%PDF-
%PDF-
Mini Shell
Mini Shell
<?php
/**
* Plugin load class.
*
* @author ThimPress
* @package LearnPress/Co-Instructor/Classes
* @version 3.0.0
*/
// Prevent loading this file directly
defined( 'ABSPATH' ) || exit;
if ( ! class_exists( 'LP_Addon_Co_Instructor' ) ) {
/**
* Class LP_Addon_Co_Instructor
*/
class LP_Addon_Co_Instructor extends LP_Addon {
/**
* @var string
*/
public $version = LP_ADDON_CO_INSTRUCTOR_VER;
/**
* @var string
*/
public $require_version = LP_ADDON_CO_INSTRUCTOR_REQUIRE_VER;
/**
* LP_Addon_Co_Instructor constructor.
*/
public function __construct() {
parent::__construct();
// Prepare user data
$this->user = get_current_user_id();
// add co-instructor email settings
$this->add_co_instructor_emails();
// add co-instructor tabs in profle page
add_filter( 'learn-press/profile-tabs', array( $this, 'add_profile_instructor_tab' ) );
}
/**
* Define Learnpress Co-Instructor constants.
*
* @since 3.0.0
*/
protected function _define_constants() {
define( 'LP_ADDON_CO_INSTRUCTOR_PATH', dirname( LP_ADDON_CO_INSTRUCTOR_FILE ) );
define( 'LP_ADDON_CO_INSTRUCTOR_INC', LP_ADDON_CO_INSTRUCTOR_PATH . '/inc/' );
define( 'LP_ADDON_CO_INSTRUCTOR_TEMPLATE', LP_ADDON_CO_INSTRUCTOR_PATH . '/templates/' );
}
/**
* Include required core files used in admin and on the frontend.
*
* @since 3.0.0
*/
protected function _includes() {
include_once LP_ADDON_CO_INSTRUCTOR_INC . 'functions.php';
}
/**
* Hook into actions and filters.
*/
protected function _init_hooks() {
add_action( 'wp_before_admin_bar_render', array( $this, 'before_admin_bar_render' ) );
add_filter( 'learn-press/edit-admin-bar-button', array( $this, 'before_admin_bar_course_item' ), 10, 2 );
add_action( 'pre_get_posts', array( $this, 'pre_get_co_instructor_items' ) );
// add co-instructor settings to course meta box
add_filter( 'learn_press_course_author_meta_box', array( $this, 'add_meta_box' ) );
add_filter( 'learn_press_valid_courses', array( $this, 'get_available_courses' ) );
add_filter( 'learn_press_valid_lessons', array( $this, 'co_instructor_valid_lessons' ) );
add_filter( 'learn_press_valid_quizzes', array( $this, 'co_instructor_valid_quizzes' ) );
add_filter( 'learn_press_valid_questions', array( $this, 'co_instructor_valid_questions' ) );
add_action( 'admin_head-post.php', array( $this, 'process_teacher' ) );
// add co-instructor settings in admin settings page
add_filter( 'learn-press/profile-settings-fields/sub-tabs', array(
$this,
'co_instructor_settings'
), 10, 2 );
// update post author for items in course, quiz
add_filter( 'learnpress_course_insert_item_args', array( $this, 'course_insert_item_args' ) );
add_filter( 'learnpress_quiz_insert_item_args', array( $this, 'quiz_insert_question_args' ), 10, 2 );
add_filter( 'learn_press_excerpt_duplicate_post_meta', array(
$this,
'excerpt_duplicate_post_meta'
), 10, 3 );;
add_action( 'learn-press/after-single-course-instructor', array(
$this,
'single_course_instructors'
) );
}
/**
* Add email classes.
*/
public function add_co_instructor_emails() {
LP_Emails::instance()->emails['LP_Email_Enrolled_Course_Co_Instructor'] = include( 'emails/class-lp-co-instructor-email-enrolled-course.php' );
LP_Emails::instance()->emails['LP_Email_Finished_Course_Co_Instructor'] = include( 'emails/class-lp-co-instructor-email-finished-course.php' );
}
/**
* Remove edit course in admin bar for unauthorized user.
