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<?php
/**
* The exam view class.
*
* @since 4.6.0
*
* @package LearnDash\Core
*/
/** NOTICE: This code is currently under development and may not be stable.
* Its functionality, behavior, and interfaces may change at any time without notice.
* Please refrain from using it in production or other critical systems.
* By using this code, you assume all risks and liabilities associated with its use.
* Thank you for your understanding and cooperation.
**/
namespace LearnDash\Core\Template\Views;
use InvalidArgumentException;
use LDLMS_Post_Types;
use LearnDash\Core\Models;
use LearnDash_Custom_Label;
use LearnDash\Core\Template\Breadcrumbs;
use WP_Post;
/**
* The view class for LD exam post type.
*
* @since 4.6.0
*/
class Exam extends View {
/**
* The related model.
*
* @var Models\Exam
*/
protected $model;
/**
* Constructor.
*
* @since 4.6.0
*
* @param WP_Post $post The post object.
*
* @throws InvalidArgumentException If the post type is not allowed.
*/
public function __construct( WP_Post $post ) {
$this->model = Models\Exam::create_from_post( $post );
$this->model->enable_memoization();
parent::__construct(
LDLMS_Post_Types::get_post_type_key( $post->post_type ),
$this->build_context()
);
}
/**
* Builds context for the rendering of this view.
*
* @since 4.6.0
*
* @return array<string, mixed>
*/
protected function build_context(): array {
$course = $this->model->get_course();
$user = wp_get_current_user();
return [
'topic' => $this->model,
'course' => $course,
'breadcrumbs' => $this->get_breadcrumbs(),
'title' => $this->model->get_title(),
'content_is_visible' => true, // TODO: Not sure what controls it.
'is_enrolled' => $course && $course->get_product()->user_has_access( $user ), // TODO: Not sure if it's correct.
'tabs' => [], // TODO: Add.
];
}
/**
* Gets the breadcrumbs.
*
* @since 4.6.0
*
* @return BreadCrumbs\Breadcrumbs
*/
protected function get_breadcrumbs(): BreadCrumbs\Breadcrumbs {
$course = $this->model->get_course();
if ( $course ) {
$breadcrumbs = $this->get_breadcrumbs_base();
$breadcrumbs[] = [
'url' => $course->get_permalink(),
'label' => $course->get_title(),
'id' => 'course',
];
} else {
$breadcrumbs = [
[
'url' => '',
'label' => LearnDash_Custom_Label::get_label( 'exams' ),
'id' => 'exams',
],
];
}
$breadcrumbs[] = array(
'url' => '',
'label' => $this->model->get_title(),
'id' => 'exam',
);
$breadcrumbs = new Breadcrumbs\Breadcrumbs( $breadcrumbs );
$breadcrumbs = $breadcrumbs->update_is_last()->all();
/** This filter is documented in src/Core/Template/Views/Group.php */
$breadcrumbs = (array) apply_filters( 'learndash_template_views_breadcrumbs', $breadcrumbs, $this->view_slug, $this );
/**
* Filters the exam breadcrumbs.
*
* @since 4.6.0
*
* @param array<string, string>[]|Breadcrumbs\Breadcrumb[] $breadcrumbs The breadcrumbs.
* @param string $view_slug The view slug.
* @param Exam $view The view object.
*
* @ignore
*/
$breadcrumbs = (array) apply_filters( 'learndash_template_views_exam_breadcrumbs', $breadcrumbs, $this->view_slug, $this );
// Rebuild the breadcrumbs objects after filtering.
return new Breadcrumbs\Breadcrumbs( $breadcrumbs );
}
}