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<?php |
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if ( ! defined( 'ABSPATH' ) ) exit; // Exit if accessed directly |
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/** |
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* Sensei Teacher class |
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* |
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* All functionality pertaining to the teacher role. |
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* |
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* @package WordPress |
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* @subpackage Sensei |
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* @category Core |
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* @author WooThemes |
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* @since 1.0.0 |
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*/ |
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class Sensei_Teacher { |
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/** |
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* $teacher_role |
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* |
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* Keeps a reference to the teacher role object |
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* |
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* @access protected |
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* @since 1.8.0 |
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*/ |
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protected $teacher_role; |
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/** |
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* $token |
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* |
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* Keeps a reference to the global sensei token |
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* |
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* @access protected |
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* @since 1.8.0 |
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*/ |
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public $token; |
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/** |
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* Sensei_Teacher::__constructor |
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* |
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* Constructor Function |
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* |
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* @since 1.8.0 |
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* @access public |
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*/ |
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public function __construct ( ) { |
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add_action( 'add_meta_boxes', array( $this , 'add_teacher_meta_boxes' ) , 10, 2 ); |
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add_action( 'save_post', array( $this, 'save_teacher_meta_box' ) ); |
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add_filter( 'parse_query', array( $this, 'limit_teacher_edit_screen_post_types' )); |
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add_filter( 'pre_get_posts', array( $this, 'course_analysis_teacher_access_limit' ) ); |
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add_filter( 'wp_count_posts', array( $this, 'list_table_counts' ), 10, 3 ); |
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add_action( 'pre_get_posts', array( $this, 'filter_queries' ) ); |
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//filter the quiz submissions |
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add_filter( 'sensei_check_for_activity' , array( $this, 'filter_grading_activity_queries') ); |
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//grading totals count only those belonging to the teacher |
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add_filter('sensei_count_statuses_args', array( $this, 'limit_grading_totals' ) ); |
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// show the courses owned by a user on his author archive page |
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add_filter( 'pre_get_posts', array( $this, 'add_courses_to_author_archive' ) ); |
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// notify admin when a teacher creates a course |
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add_action( 'transition_post_status',array( $this, 'notify_admin_teacher_course_creation' ), 10, 3 ); |
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// limit the analysis view to only the users taking courses belong to this teacher |
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add_filter( 'sensei_analysis_overview_filter_users',array( $this, 'limit_analysis_learners' ) , 5, 1 ); |
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// give teacher access to question post type |
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add_filter( 'sensei_lesson_quiz_questions', array( $this, 'allow_teacher_access_to_questions' ), 20, 2 ); |
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// Teacher column on the courses list on the admin edit screen |
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add_filter('manage_edit-course_columns' , array( $this, 'course_column_heading'), 10,1 ); |
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add_filter('manage_course_posts_custom_column' , array( $this, 'course_column_data'), 10,2 ); |
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//admin edit messages query limit teacher |
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add_filter( 'pre_get_posts', array( $this, 'limit_edit_messages_query' ) ); |
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//add filter by teacher on courses list |
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add_action( 'restrict_manage_posts', array( $this, 'course_teacher_filter_options' ) ); |
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add_filter( 'request', array( $this, 'teacher_filter_query_modify' ) ); |
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// Handle media library restrictions |
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add_filter( 'request', array( $this, 'restrict_media_library' ), 10, 1 ); |
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add_filter( 'ajax_query_attachments_args', array( $this, 'restrict_media_library_modal' ), 10, 1 ); |
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// update lesson owner to course teacher when saved |
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add_action( 'save_post', array( $this, 'update_lesson_teacher' ) ); |
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// If a Teacher logs in, redirect to /wp-admin/ |
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add_filter( 'wp_login', array( $this, 'teacher_login_redirect') , 10, 2 ); |
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add_action( 'admin_menu', array( $this, 'restrict_posts_menu_page'), 10); |
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add_filter('pre_get_comments', array ($this, 'restrict_comment_moderation'), 10, 1); |
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} // end __constructor() |
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/** |
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* Sensei_Teacher::create_teacher_role |
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* |
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* This function checks if the role exist, if not it creates it. |
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* for the teacher role |
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* |
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* @since 1.8.0 |
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* @access public |
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* @return void |
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*/ |
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public function create_role ( ) { |
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// check if the role exists |
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$this->teacher_role = get_role( 'teacher' ); |
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// if the the teacher is not a valid WordPress role create it |
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if ( ! is_a( $this->teacher_role, 'WP_Role' ) ) { |
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// create the role |
