<?php namespace local_treestudyplan\local\ungradedscanners; class assign_scanner extends scanner_base { protected function get_ungraded_submissions(){ global $DB; //SELECT asgn_sub.id as submissionid, a.id as instanceid, asgn_sub.userid as userid, asgn_sub.timemodified as timesubmitted, asgn_sub.attemptnumber , a.maxattempts $sql = "SELECT DISTINCT asgn_sub.userid FROM {assign_submission} asgn_sub JOIN {assign} a ON a.id = asgn_sub.assignment LEFT JOIN {assign_grades} ag ON ag.assignment = asgn_sub.assignment AND ag.userid = asgn_sub.userid AND asgn_sub.attemptnumber = ag.attemptnumber WHERE a.id = {$this->gi->iteminstance} AND asgn_sub.status = 'submitted' AND asgn_sub.userid > 0 AND a.grade <> 0 AND (ag.id IS NULL OR asgn_sub.timemodified >= ag.timemodified) "; return $DB->get_fieldset_sql($sql); } protected function get_graded_users(){ global $DB; $sql = "SELECT DISTINCT g.userid FROM {grade_grades} g LEFT JOIN {grade_items} gi on g.itemid = gi.id WHERE gi.itemmodule = 'assign' AND gi.iteminstance = {$this->gi->iteminstance} AND g.finalgrade IS NOT NULL"; // MAy turn out to be needed, dunno return $DB->get_fieldset_sql($sql); } public function count_ungraded($course_userids=[]){ $ungraded = $this->get_ungraded_submissions(); if(count($course_userids) > 0){ $ungraded = array_intersect($ungraded,$course_userids); } return count($ungraded); } public function count_graded($course_userids=[]){ $ungraded = $this->get_ungraded_submissions(); $graded = $this->get_graded_users(); if(count($course_userids) > 0){ $ungraded = array_intersect($ungraded,$course_userids); $graded = array_intersect($graded,$course_userids); } // determine how many id's have a grade, but also an ungraded submission $dual = array_intersect($ungraded,$graded); // subtract those from the graded count return count($graded) - count($dual); } public function has_ungraded_submission($userid) { $ungraded = $this->get_ungraded_submissions(); return in_array($userid,$ungraded); } }