*
* @return mixed
*/
public function before_admin_bar_render() {
global $post, $wp_admin_bar;
if ( current_user_can( 'administrator' ) ) {
return $wp_admin_bar;
}
if ( learn_press_is_course() && ! in_array( $post->ID, $this->get_available_courses() ) ) {
$wp_admin_bar->remove_menu( 'edit' );
}
return $wp_admin_bar;
}
/**
* Remove edit lesson, quiz, question in admin bar for unauthorized user.
*
* @param $can_edit
* @param $course_item
*
* @return bool
*/
public function before_admin_bar_course_item( $can_edit, $course_item ) {
if ( ! $course_item ) {
return false;
}
if ( current_user_can( 'administrator' ) ) {
return true;
}
$item_id = $course_item->get_id();
$type = get_post_type( $item_id );
if ( $type == LP_LESSON_CPT ) {
if ( in_array( $item_id, $this->co_instructor_valid_lessons() ) ) {
return false;
}
} elseif ( $type == LP_QUIZ_CPT ) {
if ( in_array( $item_id, $this->co_instructor_valid_quizzes() ) ) {
return false;
}
} elseif ( $type == LP_QUESTION_CPT ) {
if ( in_array( $item_id, $this->co_instructor_valid_questions() ) ) {
return false;
}
}
return apply_filters( 'learn-press/co-instructor/edit-admin-bar', $can_edit, $item_id );
}
/**
* Pre query items for co-instructor.
*
* @param $query
*/
public function pre_get_co_instructor_items( $query ) {
global $pagenow;
$current_user = wp_get_current_user();
if ( is_admin() && ( in_array( 'lpr_teacher', $current_user->roles ) || in_array( 'lp_teacher', $current_user->roles ) ) && $pagenow == 'edit.php' ) {
$post_type = isset( $_REQUEST['post_type'] ) ? sanitize_text_field( $_REQUEST['post_type'] ) : '';
if ( in_array( $post_type, apply_filters( 'learn-press/co-instructor/item-types', array(
'lpr_course',
'lp_course',
'lpr_lesson',
'lp_lesson',
'lpr_quiz',
'lp_quiz',
'lpr_question',
'lp_question'
) ) ) ) {
$courses = $this->get_available_courses();
$empty_post_type = 'lpr_empty';
if ( in_array( $post_type, array( 'lpr_course', 'lp_course' ) ) ) {
if ( count( $courses ) == 0 ) {
// set query lp_empty post type
if ( $post_type === 'lp_course' ) {
$empty_post_type = 'lp_empty';
}
$query->set( 'post_type', $empty_post_type );
} else {
$query->set( 'post_type', $post_type );
$query->set( 'post__in', $courses );
}
add_filter( 'views_edit-lpr_course', array( $this, 'restrict_co_instructor_items' ), 20 );
add_filter( 'views_edit-lp_course', array( $this, 'restrict_co_instructor_items' ), 20 );
return;
} else if ( in_array( $post_type, array( 'lpr_lesson', 'lp_lesson' ) ) ) {
$lessons = $this->get_available_lessons( $courses );
if ( count( $lessons ) == 0 ) {
// set query lp_empty post type
if ( $post_type === 'lp_lesson' ) {
$empty_post_type = 'lp_empty';
}
$query->set( 'post_type', $empty_post_type );
} else {
$query->set( 'post_type', $post_type );
$query->set( 'post__in', $lessons );
}
add_filter( 'views_edit-lpr_lesson', array( $this, 'restrict_co_instructor_items' ), 20 );
add_filter( 'views_edit-lp_lesson', array( $this, 'restrict_co_instructor_items' ), 20 );
return;
} else if ( in_array( $post_type, array( 'lpr_quiz', 'lp_quiz' ) ) ) {
$quizzes = $this->get_available_quizzes( $courses );
if ( count( $quizzes ) == 0 ) {
// set query lp_empty post type
if ( $post_type === 'lp_quiz' ) {
$empty_post_type = 'lp_empty';
}
$query->set( 'post_type', $empty_post_type );
} else {
$query->set( 'post_type', $post_type );
$query->set( 'post__in', $quizzes );
}
add_filter( 'views_edit-lpr_quiz', array( $this, 'restrict_co_instructor_items' ), 20 );
add_filter( 'views_edit-lp_quiz', array( $this, 'restrict_co_instructor_items' ), 20 );
return;
} else if ( in_array( $post_type, array( 'lpr_question', 'lp_question' ) ) ) {
$quizzes = $this->co_instructor_valid_quizzes();
$questions = $this->get_available_questions( $quizzes );
if ( count( $questions ) == 0 ) {
// set query lp_empty post type
if ( $post_type === 'lp_question' ) {
$empty_post_type = 'lp_empty';
}
$query->set( 'post_type', $empty_post_type );
} else {
$query->set( 'post_type', $post_type );
$query->set( 'post__in', $questions );
}
add_filter( 'views_edit-lpr_question', array( $this, 'restrict_co_instructor_items' ), 20 );
add_filter( 'views_edit-lp_question', array( $this, 'restrict_co_instructor_items' ), 20 );
return;
} else {
do_action( 'learn-press/co-instructor/pre-get-posts', $this, $courses, $post_type, $query );
}
}
}
}
/**
* Restrict co-instructor items.
