%PDF-
%PDF-
Mini Shell
Mini Shell
<?php
/**
* Manage Q & A
*
* @package Tutor\Q_And_A
* @author Themeum <support@themeum.com>
* @link https://themeum.com
* @since 1.0.0
*/
namespace TUTOR;
use Tutor\Helpers\QueryHelper;
if ( ! defined( 'ABSPATH' ) ) {
exit;
}
/**
* Question answer management
*
* @since 1.0.0
*/
class Q_And_A {
/**
* Register hooks
*
* @param boolean $register_hooks true/false to execute the hooks.
*/
public function __construct( $register_hooks = true ) {
if ( ! $register_hooks ) {
return;
}
add_action( 'wp_ajax_tutor_qna_create_update', array( $this, 'tutor_qna_create_update' ) );
/**
* Delete question
*
* @since v.1.6.4
*/
add_action( 'wp_ajax_tutor_delete_dashboard_question', array( $this, 'tutor_delete_dashboard_question' ) );
/**
* Take action against single qna
*
* @since v2.0.0
*/
add_action( 'wp_ajax_tutor_qna_single_action', array( $this, 'tutor_qna_single_action' ) );
add_action( 'wp_ajax_tutor_qna_bulk_action', array( $this, 'process_bulk_action' ) );
/**
* Q & A load more
*
* @since v2.0.6
*/
add_action( 'wp_ajax_tutor_q_and_a_load_more', __CLASS__ . '::load_more' );
}
/**
* Check user has access to QnA.
*
* @since 2.6.1
*
* @param int $user_id user id.
* @param int $course_id course id.
*
* @return boolean
*/
public static function has_qna_access( $user_id, $course_id ) {
$is_public_course = Course_List::is_public( $course_id );
$has_access = $is_public_course
|| User::is_admin()
|| tutor_utils()->is_instructor_of_this_course( $user_id, $course_id )
|| tutor_utils()->is_enrolled( $course_id, $user_id );
return $has_access;
}
/**
* Undocumented function
*
* @since v1.0.0
*
* @return void
*/
public function tutor_qna_create_update() {
tutor_utils()->checking_nonce();
$user_id = get_current_user_id();
$course_id = Input::post( 'course_id', 0, Input::TYPE_INT );
if ( ! $this->has_qna_access( $user_id, $course_id ) ) {
wp_send_json_error( array( 'message' => tutor_utils()->error_message() ) );
}
$qna_text = Input::post( 'answer', '', tutor()->has_pro ? Input::TYPE_KSES_POST : Input::TYPE_TEXTAREA );
if ( ! $qna_text ) {
// Content validation.
wp_send_json_error( array( 'message' => __( 'Empty Content Not Allowed!', 'tutor' ) ) );
}
// Prepare course, question info.
$course_id = Input::post( 'course_id', 0, Input::TYPE_INT );
$question_id = Input::post( 'question_id', 0, Input::TYPE_INT );
$context = Input::post( 'context' );
// Prepare user info.
$user = get_userdata( $user_id );
$date = gmdate( 'Y-m-d H:i:s', tutor_time() );
$qna_object = new \stdClass();
$qna_object->user_id = $user_id;
$qna_object->course_id = $course_id;
$qna_object->question_id = $question_id;
$qna_object->qna_text = $qna_text;
$qna_object->user = $user;
$qna_object->date = $date;
$question_id = $this->inset_qna( $qna_object );
// Provide the html now.
// phpcs:disable WordPress.Security.NonceVerification.Missing
ob_start();
tutor_load_template_from_custom_path(
tutor()->path . '/views/qna/qna-single.php',
array(
'question_id' => $question_id,
'back_url' => isset( $_POST['back_url'] ) ? esc_url_raw( wp_unslash( $_POST['back_url'] ) ) : '',
'context' => $context,
)
);
wp_send_json_success(
array(
'html' => ob_get_clean(),
'editor_id' => 'tutor_qna_reply_editor_' . $question_id,
)
);
}
/**
* Function to insert Q&A
*
* @param object $qna_object the object to insert.