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$this->teacher_role = add_role( 'teacher', __( 'Teacher', 'woothemes-sensei' ) ); |
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} |
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// add the capabilities before returning |
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$this->add_capabilities(); |
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}// end create_teacher_role |
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/** |
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* Sensei_Teacher::add_capabilities |
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* |
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* @since 1.8.0 |
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* @access protected |
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*/ |
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protected function add_capabilities ( ) { |
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// if this is not a valid WP_Role object exit without adding anything |
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if( ! is_a( $this->teacher_role, 'WP_Role' ) || empty( $this->teacher_role ) ) { |
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return; |
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} |
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/** |
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* Sensei teachers capabilities array filter |
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* |
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* These capabilities will be applied to the teacher role |
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* @param array $capabilities |
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* keys: (string) $cap_name => (bool) $grant |
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*/ |
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$caps = apply_filters( 'sensei_teacher_role_capabilities', array( |
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// General access rules |
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'read' => true, |
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'manage_sensei_grades' => true, |
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'moderate_comments'=> true, |
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'upload_files' => true, |
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'edit_files' => true, |
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//Lessons |
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'publish_lessons' => true, |
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'manage_lesson_categories' => true, |
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'edit_lessons' => true, |
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'edit_published_lessons' => true, |
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'edit_private_lessons' => true, |
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'read_private_lessons' => true, |
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'delete_published_lessons' => true, |
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// Courses |
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'create_courses' => true, |
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'publish_courses' => false, |
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'manage_course_categories' => true, |
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'edit_courses' => true, |
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'edit_published_courses' => true, |
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'edit_private_courses' => true, |
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'read_private_courses' => true, |
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'delete_published_courses' => true, |
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// Quiz |
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'publish_quizzes' => true, |
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'edit_quizzes' => true, |
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'edit_published_quizzes' => true, |
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'edit_private_quizzes' => true, |
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'read_private_quizzes' => true, |
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// Questions |
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'publish_questions' => true, |
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'edit_questions' => true, |
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'edit_published_questions' => true, |
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'edit_private_questions' => true, |
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'read_private_questions' => true, |
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//messages |
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'publish_sensei_messages' => true, |
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'edit_sensei_messages' => true, |
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'edit_published_sensei_messages' => true, |
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'edit_private_sensei_messages' => true, |
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'read_private_sensei_messages' => true, |
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// Comments - |
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// Necessary cap so Teachers can moderate comments |
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// on their own lessons. We restrict access to other |
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// post types in $this->restrict_posts_menu_page() |
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'edit_posts' => true, |
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)); |
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foreach ( $caps as $cap => $grant ) { |
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// load the capability on to the teacher role |
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$this->teacher_role->add_cap($cap, $grant); |
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} // end for each |
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}// end add_cap |
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/** |
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* Sensei_Teacher::teacher_meta_box |
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* |
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* Add the teacher metabox to the course post type edit screen |
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* |
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* @since 1.8.0 |
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* @access public |
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* @parameter string $post_type |
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* @parameter WP_Post $post |
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* @return void |
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*/ |
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public function add_teacher_meta_boxes ( $post ) { |
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if( !current_user_can('manage_options') ){ |
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return; |
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} |
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add_meta_box( 'sensei-teacher', __( 'Teacher' , 'woothemes-sensei'), array( $this , 'teacher_meta_box_content' ), |
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'course', |
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'side', |
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'core' |
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); |
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} // end teacher_meta_box() |
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/** |
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* Sensei_Teacher::teacher_meta_box_content |
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* |
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* Render the teacher meta box markup |
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* |
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* @since 1.8.0 |
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* @access public |
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* @parameters |
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*/ |
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public function teacher_meta_box_content ( $post ) { |
