moodle_local_treestudyplan/classes/gradeinfo.php

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<?php
namespace local_treestudyplan;
require_once($CFG->libdir.'/externallib.php');
require_once($CFG->libdir.'/gradelib.php');
require_once($CFG->dirroot.'/course/lib.php');
use core_course\local\repository\caching_content_item_readonly_repository;
use core_course\local\repository\content_item_readonly_repository;
use \grade_item;
use \grade_scale;
use \grade_outcome;
use \core_plugin_manager;
class gradeinfo {
private $studyitem = null;
private $id;
private $gradeitem;
private $icon;
private $link;
private $gradinglink;
private $scale;
private $outcome;
private $hidden = false;
private $name;
private $typename;
private $section;
private $sectionorder;
private $cmid;
private $coursesort;
private static $contentitems = null;
private $gradingscanner;
private static $sections = [];
protected static function getSectionSequence($sectionid){
global $DB;
if(!array_key_exists($sectionid,self::$sections)){
self::$sections[$sectionid] = explode(",",$DB->get_field("course_sections","sequence",["id"=>$sectionid]));
}
return self::$sections[$sectionid];
}
public function getGradeitem(){
return $this->gradeitem;
}
public function getGradingscanner(){
return $this->gradingscanner;
}
public function getScale(){
return $this->scale;
}
protected static function get_contentitems() {
global $PAGE;
if(empty(static::$contentitems)){
$PAGE->set_context(\context_system::instance());
static::$contentitems = (new content_item_readonly_repository())->find_all();
}
return static::$contentitems;
}
public static function get_contentitem($name) {
$contentitems = static::get_contentitems();
for($i = 0; $i < count($contentitems); $i++){
if($contentitems[$i]->get_name() == $name){
return $contentitems[$i];
}
}
return null;
}
public static function getCourseContextById($id){
$gi = grade_item::fetch(["id" => $id]);
if(!$gi || course_module_instance_pending_deletion($gi->courseid, $gi->itemmodule, $gi->iteminstance))
{
throw new \InvalidArgumentException ("Grade {$id} not found in database". print_r($gi,true));
}
return \context_course::instance($gi->courseid);;
}
public function __construct($id,studyitem $studyitem = null){
global $DB;
$this->studyitem = $studyitem;
$gi = grade_item::fetch(["id" => $id]);
if(!$gi || course_module_instance_pending_deletion($gi->courseid, $gi->itemmodule, $gi->iteminstance))
{
throw new \InvalidArgumentException ("Grade {$id} not found in database". print_r($gi,true));
}
$this->id = $id;
$this->gradeitem = $gi;
// Determine the icon for the associated activity
$contentitem = static::get_contentitem($gi->itemmodule);
$this->icon = empty($contentitem)?"":$contentitem->get_icon();
// Determine a link to the associated activity
if($gi->itemtype != "mod" || empty($gi->itemmodule) || empty($gi->iteminstance)){
$this->link = "";
$this->cmid = 0;
$this->section = 0;
$this->sectionorder = 0;
}
else {
list($c,$cminfo) = get_course_and_cm_from_instance($gi->iteminstance,$gi->itemmodule);
$this->cmid = $cminfo->id;
// sort by position in course
//
$this->section = $cminfo->sectionnum;
$ssequence = self::getSectionSequence($cminfo->section);
$this->sectionorder = array_search($cminfo->id,$ssequence);
$this->link = "/mod/{$gi->itemmodule}/view.php?id={$cminfo->id}";
if($gi->itemmodule == 'quiz'){
$this->gradinglink = "/mod/{$gi->itemmodule}/report.php?id={$cminfo->id}&mode=grading";
}
else if($gi->itemmodule == "assign") {
$this->gradinglink = $this->link ."&action=grading";
}
else {
$this->gradinglink = $this->link;
}
}
$this->scale = $gi->load_scale();
$this->outcome = $gi->load_outcome();
$this->hidden = ($gi->hidden || (!empty($outcome) && $outcome->hidden))?true:false;
$this->name = empty($outcome)?$gi->itemname:$outcome->name;
