67 lines
2.5 KiB
PHP
67 lines
2.5 KiB
PHP
<?php
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namespace local_treestudyplan\local\ungradedscanners;
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require_once($CFG->dirroot.'/question/engine/states.php'); // for reading question state
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class quiz_scanner extends scanner_base {
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protected function get_ungraded_submissions(){
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// count all users who have one or more questions that still need grading
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global $DB;
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// First find all question attempts that need grading
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$sql = "SELECT qza.id as submissionid, qza.userid as userid, qas.questionattemptid as attempt_id, qas.sequencenumber as sequencenumber
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FROM {question_attempt_steps} qas
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JOIN {question_attempts} qna ON qas.questionattemptid = qna.id
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JOIN {quiz_attempts} qza ON qna.questionusageid = qza.uniqueid
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WHERE qas.state = 'needsgrading' AND qza.quiz = {$this->gi->iteminstance}";
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$rs = $DB->get_recordset_sql($sql);
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$submissions = [];
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foreach($rs as $r){
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// Now, check if
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$maxstate_sql = "SELECT MAX(qas.sequencenumber) FROM {question_attempt_steps} qas WHERE qas.questionattemptid = {$r->attempt_id}";
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$max = $DB->get_field_sql($maxstate_sql);
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if($r->sequencenumber == $max){
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$submissions[$r->userid] = true; // set array index based on user id, to avoid checking if value is in array
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}
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}
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$rs->close();
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return array_keys($submissions);
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}
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public function count_ungraded($course_userids=[]){
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$ungraded = $this->get_ungraded_submissions();
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if(count($course_userids) > 0){
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$ungraded = array_intersect($ungraded,$course_userids);
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}
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return count($ungraded);
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}
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public function count_graded($course_userids=[]){
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// count all users who submitted one or more finished tests.
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global $DB;
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$sql = "SELECT DISTINCT g.userid
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FROM {grade_grades} g
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LEFT JOIN {grade_items} gi on g.itemid = gi.id
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WHERE gi.itemmodule = 'quiz' AND gi.iteminstance = {$this->gi->iteminstance}
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AND g.finalgrade IS NOT NULL"; // MAy turn out to be needed, dunno
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$graded = $DB->get_fieldset_sql($sql);
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if(count($course_userids) > 0){
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$graded = array_intersect($graded,$course_userids);
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}
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return count($graded);
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}
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public function has_ungraded_submission($userid)
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{
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$ungraded = $this->get_ungraded_submissions();
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return in_array($userid,$ungraded);
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}
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} |