<?php

/**

 * Edit post administration panel.

 *

 * Manage Post actions: post, edit, delete, etc.

 *

 * @package WordPress

 * @subpackage Administration

 */

/** WordPress Administration Bootstrap */

require_once __DIR__ . '/admin.php';

$parent_file  = 'edit.php';

$submenu_file = 'edit.php';

$action = ! empty( $_REQUEST['action'] ) ? sanitize_text_field( $_REQUEST['action'] ) : '';

if ( isset( $_GET['post'] ) && isset( $_POST['post_ID'] ) && (int) $_GET['post'] !== (int) $_POST['post_ID'] ) {

	wp_die( __( 'A post ID mismatch has been detected.' ), __( 'Sorry, you are not allowed to edit this item.' ), 400 );

} elseif ( isset( $_GET['post'] ) ) {

	$post_id = (int) $_GET['post'];

} elseif ( isset( $_POST['post_ID'] ) ) {

	$post_id = (int) $_POST['post_ID'];

} else {

	$post_id = 0;

}

$post_ID = $post_id;

/**

 * @global string       $post_type        Global post type.

 * @global WP_Post_Type $post_type_object Global post type object.

 * @global WP_Post      $post             Global post object.

 */

global $post_type, $post_type_object, $post;

if ( $post_id ) {

	$post = get_post( $post_id );

}

if ( $post ) {

	$post_type        = $post->post_type;

	$post_type_object = get_post_type_object( $post_type );

}

if ( isset( $_POST['post_type'] ) && $post && $post_type !== $_POST['post_type'] ) {

	wp_die( __( 'A post type mismatch has been detected.' ), __( 'Sorry, you are not allowed to edit this item.' ), 400 );

}

if ( isset( $_POST['deletepost'] ) ) {

	$action = 'delete';

} elseif ( isset( $_POST['wp-preview'] ) && 'dopreview' === $_POST['wp-preview'] ) {

	$action = 'preview';

}

$sendback = wp_get_referer();

if ( ! $sendback ||

	str_contains( $sendback, 'post.php' ) ||

	str_contains( $sendback, 'post-new.php' ) ) {

	if ( 'attachment' === $post_type ) {

		$sendback = admin_url( 'upload.php' );

	} else {

		$sendback = admin_url( 'edit.php' );

		if ( ! empty( $post_type ) ) {

			$sendback = add_query_arg( 'post_type', $post_type, $sendback );

		}

	}

} else {

	$sendback = remove_query_arg( array( 'trashed', 'untrashed', 'deleted', 'ids' ), $sendback );

}

switch ( $action ) {

	case 'post-quickdraft-save':

		// Check nonce and capabilities.

		$nonce     = $_REQUEST['_wpnonce'];

		$error_msg = false;

		// For output of the Quick Draft dashboard widget.

		require_once ABSPATH . 'wp-admin/includes/dashboard.php';

		if ( ! wp_verify_nonce( $nonce, 'add-post' ) ) {

			$error_msg = __( 'Unable to submit this form, please refresh and try again.' );

		}

		if ( ! current_user_can( get_post_type_object( 'post' )->cap->create_posts ) ) {

			exit;

		}

		if ( $error_msg ) {

			return wp_dashboard_quick_press( $error_msg );

		}

		$post = get_post( $_REQUEST['post_ID'] );

		check_admin_referer( 'add-' . $post->post_type );

		$_POST['comment_status'] = get_default_comment_status( $post->post_type );

		$_POST['ping_status']    = get_default_comment_status( $post->post_type, 'pingback' );

		// Wrap Quick Draft content in the Paragraph block.

		if ( ! str_contains( $_POST['content'], '<!-- wp:paragraph -->' ) ) {

			$_POST['content'] = sprintf(

				'<!-- wp:paragraph -->%s<!-- /wp:paragraph -->',

				str_replace( array( "\r\n", "\r", "\n" ), '<br />', $_POST['content'] )

			);

		}

		edit_post();

		wp_dashboard_quick_press();

		exit;

	case 'postajaxpost':

	case 'post':

		check_admin_referer( 'add-' . $post_type );

