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Filename : class-notices.php
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<?php
/**
 * Admin Notices Class.
 *
 * @package     Give
 * @subpackage  Admin/Notices
 * @copyright   Copyright (c) 2016, GiveWP
 * @license     https://opensource.org/licenses/gpl-license GNU Public License
 * @since       1.8.9
 */

// Exit if accessed directly.
if ( ! defined( 'ABSPATH' ) ) {
	exit;
}

/**
 * Give_Notices Class
 *
 * @since 1.8.9
 */
class Give_Notices {
	/**
	 * List of notices
	 *
	 * @var array
	 * @since  1.8.9
	 * @access private
	 */
	private static $notices = [];


	/**
	 * Flag to check if any notice auto dismissible among all notices
	 *
	 * @since  1.8.9
	 * @access private
	 * @var bool
	 */
	private static $has_auto_dismissible_notice = false;

	/**
	 * Flag to check if any notice has dismiss interval among all notices
	 *
	 * @since  1.8.9
	 * @access private
	 * @var bool
	 */
	private static $has_dismiss_interval_notice = false;

	/**
	 * Get things started.
	 *
	 * @since 1.8.9
	 */
	public function __construct() {
		add_action( 'admin_notices', [ $this, 'render_admin_notices' ], 999 );
		add_action( 'admin_footer', [ $this, '__reveal_notices' ] );
		add_action( 'give_dismiss_notices', [ $this, 'dismiss_notices' ] );

		add_action( 'give_frontend_notices', [ $this, 'render_frontend_notices' ], 999 );
		add_action( 'give_pre_form_output', [ $this, 'render_frontend_form_notices' ], 10, 1 );
		add_action( 'give_ajax_donation_errors', [ $this, 'render_frontend_notices' ] );

		/**
		 * Backward compatibility for deprecated params.
		 *
		 * @since 1.8.14
		 */
		add_filter( 'give_register_notice_args', [ $this, 'bc_deprecated_params' ] );
		add_filter( 'give_frontend_errors_args', [ $this, 'bc_deprecated_params' ] );
		add_filter( 'give_frontend_notice_args', [ $this, 'bc_deprecated_params' ] );
	}

	/**
	 * Add backward compatibility to deprecated params.
	 *
	 * @since  1.8.14
	 * @access public
	 *
	 * @param array $args Array of notice params
	 *
	 * @return array
	 */
	public function bc_deprecated_params( $args ) {
		/**
		 *  Param: auto_dismissible
		 *  deprecated in 1.8.14
		 *
		 *  Check if auto_dismissible is set and it true then unset and change dismissible parameter value to auto
		 */
		if ( isset( $args['auto_dismissible'] ) ) {
			if ( ! empty( $args['auto_dismissible'] ) ) {
				$args['dismissible'] = 'auto';
			}
			// unset auto_dismissible as it has been deprecated.
			unset( $args['auto_dismissible'] );
		}

		return $args;
	}

	/**
	 * Register notice.
	 *
	 * @since  1.8.9
	 * @access public
	 *
	 * @param $notice_args
	 *
	 * @return bool
	 */
	public function register_notice( $notice_args ) {
		// Bailout.
		if ( empty( $notice_args['id'] ) || array_key_exists( $notice_args['id'], self::$notices ) ) {
			return false;
		}

		$notice_args = wp_parse_args(
			$notice_args,
			[
				'id'                    => '',
				'description'           => '',

				/*
				 * Add custom notice html
				 * Note: This param has more priority than description, so if you use both params then this one will be used
				 *       for generating notice html. Most features of the notice attach to core generated html, so if you set
				 *       custom html then please add required classes and data attribute which help to apply features on notice.
				 *
				 * @since 1.8.16
				 */
				'description_html'      => '',

				/*
				 * Add New Parameter and remove the auto_dismissible parameter.
				 * Value: auto/true/false
				 *
				 * @since 1.8.14
				 */
				'dismissible'           => true,

				// Value: error/warning/success/info/updated
				'type'                  => 'error',

				// Value: null/user/all
				'dismissible_type'      => null,

				// Value: shortly/permanent/null/custom
				'dismiss_interval'      => null,

				// Only set it when custom is defined.
				'dismiss_interval_time' => null,

			]
		);

		/**
		 * Filter to modify Notice args before it get add
		 *
		 * @since 1.8.14
		 */
		$notice_args = apply_filters( 'give_register_notice_args', $notice_args );