$this->typename = empty($contentitem)?$gi->itemmodule:$contentitem->get_title()->get_value();
$this->gradingscanner = new gradingscanner($gi);
$this->coursesort = $this->section * 1000 + $this->sectionorder;
}
public function is_selected(){
global $DB;
if($this->studyitem){
// Check if selected for this studyitem
$r = $DB->get_record('local_treestudyplan_gradeinc',['studyitem_id' => $this->studyitem->id(), 'grade_item_id'=> $this->gradeitem->id]);
if($r && $r->include) {
return(true);
}
}
return(false);
}
public function is_required(){
global $DB;
if($this->studyitem){
// Check if selected for this studyitem
$r = $DB->get_record('local_treestudyplan_gradeinc',['studyitem_id' => $this->studyitem->id(), 'grade_item_id'=> $this->gradeitem->id]);
if($r && $r->include && $r->required) {
return(true);
}
}
return(false);
}
public static function editor_structure($value=VALUE_REQUIRED){
return new \external_single_structure([
"id" => new \external_value(PARAM_INT, 'grade_item id'),
"cmid" => new \external_value(PARAM_INT, 'course module id'),
"name" => new \external_value(PARAM_TEXT, 'grade item name'),
"typename" => new \external_value(PARAM_TEXT, 'grade item type name'),
"outcome" => new \external_value(PARAM_BOOL, 'is outcome'),
"selected" => new \external_value(PARAM_BOOL, 'is selected for current studyitem'),
"icon" => new \external_value(PARAM_RAW, 'html for icon of related activity'),
"link" => new \external_value(PARAM_TEXT, 'link to related activity'),
"gradinglink" => new \external_value(PARAM_TEXT, 'link to related activity'),
"grading" => gradingscanner::structure(),
"required" => new \external_value(PARAM_BOOL, 'is required for current studyitem'),
], 'referenced course information',$value);
}
public function editor_model(studyitem $studyitem = null) {
$model = [
"id" => $this->id,
"cmid" => $this->cmid,
"name" => $this->name,
"typename" => $this->typename,
"outcome" => isset($this->outcome),
"selected" => $this->is_selected(),
"icon" => $this->icon,
"link" => $this->link,
"gradinglink" => $this->gradinglink,
"required" => $this->is_required(),
];
// Unfortunately, lazy loading of the completion data is off, since we need the data to show study item completion...
if($studyitem !== null && $this->is_selected() && has_capability('local/treestudyplan:viewuserreports',$studyitem->getStudyline()->studyplan()->context())
&& $this->gradingscanner->is_available()){
$model['grading'] = $this->gradingscanner->model();
}
return $model;
}
public static function user_structure($value=VALUE_REQUIRED){
return new \external_single_structure([
"id" => new \external_value(PARAM_INT, 'grade_item id'),
"cmid" => new \external_value(PARAM_INT, 'course module id'),
"name" => new \external_value(PARAM_TEXT, 'grade item name'),
"typename" => new \external_value(PARAM_TEXT, 'grade item type name'),
"grade" => new \external_value(PARAM_TEXT, 'is outcome'),
"gradetype" => new \external_value(PARAM_TEXT, 'grade type (completion|grade)'),
"feedback" => new \external_value(PARAM_RAW, 'html for feedback'),
"completion" => new \external_value(PARAM_TEXT, 'completion state (incomplete|progress|completed|excellent)'),
"icon" => new \external_value(PARAM_RAW, 'html for icon of related activity'),
"link" => new \external_value(PARAM_TEXT, 'link to related activity'),
"pendingsubmission" => new \external_value(PARAM_BOOL, 'is selected for current studyitem',VALUE_OPTIONAL),
"required" => new \external_value(PARAM_BOOL, 'is required for current studyitem'),
"selected" => new \external_value(PARAM_BOOL, 'is selected for current studyitem'),
], 'referenced course information',$value);
}
public function user_model($userid) {
global $DB;
$grade = $this->gradeitem->get_final($userid);
// convert scale grades to corresponding scale name
if(!empty($grade)){
if(!is_numeric($grade->finalgrade) && empty($grade->finalgrade)){
$finalgrade = "-";