*
* @param $views
*
* @return mixed
*/
public function restrict_co_instructor_items( $views ) {
$post_type = get_query_var( 'post_type' );
$author = get_current_user_id();
$new_views = array(
'all' => __( 'All', 'learnpress-co-instructor' ),
'mine' => __( 'Mine', 'learnpress-co-instructor' ),
'publish' => __( 'Published', 'learnpress-co-instructor' ),
'private' => __( 'Private', 'learnpress-co-instructor' ),
'pending' => __( 'Pending Review', 'learnpress-co-instructor' ),
'future' => __( 'Scheduled', 'learnpress-co-instructor' ),
'draft' => __( 'Draft', 'learnpress-co-instructor' ),
'trash' => __( 'Trash', 'learnpress-co-instructor' ),
'co_teacher' => __( 'Co-instructor', 'learnpress-co-instructor' )
);
$url = 'edit.php';
foreach ( $new_views as $view => $name ) {
$query = array(
'post_type' => $post_type
);
if ( $view == 'all' ) {
$query['all_posts'] = 1;
$class = ( get_query_var( 'all_posts' ) == 1 || ( get_query_var( 'post_status' ) == '' && get_query_var( 'author' ) == '' ) ) ? ' class="current"' : '';
} elseif ( $view == 'mine' ) {
$query['author'] = $author;
$class = ( get_query_var( 'author' ) == $author ) ? ' class="current"' : '';
} elseif ( $view == 'co_teacher' ) {
$query['author'] = - $author;
$class = ( get_query_var( 'author' ) == - $author ) ? ' class="current"' : '';
} else {
$query['post_status'] = $view;
$class = ( get_query_var( 'post_status' ) == $view ) ? ' class="current"' : '';
}
$result = new WP_Query( $query );
if ( $result->found_posts > 0 ) {
$views[ $view ] = sprintf(
'<a href="%s"' . $class . '>' . __( $name, 'learnpress-co-instructor' ) . ' <span class="count">(%d)</span></a>',
esc_url( add_query_arg( $query, $url ) ),
$result->found_posts
);
} else {
unset( $views[ $view ] );
}
}
return $views;
}
/**
* Get all editable courses of current user.
*
* @return array
*/
public function get_available_courses() {
$user = learn_press_get_current_user();
if ( ! $user->is_admin() && ! $user->is_instructor() ) {
return array();
}
/**
* Cache available courses for current instructor
* @since 3.0.0
*/
if ( false === ( $courses = wp_cache_get( 'user-' . $user->get_id(), 'co-instructor-courses' ) ) ) {
global $wpdb;
$query = $wpdb->prepare( "
SELECT DISTINCT p.ID
FROM $wpdb->posts AS p
INNER JOIN $wpdb->postmeta AS pm ON p.ID = pm.post_id
WHERE
( p.post_author = %d AND ( p.post_type = %s OR p.post_type = %s ) )
OR ( ( pm.meta_key = %s OR pm.meta_key = %s ) AND pm.meta_value= %d AND ( p.post_type = %s OR p.post_type = %s ) )
",
get_current_user_id(), 'lpr_course', 'lp_course', '_lpr_co_teacher', '_lp_co_teacher', get_current_user_id(), 'lpr_course', 'lp_course'
);
$courses = $wpdb->get_col( $query );
wp_cache_set( 'user-' . $user->get_id(), $courses, 'co-instructor-courses' );
$course_factory = new LP_Course_CURD();
$course_factory->read_course_sections( $courses );
}
return $courses;
}
/**
* Get all editable lessons of current user, return array lessons id.
