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Mini Shell
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<?php
namespace WPForms\Admin\Notifications;
/**
* Notifications.
*
* @since 1.7.5
*/
class Notifications {
/**
* Source of notifications content.
*
* @since 1.7.5
*
* @var string
*/
const SOURCE_URL = 'https://plugin.wpforms.com/wp-content/notifications.json';
/**
* Array of license types, that are considered being Elite level.
*
* @since 1.7.5
*
* @var array
*/
const LICENSES_ELITE = [ 'agency', 'ultimate', 'elite' ];
/**
* Option value.
*
* @since 1.7.5
*
* @var bool|array
*/
public $option = false;
/**
* Current license type.
*
* @since 1.7.5
*
* @var string
*/
private $license_type;
/**
* Initialize class.
*
* @since 1.7.5
*/
public function init() {
$this->hooks();
}
/**
* Register hooks.
*
* @since 1.7.5
*/
public function hooks() {
add_action( 'wpforms_admin_notifications_update', [ $this, 'update' ] );
if ( ! wpforms_is_admin_ajax() && ! is_admin() ) {
return;
}
add_action( 'wpforms_overview_enqueue', [ $this, 'enqueues' ] );
add_action( 'wpforms_admin_overview_before_table', [ $this, 'output' ] );
add_action( 'deactivate_plugin', [ $this, 'delete' ], 10, 2 );
add_action( 'wp_ajax_wpforms_notification_dismiss', [ $this, 'dismiss' ] );
}
/**
* Check if user has access and is enabled.
*
* @since 1.7.5
* @since 1.8.2 Added AS task support.
*
* @return bool
*/
public function has_access() {
$has_access = ! wpforms_setting( 'hide-announcements', false );
if ( ! wp_doing_cron() && ! wpforms_doing_wp_cli() ) {
$has_access = $has_access && wpforms_current_user_can( 'view_forms' );
}
/**
* Allow modifying state if a user has access.
*
* @since 1.6.0
*
* @param bool $access True if user has access.
*/
return (bool) apply_filters( 'wpforms_admin_notifications_has_access', $has_access );
}
/**
* Get option value.
*
* @since 1.7.5
*
* @param bool $cache Reference property cache if available.
*
* @return array
*/
public function get_option( $cache = true ) {
if ( $this->option && $cache ) {
return $this->option;
}
$option = (array) get_option( 'wpforms_notifications', [] );
$this->option = [
'update' => ! empty( $option['update'] ) ? (int) $option['update'] : 0,
'feed' => ! empty( $option['feed'] ) ? (array) $option['feed'] : [],
'events' => ! empty( $option['events'] ) ? (array) $option['events'] : [],
'dismissed' => ! empty( $option['dismissed'] ) ? (array) $option['dismissed'] : [],
];
return $this->option;
}
/**
* Fetch notifications from feed.
*
* @since 1.7.5
*
* @return array
*/
public function fetch_feed() {
$response = wp_remote_get(
self::SOURCE_URL,
[
'timeout' => 10,
'user-agent' => wpforms_get_default_user_agent(),
]
);
if ( is_wp_error( $response ) ) {
return [];
}
$body = wp_remote_retrieve_body( $response );
if ( empty( $body ) ) {
return [];
}
return $this->verify( json_decode( $body, true ) );
}
/**
* Verify notification data before it is saved.
*
* @since 1.7.5
*
* @param array $notifications Array of notifications items to verify.
*
* @return array
*/
public function verify( $notifications ) {
$data = [];
if ( ! is_array( $notifications ) || empty( $notifications ) ) {
return $data;
}
foreach ( $notifications as $notification ) {
// Ignore if one of the conditional checks is true:
//
// 1. notification message is empty.
// 2. license type does not match.
// 3. notification is expired.
// 4. notification has already been dismissed.
// 5. notification existed before installing WPForms.
// (Prevents bombarding the user with notifications after activation).
if (
empty( $notification['content'] ) ||
! $this->is_license_type_match( $notification ) ||
$this->is_expired( $notification ) ||
$this->is_dismissed( $notification ) ||
$this->is_existed( $notification )
) {
continue;
}
$data[] = $notification;
}
return $data;
}
/**
* Verify saved notification data for active notifications.
*
* @since 1.7.5
*
* @param array $notifications Array of notifications items to verify.
