<?php
defined('ABSPATH') || exit;
class NewsletterEmailsAdmin extends NewsletterModuleAdmin {
static $instance;
var $themes;
/**
* @return NewsletterEmailsAdmin
*/
static function instance() {
if (self::$instance == null) {
self::$instance = new self();
}
return self::$instance;
}
function __construct() {
parent::__construct('emails');
$this->themes = new NewsletterThemes('emails');
// Thank you to plugins that add the WP editor on other admin plugin pages...
if (isset($_GET['page']) && $_GET['page'] == 'newsletter_emails_edit') {
global $wp_actions;
$wp_actions['wp_enqueue_editor'] = 1;
}
}
function wp_loaded() {
if (defined('DOING_AJAX') && DOING_AJAX && $this->is_allowed()) {
add_action('wp_ajax_tnpc_options', array($this, 'ajax_tnpc_options'));
add_action('wp_ajax_tnpc_get_all_presets', array($this, 'ajax_get_all_presets'));
add_action('wp_ajax_tnpc_get_preset', array($this, 'ajax_get_preset'));
add_action('wp_ajax_tnpc_render', array($this, 'ajax_tnpc_render'));
add_action('wp_ajax_tnpc_test', array($this, 'ajax_tnpc_test'));
add_action('wp_ajax_tnpc_preview', array($this, 'ajax_tnpc_preview'));
add_action('wp_ajax_tnpc_css', array($this, 'ajax_tnpc_css'));
add_action('wp_ajax_tnpc_regenerate_email', array($this, 'ajax_tnpc_regenerate_email'));
add_action('wp_ajax_tnpc_block_form', array($this, 'ajax_tnpc_block_form'));
}
}
function admin_menu() {
//$this->add_menu_page('index', 'Newsletters');
$this->add_admin_page('list', 'Email List');
$this->add_admin_page('new', 'Email New');
$this->add_admin_page('edit', 'Email Edit');
$this->add_admin_page('theme', 'Email Themes');
$this->add_admin_page('composer', 'The Composer');
$this->add_admin_page('editorhtml', 'HTML Editor');
$this->add_admin_page('editortinymce', 'TinyMCE Editor');
$this->add_admin_page('presets', 'Presets');
$this->add_admin_page('presets-edit', 'Presets');
$this->add_admin_page('settings', 'Settings');
$this->add_admin_page('automated', 'Automated');
$this->add_admin_page('autoresponder', 'Autoresponder');
}
/** Returns the correct admin page to edit the newsletter with the correct editor. */
function get_editor_url($email_id, $editor_type) {
switch ($editor_type) {
case NewsletterEmails::EDITOR_COMPOSER:
return '?page=newsletter_emails_composer&id=' . urlencode($email_id);
case NewsletterEmails::EDITOR_HTML:
return '?page=newsletter_emails_editorhtml&id=' . urlencode($email_id);
case NewsletterEmails::EDITOR_TINYMCE:
return '?page=newsletter_emails_editortinymce&id=' . urlencode($email_id);
}
}
function get_edit_button($email, $only_icon = true) {
$editor_type = $this->get_editor_type($email);
if ($email->status === TNP_Email::STATUS_DRAFT) {
$edit_url = $this->get_editor_url($email->id, $editor_type);
} else {
$edit_url = '?page=newsletter_emails_edit&id=' . urlencode($email->id);
}
$icon_class = 'edit';
if ($only_icon) {
return '<a class="button-primary tnpc-button" href="' . $edit_url . '" title="' . esc_attr__('Edit', 'newsletter') . '">' .
'<i class="fas fa-' . $icon_class . '"></i></a>';
} else {
return '<a class="button-primary tnpc-button" href="' . $edit_url . '" title="' . esc_attr__('Edit', 'newsletter') . '">' .