*
* @since 3.0.0
*
* @param $courses
*
* @return array
*/
public function get_available_lessons( $courses ) {
$user_id = get_current_user_id();
/**
* Cache available lessons for instructor
* @since 3.0.0
*/
if ( false === ( $lessons = wp_cache_get( 'user-' . $user_id, 'co-instructor-lessons' ) ) ) {
global $wpdb;
$query = $wpdb->prepare( "
SELECT ID FROM $wpdb->posts
WHERE ( post_type = %s OR post_type = %s )
AND post_author = %d
", 'lpr_lesson', 'lp_lesson', get_current_user_id() );
$lessons = $wpdb->get_col( $query );
if ( $courses ) {
foreach ( $courses as $course_id ) {
$temp = $this->get_available_lesson_from_course( $course_id );
$lessons = array_unique( array_merge( $lessons, $temp ) );
}
}
wp_cache_set( 'user-' . $user_id, $lessons, 'co-instructor-lessons' );
}
return $lessons;
}
/**
* Get all editable quizzes of current user, return array quizzes id.
*
* @since 3.0.0
*
* @param $courses
*
* @return array
*/
public function get_available_quizzes( $courses ) {
$user_id = get_current_user_id();
/**
* Cache quizzes for instructor
* @since 3.0.0
*/
if ( false === ( $quizzes = wp_cache_get( 'user-' . $user_id, 'co-instructor-quizzes' ) ) ) {
global $wpdb;
$query = $wpdb->prepare( "
SELECT ID FROM $wpdb->posts
WHERE ( post_type = %s OR post_type = %s )
AND post_author = %d
", 'lpr_quiz', 'lp_quiz', get_current_user_id()
);
// get quizzes of self co-instructor
$quizzes = $wpdb->get_col( $query );
if ( $courses ) {
foreach ( $courses as $course ) {
// get quizzes of course
$temp = $this->get_available_quizzes_from_course( $course );
$quizzes = array_unique( array_merge( $quizzes, $temp ) );
}
}
wp_cache_set( 'user-' . $user_id, $quizzes, 'co-instructor-quizzes' );
}
return $quizzes;
}
public function get_available_questions( $quizzes ) {
global $wpdb;
// get questions of self co-instructor
$query = $wpdb->prepare( "
SELECT ID FROM $wpdb->posts
WHERE ( post_type = %s OR post_type = %s )
AND post_author = %d
", 'lpr_question', 'lp_question', get_current_user_id()
);
$questions = $wpdb->get_col( $query );
if ( $quizzes ) {
foreach ( $quizzes as $quiz ) {
// get questions of quiz
$temp = $this->get_available_question_from_quiz( $quiz );
$questions = array_unique( array_merge( $questions, $temp ) );
}
}
return $questions;
}
/**
* Get all lessons from course.
*
* @since 3.0.0
*
* @param null $course_id
*
* @return array
*/
public function get_available_lesson_from_course( $course_id = null ) {
if ( empty( $course_id ) ) {
return array();
}
$course = learn_press_get_course( $course_id );
$lessons = $course->get_items( LP_LESSON_CPT );
$available = array();
if ( $lessons ) {
foreach ( $lessons as $lesson_id ) {
$available[ $lesson_id ] = absint( $lesson_id );
}
}
return $available;
}
/**
* Get all quizzes from course, return array quizzes ids.
*
* @since 3.0.0
*
* @param null $course_id
*
* @return array
*/
public function get_available_quizzes_from_course( $course_id = null ) {
if ( empty( $course_id ) ) {
return array();
}
$course = learn_press_get_course( $course_id );
$quizzes = $course->get_items( LP_QUIZ_CPT );
$available = array();
if ( $quizzes ) {
foreach ( $quizzes as $quiz_id ) {
$available[ $quiz_id ] = absint( $quiz_id );
}
}
return $available;
}
/**
* Get all questions form quiz, return array questions ids.
*
* @param null $quiz_id
*
* @return array
*/
public function get_available_question_from_quiz( $quiz_id = null ) {
if ( empty( $quiz_id ) ) {
return array();
}
$quiz = learn_press_get_quiz( $quiz_id );
$questions = $quiz->get_questions();
$available = array();
foreach ( $questions as $question_id ) {
$available[] = absint( $question_id );
}
return $available;
}
/**
* Add co-instructor settings in course meta box.