*
* @return array
*/
public function verify_active( $notifications ) {
if ( ! is_array( $notifications ) || empty( $notifications ) ) {
return [];
}
$current_timestamp = time();
// Remove notifications that are not active.
foreach ( $notifications as $key => $notification ) {
if (
( ! empty( $notification['start'] ) && $current_timestamp < strtotime( $notification['start'] ) ) ||
( ! empty( $notification['end'] ) && $current_timestamp > strtotime( $notification['end'] ) )
) {
unset( $notifications[ $key ] );
}
}
return $notifications;
}
/**
* Get notification data.
*
* @since 1.7.5
*
* @return array
*/
public function get() {
if ( ! $this->has_access() ) {
return [];
}
$option = $this->get_option();
// Update notifications using async task.
if ( empty( $option['update'] ) || time() > $option['update'] + DAY_IN_SECONDS ) {
$tasks = wpforms()->obj( 'tasks' );
if ( ! $tasks->is_scheduled( 'wpforms_admin_notifications_update' ) !== false ) {
$tasks
->create( 'wpforms_admin_notifications_update' )
->async()
->params()
->register();
}
}
$feed = ! empty( $option['feed'] ) ? $this->verify_active( $option['feed'] ) : [];
$events = ! empty( $option['events'] ) ? $this->verify_active( $option['events'] ) : [];
return array_merge( $feed, $events );
}
/**
* Get notification count.
*
* @since 1.7.5
*
* @return int
*/
public function get_count() {
return count( $this->get() );
}
/**
* Add a new Event Driven notification.
*
* @since 1.7.5
*
* @param array $notification Notification data.
*/
public function add( $notification ) {
if ( ! $this->is_valid( $notification ) ) {
return;
}
$option = $this->get_option();
// Notification ID already exists.
if ( ! empty( $option['events'][ $notification['id'] ] ) ) {
return;
}
update_option(
'wpforms_notifications',
[
'update' => $option['update'],
'feed' => $option['feed'],
'events' => array_merge( $notification, $option['events'] ),
'dismissed' => $option['dismissed'],
]
);
}
/**
* Determine if notification data is valid.
*
* @since 1.7.5
*
* @param array $notification Notification data.
*
* @return bool
*/
public function is_valid( $notification ) {
if ( empty( $notification['id'] ) ) {
return false;
}
return ! empty( $this->verify( [ $notification ] ) );
}
/**
* Determine if notification has already been dismissed.
*
* @since 1.7.5
*
* @param array $notification Notification data.
*
* @return bool
*/
private function is_dismissed( $notification ) {
$option = $this->get_option();
// phpcs:ignore WordPress.PHP.StrictInArray.MissingTrueStrict
return ! empty( $option['dismissed'] ) && in_array( $notification['id'], $option['dismissed'] );
}
/**
* Determine if license type is match.
*
* @since 1.7.5
*
* @param array $notification Notification data.
*
* @return bool
*/
private function is_license_type_match( $notification ) {
// A specific license type is not required.
if ( empty( $notification['type'] ) ) {
return true;
}
return in_array( $this->get_license_type(), (array) $notification['type'], true );
}
/**
* Determine if notification is expired.
*
* @since 1.7.5
*
* @param array $notification Notification data.
*
* @return bool
*/
private function is_expired( $notification ) {
return ! empty( $notification['end'] ) && time() > strtotime( $notification['end'] );
}
/**
* Determine if notification existed before installing WPForms.
*
* @since 1.7.5
*
* @param array $notification Notification data.
*
* @return bool
*/
private function is_existed( $notification ) {
$activated = wpforms_get_activated_timestamp();
return ! empty( $activated ) &&
! empty( $notification['start'] ) &&
$activated > strtotime( $notification['start'] );
}
/**
* Update notification data from feed.
*
* @since 1.7.5
* @since 1.7.8 Added `wp_cache_flush()` call when the option has been updated.
* @since 1.8.2 Don't fire the update action when it disabled or was fired recently.
*/
public function update() {
if ( ! $this->has_access() ) {
return;
}
$option = $this->get_option();
// Double-check the last update time to prevent multiple requests.
if ( ! empty( $option['update'] ) && time() < $option['update'] + DAY_IN_SECONDS ) {
return;
}
$data = [
'feed' => $this->fetch_feed(),
'events' => $option['events'],
'dismissed' => $option['dismissed'],
];
// phpcs:disable WPForms.PHP.ValidateHooks.InvalidHookName
/**
* Allow changing notification data before it will be updated in database.
*
* @since 1.7.5
*
* @param array $data New notification data.
