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Edit File: AdminNoticesService.php

<?php

namespace SureCart\WordPress\Admin\Notices;

/**
 * Admin notices service
 */
class AdminNoticesService {
	/**
	 * Notice key.
	 *
	 * @var string
	 */
	protected $notice_key = 'surecart_dismissed_notice';

/**
	 * Showing the response notice?
	 *
	 * @var boolean
	 */
	protected $showing_response_notice = false;

/**
	 * Bootstrap notice dismissal.
	 *
	 * @return void
	 */
	public function bootstrap() {
		add_action( 'admin_init', [ $this, 'dismiss' ] );
	}

/**
	 * Reset the notice.
	 *
	 * @param string $name Notice name.
	 *
	 * @return void
	 */
	public function reset( $name ) {
		delete_option( $this->notice_key . '_' . sanitize_text_field( $name ) );
	}

/**
	 * Is the notice dismissed.
	 *
	 * @param string $name Notice name.
	 *
	 * @return boolean
	 */
	public function isDismissed( $name ) {
		return (bool) get_option( $this->notice_key . '_' . sanitize_text_field( $name ), false );
	}

/**
	 * Dismiss the notice.
	 *
	 * @return void
	 */
	public function dismiss() {
		// permissions check.
		if ( ! current_user_can( 'manage_options' ) ) {
			return;
		}

// not our notices, bail.
		if ( ! isset( $_GET['surecart_action'] ) || 'dismiss_notices' !== sanitize_text_field( wp_unslash( $_GET['surecart_action'] ) ) ) {
			return;
		}

// get notice.
		$notice = ! empty( $_GET['surecart_notice'] ) ? sanitize_text_field( wp_unslash( $_GET['surecart_notice'] ) ) : '';
		if ( ! $notice ) {
			return;
		}

// verify nonce.
		if ( ! wp_verify_nonce( sanitize_text_field( $_GET['surecart_nonce'] ), 'surecart_notice_nonce' ) ) {
			wp_die( esc_html__( 'Your session expired - please try again.', 'surecart' ) );
			exit;
		}

// notice is dismissed.
		update_option( $this->notice_key . '_' . sanitize_text_field( $notice ), 1 );
	}

/**
	 * Show the response notice.
	 *
	 * @param array $notice Notice data to show.
	 *
	 * @return void
	 */
	public function showResponseNotice( $notice = [] ) {
		// already showing it.
		if ( $this->showing_response_notice ) {
			return;
		}

// phpcs:disable WordPress.PHP.DiscouragedPHPFunctions.obfuscation_base64_decode
		$notice_data = json_decode( base64_decode( implode( '', (array) $notice ) ) );
		if ( empty( $notice_data->message ) ) {
			return;
		}

$this->showing_response_notice = true;

add_action(
			'admin_notices',
			function () use ( $notice_data ) {
				echo wp_kses_post(
					$this->render(
						[
							'name'  => 'update_notice_' . \SureCart::plugin()->version(),
							'type'  => sanitize_text_field( $notice_data->type ),
							'title' => esc_html__( 'SureCart', 'surecart' ),
							'text'  => wp_kses_post( $notice_data->message ),
						]
					)
				);
			}
		);
	}

/**
	 * Add the notice.
	 *
	 * @return void
	 */
	public function add( $notice_data ) {
		add_action(
			'admin_notices',
			function () use ( $notice_data ) {
				echo wp_kses_post(
					$this->render( $notice_data )
				);
			}
		);
	}

/**
	 * Render the notice
	 *
	 * @return string
	 */
	public function render( $args = [] ) {
		$args = wp_parse_args(
			$args,
			[
				'title' => '',
				'type'  => 'info',
				'text'  => '',
				'name'  => '',
			]
		);

if ( $this->isDismissed( $args['name'] ) ) {
			return '';
		}

ob_start(); ?>

<div class="notice notice-<?php echo sanitize_html_class( $args['type'] ); ?>" style="position:relative">
			<p>
				<strong>
					<?php echo esc_html( $args['title'] ); ?>
				</strong>
			</p>

<?php echo wp_kses_post( $args['text'] ); ?>

<?php if ( ! empty( $args['name'] ) ) : ?>
				<a href="
				<?php
					echo esc_url(
						add_query_arg(
							[
								'surecart_action' => 'dismiss_notices',
								'surecart_notice' => sanitize_text_field( $args['name'] ),
								'surecart_nonce'  => \wp_create_nonce( 'surecart_notice_nonce' ),
							]
						)
					);
				?>
				" type="button" class="notice-dismiss" style="text-decoration:none;"><span class="screen-reader-text">Dismiss this notice.</span></a>

<?php endif; ?>
		</div>

<?php
		return ob_get_clean();
	}
}

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