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<?php
/**
* Email Notification
*
* This class handles all email notification settings.
*
* @package Give
* @subpackage Classes/Emails
* @copyright Copyright (c) 2016, GiveWP
* @license https://opensource.org/licenses/gpl-license GNU Public License
* @since 2.0
*/
/**
* Class Give_Email_Notifications
*/
class Give_Email_Notifications {
/**
* Instance.
*
* @since 2.0
* @access static
* @var
*/
static private $instance;
/**
* Array of email notifications.
*
* @since 2.0
* @access private
* @var array
*/
private $emails = array();
/**
* Singleton pattern.
*
* @since 2.0
* @access private
* Give_Email_Notifications constructor.
*/
private function __construct() {
}
/**
* Get instance.
*
* @since 2.0
* @access static
* @return static
*/
static function get_instance() {
if ( null === static::$instance ) {
self::$instance = new static();
}
return self::$instance;
}
/**
* Setup dependencies
*
* @since 2.0
*/
public function init() {
// Load files.
require_once GIVE_PLUGIN_DIR . 'includes/admin/emails/ajax-handler.php';
require_once GIVE_PLUGIN_DIR . 'includes/admin/emails/class-email-setting-field.php';
require_once GIVE_PLUGIN_DIR . 'includes/admin/emails/filters.php';
// Load email notifications.
$this->add_emails_notifications();
add_filter( 'give_metabox_form_data_settings', array( $this, 'add_metabox_setting_fields' ), 10, 2 );
add_action( 'init', array( $this, 'preview_email' ) );
add_action( 'init', array( $this, 'send_preview_email' ) );
add_action( 'admin_init', array( $this, 'validate_settings' ) );
/* @var Give_Email_Notification $email */
foreach ( $this->get_email_notifications() as $email ) {
// Setup email section.
if( Give_Email_Notification_Util::is_show_on_emails_setting_page( $email ) ) {
add_filter( 'give_get_sections_emails', array( $email, 'add_section' ) );
add_filter( "give_hide_section_{$email->config['id']}_on_emails_page", array( $email, 'hide_section' ) );
}
// Setup email preview.
if ( Give_Email_Notification_Util::is_email_preview_has_header( $email ) ) {
add_action( "give_{$email->config['id']}_email_preview", array( $this, 'email_preview_header' ) );
add_filter( "give_{$email->config['id']}_email_preview_data", array( $this, 'email_preview_data' ) );
add_filter( "give_{$email->config['id']}_email_preview_message", array( $this, 'email_preview_message' ), 1, 2 );
}
}
}
/**
* Add setting to metabox.
*
* @since 2.0
* @access public
*
* @param array $settings
* @param int $post_id
*
* @return array
*/
public function add_metabox_setting_fields( $settings, $post_id ) {
$emails = $this->get_email_notifications();
// Bailout.
if ( empty( $emails ) ) {
return $settings;
}
// Email notification setting.
$settings['email_notification_options'] = array(
'id' => 'email_notification_options',
'title' => __( 'Email Notifications', 'give' ),
'icon-html' => '<span class="dashicons dashicons-email-alt"></span>',
'fields' => array(
array(
'name' => __( 'Email Options', 'give' ),
'id' => '_give_email_options',
'type' => 'radio_inline',
'default' => 'global',
'options' => array(
'global' => __( 'Global Options' ),
'enabled' => __( 'Customize', 'give' ),
),
),
array(
'id' => '_give_email_template',
'name' => esc_html__( 'Email Template', 'give' ),
'desc' => esc_html__( 'Choose your template from the available registered template types.', 'give' ),
'type' => 'select',
'default' => 'default',
'options' => give_get_email_templates(),
),
array(
'id' => '_give_email_logo',
'name' => esc_html__( 'Logo', 'give' ),
'desc' => esc_html__( 'Upload or choose a logo to be displayed at the top of the donation receipt emails. Displayed on HTML emails only.', 'give' ),
'type' => 'file',
),
array(
'id' => '_give_from_name',
'name' => esc_html__( 'From Name', 'give' ),
'desc' => esc_html__( 'The name which appears in the "From" field in all GiveWP donation emails.', 'give' ),
'default' => get_bloginfo( 'name' ),
'type' => 'text',
),
array(
'id' => '_give_from_email',
'name' => esc_html__( 'From Email', 'give' ),
'desc' => esc_html__( 'Email address from which all GiveWP emails are sent from. This will act as the "from" and "reply-to" email address.', 'give' ),
'default' => get_bloginfo( 'admin_email' ),
'type' => 'text',
),
array(
'name' => 'email_notification_docs',
'type' => 'docs_link',
'url' => 'http://docs.givewp.com/email-notification',
'title' => __( 'Email Notification', 'give' ),
),
),
/**
* Filter the email notification settings.
