function bp_course_quiz_auto_submit($quiz_id, $user_id)
{
$quiz_auto_evaluate = get_post_meta($quiz_id, 'vibe_quiz_auto_evaluate', true);
if (vibe_validate($quiz_auto_evaluate)) {
// Auto Evaluate for Quiz Enabled, Quiz auto evaluate, autoevaluate
$total_marks = 0;
$questions = vibe_sanitize(get_post_meta($quiz_id, 'quiz_questions' . $user_id, false));
if (!isset($questions) || !is_array($questions)) {
// Fallback for Older versions
$questions = vibe_sanitize(get_post_meta($quiz_id, 'vibe_quiz_questions', false));
}
if (count($questions)) {
$sum = $max_sum = 0;
foreach ($questions['ques'] as $key => $question) {
// Grab all the Questions
if (isset($question) && $question) {
$type = get_post_meta($question, 'vibe_question_type', true);
$auto_evaluate_question_types = vibe_get_option('auto_eval_question_type');
if (isset($auto_evaluate_question_types) && is_Array($auto_evaluate_question_types) && count($auto_evaluate_question_types)) {
// Validated
} else {
$auto_evaluate_question_types = array('single');
}
if (isset($type) && in_array($type, $auto_evaluate_question_types)) {
$correct_answer = get_post_meta($question, 'vibe_question_answer', true);
$comments_query = new WP_Comment_Query();
$comments = $comments_query->query(array('post_id' => $question, 'user_id' => $user_id, 'number' => 1, 'status' => 'approve'));
foreach ($comments as $comment) {
$comment->comment_content = trim($comment->comment_content, ',');
if ($comment->comment_content == $correct_answer) {
$marks = $questions['marks'][$key];
$total_marks = $total_marks + $marks;
} else {
if ($type == 'multiple') {
if (!strlen($comment->comment_content)) {
$marks = 0;
} else {
$marked_answers = explode(',', $comment->comment_content);
if (!is_array($marks_answers)) {
// Force Array Form
$marks_answers = array($marks_answers);
}
$correct_answers = explode(',', $correct_answer);
if (!is_array($correct_answers)) {
// Force Array Form
$correct_answers = array($correct_answers);
}
sort($marked_answers);
sort($correct_answers);
if (array_diff($marked_answers, $correct_answers) == array_diff($correct_answers, $marked_answers)) {
$marks = $questions['marks'][$key];
$total_marks = $total_marks + $marks;
} else {
$marks = apply_filters('wplms_incorrect_quiz_answer', 0, $comment->comment_content, $question);
}
}
} elseif ($type == 'smalltext' || $type == 'fillblank') {
if (strpos($correct_answer, ',')) {
$correct_answers_array = explode(',', $correct_answer);
foreach ($correct_answers_array as $c_answer) {
if (strtolower($c_answer) == strtolower($comment->comment_content)) {
$marks = $questions['marks'][$key];
$total_marks = $total_marks + $marks;
break;
}
}
}
} else {
$marks = apply_filters('wplms_incorrect_quiz_answer', 0, $comment->comment_content, $question);
}
}
update_comment_meta($comment->comment_ID, 'marks', $marks);
}
//END-For
}
}
}
if (update_post_meta($quiz_id, $user_id, $total_marks)) {
$message = __('You\'ve obtained ', 'vibe') . $total_marks . __(' out of ', 'vibe') . array_sum($questions['marks']) . __(' in quiz ', 'vibe') . ' <a href="' . get_permalink($quiz_id) . '">' . get_the_title($quiz_id) . '</a>';
$sender_id = get_post_field('post_author', $quiz_id);
if (!is_numeric($sender_id)) {
$sender_id = get_current_user_id();
}
if (function_exists('messages_new_message')) {
messages_new_message(array('sender_id' => $sender_id, 'subject' => __('Quiz results available', 'vibe'), 'content' => $message, 'recipients' => $user_id));
}
$max_marks = array_sum($questions['marks']);
$activity_id = bp_course_record_activity(array('action' => __('Quiz Auto Evaluated', 'vibe'), 'content' => __('Quiz ', 'vibe') . get_the_title($quiz_id) . __(' auto evaluated for student ', 'vibe') . bp_core_get_userlink($user_id) . __(' with marks ', 'vibe') . ' = ' . $total_marks . __('/', 'vibe') . $max_marks, 'type' => 'evaluate_quiz', 'primary_link' => get_permalink($quiz_id), 'item_id' => $quiz_id, 'secondary_item_id' => $user_id));
bp_course_record_activity_meta(array('id' => $activity_id, 'meta_key' => 'instructor', 'meta_value' => get_post_field('post_author', $quiz_id)));
do_action('badgeos_wplms_evaluate_quiz', $quiz_id, $total_marks, $user_id);
}
}
} else {
// End Auto evaluate and Send notification to instructor
if (function_exists('messages_new_message')) {
$instructor_id = get_post_field('post_author', $quiz_id);
$course_id = get_post_meta($quiz_id, 'vibe_course', true);
if (isset($course_id) && is_numeric($course_id)) {
$quiz_link = '<a href="' . get_permalink($course_id) . '?action=admin&submissions">' . get_the_title($quiz_id) . '</a>';
} else {
$quiz_link = get_the_title($quiz_id);
}
$message = sprintf(__('Quiz %s submitted by student %s for evaluation', 'vibe'), $quiz_link, bp_core_get_userlink($user_id));
messages_new_message(array('sender_id' => $user_id, 'subject' => __('Quiz submitted for evaluation', 'vibe'), 'content' => $message, 'recipients' => $instructor_id));
}
}
}
function evaluate_assignment($assignment_id, $marks, $user_id, $max, $message_id)
{
$activity_id = bp_course_record_activity(array('action' => sprintf(__('Results available for assignment %s', 'vibe'), get_the_title($assignment_id)), 'content' => sprintf(__('Student %s got marks %s out of %s in assignment %s ', 'vibe'), bp_core_get_userlink($user_id), $marks, $max, get_the_title($assignment_id)), 'type' => 'evaluate_assignment', 'primary_link' => get_permalink($assignment_id), 'item_id' => $assignment_id, 'secondary_item_id' => $user_id));
bp_course_record_activity_meta(array('id' => $activity_id, 'meta_key' => 'remarks', 'meta_value' => $message_id));
do_action('badgeos_wplms_evaluate_assignment', $comment->comment_post_ID, $value, $comment->user_id);
}