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// get the current author |
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$current_author = $post->post_author; |
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//get the users authorised to author courses |
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$users = $this->get_teachers_and_authors(); |
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?> |
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<select name="sensei-course-teacher-author" class="sensei course teacher"> |
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<?php foreach ( $users as $user_id ) { ?> |
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<?php |
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$user = get_user_by('id', $user_id); |
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?> |
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<option <?php selected( $current_author , $user_id , true ); ?> value="<?php echo $user_id; ?>" > |
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<?php echo $user->display_name; ?> |
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</option> |
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<?php }// end for each ?> |
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</select> |
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<?php |
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} // end render_teacher_meta_box() |
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/** |
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* Sensei_Teacher::get_teachers_and_authors |
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* |
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* Get a list of users who can author courses, lessons and quizes. |
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* |
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* @since 1.8.0 |
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* @access public |
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* @parameters |
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* @return array $users user id array |
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*/ |
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public function get_teachers_and_authors ( ){ |
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$author_query_args = array( |
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'blog_id' => $GLOBALS['blog_id'], |
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'fields' => 'any', |
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'who' => 'authors' |
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); |
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$authors = get_users( $author_query_args ); |
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$teacher_query_args = array( |
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'blog_id' => $GLOBALS['blog_id'], |
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'fields' => 'any', |
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'role' => 'teacher', |
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); |
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$teachers = get_users( $teacher_query_args ); |
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return array_unique( array_merge( $teachers, $authors ) ); |
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}// end get_teachers_and_authors |
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/** |
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* Sensei_Teacher::save_teacher_meta_box |
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* |
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* Save the new teacher / author to course and all lessons |
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* |
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* Hooked into admin_init |
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* |
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* @since 1.8.0 |
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* @access public |
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* @parameters |
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* @return array $users user id array |
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*/ |
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public function save_teacher_meta_box ( $course_id ){ |
|
319
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|
|
320
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|
|
// check if this is a post from saving the teacher, if not exit early |
|
321
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|
|
if(! isset( $_POST[ 'sensei-course-teacher-author' ] ) || ! isset( $_POST['post_ID'] ) ){ |
|
322
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|
|
return; |
|
323
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|
|
} |
|
324
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|
|
|
|
325
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|
|
//don't fire this hook again |
|
326
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|
|
remove_action('save_post', array( $this, 'save_teacher_meta_box' ) ); |
|
327
|
|
|
|
|
328
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|
|
// get the current post object |
|
329
|
|
|
$post = get_post( $course_id ); |
|
330
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|
|
|
|
331
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|
|
// get the current teacher/author |
|
332
|
|
|
$current_author = absint( $post->post_author ); |
|
333
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|
|
$new_author = absint( $_POST[ 'sensei-course-teacher-author' ] ); |
|
334
|
|
|
|
|
335
|
|
|
// loop through all post lessons to update their authors as well |
|
336
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|
|
$this->update_course_lessons_author( $course_id , $new_author ); |
|
337
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|
|
|
|
338
|
|
|
// do not do any processing if the selected author is the same as the current author |
|
339
|
|
|
if( $current_author == $new_author ){ |
|
340
|
|
|
return; |
|
341
|
|
|
} |
|
342
|
|
|
|
|
343
|
|
|
// save the course author |
|
344
|
|
|
$post_updates = array( |
|
345
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|
|
'ID' => $post->ID , |
|
346
|
|
|
'post_author' => $new_author |
|
347
|
|
|
); |
|
348
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|
|
wp_update_post( $post_updates ); |
|
349
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|
|
|
|
350
|
|
|
// ensure the the modules are update so that then new teacher has access to them |
|
351
|
|
|
Sensei_Teacher::update_course_modules_author( $course_id, $new_author ); |
|
352
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|
|
|
|
353
|
|
|
// notify the new teacher |
|
354
|
|
|
$this->teacher_course_assigned_notification( $new_author, $course_id ); |
|
355
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|
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|
|
356
|
|
|
} // end save_teacher_meta_box |
|
357
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|
|
|
|
358
|
|
|
/** |
|
359
|
|
|
* Update all the course terms set(selected) on the given course. Moving course term ownership to |
|
360
|
|
|
* the new author. Making sure the course terms are maintained. |
|
361
|
|
|
* |
|
362
|
|
|
* This function also checks if terms are shared, with other courses |
|
363
|
|
|
* |
|
364
|
|
|
* @param $course_id |
|
365
|
|
|
* @param $new_teacher_id |
|
366
|
|
|
* @return void |
|
367
|
|
|
*/ |
|
368
|
|
|
public static function update_course_modules_author( $course_id ,$new_teacher_id ){ |
|
369
|
|
|
|
|
370
|
|
|
if( empty( $course_id ) || empty( $new_teacher_id ) ){ |
|
371
|
|
|
return false; |
|
372
|
|
|
} |
|
373
|
|
|
|
|
374
|
|
|
$terms_selected_on_course = wp_get_object_terms( $course_id, 'module' ); |
|
375
|
|
|
|
|
376
|
|
|
if( empty( $terms_selected_on_course ) ){ |
|
377
|
|
|
return; |
|
378
|
|
|
} |
|
379
|
|
|
|
|
380
|
|
|
foreach( $terms_selected_on_course as $term ){ |
|
381
|
|
|
|
|
382
|
|
|
$term_author = Sensei_Core_Modules::get_term_author( $term->slug ); |
|
383
|
|
|
if( $new_teacher_id != $term_author->ID ){ |
|
384
|
|
|
|
|
385
|
|
|
$new_term = ''; |
|
386
|
|
|
|
|
387
|
|
|
//if the new teacher is admin first check to see if the term with this name already exists |
|
388
|
|
|
if( user_can( $new_teacher_id, 'manage_options' ) ){ |
|
389
|
|
|
|
|
390
|
|
|
$slug_without_teacher_id = str_ireplace(' ', '-', trim( $term->name ) ); |
|
391
|
|
|
$term_args = array( 'slug'=> $slug_without_teacher_id, 'hide_empty' => false, ); |
