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EDITING: CnbAdminNotices.php

<?php

namespace cnb\notices;

// don't load directly
defined( 'ABSPATH' ) || die( '-1' );

class CnbAdminNotices {

/**
     * Singleton instance
     *
     * @var CnbAdminNotices
     */
    private static $_instance;

/**
     * @var CnbNotices
     */
    private $admin_notices;

private function __construct() {
        $this->admin_notices = new CnbNotices();

add_action( 'admin_init', array( &$this, 'action_admin_init' ) );
        add_action( 'cnb_admin_notices', array( &$this, 'action_admin_notices' ) );
    }

public static function get_instance() {
        if ( ! ( self::$_instance instanceof self ) ) {
            self::$_instance = new self();
        }

return self::$_instance;
    }

public function action_admin_init() {
        $dismiss_option = filter_input( INPUT_GET, CNB_SLUG . '_dismiss', FILTER_SANITIZE_STRING );
        if ( is_string( $dismiss_option ) && ! empty( $dismiss_option ) ) {
            update_option( CNB_SLUG . '_dismissed_' . $dismiss_option, true );
            do_action( $dismiss_option );
            wp_die(
                esc_html( 'Dismissed notice: ' . $dismiss_option ), esc_html__( 'Dismissed notice' ),
                array(
                    'response' => 200,
                )
            );
        }
    }

/**
     * @param $notices CnbNotice[]
     *
     * @return void
     */
    public function renderNotices( $notices ) {
        foreach ( $notices as $notice ) {
            $this->renderNotice( $notice );
        }
    }

/**
     * @param $notice CnbNotice
     */
    public function renderNotice( $notice ) {
        if ( $notice == null ) {
            return;
        }

$dismiss_classes = '';
        $dismiss_url     = null;
        if ( $notice->dismiss_option ) {
            $notice->dismissable = true;
            $url                 = admin_url( 'admin.php' );
            $dismiss_url         = add_query_arg( array(
                CNB_SLUG . '_dismiss' => $notice->dismiss_option
            ), $url );
        }

if ( $notice->dismissable ) {
            $dismiss_classes .= ' is-dismissible';
        }

// Check if this particular Notice has already been dismissed
        $option = CNB_SLUG . '_dismissed_' . $notice->dismiss_option;
        if ( ! $notice->dismiss_option || ! get_option( $option ) ) {
            echo '<div class="notice notice-' . esc_attr( CNB_SLUG ) . ' notice-' . esc_attr( $notice->type ) .
                 esc_attr( $dismiss_classes ) .
                 '"' .
                 // phpcs:ignore WordPress.Security
                 ( $notice->dismissable === true && $dismiss_url
                     ? ' data-dismiss-url="' . esc_url( $dismiss_url ) . '"'
                     : ''
                 ) . '>';
            // phpcs:ignore WordPress.Security
            echo $notice->message;
            echo '</div>';
        }
    }

public function get_dismiss_option_name( $name ) {
        return CNB_SLUG . '_dismissed_' . $name;
    }

public function is_dismissed( $name ) {
        return get_option( $name );
    }

public function action_admin_notices() {
        foreach ( explode( ',', CnbNotices::TYPES ) as $type ) {
            foreach ( $this->admin_notices->{$type} as $admin_notice ) {
                $option = $this->get_dismiss_option_name( $admin_notice->dismiss_option );
                if ( ! $admin_notice->dismiss_option || ! $this->is_dismissed( $option ) ) {
                    $this->renderNotice( $admin_notice );
                }
            }
        }
    }

/**
     * Add Notices to be rendered inside the header.
     *
     * @param $notices CnbNotice[]|string[]
     */
    public function notices( $notices ) {
        foreach ( $notices as $notice ) {
            if ( is_string( $notice ) ) {
                $this->info( $notice );

} else {
                $this->notice( $notice );
            }
        }
    }

/**
     * @param $notice CnbNotice
     */
    public function notice( $notice ) {
        $notice = $this->createNotice( $notice->type, $notice->message, $notice->dismissable, $notice->dismiss_option );
        $this->addNotice( $notice );
    }

public function error( $message, $dismiss_option = false ) {
        $notice = $this->createNotice( 'error', $message, false, $dismiss_option );
        $this->addNotice( $notice );
    }

public function renderError( $message, $dismiss_option = false ) {
        $notice = $this->createNotice( 'error', $message, false, $dismiss_option );
        $this->renderNotice( $notice );
    }

public function warning( $message, $dismiss_option = false ) {
        $notice = $this->createNotice( 'warning', $message, false, $dismiss_option );
        $this->addNotice( $notice );
    }

public function renderWarning( $message, $dismiss_option = false ) {
        $notice = $this->createNotice( 'warning', $message, false, $dismiss_option );
        $this->renderNotice( $notice );
    }

public function success( $message, $dismiss_option = false ) {
        $notice = $this->createNotice( 'success', $message, false, $dismiss_option );
        $this->addNotice( $notice );
    }

public function renderSuccess( $message, $dismiss_option = false ) {
        $notice = $this->createNotice( 'success', $message, false, $dismiss_option );
        $this->renderNotice( $notice );
    }

public function info( $message, $dismiss_option = false ) {
        $notice = $this->createNotice( 'info', $message, false, $dismiss_option );
        $this->addNotice( $notice );
    }

public function renderInfo( $message, $dismiss_option = false ) {
        $notice = $this->createNotice( 'info', $message, false, $dismiss_option );
        $this->renderNotice( $notice );
    }

/**
     * @param $type string one of info, success, warning, error
     * @param $message string
     * @param $dismissable boolean
     * @param $dismiss_option boolean
     *
     * @return CnbNotice
     */
    private function createNotice( $type, $message, $dismissable = false, $dismiss_option = false ) {
        $notice                 = new CnbNotice();
        $notice->message        = $message;
        $notice->dismissable    = $dismissable;
        $notice->dismiss_option = $dismiss_option;
        $notice->type           = $type;

return $notice;
    }

/**
     * @param $notice CnbNotice
     */
    private function addNotice( $notice ) {
        $this->admin_notices->{$notice->type}[] = $notice;
    }
}

CANCEL

Name	Type	Size	Modified	Actions
↩ ..	DIR	—	—
📄 CnbAdminNotices.php	PHP	6.4 KB	2022-06-09 15:28	EDIT
📄 CnbNotice.php	PHP	788 B	2022-06-09 15:28	EDIT
📄 CnbNotices.php	PHP	521 B	2022-06-09 15:28	EDIT
📄 index.php	PHP	27 B	2022-06-09 15:28	EDIT