*
* @param $meta_box
*
* @return mixed
*/
public function add_meta_box( $meta_box ) {
$class = '';
$post_author = '';
if ( isset( $_GET['post'] ) && isset( get_post( $_GET['post'] )->post_author ) ) {
$post_author = get_post( $_GET['post'] )->post_author;
if ( $post_author != get_current_user_id() && ! current_user_can( 'manage_options' ) ) {
$class = 'hidden';
}
}
// roles can be co-instructor
$instructor_roles = apply_filters( 'learn-press/co-instructor/instructor-roles', array(
'administrator',
'lp_teacher',
'lpr_teacher'
) );
// get users
$users = array();
$instructors = get_users( array( 'role__in' => $instructor_roles, 'exclude' => $post_author ) );
foreach ( $instructors as $instructor ) {
$users[ $instructor->ID ] = $instructor->user_login;
}
// show option when has user options
$meta_box['fields'][] = array(
'name' => __( 'Co-Instructors', 'learnpress-co-instructor' ),
'id' => "_lp_co_teacher",
'desc' => sizeof( $users ) ? __( 'Colleagues will work with you.', 'learnpress-co-instructor' ) : wp_kses( __( 'There is no instructor to select. Create <a href="' . admin_url( "user-new.php" ) . '" target="_blank">here</a>.', 'learnpress-co-instructor' ), array(
'a' => array(
'href' => array(),
'target' => array()
)
) ),
'class' => $class,
'multiple' => true,
'type' => 'select_advanced',
'placeholder' => __( 'Instructors', 'learnpress-co-instructor' ),
'options' => $users
);
return $meta_box;
}
/**
* Valid lessons.
*
* @return array
*/
public function co_instructor_valid_lessons() {
$courses = $this->get_available_courses();
return $this->get_available_lessons( $courses );
}
/**
* Valid quizzes.
*
* @return array
*/
public function co_instructor_valid_quizzes() {
$courses = $this->get_available_courses();
return $this->get_available_quizzes( $courses );
}
/**
* Valid questions.
*
* @return array
*/
public function co_instructor_valid_questions() {
$quizzes = $this->co_instructor_valid_quizzes();
return $this->get_available_questions( $quizzes );
}
/**
* Check Co-instructor processes.
*/
public function process_teacher() {
global $post;
if ( current_user_can( 'manage_options' ) ) {
return;
}
$post_id = $post->ID;
if ( current_user_can( LP_TEACHER_ROLE ) ) {
if ( $post->post_author == get_current_user_id() ) {
return;
}
$courses = apply_filters( 'learn_press_valid_courses', array() );
$lessons = apply_filters( 'learn_press_valid_lessons', array() );
$quizzes = apply_filters( 'learn_press_valid_quizzes', array() );
$questions = apply_filters( 'learn_press_valid_questions', array() );
// get all types
$all = array_merge( $courses, $lessons, $quizzes, $questions );
if ( in_array( $post_id, $all ) ) {
return;
}
// wp_die( __( 'Sorry! You don\'t have permission to do this action', 'learnpress-co-instructor' ), 403 );
}
}
/**
* Add co-instructor settings in admin settings.
*
* @param $settings
* @param $object
*
* @return array
*/
public function co_instructor_settings( $settings, $object ) {
$instructor_setting = array(
'title' => __( 'Instructor', 'learnpress-co-instructor' ),
'id' => 'profile_endpoints[profile-instructor]',
'default' => 'instructor',
'type' => 'text',
'placeholder' => '',
'desc' => __( 'This is a slug and should be unique.', 'learnpress-co-instructor' ) . sprintf( ' %s <code>[profile/admin/instructor]</code>', __( 'Example link is', 'learnpress-co-instructor' ) )
);
$instructor_setting = apply_filters( 'learn_press_page_settings_item_instructor', $instructor_setting, $settings, $object );
$new_settings = array();
foreach ( $settings as $index => $setting ) {
$new_settings[] = $setting;
if ( isset( $setting['id'] ) && $setting['id'] === 'profile_endpoints[profile-order-details]' ) {
$new_settings[] = $instructor_setting;
$instructor_setting = false;
}
}
if ( $instructor_setting ) {
$new_settings[] = $instructor_setting;
}
return $new_settings;
}
/**
* Insert post author of items in course.