		$post_id = 'postajaxpost' === $action ? edit_post() : write_post();

		redirect_post( $post_id );

		exit;

	case 'edit':

		$editing = true;

		if ( empty( $post_id ) ) {

			wp_redirect( admin_url( 'post.php' ) );

			exit;

		}

		if ( ! $post ) {

			wp_die( __( 'You attempted to edit an item that does not exist. Perhaps it was deleted?' ) );

		}

		if ( ! $post_type_object ) {

			wp_die( __( 'Invalid post type.' ) );

		}

		if ( ! in_array( $typenow, get_post_types( array( 'show_ui' => true ) ), true ) ) {

			wp_die( __( 'Sorry, you are not allowed to edit posts in this post type.' ) );

		}

		if ( ! current_user_can( 'edit_post', $post_id ) ) {

			wp_die( __( 'Sorry, you are not allowed to edit this item.' ) );

		}

		if ( 'trash' === $post->post_status ) {

			wp_die( __( 'You cannot edit this item because it is in the Trash. Please restore it and try again.' ) );

		}

		if ( ! empty( $_GET['get-post-lock'] ) ) {

			check_admin_referer( 'lock-post_' . $post_id );

			wp_set_post_lock( $post_id );

			wp_redirect( get_edit_post_link( $post_id, 'url' ) );

			exit;

		}

		$post_type = $post->post_type;

		if ( 'post' === $post_type ) {

			$parent_file   = 'edit.php';

			$submenu_file  = 'edit.php';

			$post_new_file = 'post-new.php';

		} elseif ( 'attachment' === $post_type ) {

			$parent_file   = 'upload.php';

			$submenu_file  = 'upload.php';

			$post_new_file = 'media-new.php';

		} else {

			if ( isset( $post_type_object ) && $post_type_object->show_in_menu && true !== $post_type_object->show_in_menu ) {

				$parent_file = $post_type_object->show_in_menu;

			} else {

				$parent_file = "edit.php?post_type=$post_type";

			}

			$submenu_file  = "edit.php?post_type=$post_type";

			$post_new_file = "post-new.php?post_type=$post_type";

		}

		$title = $post_type_object->labels->edit_item;

		/**

		 * Allows replacement of the editor.

		 *

		 * @since 4.9.0

		 *

		 * @param bool    $replace Whether to replace the editor. Default false.

		 * @param WP_Post $post    Post object.

		 */

		if ( true === apply_filters( 'replace_editor', false, $post ) ) {

			break;

		}

		if ( use_block_editor_for_post( $post ) ) {

			require ABSPATH . 'wp-admin/edit-form-blocks.php';

			break;

		}

		if ( ! wp_check_post_lock( $post->ID ) ) {

			$active_post_lock = wp_set_post_lock( $post->ID );

			if ( 'attachment' !== $post_type ) {

				wp_enqueue_script( 'autosave' );

			}

		}

		$post = get_post( $post_id, OBJECT, 'edit' );

		if ( post_type_supports( $post_type, 'comments' ) ) {

			wp_enqueue_script( 'admin-comments' );

			enqueue_comment_hotkeys_js();

		}

		require ABSPATH . 'wp-admin/edit-form-advanced.php';

		break;

	case 'editattachment':

		check_admin_referer( 'update-post_' . $post_id );

		// Don't let these be changed.

		unset( $_POST['guid'] );

		$_POST['post_type'] = 'attachment';

		// Update the thumbnail filename.

		$newmeta          = wp_get_attachment_metadata( $post_id, true );

		$newmeta['thumb'] = wp_basename( $_POST['thumb'] );

		wp_update_attachment_metadata( $post_id, $newmeta );

		// Intentional fall-through to trigger the edit_post() call.

	case 'editpost':

		check_admin_referer( 'update-post_' . $post_id );

		$post_id = edit_post();

		// Session cookie flag that the post was saved.

		if ( isset( $_COOKIE['wp-saving-post'] ) && $_COOKIE['wp-saving-post'] === $post_id . '-check' ) {

			setcookie( 'wp-saving-post', $post_id . '-saved', time() + DAY_IN_SECONDS, ADMIN_COOKIE_PATH, COOKIE_DOMAIN, is_ssl() );