* @return int
*/
public function inset_qna( $qna_object ) {
$course_id = $qna_object->course_id;
$question_id = $qna_object->question_id;
$qna_text = $qna_object->qna_text;
$user_id = $qna_object->user_id;
$user = $qna_object->user;
$date = $qna_object->date;
// Insert data prepare.
$data = apply_filters(
'tutor_qna_insert_data',
array(
'comment_post_ID' => $course_id,
'comment_author' => $user->user_login,
'comment_date' => $date,
'comment_date_gmt' => get_gmt_from_date( $date ),
'comment_content' => $qna_text,
'comment_approved' => 'approved',
'comment_agent' => 'TutorLMSPlugin',
'comment_type' => 'tutor_q_and_a',
'comment_parent' => $question_id,
'user_id' => $user_id,
)
);
global $wpdb;
// Insert new question/answer.
$wpdb->insert( $wpdb->comments, $data );
! $question_id ? $question_id = (int) $wpdb->insert_id : 0;
// Mark the question unseen if action made from student.
$asker_id = $this->get_asker_id( $question_id );
$self = $asker_id == $user_id;
update_comment_meta( $question_id, 'tutor_qna_read' . ( $self ? '' : '_' . $asker_id ), 0 );
do_action( 'tutor_after_asked_question', $data );
// question_id != 0 means it's a reply.
$reply_id = Input::post( 'question_id', 0, Input::TYPE_INT );
$answer_id = (int) $wpdb->insert_id;
if ( 0 !== $reply_id && ( current_user_can( 'administrator' ) || tutor_utils()->is_instructor_of_this_course( $user_id, $course_id ) ) ) {
do_action( 'tutor_after_answer_to_question', $answer_id );
}
return $question_id;
}
/**
* Delete question [frontend dashboard]
*
* @since v.1.6.4
*/
public function tutor_delete_dashboard_question() {
tutor_utils()->checking_nonce();
$question_id = Input::post( 'question_id', 0, Input::TYPE_INT );
if ( ! $question_id || ! tutor_utils()->can_user_manage( 'qa_question', $question_id ) ) {
wp_send_json_error( array( 'message' => __( 'Access Denied', 'tutor' ) ) );
}
$this->delete_qna_permanently( array( $question_id ) );
wp_send_json_success();
}
/**
* Undocumented function
*
* @param array $question_ids question ids.
*
* @return void
*/
public function delete_qna_permanently( $question_ids ) {
if ( is_array( $question_ids ) && count( $question_ids ) ) {
global $wpdb;
// Prepare in clause.
$question_ids = QueryHelper::prepare_in_clause( $question_ids );
// Deleting question (comment), child question and question meta (comment meta).
$wpdb->query(
$wpdb->prepare(
"DELETE
FROM {$wpdb->comments}
WHERE {$wpdb->comments}.comment_ID IN ($question_ids)
AND 1 = %d
",
1
)
);
$wpdb->query(
$wpdb->prepare(
"DELETE
FROM {$wpdb->comments}
WHERE {$wpdb->comments}.comment_parent IN ($question_ids)
AND 1 = %d
",
1
)
);
$wpdb->query(
$wpdb->prepare(
"DELETE
FROM {$wpdb->commentmeta}
WHERE {$wpdb->commentmeta}.comment_id IN ($question_ids)
AND 1 = %d
",
1
)
);
}
}
/**
* Process bulk delete
*
* @since v1.0.0
*
* @return void send wp_json response
*/
public function process_bulk_action() {
tutor_utils()->checking_nonce();
$user_id = get_current_user_id();
$action = Input::post( 'bulk-action' );
switch ( $action ) {
case 'delete':
$qa_ids = Input::post( 'bulk-ids', '' );
$qa_ids = explode( ',', $qa_ids );
$qa_ids = array_filter(
$qa_ids,
function ( $id ) use ( $user_id ) {
return is_numeric( $id ) && tutor_utils()->can_user_manage( 'qa_question', $id, $user_id );
}
);
$this->delete_qna_permanently( $qa_ids );
break;
}
wp_send_json_success();
}
/**
* Get user id who asked
*
* @param int $question_id question id.