*
* @param $args
*
* @return mixed
*/
public function course_insert_item_args( $args ) {
$owner = $this->get_own_user_of_post();
$args['post_author'] = $owner;
return $args;
}
/**
* Insert post author of items in quiz.
*
* @param $args
* @param $quiz_id
*
* @return mixed
*/
public function quiz_insert_question_args( $args, $quiz_id ) {
$author = get_current_user_id();
if ( ! empty( $quiz_id ) ) {
$post = get_post( $quiz_id );
$author = $post->post_author;
}
if ( ! empty( $author ) ) {
$args['post_author'] = $author;
}
return $args;
}
/**
* Get own user.
*
* @return int
*/
public function get_own_user_of_post() {
global $post;
// Check if current user have permissions admin
if ( current_user_can( 'administrator' ) && isset( $_REQUEST['_lp_course_author'] ) && ! empty( $_REQUEST['_lp_course_author'] ) ) {
$this->user = $_REQUEST['_lp_course_author'];
} else {
$this->user = $post->post_author;
}
$this->user = absint( $this->user );
return $this->user;
}
/**
* Add instructor tab in profile page.
*
* @param $tabs
*
* @return array
*/
public function add_profile_instructor_tab( $tabs ) {
$tab = apply_filters( 'learn-press-co-instructor/profile-tab', array(
'title' => __( 'Instructor', 'learnpress-co-instructor' ),
'callback' => array( $this, 'profile_instructor_tab_content' )
), $tabs );
$instructor_endpoint = LP()->settings->get( 'profile_endpoints.profile-instructor', 'instructor' );
if ( empty( $instructor_endpoint ) || empty( $tab ) ) {
return $tabs;
}
if ( in_array( $instructor_endpoint, array_keys( $tabs ) ) ) {
return $tabs;
}
$instructor = array( $instructor_endpoint => $tab );
$course_endpoint = LP()->settings->get( 'profile_endpoints.profile-courses' );
if ( ! empty( $course_endpoint ) ) {
$pos = array_search( $course_endpoint, array_keys( $tabs ) ) + 1;
$tabs = array_slice( $tabs, 0, $pos, true ) + $instructor + array_slice( $tabs, $pos, count( $tabs ) - 1, true );
} else {
$tabs = $tabs + $instructor;
}
return $tabs;
}
/**
* Get instructor tab content in profile page.
*
* @param $current
* @param $tab
* @param $user
*/
public function profile_instructor_tab_content( $current, $tab, $user ) {
learn_press_get_template( 'profile-tab.php', array(
'user' => $user,
'current' => $current,
'tab' => $tab
), learn_press_template_path() . '/addons/co-instructors/', LP_ADDON_CO_INSTRUCTOR_PATH . '/templates/' );
}
/**
* Show list instructors in single course page.
*/
public function single_course_instructors() {
$course = LP_Global::course();
$course_id = $course->get_id();
$instructors = $this->get_instructors( $course_id );
learn_press_get_template( 'single-course-tab.php', array( 'instructors' => $instructors ), learn_press_template_path() . '/addons/co-instructors/', LP_ADDON_CO_INSTRUCTOR_TEMPLATE );
}
/**
* Get all course instructors.
*
* @param $course_id
*
* @return mixed
*/
public function get_instructors( $course_id ) {
if ( $course_id ) {
$course_id = learn_press_get_course_id();
}
if ( ! $course_id ) {
return false;
}
$instructors = learn_press_co_instructor_get_instructors( $course_id );
return $instructors;
}
/**
* Excerpt duplicate post meta.
*
* @param $excerpt
* @param $old_post_id
* @param $new_post_id
*
* @return array
*/
public function excerpt_duplicate_post_meta( $excerpt, $old_post_id, $new_post_id ) {
if ( ! in_array( '_lp_co_teacher', $excerpt ) ) {
$excerpt[] = '_lp_co_teacher';
}
return $excerpt;
}
}
add_action( 'plugins_loaded', array( 'LP_Addon_Co_Instructor', 'instance' ) );
}
Zerion Mini Shell 1.0