*/
$data = (array) apply_filters( 'wpforms_admin_notifications_update_data', $data );
// phpcs:enable WPForms.PHP.ValidateHooks.InvalidHookName
$data['update'] = time();
update_option( 'wpforms_notifications', $data );
}
/**
* Remove notification data from database before a plugin is deactivated.
*
* @since 1.7.5
*
* @param string $plugin Path to the plugin file relative to the plugins directory.
* @param bool $network_deactivating Whether the plugin is deactivated for all sites in the network
* or just the current site. Multisite only. Default false.
*/
public function delete( $plugin, $network_deactivating ) {
$wpforms_plugins = [
'wpforms-lite/wpforms.php',
'wpforms/wpforms.php',
];
if ( ! in_array( $plugin, $wpforms_plugins, true ) ) {
return;
}
delete_option( 'wpforms_notifications' );
}
/**
* Enqueue assets on Form Overview admin page.
*
* @since 1.7.5
*/
public function enqueues() {
if ( ! $this->get_count() ) {
return;
}
$min = wpforms_get_min_suffix();
wp_enqueue_style(
'wpforms-admin-notifications',
WPFORMS_PLUGIN_URL . "assets/css/admin-notifications{$min}.css",
[ 'wpforms-lity' ],
WPFORMS_VERSION
);
wp_enqueue_script(
'wpforms-admin-notifications',
WPFORMS_PLUGIN_URL . "assets/js/admin/admin-notifications{$min}.js",
[ 'jquery', 'wpforms-lity' ],
WPFORMS_VERSION,
true
);
// Lity.
wp_enqueue_style(
'wpforms-lity',
WPFORMS_PLUGIN_URL . 'assets/lib/lity/lity.min.css',
[],
WPFORMS_VERSION
);
wp_enqueue_script(
'wpforms-lity',
WPFORMS_PLUGIN_URL . 'assets/lib/lity/lity.min.js',
[ 'jquery' ],
WPFORMS_VERSION,
true
);
}
/**
* Output notifications on Form Overview admin area.
*
* @since 1.7.5
*/
public function output() {
// Leave early if there are no forms.
if ( ! wpforms()->obj( 'form' )->forms_exist() ) {
return;
}
$notifications = $this->get();
if ( empty( $notifications ) ) {
return;
}
$notifications_html = '';
$current_class = ' current';
$content_allowed_tags = $this->get_allowed_tags();
foreach ( $notifications as $notification ) {
// Prepare required arguments.
$notification = wp_parse_args(
$notification,
[
'id' => 0,
'title' => '',
'content' => '',
'video' => '',
]
);
$title = $this->get_component_data( $notification['title'] );
$content = $this->get_component_data( $notification['content'] );
if ( ! $title && ! $content ) {
continue;
}
// Notification HTML.
$notifications_html .= sprintf(
'<div class="wpforms-notifications-message%5$s" data-message-id="%4$s">
<h3 class="wpforms-notifications-title">%1$s%6$s</h3>
<div class="wpforms-notifications-content">%2$s</div>
%3$s
</div>',
esc_html( $title ),
wp_kses( wpautop( $content ), $content_allowed_tags ),
$this->get_notification_buttons_html( $notification ),
esc_attr( $notification['id'] ),
esc_attr( $current_class ),
$this->get_video_badge_html( $this->get_component_data( $notification['video'] ) )
);
// Only first notification is current.
$current_class = '';
}
// phpcs:ignore WordPress.Security.EscapeOutput.OutputNotEscaped
echo wpforms_render(
'admin/notifications',
[
'notifications' => [
'count' => count( $notifications ),
'html' => $notifications_html,
],
],
true
);
}
/**
* Get the allowed HTML tags and their attributes.
*
* @since 1.8.8
*
* @return array
*/
public function get_allowed_tags(): array {
return [
'br' => [],
'em' => [],
'strong' => [],
'span' => [
'style' => [],
],
'p' => [
'id' => [],
'class' => [],
],
'a' => [
'href' => [],
'target' => [],
'rel' => [],
],
];
}
/**
* Retrieve notification's buttons HTML.
*
* @since 1.7.5
*
* @param array $notification Notification data.
