%PDF-
%PDF-
Mini Shell
Mini Shell
<?php
/**
* Quiz attempt list management
*
* @package Tutor\QuestionAnswer
* @author Themeum <support@themeum.com>
* @link https://themeum.com
* @since 1.0.0
*/
namespace TUTOR;
if ( ! defined( 'ABSPATH' ) ) {
exit;
}
use Tutor\Cache\QuizAttempts;
use Tutor\Models\QuizModel;
/**
* Quiz attempt class
*
* @since 1.0.0
*/
class Quiz_Attempts_List {
const QUIZ_ATTEMPT_PAGE = 'tutor_quiz_attempts';
/**
* Trait for utilities
*
* @var $page_title
*/
use Backend_Page_Trait;
/**
* Page Title
*
* @var $page_title
*/
public $page_title;
/**
* Bulk Action
*
* @var $bulk_action
*/
public $bulk_action = true;
/**
* Handle dependencies
*
* @since 1.0.0
*
* @param boolean $register_hook should register hook or not.
*/
public function __construct( $register_hook = true ) {
$this->page_title = __( 'Quiz Attempts', 'tutor' );
if ( ! $register_hook ) {
return;
}
/**
* Handle bulk action
*
* @since 2.0.0
*/
add_action( 'wp_ajax_tutor_quiz_attempts_bulk_action', array( $this, 'quiz_attempts_bulk_action' ) );
add_action( 'wp_ajax_tutor_quiz_attempts_count', array( $this, 'get_quiz_attempts_stat' ) );
/**
* Delete quiz attempt cache
*
* @since 2.1.0
*/
add_action( 'tutor_quiz/attempt_ended', array( new QuizAttempts(), 'delete_cache' ) );
add_action( 'tutor_quiz/attempt_deleted', array( new QuizAttempts(), 'delete_cache' ) );
add_action( 'tutor_quiz/answer/review/after', array( new QuizAttempts(), 'delete_cache' ) );
}
/**
* Get the attempts stat from specific instructor context
*
* @since 2.0.0
*
* @return array
*/
public function get_quiz_attempts_stat() {
global $wpdb;
if ( wp_doing_ajax() ) {
tutor_utils()->checking_nonce();
}
/**
* Parse `passing_grade` value from `attempt_info` serialized data.
*
* Data Format : "passing_grade";s:2:"80" or "passing_grade";s:3:"100"
* Expected Output : 80 or 100
*
* TODO: Optimize SQL query.
*/
$pass_mark = "((( SUBSTRING_INDEX(
SUBSTRING_INDEX(
attempt_info,
CONCAT(
'\"passing_grade\";s:',
SUBSTRING_INDEX(SUBSTRING_INDEX(attempt_info, '\"passing_grade\";s:', -1), ':\"', 1),
':\"'
),
-1
),
'\"',
1
))/100) * quiz_attempts.total_marks)";
$pending_count = "(SELECT COUNT(DISTINCT attempt_answer_id) FROM {$wpdb->prefix}tutor_quiz_attempt_answers WHERE quiz_attempt_id=quiz_attempts.attempt_id AND is_correct IS NULL)";
$pass_clause = " AND quiz_attempts.earned_marks >= {$pass_mark} ";
$fail_clause = " AND quiz_attempts.earned_marks < {$pass_mark} AND {$pending_count} < 1 ";
$pending_clause = " AND {$pending_count} > 0 ";
$user_id = get_current_user_id();
$user_clause = '';
if ( ! current_user_can( 'administrator' ) ) {
$user_clause = "AND quiz.post_author = {$user_id}";
}
$count_obj = (object) array(
'pass' => 0,
'fail' => 0,
'pending' => 0,
);
$is_ajax_action = 'tutor_quiz_attempts_count' === Input::post( 'action' );
if ( $is_ajax_action ) {
$attempt_cache = new QuizAttempts();
if ( $attempt_cache->has_cache() && ! is_null( $attempt_cache->get_cache()->pass ) ) {
$count_obj = $attempt_cache->get_cache();
} else {
$select_stmt = "SELECT COUNT( DISTINCT attempt_id)
FROM {$wpdb->prefix}tutor_quiz_attempts quiz_attempts
INNER JOIN {$wpdb->posts} quiz ON quiz_attempts.quiz_id = quiz.ID
-- INNER JOIN {$wpdb->prefix}tutor_quiz_attempt_answers AS ans ON quiz_attempts.attempt_id = ans.quiz_attempt_id";
$count_obj->pass = (int) $wpdb->get_var(