		// Set extra dismiss links if any.
		if ( false !== strpos( $notice_args['description'], 'data-dismiss-interval' ) ) {

			preg_match_all( '/data-([^"]*)="([^"]*)"/', $notice_args['description'], $extra_notice_dismiss_link );

			if ( ! empty( $extra_notice_dismiss_link ) ) {
				$extra_notice_dismiss_links = array_chunk( current( $extra_notice_dismiss_link ), 3 );
				foreach ( $extra_notice_dismiss_links as $extra_notice_dismiss_link ) {
					// Create array of key ==> value by parsing query string created after renaming data attributes.
					$data_attribute_query_str = str_replace(
						[ 'data-', '-', '"' ],
						[
							'',
							'_',
							'',
						],
						implode( '&', $extra_notice_dismiss_link )
					);

					$notice_args['extra_links'][] = wp_parse_args( $data_attribute_query_str );
				}
			}
		}

		self::$notices[ $notice_args['id'] ] = $notice_args;

		// Auto set show param if not already set.
		if ( ! isset( self::$notices[ $notice_args['id'] ]['show'] ) ) {
			self::$notices[ $notice_args['id'] ]['show'] = $this->is_notice_dismissed( $notice_args ) ? false : true;
		}

		// Auto set time interval for shortly.
		if ( 'shortly' === self::$notices[ $notice_args['id'] ]['dismiss_interval'] ) {
			self::$notices[ $notice_args['id'] ]['dismiss_interval_time'] = DAY_IN_SECONDS;
		}

		return true;
	}

	/**
	 * Display notice.
	 *
	 * @since 1.8.9
	 */
	public function render_admin_notices() {
		/* @var WP_Screen $wp_screen */
		$wp_screen = get_current_screen();

		// Bailout.
		if ( empty( self::$notices ) ) {
			return;
		}

		// Do not render notices on Gutenberg editor page.
		if (
			method_exists( $wp_screen, 'is_block_editor' )
			&& $wp_screen->is_block_editor()
		) {
			return;
		}

		// Do not render notices on these pages as well.
		// We don't want to annoy admins with notices on important screens like WP or GiveWP updates, etc.
		if (
			'update-core' === $wp_screen->id
			|| 'give_forms_page_give-addons' === $wp_screen->id
			|| 'give_forms_page_give-updates' === $wp_screen->id
		) {
			return;
		}

		$output = '';

		foreach ( self::$notices as $notice_id => $notice ) {
			// Check flag set to true to show notice.
			if ( ! $notice['show'] ) {
				continue;
			}

			// Render custom html.
			if ( ! empty( $notice['description_html'] ) ) {
				$output .= "{$notice['description_html']} \n";
				continue;
			}

			// Check if notice dismissible or not.
			if ( ! self::$has_auto_dismissible_notice ) {
				self::$has_auto_dismissible_notice = ( 'auto' === $notice['dismissible'] );
			}

			// Check if notice dismissible or not.
			if ( ! self::$has_dismiss_interval_notice ) {
				self::$has_dismiss_interval_notice = $notice['dismiss_interval'];
			}

			$css_id = ( false === strpos( $notice['id'], 'give' ) ? "give-{$notice['id']}" : $notice['id'] );

			$css_class = 'give-notice notice ' . ( empty( $notice['dismissible'] ) ? 'non' : 'is' ) . "-dismissible {$notice['type']} notice-{$notice['type']}";
			$output   .= sprintf(
				'<div id="%1$s" class="%2$s" data-dismissible="%3$s" data-dismissible-type="%4$s" data-dismiss-interval="%5$s" data-notice-id="%6$s" data-security="%7$s" data-dismiss-interval-time="%8$s" style="display: none">' . " \n",
				$css_id,
				$css_class,
				give_clean( $notice['dismissible'] ),
				$notice['dismissible_type'],
				$notice['dismiss_interval'],
				$notice['id'],
				empty( $notice['dismissible_type'] ) ? '' : wp_create_nonce( "give_edit_{$notice_id}_notice" ),
				$notice['dismiss_interval_time']
			);

			$output .= ( 0 === strpos( $notice['description'], '<div' ) || 0 === strpos( $notice['description'], '<p' ) ? $notice['description'] : "<p>{$notice['description']}</p>" );
			$output .= "</div> \n";
		}

		echo $output;