*
* @since 2.0
*/
'sub-fields' => apply_filters( 'give_email_notification_options_metabox_fields', array(), $post_id ),
);
return $settings;
}
/**
* Add email notifications
*
* @since 2.0
* @access private
*/
private function add_emails_notifications() {
$this->emails = array(
include GIVE_PLUGIN_DIR . 'includes/admin/emails/class-new-donation-email.php',
include GIVE_PLUGIN_DIR . 'includes/admin/emails/class-donation-receipt-email.php',
include GIVE_PLUGIN_DIR . 'includes/admin/emails/class-new-offline-donation-email.php',
include GIVE_PLUGIN_DIR . 'includes/admin/emails/class-offline-donation-instruction-email.php',
include GIVE_PLUGIN_DIR . 'includes/admin/emails/class-new-donor-register-email.php',
include GIVE_PLUGIN_DIR . 'includes/admin/emails/class-donor-register-email.php',
include GIVE_PLUGIN_DIR . 'includes/admin/emails/class-donor-note-email.php',
include GIVE_PLUGIN_DIR . 'includes/admin/emails/class-email-access-email.php',
);
/**
* Filter the email notifications.
*
* @since 2.0
*/
$this->emails = apply_filters( 'give_email_notifications', $this->emails, $this );
// Bailout.
if ( empty( $this->emails ) ) {
return;
}
// Initiate email notifications.
foreach ( $this->emails as $email ) {
$email->init();
}
}
/**
* Get list of email notifications.
*
* @since 2.0
* @access public
* @return array
*/
public function get_email_notifications() {
return $this->emails;
}
/**
* Displays the email preview
*
* @since 2.0
* @access public
* @return bool|null
*/
public function preview_email() {
// Bailout.
if ( ! Give_Email_Notification_Util::can_preview_email() ) {
return false;
}
// Security check.
give_validate_nonce( $_GET['_wpnonce'], 'give-preview-email' );
// Get email type.
$email_type = isset( $_GET['email_type'] ) ? esc_attr( $_GET['email_type'] ) : '';
/* @var Give_Email_Notification $email */
foreach ( $this->get_email_notifications() as $email ) {
if ( $email_type !== $email->config['id'] ) {
continue;
}
// Set form id.
$form_id = empty( $_GET['form_id'] ) ? null : absint( $_GET['form_id'] );
// Call setup email data to apply filter and other thing to email.
$email->send_preview_email( false );
// Decode message.
$email_message = $email->preview_email_template_tags( $email->get_email_message( $form_id ) );
// Show formatted text in browser even text/plain content type set for an email.
