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<?php
/**
* LearnDash Factory Post Class.
* This is a factory class used to instantiate LD custom post type related data.
*
* @since 2.5.0
* @package LearnDash
*/
if ( ! defined( 'ABSPATH' ) ) {
exit;
}
if ( ( ! class_exists( 'LDLMS_Factory_Post' ) ) && ( class_exists( 'LDLMS_Factory' ) ) ) {
/**
* Class for LearnDash Factory Post.
*
* @since 2.5.0
* @uses LDLMS_Factory
*/
class LDLMS_Factory_Post extends LDLMS_Factory {
/**
* Get a Course.
*
* @param int|object $course Either course_id integer or WP_Post instance.
* @param bool $reload To force reload of instance.
*
* @return object|null Instance of `LDLMS_Model_Course` or null
*/
public static function course( $course = null, $reload = false ) {
if ( ! empty( $course ) ) {
$model = 'LDLMS_Model_Course';
$course_id = 0;
if ( ( is_a( $course, 'WP_Post' ) ) && ( learndash_get_post_type_slug( 'course' ) === $course->post_type ) ) {
$course_id = absint( $course->ID );
} else {
$course_id = absint( $course );
}
if ( ! empty( $course_id ) ) {
if ( true === $reload ) {
self::remove_instance( $model, $course_id );
}
return self::add_instance( $model, $course_id, $course_id );
}
}
return null;
}
/**
* Get a Lesson.
*
* @param int|object $lesson Either lesson_id integer or WP_Post instance.
* @param bool $reload To force reload of instance.
*
* @return object|null Instance of `LDLMS_Model_Lesson` or null
*/
public static function lesson( $lesson = null, $reload = false ) {
if ( ! empty( $lesson ) ) {
$model = 'LDLMS_Model_Lesson';
$lesson_id = 0;
if ( ( is_a( $lesson, 'WP_Post' ) ) && ( learndash_get_post_type_slug( 'lesson' ) === $lesson->post_type ) ) {
$lesson_id = absint( $lesson->ID );
} else {
$lesson_id = absint( $lesson );
}
if ( ! empty( $lesson_id ) ) {
if ( true === $reload ) {
self::remove_instance( $model, $lesson_id );
}
return self::add_instance( $model, $lesson_id, $lesson_id );
}
}
return null;
}
/**
* Get Course.
*
* @param int|object $course Either course_id integer or WP_Post instance.
*/
public static function get_course( $course ) {}
/**
* Get Course Lessons.
*
* @param int|object $course Either course_id integer or WP_Post instance.
* @param int|object $lesson Either lesson_id integer or WP_Post instance.
*
* @return array An array of course lessons
*/
public static function get_course_lessons( $course = null, $lesson = null ) {
if ( ! empty( $course ) ) {
$course = self::get_course( $course );
if ( $course ) {
$lesson_id = 0;
if ( ( is_a( $lesson, 'WP_Post' ) ) && ( learndash_get_post_type_slug( 'lesson' ) === $lesson->post_type ) ) {
$lesson_id = absint( $lesson->ID );
} else {
$lesson_id = absint( $lesson );
}
$course_lesson = $course->get_lesson( $lesson_id );
return $course_lesson;
}
}
return array();
}
/**
* Get a Quiz Questions.
*
* @param int|object $quiz Either quiz_id integer or WP_Post instance.
* @param bool $reload To force reload of instance.
*
* @return object|null Instance of `LDLMS_Quiz_Questions` or null
*/
public static function quiz_questions( $quiz = null, $reload = false ) {
if ( ! empty( $quiz ) ) {
$model = 'LDLMS_Quiz_Questions';
$quiz_id = 0;
if ( ( is_a( $quiz, 'WP_Post' ) ) && ( learndash_get_post_type_slug( 'quiz' ) === $quiz->post_type ) ) {
$quiz_id = absint( $quiz->ID );
} else {
$quiz_id = absint( $quiz );
}
if ( ! empty( $quiz_id ) ) {
if ( true === $reload ) {
self::remove_instance( $model, $quiz_id );
}
return self::add_instance( $model, $quiz_id, $quiz_id );
}
}
return null;
}
/**
* Returns course steps.
*
* @param int|WP_Post $course Course post ID or WP_Post instance.
* @param bool $reload To force reloading of instance.
*
* @return LDLMS_Course_Steps|null
*/
public static function course_steps( $course = null, $reload = false ) {
if ( ! empty( $course ) ) {
$model = 'LDLMS_Course_Steps';
if (
$course instanceof WP_Post
&& learndash_get_post_type_slug( 'course' ) === $course->post_type
) {
$course_id = absint( $course->ID );
} else {
$course_id = absint( $course );
}
if ( ! empty( $course_id ) ) {
if ( true === $reload ) {
self::remove_instance( $model, $course_id );
}
return self::add_instance( $model, $course_id, $course_id );
}
}
return null;
}
/**
* Get a Exam.
*
* @since 4.0.0
*
* @param int|object $exam Either exam_id integer or WP_Post instance.
* @param array $atts Array of attributes (course_id, user_id).
* @param bool $reload To force reload of instance.
*
* @return object|null Instance of `LDLMS_Model_Exam` or null
*/
public static function exam( $exam = null, $atts = array(), $reload = false ) {
if ( ! empty( $exam ) ) {
$model = 'LDLMS_Model_Exam';
$exam_id = 0;
if ( ( is_a( $exam, 'WP_Post' ) ) && ( learndash_get_post_type_slug( 'exam' ) === $exam->post_type ) ) {
$exam_id = absint( $exam->ID );
} else {
$exam_id = absint( $exam );
}
if ( ! empty( $exam_id ) ) {
$model_key = $exam_id;
if ( ( is_array( $atts ) ) && ( ! empty( $atts ) ) ) {
ksort( $atts );
$model_key = $exam_id . '-' . md5( serialize( $atts ) ); // phpcs:ignore WordPress.PHP.DiscouragedPHPFunctions.serialize_serialize
}
if ( true === $reload ) {
self::remove_instance( $model, $model_key );
}
return self::add_instance( $model, $model_key, $exam_id, $atts );
}
}
return null;
}
/**
* Get a Exam Question.
*
* @since 4.0.0
*
* @param array $exam_question_block Array of question attributes.
* @param boolean $reload To force reload of instance.
*
* @return object|null Instance of `LDLMS_Model_Exam_Question` or null
*/
public static function exam_question( $exam_question_block = array(), $reload = false ) {
if ( ! empty( $exam_question_block ) ) {
if ( isset( $exam_question_block['attrs']['question_type'] ) ) {
$exam_question_key = $exam_question_block['attrs']['question_type'] . '-' . ( isset( $exam_question_block['attrs']['exam_id'] ) ? $exam_question_block['attrs']['exam_id'] : '0' ) . '-' . ( isset( $exam_question_block['attrs']['question_idx'] ) ? $exam_question_block['attrs']['question_idx'] : '0' );
$model = LDLMS_Model_Exam_Question::get_model_by_type( $exam_question_block['attrs']['question_type'] );
if ( $model ) {
if ( true === $reload ) {
self::remove_instance( $model, $exam_question_key );
}
return self::add_instance( $model, $exam_question_key, $exam_question_block );
}
}
}
return null;
}
// End of functions.
}
}