124 lines
4.5 KiB
PHP
124 lines
4.5 KiB
PHP
<?php
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namespace local_treestudyplan;
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require_once($CFG->libdir.'/externallib.php');
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use \grade_item;
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// $gi->courseid,
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// $gi->itemmodule,
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// $gi->iteminstance
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class completionscanner
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{
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private static $mod_supported = [];
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private static $course_students = [];
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private $scanner = null;
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private $course = null;
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private $cm = null;
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private $gi = null;
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private $pending_cache = [];
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public static function supported($mod){
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if(!array_key_exists($mod,self::$mod_supported)){
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self::$mod_supported[$mod] = class_exists("\local_treestudyplan\\local\\ungradedscanners\\{$mod}_scanner");
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}
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return self::$mod_supported[$mod];
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}
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public static function get_course_students($courseid){
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global $CFG;
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if(!array_key_exists($courseid,self::$course_students)){
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$students = [];
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$context = \context_course::instance($courseid);
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foreach (explode(',', $CFG->gradebookroles) as $roleid) {
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$roleid = trim($roleid);
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$students = array_keys(get_role_users($roleid, $context, false, 'u.id', 'u.id ASC'));
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}
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self::$course_students[$courseid] = $students;
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}
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return self::$course_students[$courseid];
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}
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public function __construct(\completion_criteria $crit){
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$this->course = $crit->course;
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$this->crit = $crit;
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// Find a related scanner if the type is an activity type
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if($crit->criteriatype == COMPLETION_CRITERIA_TYPE_ACTIVITY){
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// First find the course module
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$modinfo = get_fast_modinfo($course);
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$this->cm = $modinfo->get_cm($crit->moduleinstance);
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$gi = grade_item::fetch(['itemtype' => 'mod', 'itemmodule' => $cm->mod, 'iteminstance' => $cm->id, 'courseid' => $course->id]);
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if($gi !== false)
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{
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// Grade none items should not be relevant
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// Note that the grade status is probably only relevant if the item has not yet received a completion, but has been submitted
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if(($gi->gradetype == GRADE_TYPE_VALUE || $gi->gradetype == GRADE_TYPE_SCALE))
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{
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// If it's a relevant grade type, initialize a scanner if possible
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$this->gi = gi;
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if(self::supported($gi->itemmodule)) {
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$scannerclass = "\local_treestudyplan\\local\ungradedscanners\\{$gi->itemmodule}_scanner";
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$this->scanner = new $scannerclass($gi);
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}
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}
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}
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}
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}
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public function count_students(){
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return count(self::get_course_students($this->gi->courseid));
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}
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// count students with ungraded (including completed-fail) worl
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public function count_ungraded(){
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if($this->scanner === null) {
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return -1;
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}
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return $this->scanner->count_ungraded(self::get_course_students($this->gi->courseid));
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}
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public function count_completed(){
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if($this->scanner === null) {
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return -1;
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}
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return $this->scanner->count_graded(self::get_course_students($this->gi->courseid));
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}
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public function pending($userid){
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if(!array_key_exists($userid, $this->pending_cache)){
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if($this->scanner === null) {
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$this->pending_cache[$userid] = false;
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}
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else {
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$this->pending_cache[$userid] = $this->scanner->has_ungraded_submission($userid);;
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}
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}
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return $this->pending_cache[$userid];
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}
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public static function structure($value=VALUE_OPTIONAL){
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return new \external_single_structure([
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"ungraded" => new \external_value(PARAM_INT, 'number of ungraded submissions'),
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"completed" => new \external_value(PARAM_INT, 'number of completed students'),
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"completed_pass" => new \external_value(PARAM_INT, 'number of completed-pass students'),
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"completed_fail" => new \external_value(PARAM_INT, 'number of completed-fail students'),
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"students" => new \external_value(PARAM_INT, 'number of students that should submit'),
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],"details about gradable submissions",$value);
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}
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public function model(){
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return [
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'ungraded' => $this->count_ungraded(),
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'completed' => $this->count_completed(),
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'completed_pass' => 0,
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'completed_fail' => 0,
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'students' => $this->count_students(),
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];
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}
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} |