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class-llms-controller-awards.php
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class-llms-controller-awards.php
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<?php
/**
* LLMS_Controller_Awards class
*
* @package LifterLMS/Controllers/Classes
*
* @since 6.0.0
* @version 6.4.0
*/
defined( 'ABSPATH' ) || exit;
/**
* Callback controller for award posts.
*
* Handles actions for `llms_my_achievement` and `llms_my_certificate` post types.
*
* @since 6.0.0
*/
class LLMS_Controller_Awards {
/**
* List of supported post types.
*
* @var string[]
*/
private static $post_types = array(
'llms_my_achievement',
'llms_my_certificate',
);
/**
* Constructor.
*
* @since 6.0.0
* @return void
*/
public static function init() {
foreach ( self::$post_types as $post_type ) {
$unprefixed = self::strip_prefix( $post_type );
add_action( "llms_user_earned_{$unprefixed}", array( __CLASS__, 'on_earn' ), 20, 2 );
add_action( "save_post_{$post_type}", array( __CLASS__, 'on_save' ), 20 );
}
add_action( 'rest_after_insert_llms_my_certificate', array( __CLASS__, 'on_rest_insert' ), 20, 3 );
}
/**
* Convert post type to award type.
*
* @since 6.0.0
*
* @param string $post_type A post type string.
* @return string
*/
private static function strip_prefix( $post_type ) {
return llms_strip_prefixes( $post_type, array( 'llms_my_' ) );
}
/**
* Retrieves the award post model for the given WP_Post.
*
* @since 6.0.0
*
* @param integer $post_id WP_Post ID.
* @return boolean|LLMS_User_Achievement|LLMS_User_Certificate Returns `false` for invalid post types.
* Otherwise returns the post model object.
*/
private static function get_object( $post_id ) {
$post_type = get_post_type( $post_id );
if ( ! in_array( $post_type, self::$post_types, true ) ) {
return false;
}
$class_name = sprintf( 'LLMS_User_%s', ucwords( self::strip_prefix( $post_type ) ) );
return new $class_name( $post_id );
}
/**
* Records a timestamp when the award is earned.
*
* @since 6.0.0
*
* @param int $user_id WP_User ID of the user who earned the certificate.
* @param int $post_id WP_Post ID of the certificate post.
* @return boolean|string Returns `false` if the certificate could not be loaded, otherwise returns the current
* timestamp in MySQL format.
*/
public static function on_earn( $user_id, $post_id ) {
$obj = self::get_object( $post_id );
if ( ! $obj ) {
return false;
}
$ts = llms_current_time( 'mysql' );
$obj->set( 'awarded', $ts );
return $ts;
}
/**
* Awarded certificate REST API insertion callback.
*
* Automatically syncs an awarded certificate with its parent when inserted via the REST API and
* sets a unique post name (slug).
*
* This method relies on the fact that there is (currently) no native way to insert an awarded
* certificate into the database via the REST API with a linked parent template without using the
* `AwardCertificateButton` Javascript component. The component sets the parent and student and allows
* this callback function to perform the remaining (necessary) sync operations.
*
* @since 6.0.0
*
* @param stdClass $post The post object.
* @param WP_Rest_Request $request Rest request object.
* @param boolean $creating Whether or not the post is being created.
* @return integer Returns an integer, primarily for unit tests: `0` if the insertion is an update,
* `1` if the post has not parent, and `2` when the certificate is synced and updated.
*/
public static function on_rest_insert( $post, $request, $creating ) {
if ( ! $creating ) {
return 0;
}
$cert = self::get_object( $post->ID );
if ( ! $cert->get( 'parent' ) ) {
return 1;
}
add_filter( 'llms_certificate_merge_data', array( __CLASS__, 'on_rest_insert_merge_data' ) );
$cert->sync( 'create' );
$cert->set( 'name', llms()->certificates()->get_unique_slug( $cert->get( 'title' ) ) );
remove_filter( 'llms_certificate_merge_data', array( __CLASS__, 'on_rest_insert_merge_data' ) );
return 2;
}
/**
* Modifies the merge data used when awarded a certificate using the REST API.
*
* This removes the `{sequential_id}` merge data. When creating the draft we don't want to use
* the default `1` or whatever the parent's ID is. If we use `1` that's just generally incorrect and
* if we use the parent's ID it might become the wrong ID by the time the certificate is published / awarded.
*
* Removing this will not merge the ID but on awarding the ID will be automatically merged with other merge codes.
*
* @since 6.0.0
*
* @param array $merge_data Merge data.
* @return array
*/
public static function on_rest_insert_merge_data( $merge_data ) {
unset( $merge_data['{sequential_id}'] );
return $merge_data;
}
/**
* Callback function when a post is saved or updated.
*
* This method automatically merges the certificates `post_content` and additionally triggers
* the creation actions to be fired if the certificate is newly created.
*
* @since 6.0.0
* @since 6.4.0 Added replacement of references to reusable blocks with their actual blocks.
*
* @param int $post_id WP_Post ID of the certificate.
* @return boolean Returns `true` if the certificate can't be loaded, otherwise returns `true`.
*/
public static function on_save( $post_id ) {
$obj = self::get_object( $post_id );
if ( ! $obj || 'publish' !== $obj->get( 'status' ) ) {
return false;
}
$post_type = get_post_type( $post_id );
remove_action( "save_post_{$post_type}", array( __CLASS__, 'on_save' ), 20 );
$is_awarded = $obj->is_awarded();
if ( 'llms_my_certificate' === $post_type ) {
if ( ! $is_awarded ) {
$obj->update_sequential_id();
}
/**
* Whenever an awarded certificate is updated, we want to re-merge the content
* in the event that any shortcodes or merge codes were added.
*/
$content = $obj->get( 'content', true );
$obj->set( 'content', $obj->merge_content( $content, true ) );
}
/**
* If the award is being published for the first time, trigger the creation actions.
*/
if ( ! $obj->is_awarded() ) {
LLMS_Engagement_Handler::create_actions(
self::strip_prefix( $post_type ),
$obj->get_user_id(),
$post_id,
$obj->get( 'related' ),
$obj->get( 'engagement' )
);
}
add_action( "save_post_{$post_type}", array( __CLASS__, 'on_save' ), 20 );
return true;
}
}
return LLMS_Controller_Awards::init();