<?php
/**
* Class MC4WP_Forms_Admin
*
* @ignore
* @access private
*/
class MC4WP_Forms_Admin
{
/**
* @var MC4WP_Admin_Messages
*/
protected $messages;
/**
* @param MC4WP_Admin_Messages $messages
*/
public function __construct(MC4WP_Admin_Messages $messages)
{
$this->messages = $messages;
}
/**
* Add hooks
*/
public function add_hooks()
{
add_action('register_shortcode_ui', array( $this, 'register_shortcake_ui' ));
add_action('mc4wp_save_form', array( $this, 'update_form_stylesheets' ));
add_action('mc4wp_admin_edit_form', array( $this, 'process_save_form' ));
add_action('mc4wp_admin_add_form', array( $this, 'process_add_form' ));
add_filter('mc4wp_admin_menu_items', array( $this, 'add_menu_item' ), 5);
add_action('mc4wp_admin_show_forms_page-edit-form', array( $this, 'show_edit_page' ));
add_action('mc4wp_admin_show_forms_page-add-form', array( $this, 'show_add_page' ));
add_action('mc4wp_admin_enqueue_assets', array( $this, 'enqueue_assets' ), 10, 2);
add_action('enqueue_block_editor_assets', array( $this, 'enqueue_gutenberg_assets' ));
}
public function enqueue_gutenberg_assets()
{
wp_enqueue_script('mc4wp-form-block', mc4wp_plugin_url('assets/js/forms-block.js'), array( 'wp-blocks', 'wp-i18n', 'wp-element', 'wp-components' ));
$forms = mc4wp_get_forms();
$data = array();
foreach ($forms as $form) {
$data[] = array(
'name' => $form->name,
'id' => $form->ID,
);
}
wp_localize_script('mc4wp-form-block', 'mc4wp_forms', $data);
}
/**
* @param string $suffix
* @param string $page
*/
public function enqueue_assets($suffix, $page = '')
{
if ($page !== 'forms' || empty($_GET['view']) || $_GET['view'] !== 'edit-form') {
return;
}
wp_register_script('mc4wp-forms-admin', mc4wp_plugin_url('assets/js/forms-admin.js'), array( 'mc4wp-admin' ), MC4WP_VERSION, true);
wp_enqueue_script('mc4wp-forms-admin');
wp_localize_script(
'mc4wp-forms-admin',
'mc4wp_forms_i18n',
array(
'addToForm' => __('Add to form', 'mailchimp-for-wp'),
'agreeToTerms' => __('I have read and agree to the terms & conditions', 'mailchimp-for-wp'),
'agreeToTermsShort' => __('Agree to terms', 'mailchimp-for-wp'),
'agreeToTermsLink' => __('Link to your terms & conditions page', 'mailchimp-for-wp'),
'city' => __('City', 'mailchimp-for-wp'),
'checkboxes' => __('Checkboxes', 'mailchimp-for-wp'),
'choices' => __('Choices', 'mailchimp-for-wp'),
'choiceType' => __('Choice type', 'mailchimp-for-wp'),
'chooseField' => __('Choose a field to add to the form', 'mailchimp-for-wp'),
'close' => __('Close', 'mailchimp-for-wp'),
'country' => __('Country', 'mailchimp-for-wp'),
'dropdown' => __('Dropdown', 'mailchimp-for-wp'),
'emailAddress' => __('Email address', 'mailchimp-for-wp'),
'fieldType' => __('Field type', 'mailchimp-for-wp'),
'fieldLabel' => __('Field label', 'mailchimp-for-wp'),
'formAction' => __('Form action', 'mailchimp-for-wp'),
'formActionDescription' => __('This field will allow your visitors to choose whether they would like to subscribe or unsubscribe', 'mailchimp-for-wp'),
'formFields' => __('Form fields', 'mailchimp-for-wp'),
'forceRequired' => __('This field is marked as required in Mailchimp.', 'mailchimp-for-wp'),
'initialValue' => __('Initial value', 'mailchimp-for-wp'),
'interestCategories' => __('Interest categories', 'mailchimp-for-wp'),
'isFieldRequired' => __('Is this field required?', 'mailchimp-for-wp'),
'listChoice' => __('List choice', 'mailchimp-for-wp'),
'listChoiceDescription' => __('This field will allow your visitors to choose a list to subscribe to.', 'mailchimp-for-wp'),
'listFields' => __('List fields', 'mailchimp-for-wp'),
'min' => __('Min', 'mailchimp-for-wp'),
'max' => __('Max', 'mailchimp-for-wp'),
'noAvailableFields' => __('No available fields. Did you select a Mailchimp list in the form settings?', 'mailchimp-for-wp'),
'optional' => __('Optional', 'mailchimp-for-wp'),
'placeholder' => __('Placeholder', 'mailchimp-for-wp'),
'placeholderHelp' => __('Text to show when field has no value.', 'mailchimp-for-wp'),
'preselect' => __('Preselect', 'mailchimp-for-wp'),
'remove' => __('Remove', 'mailchimp-for-wp'),
'radioButtons' => __('Radio buttons', 'mailchimp-for-wp'),
'streetAddress' => __('Street Address', 'mailchimp-for-wp'),