|
392
|
|
|
$existing_admin_terms = get_terms( 'module', $term_args ); |
|
393
|
|
|
if( !empty( $existing_admin_terms ) ){ |
|
394
|
|
|
// insert it even if it exists |
|
395
|
|
|
$new_term = get_term( $existing_admin_terms[0]->term_id, 'module', ARRAY_A ); |
|
396
|
|
|
} |
|
397
|
|
|
} |
|
398
|
|
|
|
|
399
|
|
|
if( empty ( $new_term ) ){ |
|
400
|
|
|
|
|
401
|
|
|
//setup the new slug |
|
402
|
|
|
$new_author_term_slug = $new_teacher_id . '-' . str_ireplace(' ', '-', trim( $term->name ) ); |
|
403
|
|
|
|
|
404
|
|
|
// create new term and set it |
|
405
|
|
|
$new_term = wp_insert_term( $term->name,'module', array('slug'=> $new_author_term_slug ) ); |
|
406
|
|
|
|
|
407
|
|
|
} |
|
408
|
|
|
|
|
409
|
|
|
|
|
410
|
|
|
|
|
411
|
|
|
// if term exists |
|
412
|
|
|
if( is_wp_error( $new_term ) && isset( $new_term->errors['term_exists'] ) ){ |
|
413
|
|
|
|
|
414
|
|
|
$existing_term = get_term_by( 'slug', $new_author_term_slug, 'module'); |
|
|
|
|
|
|
415
|
|
|
$term_id = $existing_term->term_id; |
|
416
|
|
|
|
|
417
|
|
|
}else{ |
|
418
|
|
|
|
|
419
|
|
|
// for a new term simply get the term from the returned value |
|
420
|
|
|
$term_id = $new_term['term_id']; |
|
421
|
|
|
|
|
422
|
|
|
} // end if term exist |
|
423
|
|
|
|
|
424
|
|
|
// set the terms selected on the course |
|
425
|
|
|
wp_set_object_terms( $course_id, $term_id , 'module', true ); |
|
426
|
|
|
|
|
427
|
|
|
// remove old term |
|
428
|
|
|
wp_remove_object_terms( $course_id, $term->term_id, 'module' ); |
|
429
|
|
|
|
|
430
|
|
|
// update the lessons within the current module term |
|
431
|
|
|
$lessons = Sensei()->course->course_lessons( $course_id ); |
|
432
|
|
|
foreach( $lessons as $lesson ){ |
|
433
|
|
|
|
|
434
|
|
|
if( has_term( $term->slug, 'module', $lesson ) ){ |
|
435
|
|
|
|
|
436
|
|
|
// add the new term, the false at the end says to replace all terms on this module |
|
437
|
|
|
// with the new term. |
|
438
|
|
|
wp_set_object_terms( $lesson->ID, $term_id , 'module', false ); |
|
439
|
|
|
update_post_meta( $lesson->ID, '_order_module_' . intval( $term_id ), 0 ); |
|
440
|
|
|
} |
|
441
|
|
|
|
|
442
|
|
|
}// end for each |
|
443
|
|
|
|
|
444
|
|
|
} |
|
445
|
|
|
} |
|
446
|
|
|
|
|
447
|
|
|
}// end update_course_module_terms_author |
|
448
|
|
|
|
|
449
|
|
|
/** |
|
450
|
|
|
* Sensei_Teacher::update_course_lessons_author |
|
451
|
|
|
* |
|
452
|
|
|
* Update all course lessons and their quiz with a new author |
|
453
|
|
|
* |
|
454
|
|
|
* @since 1.8.0 |
|
455
|
|
|
* @access public |
|
456
|
|
|
* @parameters |
|
457
|
|
|
* @return array $users user id array |
|
458
|
|
|
*/ |
|
459
|
|
|
public function update_course_lessons_author ( $course_id, $new_author ){ |
|
460
|
|
|
|
|
461
|
|
|
|
|
462
|
|
|
if( empty( $course_id ) || empty( $new_author ) ){ |
|
463
|
|
|
return false; |
|
464
|
|
|
} |
|
465
|
|
|
|
|
466
|
|
|
//get a list of course lessons |
|
467
|
|
|
$lessons = Sensei()->course->course_lessons( $course_id ); |
|
468
|
|
|
|
|
469
|
|
|
if( empty( $lessons ) || ! is_array( $lessons ) ){ |
|
470
|
|
|
return false; |
|
471
|
|
|
} |
|
472
|
|
|
|
|
473
|
|
|
// update each lesson and quiz author |
|
474
|
|
|
foreach( $lessons as $lesson ){ |
|
475
|
|
|
|
|
476
|
|
|
// don't update if the author is tha same as the new author |
|
477
|
|
|
if( $new_author == $lesson->post_author ){ |
|
478
|
|
|
continue; |
|
479
|
|
|
} |
|
480
|
|
|
|
|
481
|
|
|
// update lesson author |
|
482
|
|
|
wp_update_post( array( |
|
483
|
|
|
'ID'=> $lesson->ID, |
|
484
|
|
|
'post_author' => $new_author |
|
485
|
|
|
) ); |
|
486
|
|
|
|
|
487
|
|
|
// update quiz author |
|
488
|
|
|
//get the lessons quiz |
|
489
|
|
|
$lesson_quizzes = Sensei()->lesson->lesson_quizzes( $lesson->ID ); |
|
490
|
|
|
if( is_array( $lesson_quizzes ) ){ |
|
491
|
|
|
foreach ( $lesson_quizzes as $quiz_id ) { |
|
492
|
|
|
// update quiz with new author |
|
493
|
|
|
wp_update_post( array( |
|
494
|
|
|
'ID' => $quiz_id, |
|
495
|
|
|
'post_author' => $new_author |
|
496
|
|
|
) ); |
|
497
|
|
|
} |
|
498
|
|
|
}else{ |
|
499
|
|
|
wp_update_post( array( |
|
500
|
|
|
'ID' => $lesson_quizzes, |
|
501
|
|
|
'post_author' => $new_author |
|
502
|
|
|
) ); |
|
503
|
|
|
} |
|
504
|
|
|
|
|
505
|
|
|
} // end for each lessons |
|
506
|
|
|
|
|
507
|
|
|
return true; |
|
508
|
|
|
|
|
509
|
|
|
}// end update_course_lessons_author |
|
510
|
|
|
|
|
511
|
|
|
|
|
512
|
|
|
|
|
513
|
|
|
/** |
|
514
|
|
|
* Sensei_Teacher::course_analysis_teacher_access_limit |
|
515
|
|
|
* |
|
516
|
|
|
* Alter the query so that users can only see their courses on the analysis page |
|
517
|
|
|
* |
|
518
|
|
|
* @since 1.8.0 |
|
519
|
|
|
* @access public |
|
520
|
|
|
* @parameters $query |
|
521
|
|
|
* @return array $users user id array |
|
522
|
|
|
*/ |
|
523
|
|
|
public function course_analysis_teacher_access_limit ( $query ) { |
|
524
|
|
|
|
|
525
|
|
|
if( ! is_admin() || ( defined( 'DOING_AJAX' ) && DOING_AJAX ) ) { |
|
526
|
|
|
return $query; |
|
527
|
|
|
} |
|
528
|
|
|
|
|
529
|
|
|
if ( ! function_exists( 'get_current_screen' ) ) { |
|
530
|
|
|
return $query; |
|
531
|
|
|
} |
|
532
|
|
|
|
|
533
|
|
|
$screen = get_current_screen(); |
|
534
|
|
|
$sensei_post_types = array('course', 'lesson', 'question' ); |
|
535
|
|
|
|
|
536
|
|
|
// exit early for the following conditions |
|
537
|
|
|
$limit_screen_ids = array( 'sensei_page_sensei_analysis', 'course_page_module-order' ); |
|
538
|
|
|
|
|
539
|
|
|
if( ! $this->is_admin_teacher() || empty( $screen ) || ! in_array( $screen->id ,$limit_screen_ids ) |
|
540
|
|
|
|| ! in_array( $query->query['post_type'], $sensei_post_types ) ){ |
|
541
|
|
|
return $query; |
|
542
|
|
|
} |
|
543
|
|
|
|
|
544
|
|
|
global $current_user; |
|
545
|
|
|
// set the query author to the current user to only show those those posts |
|
546
|
|
|
$query->set( 'author', $current_user->ID ); |
|
547
|
|
|
return $query; |
|
548
|
|
|
|
|
549
|
|
|
}// end course_analysis_teacher_access_limit |
|
550
|
|
|
|
|
551
|
|
|
|
|
552
|
|
|
/** |
|
553
|
|
|
* Sensei_Teacher::limit_teacher_edit_screen_post_types |
|
554
|
|
|
* |
|
555
|
|
|
* Determine if we're in admin and the current logged in use is a teacher |
|
556
|
|
|
* |
|
557
|
|
|
* @since 1.8.0 |
|
558
|
|
|
* @access public |
|
559
|
|
|
* @parameters array $wp_query |
|
560
|
|
|
* @return bool $is_admin_teacher |
|
561
|
|
|
*/ |
|
562
|
|
|
public function is_admin_teacher ( ){ |
|
563
|
|
|
|
|
564
|
|
|
if( ! is_user_logged_in()){ |
|
565
|
|
|
return false; |
|
566
|
|
|
} |
|
567
|
|
|
$is_admin_teacher = false; |
|
568
|
|
|
|
|
569
|
|
|
if( is_admin() && Sensei_Teacher::is_a_teacher( get_current_user_id() ) ){ |
|
570
|
|
|
|
|
571
|
|
|
$is_admin_teacher = true; |
|
572
|
|
|
|
|
573
|
|
|
} |
|
574
|
|
|
|
|
575
|
|
|
return $is_admin_teacher; |
|
576
|
|
|
|
|
577
|
|
|
} // end is_admin_teacher |
|
578
|
|
|
|
|
579
|
|
|
/** |
|
580
|
|
|
* Show correct post counts on list table for Sensei post types |
|
581
|
|
|
* |
|
582
|
|
|
* @since 1.8.0 |
|
583
|
|
|
* |
|
584
|
|
|
* @param object $counts Default status counts |
|
585
|
|
|
* @param string $type Current post type |
|
586
|
|
|
* @param string $perm User permission level |
|
587
|
|
|
* @return object Modified status counts |
|
588
|
|
|
*/ |
|
589
|
|
|
public function list_table_counts( $counts, $type, $perm ) { |
|
|
|
|
|
|
590
|
|
|
global $current_user; |
|
591
|
|
|
|
|
592
|
|
|
if( ! in_array( $type, array( 'course', 'lesson', 'question' ) ) ) { |
|
593
|
|
|
return $counts; |
|
594
|
|
|
} |
|
595
|
|
|
|
|
596
|
|
|
if( ! $this->is_admin_teacher() ) { |
|
597
|
|
|
return $counts; |
|
598
|
|
|
} |
|
599
|
|
|
|
|
600
|
|
|
$args = array( |
|
601
|
|
|
'post_type' => $type, |
|
602
|
|
|
'author' => $current_user->ID, |
|
603
|
|
|
'posts_per_page' => -1 |
|
604
|
|
|
); |
|
605
|
|
|
|
|
606
|
|
|
// Get all available statuses |
|
607
|
|
|
$stati = get_post_stati(); |
|
608
|
|
|
|
|
609
|
|
|
// Update count object |
|
610
|
|
|
foreach( $stati as $status ) { |
|
611
|
|
|
$args['post_status'] = $status; |
|
612
|
|
|
$posts = get_posts( $args ); |
|
613
|
|
|
$counts->$status = count( $posts ); |
|
614
|
|
|
} |
|
615
|
|
|
|
|
616
|
|
|
return $counts; |
|
617
|
|
|
} |
|
618
|
|
|
|
|
619
|
|
|
/** |
|
620
|
|
|
* Filter the post queries to show |
|
621
|
|
|
* only lesson /course and users that belong |
|
622
|
|
|
* to the current logged teacher. |
|
623
|
|
|
* |
|
624
|
|
|
* @since 1.8.0 |
|
625
|
|
|
* |
|
626
|
|
|
*/ |
|
627
|
|
|
public function filter_queries ( $query ) { |
|
628
|
|
|
global $current_user; |
|
629
|
|
|
|
|
630
|
|
|
if( ! $this->is_admin_teacher() ) { |
|
631
|
|
|
return; |
