127 lines
		
	
	
		
			3.1 KiB
		
	
	
	
		
			PHP
		
	
	
	
	
	
			
		
		
	
	
			127 lines
		
	
	
		
			3.1 KiB
		
	
	
	
		
			PHP
		
	
	
	
	
	
<?php
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/**
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 * WPSEO plugin file.
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 *
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 * @package WPSEO\Admin\Notifiers
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 */
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/**
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 * Abstract class representing a dismissible notification.
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 */
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abstract class WPSEO_Dismissible_Notification implements WPSEO_Listener, WPSEO_Notification_Handler {
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	/**
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	 * The identifier for the notification.
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	 *
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	 * @var string
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	 */
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	protected $notification_identifier = '';
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	/**
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	 * Retrieves instance of a notification.
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	 *
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	 * @return Yoast_Notification The notification.
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	 */
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	abstract protected function get_notification();
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	/**
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	 * Listens to an argument in the request URL and triggers an action.
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	 *
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	 * @return void
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	 */
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	public function listen() {
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		if ( $this->get_listener_value() !== $this->notification_identifier ) {
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			return;
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		}
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		$this->dismiss();
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	}
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	/**
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	 * Adds the notification if applicable, otherwise removes it.
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	 *
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	 * @param Yoast_Notification_Center $notification_center The notification center object.
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	 *
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	 * @return void
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	 */
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	public function handle( Yoast_Notification_Center $notification_center ) {
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		if ( $this->is_applicable() ) {
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			$notification = $this->get_notification();
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			$notification_center->add_notification( $notification );
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			return;
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		}
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		$notification_center->remove_notification_by_id( 'wpseo-' . $this->notification_identifier );
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	}
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	/**
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	 * Listens to an argument in the request URL and triggers an action.
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	 *
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	 * @return void
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	 */
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	protected function dismiss() {
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		$this->set_dismissal_state();
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		$this->redirect_to_dashboard();
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	}
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	/**
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	 * Checks if a notice is applicable.
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	 *
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	 * @return bool Whether a notice should be shown or not.
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	 */
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	protected function is_applicable() {
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		return $this->is_notice_dismissed() === false;
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	}
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	/**
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	 * Checks whether the notification has been dismissed.
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	 *
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	 * @codeCoverageIgnore
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	 *
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	 * @return bool True when notification is dismissed.
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	 */
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	protected function is_notice_dismissed() {
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		return get_user_meta( get_current_user_id(), 'wpseo-remove-' . $this->notification_identifier, true ) === '1';
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	}
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	/**
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	 * Retrieves the value where listener is listening for.
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	 *
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	 * @codeCoverageIgnore
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	 *
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	 * @return string|null The listener value or null if not set.
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	 */
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	protected function get_listener_value() {
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		// phpcs:ignore WordPress.Security.NonceVerification.Recommended -- Reason: Normally we would need to check for a nonce here but this class is not used anymore.
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		if ( isset( $_GET['yoast_dismiss'] ) && is_string( $_GET['yoast_dismiss'] ) ) {
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			// phpcs:ignore WordPress.Security.NonceVerification.Recommended -- Reason: Normally we would need to check for a nonce here but this class is not used anymore.
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			return sanitize_text_field( wp_unslash( $_GET['yoast_dismiss'] ) );
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		}
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		return null;
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	}
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	/**
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	 * Dismisses the notification.
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	 *
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	 * @codeCoverageIgnore
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	 *
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	 * @return void
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	 */
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	protected function set_dismissal_state() {
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		update_user_meta( get_current_user_id(), 'wpseo-remove-' . $this->notification_identifier, true );
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	}
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	/**
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	 * Redirects the user back to the dashboard.
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	 *
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	 * @codeCoverageIgnore
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	 *
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	 * @return void
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	 */
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	protected function redirect_to_dashboard() {
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		wp_safe_redirect( admin_url( 'admin.php?page=wpseo_dashboard' ) );
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		exit;
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	}
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}
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