'state' => __('State', 'mailchimp-for-wp'),
'subscribe' => __('Subscribe', 'mailchimp-for-wp'),
'submitButton' => __('Submit button', 'mailchimp-for-wp'),
'wrapInParagraphTags' => __('Wrap in paragraph tags?', 'mailchimp-for-wp'),
'value' => __('Value', 'mailchimp-for-wp'),
'valueHelp' => __('Text to prefill this field with.', 'mailchimp-for-wp'),
'zip' => __('ZIP', 'mailchimp-for-wp'),
)
);
}
/**
* @param $items
*
* @return mixed
*/
public function add_menu_item($items)
{
$items['forms'] = array(
'title' => esc_html__('Forms', 'mailchimp-for-wp'),
'text' => esc_html__('Form', 'mailchimp-for-wp'),
'slug' => 'forms',
'callback' => array( $this, 'show_forms_page' ),
'load_callback' => array( $this, 'redirect_to_form_action' ),
'position' => 10,
);
return $items;
}
/**
* Act on the "add form" form
*/
public function process_add_form()
{
$form_data = $_POST['mc4wp_form'];
$form_content = include MC4WP_PLUGIN_DIR . '/config/default-form-content.php';
// Fix for MultiSite stripping KSES for roles other than administrator
remove_all_filters('content_save_pre');
$form_id = wp_insert_post(
array(
'post_type' => 'mc4wp-form',
'post_status' => 'publish',
'post_title' => $form_data['name'],
'post_content' => $form_content,
)
);
// if settings were passed, save those too.
if (isset($form_data['settings'])) {
update_post_meta($form_id, '_mc4wp_settings', $form_data['settings']);
}
// set default form ID
$this->set_default_form_id($form_id);
$this->messages->flash(esc_html__('Form saved.', 'mailchimp-for-wp'));
$edit_form_url = mc4wp_get_edit_form_url($form_id);
wp_redirect($edit_form_url);
exit;
}
/**
* Saves a form to the database
* @param int $form_id
* @param array $data
* @return int
*/
private function save_form($form_id, array $data)
{
$keys = array(
'settings' => array(),
'messages' => array(),
'name' => '',
'content' => '',
);
$data = array_merge($keys, $data);
$data = $this->sanitize_form_data($data);
$post_data = array(
'ID' => $form_id,
'post_type' => 'mc4wp-form',
'post_status' => ! empty($data['status']) ? $data['status'] : 'publish',
'post_title' => $data['name'],
'post_content' => $data['content'],
);
// Fix for MultiSite stripping KSES for roles other than administrator
remove_all_filters('content_save_pre');
wp_insert_post($post_data);
// merge new settings with current settings to allow passing partial data
$current_settings = get_post_meta($form_id, '_mc4wp_settings', true);
if (is_array($current_settings)) {
$data['settings'] = array_merge($current_settings, $data['settings']);
}
update_post_meta($form_id, '_mc4wp_settings', $data['settings']);
// save form messages in individual meta keys
foreach ($data['messages'] as $key => $message) {
update_post_meta($form_id, 'text_' . $key, $message);
}
/**
* Runs right after a form is updated.
*
* @since 3.0
*
* @param int $form_id
*/
do_action('mc4wp_save_form', $form_id);
return $form_id;
}
/**
* @param array $data
* @return array
*/
public function sanitize_form_data(array $data)
{
$raw_data = $data;
// strip <form> tags from content
$data['content'] = preg_replace('/<\/?form(.|\s)*?>/i', '', $data['content']);
// replace lowercased name="name" to prevent 404
$data['content'] = str_ireplace(' name=\"name\"', ' name=\"NAME\"', $data['content']);
// sanitize text fields
$data['settings']['redirect'] = sanitize_text_field($data['settings']['redirect']);
// strip tags from messages
foreach ($data['messages'] as $key => $message) {
$data['messages'][ $key ] = strip_tags($message, '<strong><b><br><a><script><u><em><i><span><img>');
}
// make sure lists is an array
if (! isset($data['settings']['lists'])) {
$data['settings']['lists'] = array();
}
$data['settings']['lists'] = array_filter((array) $data['settings']['lists']);
// if current user can not post unfiltered HTML, run HTML through whitelist using wp_kses
if (! current_user_can('unfiltered_html')) {
$data['content'] = mc4wp_kses($data['content']);
foreach ($data['messages'] as $key => $message) {
$data['messages'][ $key ] = mc4wp_kses($data['messages'][ $key ]);
}
}
/**
* Filters the form data just before it is saved.
*
* @param array $data Sanitized array of form data.
* @param array $raw_data Raw array of form data.