|
632
|
|
|
} |
|
633
|
|
|
|
|
634
|
|
|
if ( ! function_exists( 'get_current_screen' ) ) { |
|
635
|
|
|
return; |
|
636
|
|
|
} |
|
637
|
|
|
|
|
638
|
|
|
$screen = get_current_screen(); |
|
639
|
|
|
if( empty( $screen ) ) { |
|
640
|
|
|
return $query; |
|
641
|
|
|
} |
|
642
|
|
|
switch( $screen->id ) { |
|
643
|
|
|
case 'sensei_page_sensei_grading': |
|
644
|
|
|
case 'sensei_page_sensei_analysis': |
|
645
|
|
|
case 'sensei_page_sensei_learners': |
|
646
|
|
|
case 'lesson': |
|
647
|
|
|
case 'course': |
|
648
|
|
|
case 'question': |
|
649
|
|
|
case 'lesson_page_module-order': |
|
650
|
|
|
|
|
651
|
|
|
/** |
|
652
|
|
|
* sensei_filter_queries_set_author |
|
653
|
|
|
* Filter the author Sensei set for queries |
|
654
|
|
|
* |
|
655
|
|
|
* @since 1.8.0 |
|
656
|
|
|
* |
|
657
|
|
|
* @param int $user_id |
|
658
|
|
|
* @param string $screen_id |
|
659
|
|
|
* |
|
660
|
|
|
*/ |
|
661
|
|
|
$query->set( 'author', apply_filters( 'sensei_filter_queries_set_author', $current_user->ID, $screen->id ) ); |
|
662
|
|
|
break; |
|
663
|
|
|
} |
|
664
|
|
|
} |
|
665
|
|
|
|
|
666
|
|
|
/** |
|
667
|
|
|
* Limit grading quizzes to only those within courses belonging to the current teacher |
|
668
|
|
|
* . This excludes the admin user. |
|
669
|
|
|
* |
|
670
|
|
|
* @since 1.8.0 |
|
671
|
|
|
* @hooked into the_comments |
|
672
|
|
|
* @param array $comments |
|
673
|
|
|
* |
|
674
|
|
|
* @return array $comments |
|
675
|
|
|
*/ |
|
676
|
|
|
public function filter_grading_activity_queries( $comments ){ |
|
677
|
|
|
|
|
678
|
|
|
if( !is_admin() || ! $this->is_admin_teacher() || is_numeric( $comments ) || ! is_array( $comments ) ){ |
|
679
|
|
|
return $comments ; |
|
680
|
|
|
} |
|
681
|
|
|
|
|
682
|
|
|
//check if we're on the grading screen |
|
683
|
|
|
$screen = get_current_screen(); |
|
684
|
|
|
|
|
685
|
|
|
if( empty( $screen ) || 'sensei_page_sensei_grading' != $screen->id ){ |
|
686
|
|
|
return $comments; |
|
687
|
|
|
} |
|
688
|
|
|
|
|
689
|
|
|
// get the course and determine if the current teacher is the owner |
|
690
|
|
|
// if not remove it from the list of comments to be returned |
|
691
|
|
|
foreach( $comments as $key => $comment){ |
|
692
|
|
|
$lesson = get_post( $comment->comment_post_ID ); |
|
693
|
|
|
$course_id = Sensei()->lesson->get_course_id( $lesson->ID ); |
|
694
|
|
|
$course = get_post( $course_id ); |
|
695
|
|
|
if( ! isset( $course->post_author ) || intval( $course->post_author) != intval( get_current_user_id() ) ){ |
|
696
|
|
|
//remove this as the teacher should see this. |
|
697
|
|
|
unset( $comments[ $key ] ); |
|
698
|
|
|
} |
|
699
|
|
|
} |
|
700
|
|
|
return $comments ; |
|
701
|
|
|
|
|
702
|
|
|
}// end function filter grading |
|
703
|
|
|
|
|
704
|
|
|
/** |
|
705
|
|
|
* Limit the grading screen totals to only show lessons in the course |
|
706
|
|
|
* belonging to the currently logged in teacher. This only applies to |
|
707
|
|
|
* the teacher role. |
|
708
|
|
|
* |
|
709
|
|
|
* @since 1.8.0 |
|
710
|
|
|
* |
|
711
|
|
|
* @hooked into sensei_count_statuses_args |
|
712
|
|
|
* @param array $args |
|
713
|
|
|
* |
|
714
|
|
|
* @return array $args |
|
715
|
|
|
*/ |
|
716
|
|
|
public function limit_grading_totals( $args ){ |
|
717
|
|
|
|
|
718
|
|
|
if( !is_admin() || ! $this->is_admin_teacher() || ! is_array( $args ) ){ |
|
719
|
|
|
return $args ; |
|
720
|
|
|
} |
|
721
|
|
|
|
|
722
|
|
|
//get the teachers courses |
|
723
|
|
|
// the query is already filtered to only the teacher |
|
724
|
|
|
$courses = Sensei()->course->get_all_courses(); |
|
725
|
|
|
|
|
726
|
|
|
if( empty( $courses ) || ! is_array( $courses ) ){ |
|
727
|
|
|
return $args; |
|
728
|
|
|
} |
|
729
|
|
|
|
|
730
|
|
|
//setup the lessons quizzes to limit the grading totals to |
|
731
|
|
|
$quiz_scope = array(); |
|
732
|
|
|
foreach( $courses as $course ){ |
|
733
|
|
|
|
|
734
|
|
|
$course_lessons = Sensei()->course->course_lessons( $course->ID ); |
|
735
|
|
|
|
|
736
|
|
|
if( ! empty( $course_lessons ) && is_array( $course_lessons ) ){ |
|
737
|
|
|
|
|
738
|
|
|
foreach( $course_lessons as $lesson ){ |
|
739
|
|
|
|
|
740
|
|
|
$quiz_id = Sensei()->lesson->lesson_quizzes( $lesson->ID ); |
|
741
|
|
|
if( !empty( $quiz_id ) ) { |
|
742
|
|
|
|
|
743
|
|
|
array_push( $quiz_scope, $quiz_id ); |
|
744
|
|
|
|
|
745
|
|
|
} |
|
746
|
|
|
|
|
747
|
|
|
} |
|
748
|
|
|
|
|
749
|
|
|
} |
|
750
|
|
|
|
|
751
|
|
|
} |
|
752
|
|
|
|
|
753
|
|
|
$args['post__in'] = $quiz_scope; |
|
754
|
|
|
|
|
755
|
|
|
return $args; |
|
756
|
|
|
} |
|
757
|
|
|
|
|
758
|
|
|
/** |
|
759
|
|
|
* It ensures that the author archive shows course by the current user. |
|
760
|
|
|
* |
|
761
|
|
|
* This function is hooked into the pre_get_posts filter |
|
762
|
|
|
* |
|
763
|
|
|
* @param WP_Query $query |
|
764
|
|
|
* @return WP_Query $query |
|
765
|
|
|
*/ |
|
766
|
|
|
public function add_courses_to_author_archive( $query ) { |
|
767
|
|
|
|
|
768
|
|
|
if ( is_admin() || ! $query->is_author() ){ |
|
769
|
|
|
return $query; |
|
770
|
|
|
} |
|
771
|
|
|
|
|
772
|
|
|
// this should only apply to users with the teacher role |
|
773
|
|
|
$current_page_user = get_user_by('login', $query->get('author_name') ); |
|
774
|
|
|
if( ! $current_page_user || ! in_array('teacher', $current_page_user->roles ) ) { |
|
775
|
|
|
|
|
776
|
|
|
return $query; |
|
777
|
|
|
|
|
778
|
|
|
} |
|
779
|
|
|
|
|
780
|
|
|
// Change post types depending on what is set already |
|
781
|
|
|
$current_post_types = $query->get( 'post_type' ); |
|
782
|
|
|
if( empty( $current_post_types ) ){ |
|
783
|
|
|
|
|
784
|
|
|
// if empty it means post by default, so add post so that it also includes that for now |
|
785
|
|
|
$new_post_types = array( 'post', 'course' ); |
|
786
|
|
|
|
|
787
|
|
|
} elseif( is_array( $current_post_types ) ) { |
|
788
|
|
|
|
|
789
|
|
|
// merge the post types instead of overwriting it |
|
790
|
|
|
$new_post_types = array_merge( $current_post_types, array( 'course' ) ); |
|
791
|
|
|
|
|
792
|
|
|
}else{ |
|
793
|
|
|
|
|
794
|
|
|
// in this instance it is probably just one post type in string format |
|
795
|
|
|
$new_post_types = array( $current_post_types , 'course'); |
|
796
|
|
|
|
|
797
|
|
|
} |
|
798
|
|
|
|
|
799
|
|
|
// change the query before returning it |
|
800
|
|
|
$query->set('post_type', $new_post_types ); |
|
801
|
|
|
|
|
802
|
|
|
/** |
|
803
|
|
|
* Change the query on the teacher author archive template |
|
804
|
|
|
* |
|
805
|
|
|
* @since 1.8.4 |
|
806
|
|
|
* @param WP_Query $query |
|
807
|
|
|
*/ |
|
808
|
|
|
return apply_filters( 'sensei_teacher_archive_query', $query ); |
|
809
|
|
|
|
|
810
|
|
|
} |
|
811
|
|
|
|
|
812
|
|
|
/** |
|
813
|
|
|
* Notify teacher when someone assigns a course to their account. |
|
814
|
|
|
* |
|
815
|
|
|
* @since 1.8.0 |
|
816
|
|
|
* |
|
817
|
|
|
* @param $teacher_id |
|
818
|
|
|
* @param $course_id |
|
819
|
|
|
* @return bool |
|
820
|
|
|
*/ |
|
821
|
|
|
public function teacher_course_assigned_notification( $teacher_id, $course_id ){ |
|
822
|
|
|
|
|
823
|
|
|
if( 'course' != get_post_type( $course_id ) || ! get_userdata( $teacher_id ) ){ |
|
824
|
|
|
return false; |
|
825
|
|
|
} |
|
826
|
|
|
|
|
827
|
|
|
// if new user is the same as the current logged user, they don't need an email |
|
828
|
|
|
if( $teacher_id == get_current_user_id() ){ |
|
829
|
|
|
return true; |
|
830
|
|
|
} |
|
831
|
|
|
|
|
832
|
|
|
// load the email class |
|
833
|
|
|
include('emails/class-woothemes-sensei-teacher-new-course-assignment.php'); |
|
834
|
|
|
$email = new Teacher_New_Course_Assignment(); |
|
835
|
|
|
$email->trigger( $teacher_id, $course_id ); |
|
836
|
|
|
|
|
837
|
|
|
return true; |
|
838
|
|
|
} // end teacher_course_assigned_notification |
|
839
|
|
|
|
|
840
|
|
|
/** |
|
841
|
|
|
* Email the admin when a teacher creates a new course |
|
842
|
|
|
* |
|
843
|
|
|
* This function hooks into wp_insert_post |
|
844
|
|
|
* |
|
845
|
|
|
* @since 1.8.0 |
|
846
|
|
|
* @param int $course_id |
|
|
|
|
|
|
847
|
|
|
* @return bool |
|
848
|
|
|
*/ |
|
849
|
|
|
public function notify_admin_teacher_course_creation( $new_status, $old_status, $post ){ |
|
850
|
|
|
|
|
851
|
|
|
$course_id = $post->ID; |
|
852
|
|
|
|
|
853
|
|
|
if( 'course' != get_post_type( $course_id ) || 'auto-draft' == get_post_status( $course_id ) |
|
854
|
|
|
|| 'trash' == get_post_status( $course_id ) || 'draft' == get_post_status( $course_id ) ) { |
|
855
|
|
|
|
|
856
|
|
|
return false; |
|
857
|
|
|
|
|
858
|
|
|
} |
|
859
|
|
|
|
|
860
|
|
|
/** |
|
861
|
|
|
* Filter the option to send admin notification emails when teachers creation |
|
862
|
|
|
* course. |
|
863
|
|
|
* |
|
864
|
|
|
* @since 1.8.0 |
|
865
|
|
