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<?php namespace Yoast\WP\Duplicate_Post\Handlers; use WP_Post; use Yoast\WP\Duplicate_Post\Permissions_Helper; use Yoast\WP\Duplicate_Post\Utils; /** * Duplicate Post handler class for changes overview. * * Represents the handler for checking the changes between a copy and the original post. * * @since 4.0 */ class Check_Changes_Handler { /** * Holds the permissions helper. * * @var Permissions_Helper */ protected $permissions_helper; /** * Holds the current post object. * * @var WP_Post */ private $post; /** * Holds the original post object. * * @var WP_Post */ private $original; /** * Initializes the class. * * @param Permissions_Helper $permissions_helper The Permissions Helper object. */ public function __construct( Permissions_Helper $permissions_helper ) { $this->permissions_helper = $permissions_helper; } /** * Adds hooks to integrate with WordPress. * * @return void */ public function register_hooks() { \add_action( 'admin_action_duplicate_post_check_changes', [ $this, 'check_changes_action_handler' ] ); } /** * Handles the action for displaying the changes between a copy and the original. * * @return void */ public function check_changes_action_handler() { global $wp_version; if ( ! ( isset( $_GET['post'] ) || isset( $_POST['post'] ) || ( isset( $_REQUEST['action'] ) && $_REQUEST['action'] === 'duplicate_post_check_changes' ) ) ) { \wp_die( \esc_html__( 'No post has been supplied!', 'duplicate-post' ) ); return; } $id = ( isset( $_GET['post'] ) ? \intval( \wp_unslash( $_GET['post'] ) ) : \intval( \wp_unslash( $_POST['post'] ) ) ); \check_admin_referer( 'duplicate_post_check_changes_' . $id ); $this->post = \get_post( $id ); if ( ! $this->post ) { \wp_die( \esc_html( \sprintf( /* translators: %s: post ID. */ \__( 'Changes overview failed, could not find post with ID %s.', 'duplicate-post' ), $id ) ) ); return; } $this->original = Utils::get_original( $this->post ); if ( ! $this->original ) { \wp_die( \esc_html( \__( 'Changes overview failed, could not find original post.', 'duplicate-post' ) ) ); return; } $post_edit_link = \get_edit_post_link( $this->post->ID ); $this->require_wordpress_header(); ?> <div class="wrap"> <h1 class="long-header"> <?php echo \sprintf( /* translators: %s: original item link (to view or edit) or title. */ \esc_html__( 'Compare changes of duplicated post with the original (“%s”)', 'duplicate-post' ), Utils::get_edit_or_view_link( $this->original ) // phpcs:ignore WordPress.Security.EscapeOutput ); ?> </h1> <a href="<?php echo \esc_url( $post_edit_link ); ?>"><?php \esc_html_e( '← Return to editor', 'duplicate-post' ); ?></a> <div class="revisions"> <div class="revisions-control-frame"> <div class="revisions-controls"></div> </div> <div class="revisions-diff-frame"> <div class="revisions-diff"> <div class="diff"> <?php $fields = [ 'post_title' => \__( 'Title', 'duplicate-post' ), 'post_content' => \__( 'Content', 'duplicate-post' ), 'post_excerpt' => \__( 'Excerpt', 'duplicate-post' ), ]; $args = [ 'show_split_view' => true, 'title_left' => \__( 'Removed', 'duplicate-post' ), 'title_right' => \__( 'Added', 'duplicate-post' ), ]; if ( \version_compare( $wp_version, '5.7' ) < 0 ) { unset( $args['title_left'] ); unset( $args['title_right'] ); } $post_array = \get_post( $this->post, \ARRAY_A ); /** This filter is documented in wp-admin/includes/revision.php */ // phpcs:ignore WordPress.NamingConventions.PrefixAllGlobals.NonPrefixedHooknameFound -- Reason: using WP core hook. $fields = \apply_filters( '_wp_post_revision_fields', $fields, $post_array ); foreach ( $fields as $field => $name ) { /** This filter is documented in wp-admin/includes/revision.php */ // phpcs:ignore WordPress.NamingConventions.PrefixAllGlobals.NonPrefixedHooknameFound -- Reason: using WP core hook. $content_from = \apply_filters( "_wp_post_revision_field_{$field}", $this->original->$field, $field, $this->original, 'from' ); /** This filter is documented in wp-admin/includes/revision.php */ // phpcs:ignore WordPress.NamingConventions.PrefixAllGlobals.NonPrefixedHooknameFound -- Reason: using WP core hook. $content_to = \apply_filters( "_wp_post_revision_field_{$field}", $this->post->$field, $field, $this->post, 'to' ); $diff = \wp_text_diff( $content_from, $content_to, $args ); if ( ! $diff && $field === 'post_title' ) { // It's a better user experience to still show the Title, even if it didn't change. $diff = '<table class="diff"><colgroup><col class="content diffsplit left"><col class="content diffsplit middle"><col class="content diffsplit right"></colgroup><tbody><tr>'; $diff .= '<td>' . \esc_html( $this->original->post_title ) . '</td><td></td><td>' . \esc_html( $this->post->post_title ) . '</td>'; $diff .= '</tr></tbody>'; $diff .= '</table>'; } if ( $diff ) { ?> <h3><?php echo \esc_html( $name ); ?></h3> <?php echo $diff; // phpcs:ignore WordPress.Security.EscapeOutput } } ?> </div> </div> </div> </div> </div> <?php $this->require_wordpress_footer(); } /** * Requires the WP admin header. * * @codeCoverageIgnore * * @return void */ public function require_wordpress_header() { global $post; \set_current_screen( 'revision' ); // phpcs:ignore WordPress.WP.GlobalVariablesOverride.Prohibited -- The revision screen expects $post to be set. $post = $this->post; require_once \ABSPATH . 'wp-admin/admin-header.php'; } /** * Requires the WP admin footer. * * @codeCoverageIgnore * * @return void */ public function require_wordpress_footer() { require_once \ABSPATH . 'wp-admin/admin-footer.php'; } }