$wpdb->prepare(
"{$select_stmt}
WHERE attempt_status != %s
{$pass_clause}
{$user_clause}
",
'attempt_started'
)
);
$count_obj->fail = (int) $wpdb->get_var(
$wpdb->prepare(
"{$select_stmt}
WHERE attempt_status != %s
{$fail_clause}
{$user_clause}
",
'attempt_started'
)
);
$count_obj->pending = (int) $wpdb->get_var(
$wpdb->prepare(
"{$select_stmt}
WHERE attempt_status != %s
{$pending_clause}
{$user_clause}
",
'attempt_started'
)
);
$attempt_cache->data = $count_obj;
$attempt_cache->set_cache();
}
}
$all = $count_obj->pass + $count_obj->fail + $count_obj->pending;
$pass = $count_obj->pass;
$fail = $count_obj->fail;
$pending = $count_obj->pending;
$response = compact( 'all', 'pass', 'fail', 'pending' );
return $is_ajax_action ? wp_send_json_success( $response ) : $response;
}
/**
* Available tabs that will visible on the right side of page navbar
*
* @since 2.0.0
*
* @param string $user_id selected quiz_attempts id | optional.
* @param int $course_id selected quiz_attempts id | optional.
* @param string $date selected date | optional.
* @param string $search search by user name or email | optional.
*
* @return array
*/
public function tabs_key_value( $user_id, $course_id, $date, $search ): array {
$url = apply_filters( 'tutor_data_tab_base_url', get_pagenum_link());
$stats = $this->get_quiz_attempts_stat();
$tabs = array(
array(
'key' => 'all',
'title' => __( 'All', 'tutor' ),
'value' => $stats['all'],
'url' => $url . '&data=all',
),
array(
'key' => 'pass',
'title' => __( 'Pass', 'tutor' ),
'value' => $stats['pass'],
'url' => $url . '&data=pass',
),
array(
'key' => 'fail',
'title' => __( 'Fail', 'tutor' ),
'value' => $stats['fail'],
'url' => $url . '&data=fail',
),
array(
'key' => 'pending',
'title' => __( 'Pending', 'tutor' ),
'value' => $stats['pending'],
'url' => $url . '&data=pending',
),
);
return $tabs;
}
/**
* Prepare bulk actions that will show on dropdown options
*
* @since 2.0.0
*
* @return array
*/
public function prpare_bulk_actions(): array {
$actions = array(
$this->bulk_action_default(),
$this->bulk_action_delete(),
);
return $actions;
}
/**
* Handle bulk action for instructor delete
*
* @since 2.0.0
*
* @return void send wp_json response
*/
public function quiz_attempts_bulk_action() {
// check nonce.
tutor_utils()->checking_nonce();
// Check if user is privileged.
if ( ! User::has_any_role( array( User::ADMIN, User::INSTRUCTOR ) ) ) {
wp_send_json_error( tutor_utils()->error_message() );
}
$bulk_action = Input::post( 'bulk-action', '' );
$bulk_ids = Input::post( 'bulk-ids', '' );
$bulk_ids = explode( ',', $bulk_ids );
$bulk_ids = array_map(
function( $id ) {
return (int) trim( $id );
},
$bulk_ids
);
// prevent instructor to remove quiz attempt from admin.
$bulk_ids = array_filter(
$bulk_ids,
function ( $attempt_id ) {
$attempt = tutor_utils()->get_attempt( $attempt_id );
$user_id = get_current_user_id();
$course_id = $attempt && is_object( $attempt ) ? $attempt->course_id : 0;
return $course_id && tutor_utils()->can_user_edit_course( $user_id, $course_id );
}
);
switch ( $bulk_action ) {
case 'delete':
QuizModel::delete_quiz_attempt( $bulk_ids );
break;
}
wp_send_json_success();
}
/**
* Get bulk action as an array
*
* @since 2.0.0
*
* @return array
*/
public function get_bulk_actions() {
$actions = array(
'delete' => 'Delete',
);
return $actions;
}
}
Zerion Mini Shell 1.0