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<?php if ( ! defined( 'ABSPATH' ) ) exit;
/**
* NF_Notices Class
*
* Can be simply used be adding another line into the nf_admin_notices() function under notices.php
*
* Can be extended to create more advanced notices to include triggered events
*
* @since 2.9
*/
class NF_Admin_Notices
{
// Highlander the instance
static $instance;
public static function instance()
{
if ( ! isset( self::$instance ) ) {
self::$instance = new NF_Notices();
}
return self::$instance;
}
public $notice_spam = 0;
public $notice_spam_max = 1;
// Basic actions to run
public function __construct(){
// Runs the admin notice ignore function incase a dismiss button has been clicked
add_action( 'admin_init', array( $this, 'admin_notice_ignore' ) );
// Runs the admin notice temp ignore function incase a temp dismiss link has been clicked
add_action( 'admin_init', array( $this, 'admin_notice_temp_ignore' ) );
}
// Checks to ensure notices aren't disabled and the user has the correct permissions.
public function nf_admin_notice() {
$nf_settings = get_option( 'ninja_forms_settings' );
if ( ! isset( $nf_settings[ 'disable_admin_notices' ] ) || ( isset( $nf_settings[ 'disable_admin_notices' ] ) && $nf_settings[ 'disable_admin_notices' ] == 0 ) ){
if ( current_user_can( apply_filters( 'ninja_forms_admin_parent_menu_capabilities', 'manage_options' ) ) ) {
return true;
}
}
return false;
}
// Primary notice function that can be called from an outside function sending necessary variables
public function admin_notice( $admin_notices ) {
// Check options
if ( ! $this->nf_admin_notice() ) {
return false;
}
foreach ( $admin_notices as $slug => $admin_notice ) {
if ( isset ( $admin_notice[ 'ignore_spam' ] ) && true == $admin_notice[ 'ignore_spam' ] ) {
$ignore_spam = true;
} else {
$ignore_spam = false;
}
// Call for spam protection
if ( ! $ignore_spam && $this->anti_notice_spam() ) {
continue;
}
// Check for proper page to display on
if ( isset( $admin_notices[ $slug ][ 'pages' ] ) && is_array( $admin_notices[ $slug ][ 'pages' ] )
|| isset( $admin_notices[ $slug ][ 'blacklist' ] ) && is_array( $admin_notices[ $slug ][ 'blacklist' ] )
) {
if( ( isset( $admin_notices[ $slug ][ 'blacklist' ] ) && $this->admin_notice_pages_blacklist( $admin_notices[ $slug ][ 'blacklist' ] ) )
|| ( isset( $admin_notices[ $slug ][ 'pages' ] ) && ! $this->admin_notice_pages( $admin_notices[ $slug ][ 'pages' ] ) )
) {
continue;
}
}
// Check for required fields
if ( ! $this->required_fields( $admin_notices[ $slug ] ) ) {
// Get the current date then set start date to either passed value or current date value and add interval
$current_date = current_time( "n/j/Y" );
$start = ( isset( $admin_notices[ $slug ][ 'start' ] ) ? $admin_notices[ $slug ][ 'start' ] : $current_date );
$start = date( "n/j/Y", strtotime( $start ) );
$date_array = explode( '/', $start );
$interval = ( isset( $admin_notices[ $slug ][ 'int' ] ) ? $admin_notices[ $slug ][ 'int' ] : 0 );
$date_array[1] += $interval;
$start = date( "n/j/Y", mktime( 0, 0, 0, $date_array[0], $date_array[1], $date_array[2] ) );
// This is the main notices storage option
$admin_notices_option = get_option( 'nf_admin_notice', array() );
// Check if the message is already stored and if so just grab the key otherwise store the message and its associated date information
if ( ! array_key_exists( $slug, $admin_notices_option ) ) {
$admin_notices_option[ $slug ][ 'start' ] = $start;
$admin_notices_option[ $slug ][ 'int' ] = $interval;
update_option( 'nf_admin_notice', $admin_notices_option );
}
// Sanity check to ensure we have accurate information
// New date information will not overwrite old date information
$admin_display_check = ( isset( $admin_notices_option[ $slug ][ 'dismissed' ] ) ? $admin_notices_option[ $slug ][ 'dismissed'] : 0 );
$admin_display_start = ( isset( $admin_notices_option[ $slug ][ 'start' ] ) ? $admin_notices_option[ $slug ][ 'start'] : $start );
$admin_display_interval = ( isset( $admin_notices_option[ $slug ][ 'int' ] ) ? $admin_notices_option[ $slug ][ 'int'] : $interval );
$admin_display_msg = ( isset( $admin_notices[ $slug ][ 'msg' ] ) ? $admin_notices[ $slug ][ 'msg'] : '' );
$admin_display_title = ( isset( $admin_notices[ $slug ][ 'title' ] ) ? $admin_notices[ $slug ][ 'title'] : '' );
$admin_display_link = ( isset( $admin_notices[ $slug ][ 'link' ] ) ? $admin_notices[ $slug ][ 'link' ] : '' );
$admin_can_dismiss = ( isset( $admin_notices[ $slug ][ 'dismiss' ] ) ? $admin_notices[ $slug ][ 'dismiss' ] : 1 );
$output_css = false;
// Ensure the notice hasn't been hidden and that the current date is after the start date
if ( $admin_display_check == 0 && strtotime( $admin_display_start ) <= strtotime( $current_date ) ) {
// Get remaining query string
$query_str = esc_url( add_query_arg( 'nf_admin_notice_ignore', $slug ) );
// Admin notice display output