'<i class="fas fa-' . $icon_class . '"></i> ' . __('Edit', 'newsletter') . '</a>';
}
}
/** Returns the correct editor type for the provided newsletter. Contains backward compatibility code. */
function get_editor_type($email) {
$email = (object) $email;
$editor_type = $email->editor;
// Backward compatibility
$email_options = maybe_unserialize($email->options);
if (isset($email_options['composer'])) {
$editor_type = NewsletterEmails::EDITOR_COMPOSER;
}
// End backward compatibility
return $editor_type;
}
function ajax_tnpc_test() {
check_admin_referer('save');
if (!$this->is_allowed()) {
wp_send_json_error('Not allowed', 403);
}
if (!class_exists('NewsletterControls')) {
include NEWSLETTER_INCLUDES_DIR . '/controls.php';
}
$controls = new NewsletterControls();
$email = new TNP_Email();
NewsletterComposer::update_email($email, $controls);
if (isset($_POST['to_email'])) {
$message = $this->send_test_newsletter_to_email_address($email, $controls->data['test_email']);
echo $message;
} else {
$this->send_test_email($email, $controls);
if ($controls->messages) {
echo $controls->messages;
} else {
echo $controls->errors;
}
}
die();
}
/**
* Builds the HTML of a block configuration form.
*
* @param array $block
* @return string
*/
function get_block_form($block) {
require_once NEWSLETTER_INCLUDES_DIR . '/controls.php';
$encoded_options = wp_unslash($_REQUEST['options']);
$options = NewsletterComposer::options_decode($encoded_options);
$defaults_file = $block['dir'] . '/defaults.php';
if (file_exists($defaults_file)) {
include $defaults_file;
}
if (!isset($defaults) || !is_array($defaults)) {
$defaults = [];
}
$options = array_merge($defaults, $options);
$composer = wp_unslash($_POST['composer'] ?? []);
if (empty($composer['width'])) {
$composer['width'] = 600;
}
$context = ['type' => sanitize_key($_REQUEST['context_type'] ?? '')];
// Used by the options.php script
$controls = new NewsletterControls($options);
$fields = new NewsletterFields($controls);
ob_start();
$controls->init(['nested' => true]); // To avoid conflict with master form...
echo '<input type="hidden" name="action" value="tnpc_render">';
echo '<input type="hidden" name="id" value="' . esc_attr($block['id']) . '">';
echo '<input type="hidden" name="context_type" value="' . esc_attr($context['type']) . '">';
wp_nonce_field('save');
$inline_edits = '';
if (isset($controls->data['inline_edits'])) {
$inline_edits = $controls->data['inline_edits'];
}
echo '<input type="hidden" name="options[inline_edits]" value="', esc_attr(NewsletterComposer::options_encode($inline_edits)), '">';
include $block['dir'] . '/options.php';
$html = ob_get_clean();
return $html;
}
/**
* Used by Composer 3
*/
function ajax_tnpc_block_form() {
$block_id = sanitize_key($_REQUEST['id']);
$block = NewsletterComposer::instance()->get_block($block_id);
if (!$block) {
die('Block not found with id ' . $block_id);
}
$data = ['form' => $this->get_block_form($block), 'title' => $block['name']];
header('Content-Type: application/json;charset=UTF-8');
echo wp_json_encode($data);
die();
}
/**
* Loads the options.php file of a block and outputs the generated form.
*
* @global wpdb $wpdb
*/
function ajax_tnpc_options() {
global $wpdb;
$block_id = sanitize_key($_REQUEST['id']);
$block = NewsletterComposer::instance()->get_block($block_id);
if (!$block) {
die('Block not found with id ' . $block_id);
}
require_once NEWSLETTER_INCLUDES_DIR . '/controls.php';
$encoded_options = wp_unslash($_REQUEST['options']);
$options = NewsletterComposer::options_decode($encoded_options);
$defaults_file = $block['dir'] . '/defaults.php';
if (file_exists($defaults_file)) {
include $defaults_file;
}
if (!isset($defaults) || !is_array($defaults)) {
$defaults = [];
}
$options = array_merge($defaults, $options);
$composer = wp_unslash($_POST['composer'] ?? []);
if (empty($composer['width'])) {
$composer['width'] = 600;
}
$context = ['type' => sanitize_key($_REQUEST['context_type'] ?? '')];
// Used by the options.php script
$controls = new NewsletterControls($options);
$fields = new NewsletterFields($controls);
$controls->init(['nested' => true]); // To avoid conflict with master form...