Give()->emails->html = true;
Give()->emails->form_id = $form_id;
if ( 'text/plain' === $email->config['content_type'] ) {
// Give()->emails->__set( 'html', false );
Give()->emails->__set( 'template', 'none' );
}
if ( $email_message = Give()->emails->build_email( $email_message ) ) {
/**
* Filter the email preview data
*
* @since 2.0
*
* @param array
*/
$email_preview_data = apply_filters( "give_{$email_type}_email_preview_data", array() );
/**
* Fire the give_{$email_type}_email_preview action
*
* @since 2.0
*/
do_action( "give_{$email_type}_email_preview", $email );
/**
* Filter the email message
*
* @since 2.0
*
* @param string $email_message
* @param array $email_preview_data
* @param Give_Email_Notification $email
*/
echo apply_filters( "give_{$email_type}_email_preview_message", $email_message, $email_preview_data, $email );
exit();
}
}// End foreach().
}
/**
* Add header to donation receipt email preview
*
* @since 2.0
* @access public
*
* @param Give_Email_Notification $email
*/
public function email_preview_header( $email ) {
/**
* Filter the all email preview headers.
*
* @since 2.0
*
* @param Give_Email_Notification $email
*/
$email_preview_header = apply_filters( 'give_email_preview_header', give_get_preview_email_header(), $email );
echo $email_preview_header;
}
/**
* Add email preview data
*
* @since 2.0
* @access public
*
* @param array $email_preview_data
*
* @return array
*/
public function email_preview_data( $email_preview_data ) {
$email_preview_data['payment_id'] = absint( give_check_variable( give_clean( $_GET ), 'isset', 0, 'preview_id' ) );
$email_preview_data['user_id'] = absint( give_check_variable( give_clean( $_GET ), 'isset', 0, 'user_id' ) );
return $email_preview_data;
}
/**
* Replace email template tags.
*
* @since 2.0
* @access public
*
* @param string $email_message
* @param array $email_preview_data
*
* @return string
*/
public function email_preview_message( $email_message, $email_preview_data ) {
if (
! empty( $email_preview_data['payment_id'] )
|| ! empty( $email_preview_data['user_id'] )
) {
$email_message = give_do_email_tags( $email_message, $email_preview_data );
}
return $email_message;
}
/**
* Displays the email preview
*
* @since 2.0
* @access public
* @return bool|null
*/
public function send_preview_email() {
// Bailout.
if ( ! Give_Email_Notification_Util::can_send_preview_email() ) {
return false;
}
// Security check.
give_validate_nonce( $_GET['_wpnonce'], 'give-send-preview-email' );
// Get email type.
$email_type = give_check_variable( give_clean( $_GET ), 'isset', '', 'email_type' );
/* @var Give_Email_Notification $email */
foreach ( $this->get_email_notifications() as $email ) {
if ( $email_type === $email->config['id'] && Give_Email_Notification_Util::is_email_preview( $email ) ) {
$email->send_preview_email();
break;
}
}
// Remove the test email query arg.
wp_redirect( remove_query_arg( 'give_action' ) );
exit;
}
/**
* Load Give_Email_Notifications
*
* @since 2.0
* @access public
*/
public function load() {
add_action( 'init', array( $this, 'init' ), -1 );
}
/**
* Verify email setting before saving
*
* @since 2.0
* @access public
*/
public function validate_settings() {
// Bailout.
if (
! Give_Admin_Settings::is_saving_settings() ||
'emails' !== give_get_current_setting_tab() ||
! isset( $_GET['section'] )
) {
return;
}
// Get email type.
$email_type = give_get_current_setting_section();
if ( ! empty( $_POST["{$email_type}_recipient"] ) ) {
$_POST["{$email_type}_recipient"] = array_unique( array_filter( $_POST["{$email_type}_recipient"] ) );
}
}
}
// Helper class.
require_once GIVE_PLUGIN_DIR . 'includes/admin/emails/abstract-email-notification.php';
require_once GIVE_PLUGIN_DIR . 'includes/admin/emails/class-email-notification-util.php';
// Add backward compatibility.
require_once GIVE_PLUGIN_DIR . 'includes/admin/emails/backward-compatibility.php';
/**
* Initialize functionality.
*/
Give_Email_Notifications::get_instance()->load();