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<?php

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/**

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* Manage popup prevews.

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* @package PopupMaker

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if ( ! defined( 'ABSPATH' ) ) {

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exit;

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}

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/**

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* Class PUM_Previews

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* This class sets up the necessary changes to allow admins & editors to preview popups on the front end.

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class PUM_Previews {

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/**

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* Initiator method.

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public static function init() {

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add_action( 'template_redirect', [ __CLASS__, 'force_load_preview' ] );

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add_filter( 'pum_popup_is_loadable', [ __CLASS__, 'is_loadable' ], 1000, 2 );

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add_filter( 'pum_popup_data_attr', [ __CLASS__, 'data_attr' ], 1000, 2 );

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add_filter( 'pum_popup_get_public_settings', [ __CLASS__, 'get_public_settings' ], 1000, 2 );

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}

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/**

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* Get popup id for previewing.

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* @return false|int

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public static function get_popup_preview() {

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static $preview_id;

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if ( isset( $preview_id ) ) {

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return $preview_id;

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}

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$preview_id = false;

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if (

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! isset( $_GET['popup_preview'] ) ||

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! isset( $_GET['popup'] ) ||

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// Overridden as wp_verify_nonce is already safe: https://github.com/WordPress/WordPress-Coding-Standards/issues/869#issuecomment-611782416.

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// phpcs:ignore WordPress.Security.ValidatedSanitizedInput.MissingUnslash, WordPress.Security.ValidatedSanitizedInput.InputNotSanitized

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! wp_verify_nonce( $_GET['popup_preview'], 'popup-preview' )

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) {

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return false;

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}

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$popup_id = sanitize_text_field( wp_unslash( $_GET['popup'] ) );

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if ( is_numeric( $_GET['popup'] ) && absint( $_GET['popup'] ) > 0 ) {

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$preview_id = absint( $_GET['popup'] );

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} else {

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$post = get_page_by_path( $popup_id, OBJECT, 'popup' );

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$preview_id = $post->ID;

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}

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return $preview_id;

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}

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/**

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* Sets the Popup Post Type public arg to true for content editors.

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* This enables them to use the built in preview links.

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* @param int $popup_id Popup ID.

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* @return bool

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private static function is_previewing_popup( $popup_id = 0 ) {

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if ( defined( 'DOING_AJAX' ) && DOING_AJAX ) {

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return false;

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}

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$preview_id = static::get_popup_preview();

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return $popup_id === $preview_id && current_user_can( 'edit_post', $preview_id );

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}

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/**

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* Force popup to load no matter its status if its supposed to be previewed.

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public static function force_load_preview() {

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$preview_id = static::get_popup_preview();

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$popup = pum_get_popup( $preview_id );

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if ( $popup->is_valid() && $preview_id === $popup->ID ) {

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PUM_Site_Popups::preload_popup( $popup );

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}

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}

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/**

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* For popup previews this will force only the correct popup to load.

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* @param bool $loadable Is popup loadable.

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* @param int $popup_id Popup ID.

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* @return bool

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public static function is_loadable( $loadable, $popup_id ) {

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return self::is_previewing_popup( $popup_id ) ? true : $loadable;

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}

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/**

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* On popup previews add an admin debug trigger.

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* @deprecated 1.16.10 Use get_public_settings instead.

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* @param array $data_attr Array of popup data attributes.

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* @param int $popup_id Popup ID.

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* @return mixed

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public static function data_attr( $data_attr, $popup_id ) {

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if ( ! self::is_previewing_popup( $popup_id ) ) {

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return $data_attr;

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}

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$data_attr['triggers'] = [

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[

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'type' => 'admin_debug',

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];

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return $data_attr;

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}

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/**

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* On popup previews add an admin debug trigger.

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* @param array $settings Array of settigs.

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* @param PUM_Model_Popup $popup Popup model object.

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* @return array

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public static function get_public_settings( $settings, $popup ) {

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if ( ! self::is_previewing_popup( $popup->ID ) ) {

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return $settings;

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}

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$settings['triggers'] = [

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[

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'type' => 'admin_debug',

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];

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return $settings;

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}

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}

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