echo '<input type="hidden" name="action" value="tnpc_render">';
echo '<input type="hidden" name="id" value="' . esc_attr($block_id) . '">';
echo '<input type="hidden" name="context_type" value="' . esc_attr($context['type']) . '">';
wp_nonce_field('save');
$inline_edits = '';
if (isset($controls->data['inline_edits'])) {
$inline_edits = $controls->data['inline_edits'];
}
echo '<input type="hidden" name="options[inline_edits]" value="', esc_attr(NewsletterComposer::options_encode($inline_edits)), '">';
echo "<h3>", esc_html($block["name"]), "</h3>";
include $block['dir'] . '/options.php';
wp_die();
}
/**
* Retrieves the presets list (no id in GET) or a specific preset id in GET)
*/
function ajax_get_all_presets() {
wp_send_json_success($this->get_all_preset());
}
function ajax_get_preset() {
$id = sanitize_key($_REQUEST['id']);
$email = null;
// If it is an email id, get it from the database and fall back to the
// static templates if not found (maybe a template folder has been created
// just using a number...). I don't like this.
if (is_numeric($id)) {
$email = $this->get_email($id);
if ($email) {
NewsletterComposer::instance()->regenerate($email);
}
}
if (!$email) {
$email = NewsletterComposer::instance()->build_email_from_template($id);
}
if (is_wp_error($email)) {
wp_send_json_error($email);
}
// Send back and keep only the blocks' HTML
wp_send_json_success([
'content' => TNP_Composer::unwrap_html_element($email->message),
'globalOptions' => NewsletterComposer::extract_composer_options($email),
'subject' => $email->subject
]);
}
function ajax_tnpc_preview() {
$email = $this->get_email((int) $_REQUEST['id']);
echo $email->message;
die();
}
function ajax_tnpc_css() {
include NEWSLETTER_DIR . '/emails/tnp-composer/css/newsletter.css';
wp_die();
}
/**
* Ajax call to render a block with a new set of options after the settings popup
* has been saved.
*
* @param type $block_id
* @param type $wrapper
*/
function ajax_tnpc_render() {
if (!check_ajax_referer('save')) {
wp_die('Invalid nonce', 403);
}
$block_id = sanitize_key($_POST['id']);
$wrapper = isset($_POST['full']);
$options = $this->restore_options_from_request();
$composer = wp_unslash($_POST['composer'] ?? []);
NewsletterComposer::instance()->render_block($block_id, $wrapper, $options, [], $composer);
die();
}
function restore_options_from_request() {
require_once NEWSLETTER_INCLUDES_DIR . '/controls.php';
$controls = new NewsletterControls();
$options = $controls->data;
if (isset($_POST['options']) && is_array($_POST['options'])) {
// Get all block options
//$options = stripslashes_deep($_POST['options']);
// Deserialize inline edits when
// render is preformed on saving block options
if (isset($options['inline_edits']) && !is_array($options['inline_edits'])) {
$options['inline_edits'] = NewsletterComposer::options_decode($options['inline_edits']);
}
// Restore inline edits from data-json
// coming from inline editing
// and merge with current inline edit
if (isset($_POST['encoded_options'])) {
$decoded_options = NewsletterComposer::options_decode($_POST['encoded_options']);
$to_merge_inline_edits = [];
if (isset($decoded_options['inline_edits'])) {
foreach ($decoded_options['inline_edits'] as $decoded_inline_edit) {
$to_merge_inline_edits[$decoded_inline_edit['post_id'] . $decoded_inline_edit['type']] = $decoded_inline_edit;
}
}
//Overwrite with new edited content
if (isset($options['inline_edits'])) {