		}

		redirect_post( $post_id ); // Send user on their way while we keep working.

		exit;

	case 'trash':

		check_admin_referer( 'trash-post_' . $post_id );

		if ( ! $post ) {

			wp_die( __( 'The item you are trying to move to the Trash no longer exists.' ) );

		}

		if ( ! $post_type_object ) {

			wp_die( __( 'Invalid post type.' ) );

		}

		if ( ! current_user_can( 'delete_post', $post_id ) ) {

			wp_die( __( 'Sorry, you are not allowed to move this item to the Trash.' ) );

		}

		$user_id = wp_check_post_lock( $post_id );

		if ( $user_id ) {

			$user = get_userdata( $user_id );

			/* translators: %s: User's display name. */

			wp_die( sprintf( __( 'You cannot move this item to the Trash. %s is currently editing.' ), $user->display_name ) );

		}

		if ( ! wp_trash_post( $post_id ) ) {

			wp_die( __( 'Error in moving the item to Trash.' ) );

		}

		wp_redirect(

			add_query_arg(

				array(

					'trashed' => 1,

					'ids'     => $post_id,

				),

				$sendback

			)

		);

		exit;

	case 'untrash':

		check_admin_referer( 'untrash-post_' . $post_id );

		if ( ! $post ) {

			wp_die( __( 'The item you are trying to restore from the Trash no longer exists.' ) );

		}

		if ( ! $post_type_object ) {

			wp_die( __( 'Invalid post type.' ) );

		}

		if ( ! current_user_can( 'delete_post', $post_id ) ) {

			wp_die( __( 'Sorry, you are not allowed to restore this item from the Trash.' ) );

		}

		if ( ! wp_untrash_post( $post_id ) ) {

			wp_die( __( 'Error in restoring the item from Trash.' ) );

		}

		$sendback = add_query_arg(

			array(

				'untrashed' => 1,

				'ids'       => $post_id,

			),

			$sendback

		);

		wp_redirect( $sendback );

		exit;

	case 'delete':

		check_admin_referer( 'delete-post_' . $post_id );

		if ( ! $post ) {

			wp_die( __( 'This item has already been deleted.' ) );

		}

		if ( ! $post_type_object ) {

			wp_die( __( 'Invalid post type.' ) );

		}

		if ( ! current_user_can( 'delete_post', $post_id ) ) {

			wp_die( __( 'Sorry, you are not allowed to delete this item.' ) );

		}

		if ( 'attachment' === $post->post_type ) {

			$force = ( ! MEDIA_TRASH );

			if ( ! wp_delete_attachment( $post_id, $force ) ) {

				wp_die( __( 'Error in deleting the attachment.' ) );

			}

		} else {

			if ( ! wp_delete_post( $post_id, true ) ) {

				wp_die( __( 'Error in deleting the item.' ) );

			}

		}

		wp_redirect( add_query_arg( 'deleted', 1, $sendback ) );

		exit;

	case 'preview':

		check_admin_referer( 'update-post_' . $post_id );

		$url = post_preview();

		wp_redirect( $url );

		exit;

	case 'toggle-custom-fields':

		check_admin_referer( 'toggle-custom-fields', 'toggle-custom-fields-nonce' );

		$current_user_id = get_current_user_id();

		if ( $current_user_id ) {

			$enable_custom_fields = (bool) get_user_meta( $current_user_id, 'enable_custom_fields', true );

			update_user_meta( $current_user_id, 'enable_custom_fields', ! $enable_custom_fields );

		}

		wp_safe_redirect( wp_get_referer() );

		exit;

	default:

		/**

		 * Fires for a given custom post action request.

		 *

		 * The dynamic portion of the hook name, `$action`, refers to the custom post action.

		 *

		 * @since 4.6.0

		 *

		 * @param int $post_id Post ID sent with the request.

		 */

		do_action( "post_action_{$action}", $post_id );

		wp_redirect( admin_url( 'edit.php' ) );

		exit;

} // End switch.

require_once ABSPATH . 'wp-admin/admin-footer.php';