' => __('How the sender name will appear in emails sent by WP Multisite WaaS.', 'wp-ultimo'),
'type' => 'text',
'placeholder' => get_network_option(null, 'site_name'),
'default' => get_network_option(null, 'site_name'),
'html_attr' => array(
'v-model' => 'from_name',
),
));
wu_register_settings_field('emails', 'from_email', array(
'title' => __('"From" E-mail', 'wp-ultimo'),
'desc' => __('How the sender email will appear in emails sent by WP Multisite WaaS.', 'wp-ultimo'),
'type' => 'email',
'placeholder' => get_network_option(null, 'admin_email'),
'default' => get_network_option(null, 'admin_email'),
'html_attr' => array(
'v-model' => 'from_email',
),
));
wu_register_settings_field('emails', 'template_header', array(
'title' => __('Template Settings', 'wp-ultimo'),
'desc' => __('Change the settings of the email templates.', 'wp-ultimo'),
'type' => 'header',
));
wu_register_settings_field('emails', 'email_template_type', array(
'title' => __('Email Templates Style', 'wp-ultimo'),
'desc' => __('Choose if email body will be sent using the HTML template or in plain text.', 'wp-ultimo'),
'type' => 'select',
'default' => 'html',
'options' => array(
'html' => __('HTML Emails', 'wp-ultimo'),
'plain' => __('Plain Emails', 'wp-ultimo'),
),
'html_attr' => array(
'v-model' => 'emails_template',
),
));
wu_register_settings_field('emails', 'expiring_header', array(
'title' => __('Expiring Notification Settings', 'wp-ultimo'),
'desc' => __('Change the settings for the expiring notification (trials and subscriptions) emails.', 'wp-ultimo'),
'type' => 'header',
));
wu_register_settings_field('emails', 'expiring_days', array(
'title' => __('Days to Expire', 'wp-ultimo'),
'desc' => __('Select when we should send the notification email. If you select 3 days, for example, a notification email will be sent to every membership (or trial period) expiring in the next 3 days. Memberships are checked hourly.', 'wp-ultimo'),
'type' => 'number',
'placeholder' => __('e.g. 3', 'wp-ultimo'),
'html_attr' => array(
'v-model' => 'expiring_days',
),
));
} // end add_email_fields;
/**
* Register in the global variable all the default system emails.
*
* @since 2.0.0
*
* @param array $args System email params.
* @return void.
*/
public function register_default_system_email($args) {
$this->registered_default_system_emails[$args['slug']] = $args;
} // end register_default_system_email;
/**
* Create a system email.
*
* @since 2.0.0
*
* @param array $args with the system email details to register.
* @return bool
*/
public function create_system_email($args) {
if ($this->is_created($args['slug'])) {
return;
} // end if;
$email_args = wp_parse_args($args, array(
'event' => '',
'title' => '',
'content' => '',
'slug' => '',
'target' => 'admin',
'style' => 'use_default',
'send_copy_to_admin' => true,
'active' => true,
'legacy' => false,
'date_registered' => wu_get_current_time('mysql', true),
'date_modified' => wu_get_current_time('mysql', true),
'status' => 'publish'
));
$email = new Email($email_args);
$saved = $email->save();
return is_wp_error($saved) ? $saved : $email;
} // end create_system_email;
/**
* Register all default system emails.
*
* @since 2.0.0
*
* @return void
*/
public function create_all_system_emails() {
$system_emails = wu_get_default_system_emails();
foreach ($system_emails as $email_key => $email_value) {
$this->create_system_email($email_value);
} // end foreach;
} // end create_all_system_emails;
/**
* Register all default system emails.