foreach ($options['inline_edits'] as $inline_edit) {
$to_merge_inline_edits[$inline_edit['post_id'] . $inline_edit['type']] = $inline_edit;
}
}
$options['inline_edits'] = array_values($to_merge_inline_edits);
$options = array_merge($decoded_options, $options);
}
return $options;
}
return [];
}
function ajax_tnpc_regenerate_email() {
if (!check_ajax_referer('save')) {
wp_die('Invalid nonce', 403);
}
$content = stripslashes($_POST['content']);
$content = urldecode(base64_decode($content));
$composer = stripslashes_deep($_POST['composer']);
$result = NewsletterComposer::instance()->regenerate_blocks($content, [], $composer);
wp_send_json_success([
'content' => $result['content'],
'message' => __('Successfully updated', 'newsletter')
]);
}
private function is_normal_context_request() {
return empty($_REQUEST['context_type']);
}
/**
* Generated the HTML with the preset lists for the modal used in the composer to create a new
* email.
*
* TODO: move out as modal to be included, it's simpler
*
* @return string The presets selection HTML
*/
function get_all_preset() {
$content = "<div class='tnpc-preset-container'>";
if ($this->is_normal_context_request()) {
$content .= "<div class='tnpc-preset-legacy-themes'><a href='" . $this->get_admin_page_url('theme') . "'>" . __('Looking for legacy themes?', 'newsletter') . "</a></div>";
}
// LOAD USER PRESETS
$user_preset_list = $this->get_emails(NewsletterEmails::PRESET_EMAIL_TYPE);
if ($user_preset_list) {
$content .= '<h3>Custom templates</h3>';
$content .= '<div class="tnpc-preset-block">';
foreach ($user_preset_list as $user_preset) {
$default_icon_url = plugins_url('newsletter') . "/emails/presets/default-icon.png?ver=2";
$preset_name = $user_preset->subject;
// esc_js() assumes the string will be in single quote (arghhh!!!)
$onclick_load = 'tnpc_load_preset(' . ((int) $user_preset->id) . ', \'' . esc_js($preset_name) . '\', event)';
$content .= "<div class='tnpc-preset' onclick='" . esc_attr($onclick_load) . "'>\n";
$content .= "<img src='$default_icon_url' title='" . esc_attr($preset_name) . "' alt='" . esc_attr($preset_name) . "'>\n";
$content .= "<span class='tnpc-preset-label'>" . esc_html($user_preset->subject) . "</span>\n";
$content .= "</div>";
}
$content .= '</div>';
}
$content .= '<h3>Standard templates</h3>';
$content .= '<div class="tnpc-preset-block">';
$templates = NewsletterComposer::instance()->get_templates();
foreach ($templates as $template) {
$type = $template->type ?? '';
if ($type === 'activation' || $type === 'welcome') {
continue;
}
$content .= '<div class="tnpc-preset tnpc-preset2" onclick="tnpc_load_preset(\'' . esc_attr($template->id) . '\')">';
$content .= '<img src="' . esc_attr($template->icon) . '" title="' . esc_attr($template->name) . '" alt="' . esc_attr($template->name) . '">';
$content .= '<span class="tnpc-preset-label">' . esc_html($template->name) . '</span>';
$content .= '</div>';
}
if ($this->is_normal_context_request()) {
$content .= $this->get_automated_spot_element();
$content .= $this->get_autoresponder_spot_element();
$content .= $this->get_raw_html_preset_element();
}
$content .= '</div>';
$content .= '<h3>Welcome and activation templates</h3>';
$content .= '<div class="tnpc-preset-block">';
foreach ($templates as $template) {
$type = $template->type ?? '';
if ($type !== 'confirmation' && $type !== 'welcome') {
continue;
}