|
* |
|
866
|
|
|
* @param bool $on default true |
|
867
|
|
|
*/ |
|
868
|
|
|
if( ! apply_filters('sensei_notify_admin_new_course_creation', true ) ){ |
|
869
|
|
|
return false; |
|
870
|
|
|
} |
|
871
|
|
|
|
|
872
|
|
|
// setting up the data needed by the email template |
|
873
|
|
|
global $sensei_email_data; |
|
874
|
|
|
$template = 'admin-teacher-new-course-created'; |
|
875
|
|
|
$course = get_post( $course_id ); |
|
876
|
|
|
$teacher = new WP_User( $course->post_author ); |
|
877
|
|
|
$recipient = get_option('admin_email', true); |
|
878
|
|
|
|
|
879
|
|
|
// don't send if the course is created by admin |
|
880
|
|
|
if( $recipient == $teacher->user_email ){ |
|
881
|
|
|
return; |
|
882
|
|
|
} |
|
883
|
|
|
|
|
884
|
|
|
/** |
|
885
|
|
|
* Filter the email Header for the admin-teacher-new-course-created template |
|
886
|
|
|
* |
|
887
|
|
|
* @since 1.8.0 |
|
888
|
|
|
* @param string $template |
|
889
|
|
|
*/ |
|
890
|
|
|
$heading = apply_filters( 'sensei_email_heading', __( 'New course created.', 'woothemes-sensei' ), $template ); |
|
891
|
|
|
|
|
892
|
|
|
/** |
|
893
|
|
|
* Filter the email subject for the the |
|
894
|
|
|
* admin-teacher-new-course-created template |
|
895
|
|
|
* |
|
896
|
|
|
* @since 1.8.0 |
|
897
|
|
|
* @param string $subject default New course assigned to you |
|
898
|
|
|
* @param string $template |
|
899
|
|
|
*/ |
|
900
|
|
|
$subject = apply_filters('sensei_email_subject', |
|
901
|
|
|
'['. get_bloginfo( 'name', 'display' ) .'] '. __( 'New course created by', 'woothemes-sensei' ) . ' ' . $teacher->display_name , |
|
902
|
|
|
$template ); |
|
903
|
|
|
|
|
904
|
|
|
//course edit link |
|
905
|
|
|
$course_edit_link = admin_url('post.php?post=' . $course_id . '&action=edit' ); |
|
906
|
|
|
|
|
907
|
|
|
// Construct data array |
|
908
|
|
|
$email_data = array( |
|
909
|
|
|
'template' => $template, |
|
910
|
|
|
'heading' => $heading, |
|
911
|
|
|
'teacher' => $teacher, |
|
912
|
|
|
'course_id' => $course_id, |
|
913
|
|
|
'course_name' => $course->post_title, |
|
914
|
|
|
'course_edit_link' => $course_edit_link, |
|
915
|
|
|
); |
|
916
|
|
|
|
|
917
|
|
|
/** |
|
918
|
|
|
* Filter the sensei email data for the admin-teacher-new-course-created template |
|
919
|
|
|
* |
|
920
|
|
|
* @since 1.8.0 |
|
921
|
|
|
* @param array $email_data |
|
922
|
|
|
* @param string $template |
|
923
|
|
|
*/ |
|
924
|
|
|
$sensei_email_data = apply_filters( 'sensei_email_data', $email_data , $template ); |
|
925
|
|
|
|
|
926
|
|
|
// Send mail |
|
927
|
|
|
Sensei()->emails->send( $recipient, $subject , Sensei()->emails->get_content( $template ) ); |
|
928
|
|
|
|
|
929
|
|
|
}// end notify admin of course creation |
|
930
|
|
|
|
|
931
|
|
|
/** |
|
932
|
|
|
* Limit the analysis view to only the users taking courses belong to this teacher |
|
933
|
|
|
* |
|
934
|
|
|
* Hooked into sensei_analysis_get_learners |
|
935
|
|
|
* @param array $args WP_User_Query arguments |
|
936
|
|
|
* @return array $learners_query_results |
|
937
|
|
|
*/ |
|
938
|
|
|
public function limit_analysis_learners( $args ){ |
|
939
|
|
|
|
|
940
|
|
|
// show default for none teachers |
|
941
|
|
|
if( ! Sensei()->teacher->is_admin_teacher() ) { |
|
942
|
|
|
return $args; |
|
943
|
|
|
} |
|
944
|
|
|
|
|
945
|
|
|
// for teachers all courses only return those which belong to the teacher |
|
946
|
|
|
// as they don't have access to course belonging to other users |
|
947
|
|
|
$teacher_courses = Sensei()->course->get_all_courses(); |
|
948
|
|
|
|
|
949
|
|
|
// if the user has no courses they should see no users |
|
950
|
|
|
if( empty( $teacher_courses ) || ! is_array( $teacher_courses ) ){ |
|
951
|
|
|
// tell the query to return 0 students |
|
952
|
|
|
$args[ 'include'] = array( 0 ); |
|
953
|
|
|
return $args; |
|
954
|
|
|
|
|
955
|
|
|
} |
|
956
|
|
|
|
|
957
|
|
|
$learner_ids_for_teacher_courses = array(); |
|
958
|
|
|
foreach( $teacher_courses as $course ){ |
|
959
|
|
|
|
|
960
|
|
|
$course_learner_ids = array(); |
|
961
|
|
|
$activity_comments = Sensei_Utils::sensei_check_for_activity( array( 'post_id' => $course->ID, 'type' => 'sensei_course_status', 'field' => 'user_id' ), true ); |
|
962
|
|
|
|
|
963
|
|
|
if( empty( $activity_comments ) || ( is_array( $activity_comments ) && ! ( count( $activity_comments ) > 0 ) ) ){ |
|
964
|
|
|
continue; // skip to the next course as there are no users on this course |
|
965
|
|
|
} |
|
966
|
|
|
|
|
967
|
|
|
// it could be an array of comments or a single comment |
|
968
|
|
|
if( is_array( $activity_comments ) ){ |
|
969
|
|
|
|
|
970
|
|
|
foreach( $activity_comments as $comment ){ |
|
971
|
|
|
|
|
972
|
|
|
$user = get_userdata( $comment->user_id ); |
|
973
|
|
|
|
|
974
|
|
|
if( empty( $user ) ){ |
|
975
|
|
|
// next comment in this array |
|
976
|
|
|
continue; |
|
977
|
|
|
} |
|
978
|
|
|
|
|
979
|
|
|
$course_learner_ids[] = $user->ID; |
|
980
|
|
|
} |
|
981
|
|
|
|
|
982
|
|
|
}else{ |
|
983
|
|
|
|
|
984
|
|
|
$user = get_userdata( $activity_comments->user_id ); |
|
985
|
|
|
$course_learner_ids[] = $user->ID; |
|
986
|
|
|
|
|
987
|
|
|
} |
|
988
|
|
|
|
|
989
|
|
|
// add learners on this course to the all courses learner list |
|
990
|
|
|
$learner_ids_for_teacher_courses = array_merge( $learner_ids_for_teacher_courses, $course_learner_ids ); |
|
991
|
|
|
|
|
992
|
|
|
} |
|
993
|
|
|
|
|
994
|
|
|
// if there are no students taking the courses by this teacher don't show them any of the other users |
|
995
|
|
|
if( empty( $learner_ids_for_teacher_courses ) ){ |
|
996
|
|
|
|
|
997
|
|
|
$args[ 'include'] = array( 0 ); |
|
998
|
|
|
|
|
999
|
|
|
}else{ |
|
1000
|
|
|
|
|
1001
|
|
|
$args[ 'include'] = $learner_ids_for_teacher_courses; |
|
1002
|
|
|
|
|
1003
|
|
|
} |
|
1004
|
|
|
|
|
1005
|
|
|
// return the WP_Use_Query arguments |
|
1006
|
|
|
return $args; |
|
1007
|
|
|
|
|
1008
|
|
|
}// end limit_analysis_learners |
|
1009
|
|
|
|
|
1010
|
|
|
/** |
|
1011
|
|
|
* Give teacher full admin access to the question post type |
|
1012
|
|
|
* in certain cases. |
|
1013
|
|
|
* |
|
1014
|
|
|
* @since 1.8.0 |
|
1015
|
|
|
* @param $questions |
|
1016
|
|
|
* @return mixed |
|
1017
|
|
|
*/ |
|
1018
|
|
|
public function allow_teacher_access_to_questions( $questions, $quiz_id ){ |
|
1019
|
|
|
|
|
1020
|
|
|
if( ! $this->is_admin_teacher() ){ |
|
1021
|
|
|
return $questions; |
|
1022
|
|
|
} |
|
1023
|
|
|
|
|
1024
|
|
|
$screen = get_current_screen(); |
|
1025
|
|
|
|
|
1026
|
|
|
// don't run this filter within this functions call to Sensei()->lesson->lesson_quiz_questions |
|
1027
|
|
|
remove_filter( 'sensei_lesson_quiz_questions', array( $this, 'allow_teacher_access_to_questions' ), 20 ); |
|
1028
|
|
|
|
|
1029
|
|
|
if( ! empty( $screen ) && 'lesson'== $screen->post_type ){ |
|
1030
|
|
|
|
|
1031
|
|
|
$admin_user = get_user_by('email', get_bloginfo('admin_email')); |
|
1032
|
|
|
if( ! empty($admin_user) ){ |
|
1033
|
|
|
|
|
1034
|
|
|
$current_teacher_id = get_current_user_id(); |
|
1035
|
|
|
|
|
1036
|
|
|
// set current user to admin so teacher can view all questions |
|
1037
|
|
|
wp_set_current_user( $admin_user->ID ); |
|
1038
|
|
|
$questions = Sensei()->lesson->lesson_quiz_questions( $quiz_id ); |
|
1039
|
|
|
|
|
1040
|
|
|
// set the teacher as the current use again |
|
1041
|
|
|
wp_set_current_user( $current_teacher_id ); |
|
1042
|
|
|
} |
|
1043
|
|
|
|
|
1044
|
|
|
} |
|
1045
|
|
|
// attach the filter again for other funtion calls to Sensei()->lesson->lesson_quiz_questions |
|
1046
|
|
|
add_filter( 'sensei_lesson_quiz_questions', array( $this, 'allow_teacher_access_to_questions' ), 20,2 ); |
|
1047
|
|
|
|
|
1048
|
|
|
return $questions; |
|
1049
|
|
|
} |
|
1050
|
|
|
|
|
1051
|
|
|
/** |
|
1052
|
|
|
* Give the teacher role access to questions from the question bank |
|
1053
|
|
|
* |
|
1054
|
|
|
* @since 1.8.0 |
|
1055
|
|
|
* @param $wp_query |
|
1056
|
|
|
* @return mixed |
|
1057
|
|
|
*/ |
|
1058
|
|
|
public function give_access_to_all_questions( $wp_query ){ |
|
1059
|
|
|
|
|
1060
|
|
|
if( ! $this->is_admin_teacher() || !function_exists( 'get_current_screen') || 'question' != $wp_query->get('post_type') ){ |
|
1061
|
|
|
|
|
1062
|
|
|
return $wp_query; |
|
1063
|
|
|
} |
|
1064
|
|
|
|
|
1065
|
|
|
$screen = get_current_screen(); |
|
1066
|
|
|
if( ( isset($screen->id) && 'lesson' == $screen->id ) |
|
1067
|
|
|
|| ( defined( 'DOING_AJAX' ) && DOING_AJAX ) ){ |
|
1068
|
|
|
|
|
1069
|
|
|
$admin_user = get_user_by('email', get_bloginfo('admin_email')); |
|
1070
|
|
|
if( ! empty($admin_user) ){ |
|
1071
|
|
|
|
|
1072
|
|
|
$current_teacher_id = get_current_user_id(); |
|
1073
|
|
|
|
|
1074
|
|
|
// set current user to admin so teacher can view all questions |
