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<?php
if ( ! defined( 'ABSPATH' ) ) {
// Exit if accessed directly.
exit;
}
/**
* Compatibility for The Events Calendar plugin.
*
* @since 3.10
*
* @link https://wordpress.org/plugins/the-events-calendar/
*/
class ET_Builder_Plugin_Compat_The_Events_Calendar extends ET_Builder_Plugin_Compat_Base {
public $actual_post_query;
public $spoofed_post_query;
/**
* Constructor.
*
* @since 3.10
*/
public function __construct() {
$this->plugin_id = 'the-events-calendar/the-events-calendar.php';
$this->init_hooks();
}
/**
* Hook methods to WordPress.
* Latest plugin version: 4.6.19
*
* @todo once this issue is fixed in future version, run version_compare() to limit the scope of the hooked fix
*
* @since 3.10
* @since 4.4.6 Bump loop_start hook priority to cover post hijacking issue.
*
* @return void
*/
public function init_hooks() {
// Bail if there's no version found.
if ( ! $this->get_plugin_version() ) {
return;
}
add_action( 'wp', array( $this, 'register_spoofed_post_fix' ) );
add_action( 'loop_start', array( $this, 'maybe_disable_post_spoofing' ), 1001 );
add_filter( 'wp_insert_post_empty_content', array( $this, 'maybe_allow_save_empty_content' ), 10, 2 );
}
/**
* The Events Calendar register Tribe__Events__Templates::maybeSpoofQuery() on wp_head (100) hook
* which modifies global $posts. This modified post object breaks anything that came after wp_head
* until the spoofed post is fixed. Anything that relies on $post global value on body_class is affected
* (ie Divi's hide nav until scroll because it adds classname to <body> to work)
*
* @since 3.10
*
* @return void
*/
function register_spoofed_post_fix() {
// Bail if global $post doesn't exist for some reason. Just to be safe.
if ( ! isset( $GLOBALS['post'] ) ) {
return;
}
// Only apply spoofed post fix if builder is used in custom post type page
if ( ! et_builder_post_is_of_custom_post_type( get_the_ID() ) || ! et_pb_is_pagebuilder_used( get_the_ID() ) ) {
return;
}
// Get actual $post query before Tribe__Events__Templates::maybeSpoofQuery() modifies it
$this->actual_post_query = $GLOBALS['post'];
// Return spoofed $post into its actual post then re-return it into spoofed post object
add_action( 'et_layout_body_class_before', array( $this, 'fix_post_query' ) );
add_action( 'et_layout_body_class_after', array( $this, 'respoofed_post_query' ) );
}
/**
* Return spoofed $post into its actual post so anything that relies to $post object works as expected
*
* @since 3.10
*
* @return void
*/
function fix_post_query() {
// Bail if global $post doesn't exist for some reason. Just to be safe.
if ( ! isset( $GLOBALS['post'] ) ) {
return;
}
$this->spoofed_post_query = $GLOBALS['post'];
$GLOBALS['post'] = $this->actual_post_query; // phpcs:ignore WordPress.Variables.GlobalVariables.OverrideProhibited
}
/**
* Re-return actual $post object into spoofed post so The Event Calendar works as expected
*
* @since 3.10
*
* @return void
*/
function respoofed_post_query() {
$GLOBALS['post'] = $this->spoofed_post_query; // phpcs:ignore WordPress.Variables.GlobalVariables.OverrideProhibited
}
/**
* Maybe disable post spoofing when a TB body layout is used.
*
* @since 4.2.2
* @since 4.4.6 Maybe disable post hijacking on Page Template v2.
*/
function maybe_disable_post_spoofing() {
if ( et_theme_builder_overrides_layout( ET_THEME_BUILDER_BODY_LAYOUT_POST_TYPE ) ) {
remove_action( 'the_post', array( 'Tribe__Events__Templates', 'spoof_the_post' ) );
// Ensure to check the class and tribe() method exists. Method tribe() is used
// to return an instance of the class and resolve the object.
if ( class_exists( '\Tribe\Events\Views\V2\Template\Page' ) && function_exists( 'tribe' ) ) {
$page = tribe( \Tribe\Events\Views\V2\Template\Page::class );
remove_action( 'the_post', array( $page, 'hijack_the_post' ), 25 );
}
}
}
/**
* Allow event with empty title to update post and trigger save_post action when
* activating BFB for the first time. So, event post meta can be saved as well.
*
* @since 4.4.4
*
* @param bool $maybe_empty Original status.
* @param array $postarr Array of post data.
*/
public function maybe_allow_save_empty_content( $maybe_empty, $postarr ) {
$post_action = et_()->array_get( $postarr, 'action' );
$post_id = et_()->array_get( $postarr, 'post_ID', 0 );
$post_status = et_()->array_get( $postarr, 'post_status' );
$post_origin_status = et_()->array_get( $postarr, 'original_post_status' );
$post_type = et_()->array_get( $postarr, 'post_type' );
// Ensure to override the status only on very first BFB activation and
// limited for tribe_events post type only.
$is_edit_action = 'editpost' === $post_action;
$is_builder_used = et_pb_is_pagebuilder_used( $post_id );
$is_post_draft = 'draft' === $post_status && 'auto-draft' === $post_origin_status;
$is_post_event = 'tribe_events' === $post_type;
if ( $is_edit_action && $is_builder_used && $is_post_draft && $is_post_event ) {
return false;
}
return $maybe_empty;
}
}
new ET_Builder_Plugin_Compat_The_Events_Calendar();