$content .= '<div class="tnpc-preset tnpc-preset2" onclick="tnpc_load_preset(\'' . esc_attr($template->id) . '\')">';
$content .= '<img src="' . esc_attr($template->icon) . '" title="' . esc_attr($template->name) . '" alt="' . esc_attr($template->name) . '">';
$content .= '<span class="tnpc-preset-label">' . esc_html($template->name) . '</span>';
$content .= '</div>';
}
$content .= '</div>';
$content .= '</div>';
return $content;
}
private function get_automated_spot_element() {
$result = "<div class='tnpc-preset'>";
if (class_exists('NewsletterAutomated')) {
$result .= "<a href='?page=newsletter_automated_index'>";
} else {
$result .= "<a href='https://www.thenewsletterplugin.com/automated?utm_source=composer&utm_campaign=plugin&utm_medium=automated'>";
}
$result .= "<img src='" . plugins_url('newsletter') . "/emails/images/automated.png' title='Automated addon' alt='Automated'/>";
$result .= "<span class='tnpc-preset-label'>Daily, weekly and monthly newsletters</span></a>";
$result .= "</div>";
return $result;
}
private function get_autoresponder_spot_element() {
$result = "<div class='tnpc-preset'>";
if (class_exists('NewsletterAutoresponder')) {
$result .= "<a href='?page=newsletter_autoresponder_index'>";
} else {
$result .= "<a href='https://www.thenewsletterplugin.com/autoresponder?utm_source=composer&utm_campaign=plugin&utm_medium=autoresponder' target='_blank'>";
}
$result .= "<img src='" . plugins_url('newsletter') . "/emails/images/autoresponder.png' title='Autoresponder addon' alt='Autoresponder'/>";
$result .= "<span class='tnpc-preset-label'>Autoresponders</span></a>";
$result .= "</div>";
return $result;
}
private function get_raw_html_preset_element() {
$result = "<div class='tnpc-preset tnpc-preset-html' onclick='location.href=\"" . wp_nonce_url('admin.php?page=newsletter_emails_new&id=rawhtml', 'newsletter-new') . "\"'>";
$result .= "<img src='" . plugins_url('newsletter') . "/emails/images/rawhtml.png' title='RAW HTML' alt='RAW'/>";
$result .= "<span class='tnpc-preset-label'>Raw HTML</span>";
$result .= "</div>";
$result .= "<div class='clear'></div>";
$result .= "</div>";
return $result;
}
private function set_test_subject_to($email) {
if ($email->subject == '') {
$email->subject = 'Dummy subject, it was empty (remember to set it)';
}
if (!defined('NEWSLETTER_TEST_SUBJECT_POSTFIX')) {
define('NEWSLETTER_TEST_SUBJECT_POSTFIX', ' [PREVIEW]');
}
$email->subject = $email->subject . NEWSLETTER_TEST_SUBJECT_POSTFIX;
}
private function make_dummy_subscriber() {
$dummy_user = new TNP_User();
$dummy_user->id = 0;
$dummy_user->email = 'john.doe@example.org';
$dummy_user->name = 'John';
$dummy_user->surname = 'Doe';
$dummy_user->sex = 'n';
$dummy_user->language = '';
$dummy_user->ip = '';
for ($i = 1; $i <= NEWSLETTER_PROFILE_MAX; $i++) {
$profile_key = "profile_$i";
$dummy_user->$profile_key = 'Dummy profile ' . $i;
}
return $dummy_user;
}
/**
* Send an email to the test subscribers.
*
* @param TNP_Email $email Could be any object with the TNP_Email attributes
* @param NewsletterControls $controls
*/
function send_test_email($email, $controls) {
if (!$email) {
$controls->errors = __('Newsletter should be saved before send a test', 'newsletter');
return;
}
$original_subject = $email->subject;
$this->set_test_subject_to($email);
$users = NewsletterUsersAdmin::instance()->get_test_users();
if (count($users) == 0) {
$controls->errors = '' . __('There are no test subscribers to send to', 'newsletter') .