|
1075
|
|
|
wp_set_current_user( $admin_user->ID ); |
|
1076
|
|
|
|
|
1077
|
|
|
//run new query as admin |
|
1078
|
|
|
$wp_query = new WP_Query( $wp_query->query ); |
|
1079
|
|
|
|
|
1080
|
|
|
//set the teache as current use again |
|
1081
|
|
|
wp_set_current_user( $current_teacher_id ); |
|
1082
|
|
|
|
|
1083
|
|
|
} |
|
1084
|
|
|
} |
|
1085
|
|
|
|
|
1086
|
|
|
return $wp_query; |
|
1087
|
|
|
}// end give_access_to_all_questions |
|
1088
|
|
|
|
|
1089
|
|
|
/** |
|
1090
|
|
|
* Add new column heading to the course admin edit list |
|
1091
|
|
|
* |
|
1092
|
|
|
* @since 1.8.0 |
|
1093
|
|
|
* @param $columns |
|
1094
|
|
|
* @return array |
|
1095
|
|
|
*/ |
|
1096
|
|
|
public function course_column_heading($columns) { |
|
1097
|
|
|
|
|
1098
|
|
|
if( $this->is_admin_teacher() ){ |
|
1099
|
|
|
return $columns; |
|
1100
|
|
|
} |
|
1101
|
|
|
$new_columns = array( |
|
1102
|
|
|
'teacher' => __('Teacher', 'woothemes-sensei'), |
|
1103
|
|
|
); |
|
1104
|
|
|
return array_merge($columns, $new_columns); |
|
1105
|
|
|
|
|
1106
|
|
|
}// end teacher column add |
|
1107
|
|
|
|
|
1108
|
|
|
/** |
|
1109
|
|
|
* Print out teacher column data |
|
1110
|
|
|
* |
|
1111
|
|
|
* @since 1.8.0 |
|
1112
|
|
|
* @param $column |
|
1113
|
|
|
* @param $course_id |
|
1114
|
|
|
*/ |
|
1115
|
|
|
public function course_column_data( $column, $course_id ){ |
|
1116
|
|
|
|
|
1117
|
|
|
if( $this->is_admin_teacher() || 'teacher' != $column ){ |
|
1118
|
|
|
return; |
|
1119
|
|
|
} |
|
1120
|
|
|
|
|
1121
|
|
|
$course = get_post( $course_id ); |
|
1122
|
|
|
$teacher = get_userdata( $course->post_author ); |
|
1123
|
|
|
|
|
1124
|
|
|
if( !$teacher ){ |
|
1125
|
|
|
return; |
|
1126
|
|
|
} |
|
1127
|
|
|
|
|
1128
|
|
|
echo '<a href="'. get_edit_user_link( $teacher->ID ) .'" >'. $teacher->display_name.'</a>'; |
|
1129
|
|
|
|
|
1130
|
|
|
}// end course_column_ data |
|
1131
|
|
|
|
|
1132
|
|
|
/** |
|
1133
|
|
|
* Return only courses belonging to the given teacher. |
|
1134
|
|
|
* |
|
1135
|
|
|
* |
|
1136
|
|
|
* @since 1.8.0 |
|
1137
|
|
|
* |
|
1138
|
|
|
* @param int $teacher_id |
|
1139
|
|
|
* @param bool $return_ids_only |
|
1140
|
|
|
* |
|
1141
|
|
|
* @return array $teachers_courses |
|
1142
|
|
|
*/ |
|
1143
|
|
|
public function get_teacher_courses( $teacher_id, $return_ids_only= false){ |
|
1144
|
|
|
|
|
1145
|
|
|
$teachers_courses = array(); |
|
1146
|
|
|
|
|
1147
|
|
|
if( empty( $teacher_id ) ){ |
|
1148
|
|
|
$teacher_id = get_current_user_id(); |
|
1149
|
|
|
} |
|
1150
|
|
|
|
|
1151
|
|
|
$all_courses = Sensei()->course->get_all_courses(); |
|
1152
|
|
|
|
|
1153
|
|
|
if( empty( $all_courses ) ){ |
|
1154
|
|
|
return $all_courses; |
|
1155
|
|
|
} |
|
1156
|
|
|
|
|
1157
|
|
|
foreach( $all_courses as $course ){ |
|
1158
|
|
|
|
|
1159
|
|
|
if( $course->post_author != $teacher_id ){ |
|
1160
|
|
|
continue; |
|
1161
|
|
|
} |
|
1162
|
|
|
|
|
1163
|
|
|
if( $return_ids_only ){ |
|
1164
|
|
|
|
|
1165
|
|
|
$teachers_courses[] = $course->ID; |
|
1166
|
|
|
|
|
1167
|
|
|
}else{ |
|
1168
|
|
|
|
|
1169
|
|
|
$teachers_courses[] = $course; |
|
1170
|
|
|
|
|
1171
|
|
|
} |
|
1172
|
|
|
|
|
1173
|
|
|
} |
|
1174
|
|
|
|
|
1175
|
|
|
return $teachers_courses; |
|
1176
|
|
|
|
|
1177
|
|
|
} |
|
1178
|
|
|
|
|
1179
|
|
|
/** |
|
1180
|
|
|
* Limit the message display to only those sent to the current teacher |
|
1181
|
|
|
* |
|
1182
|
|
|
* @since 1.8.0 |
|
1183
|
|
|
* |
|
1184
|
|
|
* @param $query |
|
1185
|
|
|
* @return mixed |
|
1186
|
|
|
*/ |
|
1187
|
|
|
public function limit_edit_messages_query( $query ){ |
|
1188
|
|
|
if( ! $this->is_admin_teacher() || 'sensei_message' != $query->get('post_type') ){ |
|
1189
|
|
|
return $query; |
|
1190
|
|
|
} |
|
1191
|
|
|
|
|
1192
|
|
|
$teacher = wp_get_current_user(); |
|
1193
|
|
|
|
|
1194
|
|
|
$query->set( 'meta_key', '_receiver' ); |
|
1195
|
|
|
$meta_query_args = array( |
|
1196
|
|
|
'key' => '_receiver', |
|
1197
|
|
|
'value' => $teacher->get('user_login') , |
|
1198
|
|
|
'compare' => '=' |
|
1199
|
|
|
); |
|
1200
|
|
|
|
|
1201
|
|
|
$query->set('meta_query', $meta_query_args ); |
|
1202
|
|
|
|
|
1203
|
|
|
return $query; |
|
1204
|
|
|
} |
|
1205
|
|
|
|
|
1206
|
|
|
|
|
1207
|
|
|
/** |
|
1208
|
|
|
* Add options to filter courses by teacher |
|
1209
|
|
|
* |
|
1210
|
|
|
* @since 1.8.0 |
|
1211
|
|
|
* |
|
1212
|
|
|
* @return void |
|
1213
|
|
|
*/ |
|
1214
|
|
|
public function course_teacher_filter_options() { |
|
1215
|
|
|
global $typenow; |
|
1216
|
|
|
|
|
1217
|
|
|
if( ! is_admin() || 'course' != $typenow || ! current_user_can('manage_sensei') ) { |
|
1218
|
|
|
return; |
|
1219
|
|
|
} |
|
1220
|
|
|
|
|
1221
|
|
|
// get all roles |
|
1222
|
|
|
$roles = get_editable_roles(); |
|
1223
|
|
|
|
|
1224
|
|
|
// get roles with the course edit capability |
|
1225
|
|
|
// and then get the users with those roles |
|
1226
|
|
|
$users_who_can_edit_courses = array(); |
|
1227
|
|
|
foreach( $roles as $role_item ){ |
|
1228
|
|
|
|
|
1229
|
|
|
$role = get_role( strtolower( $role_item['name'] ) ); |
|
1230
|
|
|
|
|
1231
|
|
|
if( is_a( $role, 'WP_Role' ) && $role->has_cap('edit_courses') ){ |
|
1232
|
|
|
|
|
1233
|
|
|
$user_query_args = array( 'role' => $role->name, 'fields' => array( 'ID', 'display_name' ) ); |
|
1234
|
|
|
$role_users_who_can_edit_courses = get_users( $user_query_args ); |
|
1235
|
|
|
|
|
1236
|
|
|
// add user from the current $user_role to all users |
|
1237
|
|
|
$users_who_can_edit_courses = array_merge( $users_who_can_edit_courses, $role_users_who_can_edit_courses ); |
|
1238
|
|
|
|
|
1239
|
|
|
} |
|
1240
|
|
|
|
|
1241
|
|
|
} |
|
1242
|
|
|
|
|
1243
|
|
|
// Create the select element with the given users who can edit course |
|
1244
|
|
|
$selected = isset( $_GET['course_teacher'] ) ? $_GET['course_teacher'] : ''; |
|
1245
|
|
|
$course_options = ''; |
|
1246
|
|
|
foreach( $users_who_can_edit_courses as $user ) { |
|
1247
|
|
|
$course_options .= '<option value="' . esc_attr( $user->ID ) . '" ' . selected( $selected, $user->ID, false ) . '>' . $user->display_name . '</option>'; |
|
1248
|
|
|
} |
|
1249
|
|
|
|
|
1250
|
|
|
$output = '<select name="course_teacher" id="dropdown_course_teachers">'; |
|
1251
|
|
|
$output .= '<option value="">'.__( 'Show all teachers', 'woothemes-sensei' ).'</option>'; |
|
1252
|
|
|
$output .= $course_options; |
|
1253
|
|
|
$output .= '</select>'; |
|
1254
|
|
|
|
|
1255
|
|
|
echo $output; |
|
1256
|
|
|
} |
|
1257
|
|
|
|
|
1258
|
|
|
/** |
|
1259
|
|
|
* Modify the main query on the admin course list screen |
|
1260
|
|
|
* |
|
1261
|
|
|
* @since 1.8.0 |
|
1262
|
|
|
* |
|
1263
|
|
|
* @param $query |
|
1264
|
|
|
* @return $query |
|
|
|
|
|
|
1265
|
|
|
*/ |
|
1266
|
|
|
public function teacher_filter_query_modify( $query ){ |
|
1267
|
|
|
global $typenow; |
|
1268
|
|
|
|
|
1269
|
|
|
if( ! is_admin() && 'course' != $typenow || ! current_user_can('manage_sensei') ) { |
|
1270
|
|
|
return $query; |
|
1271
|
|
|
} |
|
1272
|
|
|
$course_teacher = isset( $_GET['course_teacher'] ) ? $_GET['course_teacher'] : ''; |
|
1273
|
|
|
|
|
1274
|
|
|
if( empty( $course_teacher ) ) { |
|
1275
|
|
|
return $query; |
|
1276
|
|
|
} |
|
1277
|
|
|
|
|
1278
|
|
|
$query['author'] = $course_teacher; |
|
1279
|
|
|
return $query; |
|
1280
|
|
|
} |
|
1281
|
|
|
|
|
1282
|
|
|
/** |
|
1283
|
|
|
* Only show current teacher's media in the media library |
|
1284
|
|
|
* @param array $request Default request arguments |
|
1285
|
|
|
* @return array Modified request arguments |
|
1286
|
|
|
*/ |
|
1287
|
|
|
public function restrict_media_library( $request = array() ) { |
|
1288
|
|
|
|
|
1289
|
|
|
if( ! is_admin() ) { |
|
1290
|
|
|
return $request; |
|
1291
|
|
|
} |
|
1292
|
|
|
|
|
1293
|
|
|
if( ! $this->is_admin_teacher() ) { |
|
1294
|
|
|
return $request; |
|
1295
|
|
|
} |
|
1296
|
|
|
|
|
1297
|
|
|
$screen = get_current_screen(); |
|
1298
|
|
|
|
|
1299
|
|
|
if( in_array( $screen->id, array( 'upload', 'course', 'lesson', 'question' ) ) ) { |
|
1300
|
|
|
$teacher = intval( get_current_user_id() ); |
|
1301
|
|
|
|
|
1302
|
|
|
if( $teacher ) { |
|
1303
|
|
|
$request['author__in'] = array( $teacher ); |
|
1304
|
|
|
} |
|
1305
|
|
|
} |
|
1306
|
|
|
|
|
1307
|
|
|
return $request; |
|
1308
|
|
|
} // End restrict_media_library() |
|
1309
|
|
|
|
|
1310
|
|
|
/** |
|
1311
|
|
|
* Only show current teacher's media in the media library modal on the course/lesson/quesion edit screen |
|
1312
|
|
|
* @param array $query Default query arguments |
|
1313
|
|
|
* @return array Modified query arguments |
|
1314
|
|
|
*/ |
|
1315
|
|
|
public function restrict_media_library_modal( $query = array() ) { |
|
1316
|
|
|
|
|
1317
|
|
|
if( ! is_admin() ) { |