echo '<div class="update-nag nf-admin-notice">';
echo '<div class="nf-notice-logo"></div>';
echo '<div class="nf-notice-container">';
echo '<div class="nf-notice-title">';
echo esc_html( $admin_display_title );
echo '</div>';
echo ' <p class="nf-notice-body">';
echo $admin_display_msg;
echo ' </p>';
echo '<ul class="nf-notice-links">
' . $admin_display_link . '
</ul>';
echo '</div>';
if ( $admin_can_dismiss ) {
echo '<a href="' . wp_nonce_url( esc_attr( $query_str ) ) . '" class="dashicons dashicons-dismiss"></a>';
}
echo '</div>';
$this->notice_spam += 1;
$output_css = true;
}
if ( $output_css ) {
wp_enqueue_style( 'nf-admin-notices', Ninja_Forms::$url .'assets/css/admin-notices.css?nf_ver=' . Ninja_Forms::VERSION );
}
}
}
// die( 'done looping' );
}
// Spam protection check
public function anti_notice_spam() {
if ( $this->notice_spam >= $this->notice_spam_max ) {
return true;
}
return false;
}
// Ignore function that gets ran at admin init to ensure any messages that were dismissed get marked
public function admin_notice_ignore() {
// If user clicks to ignore the notice, update the option to not show it again
if ( isset($_GET['nf_admin_notice_ignore']) && current_user_can( apply_filters( 'ninja_forms_admin_parent_menu_capabilities', 'manage_options' ) ) ) {
if ( ! check_admin_referer() ) {
$query_str = remove_query_arg( array( 'nf_admin_notice_ignore', '_wpnonce' ) );
wp_safe_redirect( $query_str );
exit;
}
$admin_notices_option = get_option( 'nf_admin_notice', array() );
$admin_notices_option[ WPN_Helper::sanitize_text_field($_GET[ 'nf_admin_notice_ignore' ]) ][ 'dismissed' ] = 1;
update_option( 'nf_admin_notice', $admin_notices_option );
$query_str = remove_query_arg( array( 'nf_admin_notice_ignore', '_wpnonce' ) );
wp_safe_redirect( $query_str );
exit;
}
}
// Temp Ignore function that gets ran at admin init to ensure any messages that were temp dismissed get their start date changed
public function admin_notice_temp_ignore() {
// If user clicks to temp ignore the notice, update the option to change the start date - default interval of 14 days
if ( isset($_GET['nf_admin_notice_temp_ignore']) && current_user_can( apply_filters( 'ninja_forms_admin_parent_menu_capabilities', 'manage_options' ) ) ) {
$admin_notices_option = get_option( 'nf_admin_notice', array() );
$current_date = current_time( "n/j/Y" );
$date_array = explode( '/', $current_date );
$interval = ( isset( $_GET[ 'nf_int' ] ) ? intval($_GET[ 'nf_int' ]) : 14 );
$date_array[1] += $interval;
$new_start = date( "n/j/Y", mktime( 0, 0, 0, $date_array[0], $date_array[1], $date_array[2] ) );
$admin_notices_option[ WPN_Helper::sanitize_text_field($_GET[ 'nf_admin_notice_temp_ignore' ]) ][ 'start' ] = $new_start;
$admin_notices_option[ WPN_Helper::sanitize_text_field($_GET[ 'nf_admin_notice_temp_ignore' ]) ][ 'dismissed' ] = 0;
update_option( 'nf_admin_notice', $admin_notices_option );
$query_str = remove_query_arg( array( 'nf_admin_notice_temp_ignore', 'nf_int' ) );
wp_redirect( $query_str );
exit;
}
}
public function admin_notice_pages_blacklist( $pages ) {
foreach( $pages as $key => $page ) {
if ( is_array( $page ) ) {
if ( isset( $_GET[ 'page' ] ) && $_GET[ 'page'] == $page[0] && isset( $_GET[ 'tab' ] ) && $_GET[ 'tab' ] == $page[1] ) {
return true;
}
} else {
if ( get_current_screen()->id === $page ) {
return true;
}
if ( isset( $_GET[ 'page' ] ) && $_GET[ 'page'] == $page ) {
return true;
}
}
}
return false;
}
// Page check function - This should be called from class extensions if the notice should only show on specific admin pages
// Expects an array in the form of IE: array( 'dashboard', 'ninja-forms', array( 'ninja-forms', 'builder' ) )
// Function accepts dashboard as a special check and also whatever is passed to page or tab as parameters
// The above example will display on dashboard and all of the pages that have page=ninja-forms and any page=ninja-forms&tab=builder which is redundant in the example
public function admin_notice_pages( $pages ) {
foreach( $pages as $key => $page ) {
if ( is_array( $page ) ) {
if ( isset( $_GET[ 'page' ] ) && $_GET[ 'page'] == $page[0] && isset( $_GET[ 'tab' ] ) && $_GET[ 'tab' ] == $page[1] ) {
return true;
}
} else {
if ( $page == 'all' ) {
return true;
}
if ( get_current_screen()->id === $page ) {
return true;
}
if ( isset( $_GET[ 'page' ] ) && $_GET[ 'page'] == $page ) {
return true;
}
}
}
return false;
}
// Required fields check
public function required_fields( $fields ) {
if ( ! isset( $fields[ 'msg' ] ) || ( isset( $fields[ 'msg' ] ) && empty( $fields[ 'msg' ] ) ) ) {
return true;
}
if ( ! isset( $fields[ 'title' ] ) || ( isset( $fields[ 'title' ] ) && empty( $fields[ 'title' ] ) ) ) {
return true;
}
return false;
}
// Special parameters function that is to be used in any extension of this class
public function special_parameters( $admin_notices ) {
// Intentionally left blank
}
}