		$this->print_js();
	}


    /**
     * Render give frontend notices.
     *
     * @since 3.1.0 Render errors on Ajax request (Donation form validation - v2 forms)
     * @since 2.32.0 Display registered error on donation form.
     * @since  1.8.9
     * @access public
     *
     * @param int $form_id
     */
    public function render_frontend_notices($form_id = 0)
    {
        $errors = give_get_errors();

        $request_form_id = isset($_REQUEST['form-id']) ? absint($_REQUEST['form-id']) : 0;

        // Sanity checks first:
        // - Ensure that gateway returned errors display on the appropriate form.
        // - Error should exist.
        if (! $errors || ($request_form_id && $request_form_id !== $form_id)) {
            return;
        }

        self::print_frontend_errors($errors);
        give_clear_errors();
    }

	/**
	 * Renders notices for different actions depending on
	 * the type of form display option.
	 *
	 * @since 2.2
	 * @access public
	 *
	 * @param int $form_id Form ID.
	 *
	 * @return void
	 */
	public function render_frontend_form_notices( $form_id ) {
		$display_option = give_get_meta( $form_id, '_give_payment_display', true );

		if ( 'modal' === $display_option ) {
			add_action( 'give_payment_mode_top', [ $this, 'render_frontend_notices' ] );
		} else {
			add_action( 'give_pre_form', [ $this, 'render_frontend_notices' ], 11 );
		}
	}

	/**
	 * Print notice js.
	 *
	 * @since  1.8.9
	 * @access private
	 */
	private function print_js() {
		if ( self::$has_auto_dismissible_notice ) :
			?>
			<script>
				jQuery(document).ready(function () {
					// auto hide setting message in 5 seconds.
					window.setTimeout(
						function () {
							jQuery('.give-notice[data-dismissible="auto"]').slideUp();
						},
						5000
					);
				})
			</script>
			<?php
		endif;

		if ( self::$has_dismiss_interval_notice ) :
			?>
			<script>
				jQuery(document).ready(function () {
					var $body = jQuery('body');

					$body.on('click', '.give_dismiss_notice', function (e) {
						var $parent            = jQuery(this).parents('.give-notice'),
							custom_notice_data = {
								'dismissible_type': jQuery(this).data('dismissible-type'),
								'dismiss_interval': jQuery(this).data('dismiss-interval'),
								'dismiss_interval_time': jQuery(this).data('dismiss-interval-time')
							};

						$parent.find('button.notice-dismiss').trigger('click', [custom_notice_data]);
						return false;
					});

					$body.on('click', 'button.notice-dismiss', function (e, custom_notice_data) {
						var $parent            = jQuery(this).parents('.give-notice'),
							custom_notice_data = custom_notice_data || {};

						e.preventDefault();

						var data = {
							'give-action': 'dismiss_notices',
							'notice_id': $parent.data('notice-id'),
							'dismissible_type': $parent.data('dismissible-type'),
							'dismiss_interval': $parent.data('dismiss-interval'),
							'dismiss_interval_time': $parent.data('dismiss-interval-time'),
							'_wpnonce': $parent.data('security')
						};

						if (Object.keys(custom_notice_data).length) {
							jQuery.extend(data, custom_notice_data);
						}

						// Bailout.
						if (
							!data.dismiss_interval ||
							!data.dismissible_type
						) {
							return false;
						}

						jQuery.post(
							'<?php echo admin_url(); ?>admin-ajax.php',
							data,
							function (response) {

							})
					})
				});
			</script>
			<?php
		endif;
	}

	/**
	 * Show notices
	 * Note: only for internal use
	 *
	 * @since 2.3.0
	 */
	public function __reveal_notices() {
		?>
		<script>
			jQuery(document).ready(function($){
				// Fix notice appearance issue.
				var give_notices = $('.give-notice');
				if( give_notices.length ) {
					give_notices.show();
				}
			});
		</script>
		<?php
	}


	/**
	 * Hide notice.
	 *
	 * @since  1.8.9
	 * @access public
	 */
	public function dismiss_notices() {
		$_post     = give_clean( $_POST );
		$notice_id = esc_attr( $_post['notice_id'] );

		// Bailout.
		if (
			empty( $notice_id ) ||
			empty( $_post['dismissible_type'] ) ||
			empty( $_post['dismiss_interval'] ) ||
			! check_ajax_referer( "give_edit_{$notice_id}_notice", '_wpnonce' )
		) {
			wp_send_json_error();
		}