*
* @since 2.0.0
*
* @return void
*/
public function register_all_default_system_emails() {
/*
* Payment Successful - Admin
*/
$this->register_default_system_email(array(
'event' => 'payment_received',
'slug' => 'payment_received_admin',
'target' => 'admin',
'title' => __('You got a new payment!', 'wp-ultimo'),
'content' => wu_get_template_contents('emails/admin/payment-received'),
));
/*
* Payment Successful - Customer
*/
$this->register_default_system_email(array(
'event' => 'payment_received',
'slug' => 'payment_received_customer',
'target' => 'customer',
'title' => __('We got your payment!', 'wp-ultimo'),
'content' => wu_get_template_contents('emails/customer/payment-received'),
));
/*
* Site Published - Admin
*/
$this->register_default_system_email(array(
'event' => 'site_published',
'target' => 'admin',
'slug' => 'site_published_admin',
'title' => __('A new site was created on your Network!', 'wp-ultimo'),
'content' => wu_get_template_contents('emails/admin/site-published'),
));
/*
* Site Published - Customer
*/
$this->register_default_system_email(array(
'event' => 'site_published',
'target' => 'customer',
'slug' => 'site_published_customer',
'title' => __('Your site is ready!', 'wp-ultimo'),
'content' => wu_get_template_contents('emails/customer/site-published'),
));
/*
* Site Published - Customer
*/
$this->register_default_system_email(array(
'event' => 'confirm_email_address',
'target' => 'customer',
'slug' => 'confirm_email_address',
'title' => __('Confirm your email address!', 'wp-ultimo'),
'content' => wu_get_template_contents('emails/customer/confirm-email-address'),
));
/*
* Domain Created - Admin
*/
$this->register_default_system_email(array(
'event' => 'domain_created',
'target' => 'admin',
'slug' => 'domain_created_admin',
'title' => __('A new domain was added to your Network!', 'wp-ultimo'),
'content' => wu_get_template_contents('emails/admin/domain-created'),
));
/*
* Pending Renewal Payment Created - Customer
*/
$this->register_default_system_email(array(
'event' => 'renewal_payment_created',
'target' => 'customer',
'slug' => 'renewal_payment_created',
'title' => __('You have a new pending payment!', 'wp-ultimo'),
'content' => wu_get_template_contents('emails/customer/renewal-payment-created'),
));
do_action('wu_system_emails_after_register');
} // end register_all_default_system_emails;
/**
* Get a single or all default registered system emails.
*
* @since 2.0.0
*
* @param string $slug Default system email slug.
* @return array All default system emails.
*/
public function get_default_system_emails($slug = '') {
if ($slug && isset($this->registered_default_system_emails[$slug])) {
return $this->registered_default_system_emails[$slug];
} // end if;
return $this->registered_default_system_emails;
} // end get_default_system_emails;
/**
* Check if the system email already exists.
*
* @param mixed $slug Email slug to use as reference.
* @return bool Return email object or false.
*/
public function is_created($slug): bool {
return (bool) wu_get_email_by('slug', $slug);
} // end is_created;
/**
* Get the default template email.
*
* @since 2.0.0
*
* @param string $slug With the event slug.
* @return array With the email template.
*/
public function get_event_placeholders($slug = '') {
$placeholders = array();
if (wu_request('email_event')) {
$slug = wu_request('email_event');
} // end if;
if ($slug) {
$event = wu_get_event_type($slug);
if ($event) {
foreach (wu_maybe_lazy_load_payload($event['payload']) as $placeholder => $value) {
$name = ucwords(str_replace('_', ' ', $placeholder));
$placeholders[] = array(
'name' => $name,
'placeholder' => $placeholder
);
} // end foreach;
} // end if;
} // end if;
if (wu_request('email_event')) {
wp_send_json($placeholders);
} else {
return $placeholders;
} // end if;
} // end get_event_placeholders;
/**
* Sends a schedule email.
*
* @since 2.0.0
*
* @param array $to Email targets.
* @param string $subject Email subject.
* @param string $template Email content.
* @param array $headers Email headers.
* @param array $attachments Email attachments.
* @return mixed
*/
public function send_schedule_system_email($to, $subject, $template, $headers, $attachments) {
return Sender::send_mail($to, $subject, $template, $headers, $attachments);
} // end send_schedule_system_email;
/**
* Log failures on the WordPress mailer, just so we have a copy of the issues for debugging.
*
* @since 2.0.0
*
* @param \WP_Error $error The error with the mailer.
* @return void.
*/
public function log_mailer_failure($error) {
if (is_wp_error($error)) {
wu_log_add('mailer-errors', $error->get_error_message(), LogLevel::ERROR);
} // end if;
} // end log_mailer_failure;
} // end class Email_Manager;