*
* @since 3.0.8
* @ignore
*/
$data = (array) apply_filters('mc4wp_form_sanitized_data', $data, $raw_data);
return $data;
}
/**
* Saves a form
*/
public function process_save_form()
{
// save global settings (if submitted)
if (isset($_POST['mc4wp']) && is_array($_POST['mc4wp'])) {
$options = get_option('mc4wp', array());
$posted = $_POST['mc4wp'];
foreach ($posted as $key => $value) {
$options[ $key ] = trim($value);
}
update_option('mc4wp', $options);
}
// update form, settings and messages
$form_id = (int) $_POST['mc4wp_form_id'];
$form_data = $_POST['mc4wp_form'];
$this->save_form($form_id, $form_data);
$this->set_default_form_id($form_id);
$this->messages->flash(esc_html__('Form saved.', 'mailchimp-for-wp'));
}
/**
* @param int $form_id
*/
private function set_default_form_id($form_id)
{
$default_form_id = get_option('mc4wp_default_form_id', 0);
if (empty($default_form_id)) {
update_option('mc4wp_default_form_id', $form_id);
}
}
/**
* Goes through each form and aggregates array of stylesheet slugs to load.
*
* @hooked `mc4wp_save_form`
*/
public function update_form_stylesheets()
{
$stylesheets = array();
$forms = mc4wp_get_forms();
foreach ($forms as $form) {
$stylesheet = $form->get_stylesheet();
if (! empty($stylesheet) && ! in_array($stylesheet, $stylesheets, true)) {
$stylesheets[] = $stylesheet;
}
}
update_option('mc4wp_form_stylesheets', $stylesheets);
}
/**
* Redirect to correct form action
*
* @ignore
*/
public function redirect_to_form_action()
{
if (! empty($_GET['view'])) {
return;
}
try {
// try default form first
$default_form = mc4wp_get_form();
$redirect_url = mc4wp_get_edit_form_url($default_form->ID);
} catch (Exception $e) {
// no default form, query first available form and go there
$forms = mc4wp_get_forms(
array(
'posts_per_page' => 1,
'orderby' => 'ID',
'order' => 'ASC',
)
);
if (count($forms) > 0) {
// take first form and use it to go to the "edit form" screen
$form = array_shift($forms);
$redirect_url = mc4wp_get_edit_form_url($form->ID);
} else {
// we don't have a form yet, go to "add new" screen
$redirect_url = mc4wp_get_add_form_url();
}
}
if (headers_sent()) {
echo sprintf('<meta http-equiv="refresh" content="0;url=%s" />', $redirect_url);
} else {
wp_redirect($redirect_url);
}
exit;
}
/**
* Show the Forms Settings page
*
* @internal
*/
public function show_forms_page()
{
$view = ! empty($_GET['view']) ? $_GET['view'] : '';
/**
* @ignore
*/
do_action('mc4wp_admin_show_forms_page', $view);
/**
* @ignore
*/
do_action('mc4wp_admin_show_forms_page-' . $view);
}
/**
* Show the "Edit Form" page
*
* @internal
*/
public function show_edit_page()
{
$form_id = ! empty($_GET['form_id']) ? (int) $_GET['form_id'] : 0;
$mailchimp = new MC4WP_MailChimp();
$lists = $mailchimp->get_lists();
try {
$form = mc4wp_get_form($form_id);
} catch (Exception $e) {
echo '<h2>', esc_html__('Form not found.', 'mailchimp-for-wp'), '</h2>';
echo '<p>', $e->getMessage(), '</p>';
echo '<p><a href="javascript:history.go(-1);"> ‹ ', esc_html__('Go back', 'mailchimp-for-wp'), '</a></p>';
return;
}
$opts = $form->settings;
$active_tab = isset($_GET['tab']) ? trim($_GET['tab']) : 'fields';
$form_preview_url = add_query_arg(
array(
'mc4wp_preview_form' => $form_id,
),
site_url('/', 'admin')
);
require __DIR__ . '/views/edit-form.php';
}
/**
* Shows the "Add Form" page
*
* @internal
*/
public function show_add_page()
{
$mailchimp = new MC4WP_MailChimp();
$lists = $mailchimp->get_lists();
$number_of_lists = count($lists);
require __DIR__ . '/views/add-form.php';
}
/**
* Get URL for a tab on the current page.
*
* @since 3.0
* @internal
* @param $tab
* @return string
*/
public function tab_url($tab)
{
return add_query_arg(array( 'tab' => $tab ), remove_query_arg('tab'));
}
/**
* Registers UI for when shortcake is activated
*/
public function register_shortcake_ui()
{
$assets = new MC4WP_Form_Asset_Manager();
$assets->load_stylesheets();
$forms = mc4wp_get_forms();
$options = array();
foreach ($forms as $form) {
$options[ $form->ID ] = $form->name;
}
/**
* Register UI for your shortcode
*
* @param string $shortcode_tag
* @param array $ui_args
*/
shortcode_ui_register_for_shortcode(
'mc4wp_form',
array(
'label' => esc_html__('Mailchimp Sign-Up Form', 'mailchimp-for-wp'),
'listItemImage' => 'dashicons-feedback',
'attrs' => array(
array(
'label' => esc_html__('Select the form to show', 'mailchimp-for-wp'),
'attr' => 'id',
'type' => 'select',
'options' => $options,
),
),
)
);
}
}