		$notice_key = Give()->notices->get_notice_key( $notice_id, $_post['dismiss_interval'] );
		if ( 'user' === $_post['dismissible_type'] ) {
			$current_user = wp_get_current_user();
			$notice_key   = Give()->notices->get_notice_key( $notice_id, $_post['dismiss_interval'], $current_user->ID );
		}

		$notice_dismiss_time = ! empty( $_post['dismiss_interval_time'] ) ? $_post['dismiss_interval_time'] : null;

		// Save option to hide notice.
		Give_Cache::set( $notice_key, true, $notice_dismiss_time, true );

		/**
		 * Fire the action when notice dismissed
		 *
		 * @since 2.2.0
		 */
		do_action( 'give_notice_dismissed', $_post );

		wp_send_json_success();
	}


	/**
	 * Get notice key.
	 *
	 * @since  1.8.9
	 * @access public
	 *
	 * @param string $notice_id
	 * @param string $dismiss_interval
	 * @param int    $user_id
	 *
	 * @return string
	 */
	public function get_notice_key( $notice_id, $dismiss_interval = null, $user_id = 0 ) {
		$notice_key = "_give_notice_{$notice_id}";

		if ( ! empty( $dismiss_interval ) ) {
			$notice_key .= "_{$dismiss_interval}";
		}

		if ( $user_id ) {
			$notice_key .= "_{$user_id}";
		}

		$notice_key = sanitize_key( $notice_key );

		return $notice_key;
	}


	/**
	 * Get notice dismiss link.
	 *
	 * @param $notice_args
	 *
	 * @return string
	 */
	public function get_dismiss_link( $notice_args ) {
		$notice_args = wp_parse_args(
			$notice_args,
			[
				'title'                 => __( 'Click here', 'give' ),
				'dismissible_type'      => '',
				'dismiss_interval'      => '',
				'dismiss_interval_time' => null,
			]
		);

		return sprintf(
			'<a href="#" class="give_dismiss_notice" data-dismissible-type="%1$s" data-dismiss-interval="%2$s" data-dismiss-interval-time="%3$s">%4$s</a>',
			$notice_args['dismissible_type'],
			$notice_args['dismiss_interval'],
			$notice_args['dismiss_interval_time'],
			$notice_args['title']
		);
	}


	/**
	 * Check if notice dismissed or not
	 *
	 * @since  1.8.9
	 * @access public
	 *
	 * @param array $notice
	 *
	 * @return bool|null
	 */
	public function is_notice_dismissed( $notice ) {
		$notice_key          = $this->get_notice_key( $notice['id'], $notice['dismiss_interval'] );
		$is_notice_dismissed = false;

		if ( 'user' === $notice['dismissible_type'] ) {
			$current_user = wp_get_current_user();
			$notice_key   = Give()->notices->get_notice_key( $notice['id'], $notice['dismiss_interval'], $current_user->ID );
		}

		$notice_data = Give_Cache::get( $notice_key, true );

		// Find notice dismiss link status if notice has extra dismissible links.
		if ( ( empty( $notice_data ) || is_wp_error( $notice_data ) ) && ! empty( $notice['extra_links'] ) ) {

			foreach ( $notice['extra_links'] as $extra_link ) {
				$new_notice_data = wp_parse_args( $extra_link, $notice );
				unset( $new_notice_data['extra_links'] );

				if ( $is_notice_dismissed = $this->is_notice_dismissed( $new_notice_data ) ) {
					return $is_notice_dismissed;
				}
			}
		}

		$is_notice_dismissed = ! empty( $notice_data ) && ! is_wp_error( $notice_data );

		return $is_notice_dismissed;
	}


	/**
	 * Print frontend errors.
	 *
	 * @since  1.8.9
	 * @access public
	 *
	 * @param array $errors
	 */
	public static function print_frontend_errors( $errors ) {
		// Bailout.
		if ( ! $errors ) {
			return;
		}

		/**
		 * Change auto_dismissible to dismissible and set the value to true
		 *
		 * @since 1.8.14
		 */
		$default_notice_args = [
			'dismissible'      => true,
			'dismiss_interval' => 5000,
		];

		// Note: we will remove give_errors class in future.
		$classes = apply_filters( 'give_error_class', [ 'give_notices', 'give_errors' ] );

		echo sprintf( '<div class="%s">', implode( ' ', $classes ) );

		// Loop error codes and display errors.
		foreach ( $errors as $error_id => $error ) {
			// Backward compatibility v<1.8.11
			if ( is_string( $error ) ) {
				$error = [
					'message'     => $error,
					'notice_args' => [],
				];
			}