*
* @return string
*/
private function get_notification_buttons_html( $notification ) {
$html = '';
if ( empty( $notification['btns'] ) || ! is_array( $notification['btns'] ) ) {
return $html;
}
foreach ( $notification['btns'] as $btn_type => $btn ) {
$btn = $this->get_component_data( $btn );
if ( ! $btn ) {
continue;
}
$url = $this->prepare_btn_url( $btn );
$target = ! empty( $btn['target'] ) ? $btn['target'] : '_blank';
$target = ! empty( $url ) && strpos( $url, home_url() ) === 0 ? '_self' : $target;
$html .= sprintf(
'<a href="%1$s" class="button button-%2$s"%3$s>%4$s</a>',
esc_url( $url ),
$btn_type === 'main' ? 'primary' : 'secondary',
$target === '_blank' ? ' target="_blank" rel="noopener noreferrer"' : '',
! empty( $btn['text'] ) ? esc_html( $btn['text'] ) : ''
);
}
return ! empty( $html ) ? sprintf( '<div class="wpforms-notifications-buttons">%s</div>', $html ) : '';
}
/**
* Retrieve notification's component data by a license type.
*
* @since 1.7.5
*
* @param mixed $data Component data.
*
* @return false|mixed
*/
private function get_component_data( $data ) {
if ( empty( $data['license'] ) ) {
return $data;
}
$license_type = $this->get_license_type();
if ( in_array( $license_type, self::LICENSES_ELITE, true ) ) {
$license_type = 'elite';
}
return ! empty( $data['license'][ $license_type ] ) ? $data['license'][ $license_type ] : false;
}
/**
* Retrieve the current installation license type (always lowercase).
*
* @since 1.7.5
*
* @return string
*/
private function get_license_type() {
if ( $this->license_type ) {
return $this->license_type;
}
$this->license_type = wpforms_get_license_type();
if ( ! $this->license_type ) {
$this->license_type = 'lite';
}
return $this->license_type;
}
/**
* Dismiss notification via AJAX.
*
* @since 1.7.5
*/
public function dismiss() {
// Check for required param, security and access.
if (
empty( $_POST['id'] ) ||
! check_ajax_referer( 'wpforms-admin', 'nonce', false ) ||
! $this->has_access()
) {
wp_send_json_error();
}
$id = sanitize_key( $_POST['id'] );
$type = is_numeric( $id ) ? 'feed' : 'events';
$option = $this->get_option();
$option['dismissed'][] = $id;
$option['dismissed'] = array_unique( $option['dismissed'] );
// Remove notification.
if ( is_array( $option[ $type ] ) && ! empty( $option[ $type ] ) ) {
foreach ( $option[ $type ] as $key => $notification ) {
if ( (string) $notification['id'] === (string) $id ) {
unset( $option[ $type ][ $key ] );
break;
}
}
}
update_option( 'wpforms_notifications', $option );
wp_send_json_success();
}
/**
* Prepare button URL.
*
* @since 1.7.5
*
* @param array $btn Button data.
*
* @return string
*/
private function prepare_btn_url( $btn ) {
if ( empty( $btn['url'] ) ) {
return '';
}
$replace_tags = [
'{admin_url}' => admin_url(),
'{license_key}' => wpforms_get_license_key(),
];
return str_replace( array_keys( $replace_tags ), array_values( $replace_tags ), $btn['url'] );
}
/**
* Get the notification's video badge HTML.
*
* @since 1.7.5
*
* @param string $video_url Valid video URL.
*
* @return string
*/
private function get_video_badge_html( $video_url ) {
$video_url = wp_http_validate_url( $video_url );
if ( empty( $video_url ) ) {
return '';
}
$data_attr_lity = wp_is_mobile() ? '' : 'data-lity';
return sprintf(
'<a class="wpforms-notifications-badge" href="%1$s" %2$s>
<svg fill="none" viewBox="0 0 15 13" aria-hidden="true">
<path fill="#fff" d="M4 2.5h7v8H4z"/>
<path fill="#D63638" d="M14.2 10.5v-8c0-.4-.2-.8-.5-1.1-.3-.3-.7-.5-1.1-.5H2.2c-.5 0-.8.2-1.1.5-.4.3-.5.7-.5 1.1v8c0 .4.2.8.5 1.1.3.3.6.5 1 .5h10.5c.4 0 .8-.2 1.1-.5.3-.3.5-.7.5-1.1Zm-8.8-.8V3.3l4.8 3.2-4.8 3.2Z"/>
</svg>
%3$s
</a>',
esc_url( $video_url ),
esc_attr( $data_attr_lity ),
esc_html__( 'Watch Video', 'wpforms-lite' )
);
}
}
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