'. <a href="https://www.thenewsletterplugin.com/plugins/newsletter/subscribers-module#test" target="_blank"><strong>' .
__('Read more', 'newsletter') . '</strong></a>.';
} else {
$r = Newsletter::instance()->send($email, $users, true);
$emails = [];
foreach ($users as $user) {
$emails[] = '<a href="admin.php?page=newsletter_users_edit&id=' . $user->id . '" target="_blank">' . $user->email . '</a>';
}
if (is_wp_error($r)) {
$controls->errors = 'Something went wrong. Check the error logs on status page.<br>';
$controls->errors .= __('Test subscribers:', 'newsletter');
$controls->errors .= ' ' . implode(', ', $emails);
$controls->errors .= '<br>';
$controls->errors .= '<strong>' . esc_html($r->get_error_message()) . '</strong><br>';
$controls->errors .= '<a href="https://www.thenewsletterplugin.com/documentation/email-sending-issues" target="_blank"><strong>' . __('Read more about delivery issues', 'newsletter') . '</strong></a>.';
} else {
$controls->messages = __('Test sent to:', 'newsletter');
//$controls->messages .= __('Test subscribers:', 'newsletter');
$controls->messages .= ' ' . implode(', ', $emails);
$controls->messages .= '.<br>';
$controls->messages .= 'If the message does not shows up on the mailbox, check the spam folder and run a test from the '
. '<a href="?page=newsletter_system_delivery" target="_blank"><strong>System/Delivery panel</strong></a>.<br>';
$controls->messages .= '<a href="https://www.thenewsletterplugin.com/documentation/subscribers#test" target="_blank"><strong>' .
__('Read more about test subscribers', 'newsletter') . '</strong></a>.<br>';
$controls->messages .= '<a href="https://www.thenewsletterplugin.com/documentation/email-sending-issues" target="_blank"><strong>' . __('Read more about delivery issues', 'newsletter') . '</strong></a>.';
}
}
$email->subject = $original_subject;
}
/**
* Send an email to the test subscribers.
*
* @param TNP_Email $email Could be any object with the TNP_Email attributes
* @param string $email_address
*
* @throws Exception
*/
function send_test_newsletter_to_email_address($email, $email_address) {
if (!$email) {
throw new Exception(__('Newsletter should be saved before send a test', 'newsletter'));
}
$this->set_test_subject_to($email);
$dummy_subscriber = $this->get_user($email_address);
if (!$dummy_subscriber) {
$dummy_subscriber = $this->get_dummy_user();
$dummy_subscriber->email = $email_address;
}
$result = Newsletter::instance()->send($email, [$dummy_subscriber], true);
if (is_wp_error($result)) {
$error_message = 'Something went wrong. Check the error logs on the System/Logs page.<br>';
$error_message .= '<br>';
$error_message .= '<strong>' . esc_html($result->get_error_message()) . '</strong><br>';
$error_message .= '<a href="https://www.thenewsletterplugin.com/documentation/email-sending-issues" target="_blank"><' . __('Read more about delivery issues', 'newsletter') . '</a>.';
throw new Exception($error_message);
}
$messages = __('Test sent to:', 'newsletter');
$messages .= ' ' . esc_html($email_address);
$messages .= '.<br>';
$messages .= 'If the message does not shows up on the mailbox, check the spam folder and run a test from the '
. '<a href="?page=newsletter_system_delivery" target="_blank"><strong>System/Delivery panel</strong></a>.<br>';
$messages .= '<a href="https://www.thenewsletterplugin.com/documentation/email-sending-issues" target="_blank">' . __('Read more about delivery issues', 'newsletter') . '</a>.';
return $messages;
}
}
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