			$notice_args = wp_parse_args( $error['notice_args'], $default_notice_args );

			/**
			 * Filter to modify Frontend Errors args before errors is display.
			 *
			 * @since 1.8.14
			 */
			$notice_args = apply_filters( 'give_frontend_errors_args', $notice_args );

			echo sprintf(
				'<div class="give_error give_notice" id="give_error_%1$s" data-dismissible="%2$s" data-dismiss-interval="%3$d">
						<p><strong>%4$s</strong>: %5$s</p>
					</div>',
				$error_id,
				give_clean( $notice_args['dismissible'] ),
				absint( $notice_args['dismiss_interval'] ),
				esc_html__( 'Error', 'give' ),
				$error['message']
			);
		}

		echo '</div>';
	}

	/**
	 * Print frontend notice.
	 * Notice: notice type can be success/error/warning
	 *
     * @since 3.7.0 Escape attributes
	 * @since  1.8.9
	 * @access public
	 *
	 * @param string $message
	 * @param bool   $echo
	 * @param string $notice_type
	 * @param array  $notice_args
	 *
	 * @return  string
	 */
	public static function print_frontend_notice( $message, $echo = true, $notice_type = 'warning', $notice_args = [] ) {
		if ( empty( $message ) ) {
			return '';
		}

		/**
		 * Change auto_dismissible to dismissible and set the value to true
		 *
		 * @since 1.8.14
		 */
		$default_notice_args = [
			'dismissible'      => false,
			'dismiss_type'     => 'auto',
			'dismiss_interval' => 5000,
		];

		$notice_args = wp_parse_args( $notice_args, $default_notice_args );

		// Notice dismissible must be true for dismiss type.
		$notice_args['dismiss_type'] = ! $notice_args['dismissible'] ? '' : $notice_args['dismiss_type'];

		/**
		 * Filter to modify Frontend notice args before notices is display.
		 *
		 * @since 1.8.14
		 */
		$notice_args = apply_filters( 'give_frontend_notice_args', $notice_args );

		$close_icon = 'manual' === $notice_args['dismiss_type'] ?
			sprintf(
				'<img class="notice-dismiss give-notice-close" src="%s" />',
				esc_url( GIVE_PLUGIN_URL . 'build/assets/dist/images/close.svg' )
			) :
			'';

		// Note: we will remove give_errors class in future.
		$error = sprintf(
			'<div class="give_notices give_errors" id="give_error_%1$s">
						<p class="give_notice give_%1$s" data-dismissible="%2$s" data-dismiss-interval="%3$d" data-dismiss-type="%4$s">
							%5$s
						</p>
						%6$s
					</div>',
			esc_attr($notice_type),
			esc_attr( $notice_args['dismissible'] ),
			esc_attr( $notice_args['dismiss_interval'] ),
			esc_attr( $notice_args['dismiss_type'] ),
			esc_html($message),
			$close_icon
		);

		if ( ! $echo ) {
			return $error;
		}

		echo $error;
	}

	/**
	 * Print Inline Notice.
	 * Note: dismissible feature will note work if notice will add to dom by javascript after document load.
	 *
	 * @param array $notice_args An array of notice arguments.
	 *
	 * @todo   Implement render_admin_notices function within this function in future.
	 *
	 * @access public
	 * @since  1.8.17
	 *
	 * @return string
	 */
	public function print_admin_notices( $notice_args = [] ) {
		// Bailout.
		if ( empty( $notice_args['description'] ) ) {
			return '';
		}

		$defaults    = [
			'id'          => '',
			'echo'        => true,
			'notice_type' => 'warning',
			'dismissible' => true,
		];
		$notice_args = wp_parse_args( $notice_args, $defaults );

		$output     = '';
		$css_id     = ! empty( $notice_args['id'] ) ? $notice_args['id'] : uniqid( 'give-inline-notice-' );
		$css_class  = "notice-{$notice_args['notice_type']} give-notice notice inline";
		$css_class .= ( $notice_args['dismissible'] ) ? ' is-dismissible' : '';
		$output    .= sprintf(
			'<div id="%1$s" class="%2$s"><p>%3$s</p></div>',
			$css_id,
			$css_class,
			$notice_args['description']
		);

		if ( ! $notice_args['echo'] ) {
			return $output;
		}

		echo $output;
	}
}