*
* @return string author id
*/
private function get_asker_id( $question_id ) {
global $wpdb;
$author_id = $wpdb->get_var(
$wpdb->prepare(
"SELECT user_id
FROM {$wpdb->comments}
WHERE comment_ID = %d
",
$question_id
)
);
return $author_id;
}
/**
* Update comment meta function
*
* @return void send wp_json response
*/
public function tutor_qna_single_action() {
tutor_utils()->checking_nonce();
$question_id = Input::post( 'question_id', 0, Input::TYPE_INT );
if ( ! tutor_utils()->can_user_manage( 'qa_question', $question_id ) ) {
wp_send_json_error( array( 'message' => __( 'Permission Denied!', 'tutor' ) ) );
}
// Get who asked the question.
$context = Input::post( 'context', '' );
$user_id = get_current_user_id();
// Get the existing value from meta.
$action = Input::post( 'qna_action', '' );
$new_value = $this->trigger_qna_action( $question_id, $action, $context, $user_id );
// Transfer the new status.
wp_send_json_success( array( 'new_value' => $new_value ) );
}
/**
* Function to update Q&A action
*
* @since 2.6.2
*
* @param int $question_id question id.
* @param string $action action name.
* @param string $context context name.
* @param int $user_id user id.
*
* @return int
*/
public function trigger_qna_action( $question_id, $action, $context, $user_id ) {
$asker_prefix = 'frontend-dashboard-qna-table-student' === $context ? '_' . $user_id : '';
// If current user asker, then make it unread for self.
// If it is instructor, then make unread for instructor side.
$meta_key = 'tutor_qna_' . $action . $asker_prefix;
$current_value = (int) get_comment_meta( $question_id, $meta_key, true );
$new_value = 1 === $current_value ? 0 : 1;
// Update the reverted value.
update_comment_meta( $question_id, $meta_key, $new_value );
return $new_value;
}
/**
* Available tabs that will visible on the right side of page navbar
*
* @since v2.0.0
*
* @param mixed $asker_id asker id.
*
* @return array
*/
public static function tabs_key_value( $asker_id = null ) {
$stats = array(
'all' => tutor_utils()->get_qa_questions( 0, 99999, '', null, null, $asker_id, null, true ),
'read' => tutor_utils()->get_qa_questions( 0, 99999, '', null, null, $asker_id, 'read', true ),
'unread' => tutor_utils()->get_qa_questions( 0, 99999, '', null, null, $asker_id, 'unread', true ),
'important' => tutor_utils()->get_qa_questions( 0, 99999, '', null, null, $asker_id, 'important', true ),
'archived' => tutor_utils()->get_qa_questions( 0, 99999, '', null, null, $asker_id, 'archived', true ),
);
// Assign value, url etc to the tab array.
$tabs = array_map(
function ( $tab ) use ( $stats ) {
return array(
'key' => $tab,
'title' => tutor_utils()->translate_dynamic_text( $tab ),
'value' => $stats[ $tab ],
'url' => add_query_arg( array( 'tab' => $tab ), remove_query_arg( 'tab' ) ),
);
},
array_keys( $stats )
);
return $tabs;
}
/**
* Load more q & a
*
* @since v2.0.6
*
* @return void send wp_json response
*/
public static function load_more() {
tutor_utils()->checking_nonce();
ob_start();
tutor_load_template( 'single.course.enrolled.question_and_answer' );
$html = ob_get_clean();
wp_send_json_success( array( 'html' => $html ) );
}
}
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