|
1318
|
|
|
return $query; |
|
1319
|
|
|
} |
|
1320
|
|
|
|
|
1321
|
|
|
if( ! $this->is_admin_teacher() ) { |
|
1322
|
|
|
return $query; |
|
1323
|
|
|
} |
|
1324
|
|
|
|
|
1325
|
|
|
$teacher = intval( get_current_user_id() ); |
|
1326
|
|
|
|
|
1327
|
|
|
if( $teacher ) { |
|
1328
|
|
|
$query['author__in'] = array( $teacher ); |
|
1329
|
|
|
} |
|
1330
|
|
|
|
|
1331
|
|
|
return $query; |
|
1332
|
|
|
} // End restrict_media_library_modal() |
|
1333
|
|
|
|
|
1334
|
|
|
/** |
|
1335
|
|
|
* When saving the lesson, update the teacher if the lesson belongs to a course |
|
1336
|
|
|
* |
|
1337
|
|
|
* @since 1.8.0 |
|
1338
|
|
|
* |
|
1339
|
|
|
* @param int $lesson_id |
|
1340
|
|
|
*/ |
|
1341
|
|
|
public function update_lesson_teacher( $lesson_id ){ |
|
1342
|
|
|
|
|
1343
|
|
|
if( 'lesson'!= get_post_type() ){ |
|
1344
|
|
|
return; |
|
1345
|
|
|
} |
|
1346
|
|
|
|
|
1347
|
|
|
// this should only run once per request cycle |
|
1348
|
|
|
remove_action( 'save_post', array( $this, 'update_lesson_teacher' ) ); |
|
1349
|
|
|
|
|
1350
|
|
|
$course_id = Sensei()->lesson->get_course_id( $lesson_id ); |
|
1351
|
|
|
|
|
1352
|
|
|
if( empty( $course_id ) || ! $course_id ){ |
|
1353
|
|
|
return; |
|
1354
|
|
|
} |
|
1355
|
|
|
|
|
1356
|
|
|
$course = get_post( $course_id ); |
|
1357
|
|
|
|
|
1358
|
|
|
$lesson_update_args= array( |
|
1359
|
|
|
'ID' => $lesson_id , |
|
1360
|
|
|
'post_author' => $course->post_author |
|
1361
|
|
|
); |
|
1362
|
|
|
wp_update_post( $lesson_update_args ); |
|
1363
|
|
|
|
|
1364
|
|
|
} // end update_lesson_teacher |
|
1365
|
|
|
|
|
1366
|
|
|
/** |
|
1367
|
|
|
* Sensei_Teacher::limit_teacher_edit_screen_post_types |
|
1368
|
|
|
* |
|
1369
|
|
|
* Limit teachers to only see their courses, lessons and questions |
|
1370
|
|
|
* |
|
1371
|
|
|
* @since 1.8.0 |
|
1372
|
|
|
* @access public |
|
1373
|
|
|
* @parameters array $wp_query |
|
1374
|
|
|
* @return WP_Query $wp_query |
|
1375
|
|
|
*/ |
|
1376
|
|
|
public function limit_teacher_edit_screen_post_types( $wp_query ) { |
|
1377
|
|
|
global $current_user; |
|
1378
|
|
|
|
|
1379
|
|
|
//exit early |
|
1380
|
|
|
if( ! $this->is_admin_teacher() ){ |
|
1381
|
|
|
return $wp_query; |
|
1382
|
|
|
} |
|
1383
|
|
|
|
|
1384
|
|
|
if ( ! function_exists( 'get_current_screen' ) ) { |
|
1385
|
|
|
return $wp_query; |
|
1386
|
|
|
} |
|
1387
|
|
|
|
|
1388
|
|
|
$screen = get_current_screen(); |
|
1389
|
|
|
|
|
1390
|
|
|
if( empty( $screen ) ){ |
|
1391
|
|
|
return $wp_query; |
|
1392
|
|
|
} |
|
1393
|
|
|
|
|
1394
|
|
|
// for any of these conditions limit what the teacher will see |
|
1395
|
|
|
$limit_screens = array( |
|
1396
|
|
|
'edit-lesson', |
|
1397
|
|
|
'edit-course', |
|
1398
|
|
|
'edit-question', |
|
1399
|
|
|
'course_page_course-order', |
|
1400
|
|
|
'lesson_page_lesson-order', |
|
1401
|
|
|
); |
|
1402
|
|
|
|
|
1403
|
|
|
if( in_array($screen->id , $limit_screens ) ) { |
|
1404
|
|
|
|
|
1405
|
|
|
// set the query author to the current user to only show those those posts |
|
1406
|
|
|
$wp_query->set( 'author', $current_user->ID ); |
|
1407
|
|
|
} |
|
1408
|
|
|
|
|
1409
|
|
|
return $wp_query; |
|
1410
|
|
|
|
|
1411
|
|
|
} // end limit_teacher_edit_screen_post_types() |
|
1412
|
|
|
|
|
1413
|
|
|
|
|
1414
|
|
|
/** |
|
1415
|
|
|
* Sensei_Teacher::teacher_login_redirect |
|
1416
|
|
|
* |
|
1417
|
|
|
* Redirect teachers to /wp-admin/ after login |
|
1418
|
|
|
* |
|
1419
|
|
|
* @since 1.8.7 |
|
1420
|
|
|
* @access public |
|
1421
|
|
|
* @param string $user_login |
|
1422
|
|
|
* @param object $user |
|
1423
|
|
|
* @return void |
|
1424
|
|
|
*/ |
|
1425
|
|
|
|
|
1426
|
|
|
public function teacher_login_redirect( $user_login, $user ) { |
|
1427
|
|
|
|
|
1428
|
|
|
if (user_can($user, 'edit_courses')) { |
|
1429
|
|
|
|
|
1430
|
|
|
if (isset($_POST['redirect_to'])) { |
|
1431
|
|
|
|
|
1432
|
|
|
wp_redirect($_POST['redirect_to'], 303); |
|
1433
|
|
|
|
|
1434
|
|
|
exit; |
|
1435
|
|
|
|
|
1436
|
|
|
} else { |
|
1437
|
|
|
|
|
1438
|
|
|
wp_redirect(admin_url(), 303); |
|
1439
|
|
|
|
|
1440
|
|
|
exit; |
|
1441
|
|
|
|
|
1442
|
|
|
} |
|
1443
|
|
|
} |
|
1444
|
|
|
|
|
1445
|
|
|
} // end teacher_login_redirect() |
|
1446
|
|
|
|
|
1447
|
|
|
|
|
1448
|
|
|
|
|
1449
|
|
|
/** |
|
1450
|
|
|
* Sensei_Teacher::restrict_posts_menu_page() |
|
1451
|
|
|
* |
|
1452
|
|
|
* Remove the Posts menu page for teachers and restrict access to it. |
|
1453
|
|
|
* We have to do this because we give teachers the 'edit_posts' cap |
|
1454
|
|
|
* so they can 'moderate_comments' as well. |
|
1455
|
|
|
* |
|
1456
|
|
|
* @since 1.8.7 |
|
1457
|
|
|
* @access public |
|
1458
|
|
|
* @parameters void |
|
1459
|
|
|
* @return void |
|
1460
|
|
|
*/ |
|
1461
|
|
|
|
|
1462
|
|
|
public function restrict_posts_menu_page() { |
|
1463
|
|
|
|
|
1464
|
|
|
global $pagenow, $typenow; |
|
1465
|
|
|
|
|
1466
|
|
|
$user = wp_get_current_user(); |
|
1467
|
|
|
|
|
1468
|
|
|
/** |
|
1469
|
|
|
* Filter the option to hide the Posts menu page. |
|
1470
|
|
|
* |
|
1471
|
|
|
* @since 1.8.7 |
|
1472
|
|
|
* |
|
1473
|
|
|
* @param bool $restrict default true |
|
1474
|
|
|
*/ |
|
1475
|
|
|
|
|
1476
|
|
|
$restrict = apply_filters('sensei_restrict_posts_menu_page', true ); |
|
1477
|
|
|
|
|
1478
|
|
|
if ( in_array( 'teacher', (array) $user->roles ) && !current_user_can('delete_posts') && $restrict) { |
|
1479
|
|
|
|
|
1480
|
|
|
remove_menu_page('edit.php'); |
|
1481
|
|
|
|
|
1482
|
|
|
if ($pagenow == "edit.php" || $pagenow == "post-new.php") { |
|
1483
|
|
|
|
|
1484
|
|
|
if ($typenow == '' || $typenow == 'post' || $typenow == 'page') { |
|
1485
|
|
|
|
|
1486
|
|
|
wp_die('You do not have sufficient permissions to access this page.'); |
|
1487
|
|
|
|
|
1488
|
|
|
} |
|
1489
|
|
|
|
|
1490
|
|
|
} |
|
1491
|
|
|
|
|
1492
|
|
|
} |
|
1493
|
|
|
|
|
1494
|
|
|
} // end restrict_posts_menu_page() |
|
1495
|
|
|
|
|
1496
|
|
|
/** |
|
1497
|
|
|
* Sensei_Teacher::restrict_comment_moderation() |
|
1498
|
|
|
* |
|
1499
|
|
|
* Restrict commendation moderation for teachers |
|
1500
|
|
|
* so they can only moderate comments made to posts they own. |
|
1501
|
|
|
* |
|
1502
|
|
|
* @since 1.8.7 |
|
1503
|
|
|
* @access public |
|
1504
|
|
|
* @parameters obj $clauses |
|
1505
|
|
|
* @return obj $clauses |
|
1506
|
|
|
*/ |
|
1507
|
|
|
|
|
1508
|
|
|
public function restrict_comment_moderation($clauses) { |
|
1509
|
|
|
|
|
1510
|
|
|
global $pagenow; |
|
1511
|
|
|
|
|
1512
|
|
|
if( self::is_a_teacher( get_current_user_id() ) && $pagenow == "edit-comments.php") { |
|
1513
|
|
|
|
|
1514
|
|
|
$clauses->query_vars['post_author'] = get_current_user_id(); |
|
1515
|
|
|
|
|
1516
|
|
|
} |
|
1517
|
|
|
|
|
1518
|
|
|
return $clauses; |
|
1519
|
|
|
|
|
1520
|
|
|
} // end restrict_comment_moderation() |
|
1521
|
|
|
|
|
1522
|
|
|
/** |
|
1523
|
|
|
* Determine if a user is a teacher by ID |
|
1524
|
|
|
* |
|
1525
|
|
|
* @param int $user_id |
|
1526
|
|
|
* |
|
1527
|
|
|
* @return bool |
|
1528
|
|
|
*/ |
|
1529
|
|
|
public static function is_a_teacher( $user_id ){ |
|
1530
|
|
|
|
|
1531
|
|
|
$user = get_user_by('id', $user_id); |
|
1532
|
|
|
|
|
1533
|
|
|
if( isset( $user->roles ) && in_array( 'teacher', $user->roles ) ){ |
|
1534
|
|
|
|
|
1535
|
|
|
return true; |
|
1536
|
|
|
|
|
1537
|
|
|
}else{ |
|
1538
|
|
|
|
|
1539
|
|
|
return false; |
|
1540
|
|
|
|
|
1541
|
|
|
} |
|
1542
|
|
|
|
|
1543
|
|
|
}// end is_a_teacher |
|
1544
|
|
|
|
|
1545
|
|
|
/** |
|
1546
|
|
|
* The archive title on the teacher archive filter |
|
1547
|
|
|
* |
|
1548
|
|
|
* @since 1.9.0 |
|
1549
|
|
|
*/ |
|
1550
|
|
|
public static function archive_title(){ |
|
1551
|
|
|
|
|
1552
|
|
|
$author = get_user_by( 'id', get_query_var( 'author' ) ); |
|
1553
|
|
|
$author_name = $author->display_name; |
|
1554
|
|
|
?> |
|
1555
|
|
|
<h2 class="teacher-archive-title"> |
|
1556
|
|
|
|
|
1557
|
|
|
<?php echo sprintf( __( 'All courses by %s', 'woothemes-sensei') , $author_name ); ?> |
|
1558
|
|
|
|
|
1559
|
|
|
</h2> |
|
1560
|
|
|
<?php |
|
1561
|
|
|
|
|
1562
|
|
|
}// archive title |
|
1563
|
|
|
|
|
1564
|
|
|
/** |
|
1565
|
|
|
* Removing course meta on the teacher archive page |
|
1566
|
|
|
* |
|
1567
|
|
|
* @since 1.9.0 |
|
1568
|
|
|
*/ |
|
1569
|
|
|
public static function remove_course_meta_on_teacher_archive(){ |
|
1570
|
|
|
|
|
1571
|
|
|
remove_action('sensei_course_content_inside_before', array( Sensei()->course, 'the_course_meta' ) ); |
|
1572
|
|
|
|
|
1573
|
|
|
} |
|
1574
|
|
|
|
|
1575
|
|
|
} // End Class |
|
1576
|
|
|
|
woothemes /
sensei
Loading history...
This check looks from parameters that have been defined for a function or method, but which are not used in the method body.