class-ldlms-model-user-quiz-resume.php
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<?php
/**
* User Quiz Resume class and functions.
*
* @since 3.5.0
* @package LearnDash
*/
if ( ! defined( 'ABSPATH' ) ) {
exit;
}
if ( ! class_exists( 'LDLMS_User_Quiz_Resume' ) ) {
/**
* Class to create the instance.
*/
class LDLMS_User_Quiz_Resume {
/**
* Activity meta key.
*
* @var string $meta_key.
*/
private static $meta_key = 'quiz_resume_data';
/**
* Get the User Quiz Resume Activity and Meta record.
*
* @since 3.5.0
*
* @param int $user_id User ID.
* @param int $quiz_id Quiz ID.
* @param int $course_id Course ID.
* @param int $quiz_started Quiz started timestamp.
* @param bool $create If true will create the activity record if does not exist.
*/
public static function get_user_quiz_resume_activity( $user_id = 0, $quiz_id = 0, $course_id = 0, $quiz_started = 0, $create = false ) {
$user_id = absint( $user_id );
$quiz_id = absint( $quiz_id );
$course_id = absint( $course_id );
$quiz_started = absint( $quiz_started );
$activity = null;
if ( ( ! empty( $user_id ) ) && ( ! empty( $quiz_id ) ) ) {
$args = array(
'activity_id' => 0,
'course_id' => $course_id,
'user_id' => $user_id,
'post_id' => $quiz_id,
'activity_type' => 'quiz',
'activity_completed' => 0,
);
if ( ! empty( $quiz_started ) ) {
$args['activity_started'] = $quiz_started;
}
$activity = learndash_get_user_activity( $args );
if ( ( is_object( $activity ) ) && ( property_exists( $activity, 'activity_id' ) ) && ( ! empty( $activity->activity_id ) ) ) {
$activity = new LDLMS_Model_Activity( $activity );
// If we have an existing activity record we include the meta.
$activity->activity_meta = (array) learndash_get_user_activity_meta( $activity->activity_id, self::$meta_key, true, true );
} elseif ( true === $create ) {
$activity = learndash_activity_start_quiz( $user_id, $course_id, $quiz_id, $quiz_started );
if ( ! is_null( $activity ) ) {
$activity->activity_meta = array();
}
}
}
return $activity;
}
/**
* Update the User Quiz Resume Activity Meta record.
*
* @since 3.5.0
*
* @param int $user_id User ID.
* @param int $quiz_id Quiz ID.
* @param int $course_id Course ID.
* @param int $quiz_started Quiz started timestamp.
* @param array $results Quiz question results array.
*/
public static function update_user_quiz_resume_metadata( $user_id = 0, $quiz_id = 0, $course_id = 0, $quiz_started = 0, $results = array() ) {
$user_id = absint( $user_id );
$quiz_id = absint( $quiz_id );
$course_id = absint( $course_id );
$quiz_started = absint( $quiz_started );
if ( empty( $user_id ) || empty( $quiz_id ) || empty( $results ) ) {
return false;
}
$changes_made = false;
$activity = self::get_user_quiz_resume_activity( $user_id, $quiz_id, $course_id, $quiz_started, true );
if (
is_a( $activity, 'LDLMS_Model_Activity' ) &&
property_exists( $activity, 'activity_id' ) &&
! empty( $activity->activity_id )
) {
$changes_made = true;
foreach ( $results as $result_key => $result_data ) {
$activity->activity_meta[ $result_key ] = $result_data;
}
learndash_update_user_activity_meta( $activity->activity_id, self::$meta_key, $activity->activity_meta );
}
return $changes_made;
}
/**
* Delete the User Quiz Resume Activity Meta record.
*
* @since 3.5.0
*
* @param int $user_id User ID.
* @param int $quiz_id Quiz ID.
* @param int $course_id Course ID.
* @param int $quiz_started Quiz started timestamp.
*/
public static function delete_user_quiz_resume_metadata( $user_id = 0, $quiz_id = 0, $course_id = 0, $quiz_started = 0 ) {
$user_id = absint( $user_id );
$quiz_id = absint( $quiz_id );
$course_id = absint( $course_id );
if ( ( ! empty( $user_id ) ) && ( ! empty( $quiz_id ) ) ) {
$activity = self::get_user_quiz_resume_activity( $user_id, $quiz_id, $course_id, $quiz_started );
if ( ( is_a( $activity, 'LDLMS_Model_Activity' ) ) && ( property_exists( $activity, 'activity_id' ) ) && ( ! empty( $activity->activity_id ) ) ) {
if ( ( property_exists( $activity, 'activity_meta' ) ) && ( ! empty( $activity->activity_meta ) ) ) {
return learndash_delete_user_activity_meta( $activity->activity_id, self::$meta_key );
}
}
}
}
}
}