}
else if(isset($this->scale)){
$finalgrade = $this->scale->get_nearest_item($grade->finalgrade);
}
else
{
$finalgrade = round($grade->finalgrade,1);
}
}
else
{
$finalgrade = "-";
}
// retrieve the aggregator and determine completion
if(!isset($this->studyitem)){
throw new \UnexpectedValueException("Study item not set (null) for gradeinfo in report mode");
}
$aggregator = $this->studyitem->studyline()->studyplan()->aggregator();
$completion = $aggregator->grade_completion($this,$userid);
$model = [
"id" => $this->id,
"cmid" => $this->cmid,
"name" => $this->name,
"typename" => $this->typename,
"grade" => $finalgrade,
"gradetype" => isset($this->scale)?"completion":"grade",
"feedback" => empty($grade)?null:$grade->feedback,
"completion" => completion::label($completion),
"icon" => $this->icon,
"link" => $this->link,
"pendingsubmission" => $this->gradingscanner->pending($userid),
"required" => $this->is_required(),
"selected" => $this->is_selected(),
];
return $model;
}
public function export_model(){
return [
"name" => $this->name,
"type" => $this->gradeitem->itemmodule,
"selected" => $this->is_selected(),
"required" => $this->is_required(),
];
}
public static function import(studyitem $item,array $model){
if($item->type() == studyitem::COURSE){
$course_id = $item->courseid();
$gradeitems= grade_item::fetch_all(['itemtype' => 'mod', 'courseid' => $course_id]);
foreach($gradeitems as $gi){
$gi_name = empty($outcome)?$gi->itemname:$outcome->name;
$gi_type = $gi->itemmodule;
if($gi_name == $model["name"] && $gi_type == $model["type"]){
// we have a match
if(!isset($model["selected"])){ $model["selected"] = true;}
if(!isset($model["required"])){ $model["required"] = false;}
if($model["selected"] || $model["required"]){
static::include_grade($gi->id,$item->id(),$model["selected"], $model["required"]);
}
}
}
}
}
public static function list_course_gradables($course,studyitem $studyitem=null) {
$list = [];
if(method_exists("\course_modinfo","get_array_of_activities")){
$activities = \course_modinfo::get_array_of_activities($course);
} else {
// Deprecated in Moodle 4.0+, but not yet available in Moodle 3.11
$activities = get_array_of_activities($course->id);
}
foreach($activities as $act)
{
if($act->visible)
{
$gradeitems= grade_item::fetch_all(['itemtype' => 'mod', 'itemmodule' => $act->mod, 'iteminstance' => $act->id, 'courseid' => $course->id]);
if(!empty($gradeitems))
{
foreach($gradeitems as $gi){
if(($gi->gradetype == GRADE_TYPE_VALUE || $gi->gradetype == GRADE_TYPE_SCALE))
{
try {
$gradable = new static($gi->id,$studyitem);
$list[] = $gradable;
}
catch(\InvalidArgumentException $x){}
}
}
}
}
}
usort($list, function($a,$b){
$course = $a->coursesort <=> $b->coursesort;
return ($course != 0)?$course:$a->gradeitem->sortorder <=> $b->gradeitem->sortorder;
});
return $list;
}
public static function list_studyitem_gradables(studyitem $studyitem)
{
global $DB;
$table = 'local_treestudyplan_gradeinc';
$list = [];
$records = $DB->get_records($table,['studyitem_id' => $studyitem->id()]);
foreach($records as $r){
if(isset($r->grade_item_id)){
try {
if($r->include || $r->required){
$list[] = new static($r->grade_item_id,$studyitem);
}
}
catch(\InvalidArgumentException $x){
// on InvalidArgumentException, the grade_item id can no longer be found
// Remove the link to avoid database record hogging
$DB->delete_records($table, ['id' => $r->id]);
}
}
}
usort($list, function($a,$b){
$course = $a->coursesort <=> $b->coursesort;
return ($course != 0)?$course:$a->gradeitem->sortorder <=> $b->gradeitem->sortorder;
});
return $list;
}
public static function include_grade(int $grade_id,int $item_id,bool $include,bool $required=false) {
global $DB;
$table = 'local_treestudyplan_gradeinc';
if($include){
// make sure a record exits
$r = $DB->get_record($table,['studyitem_id' => $item_id, 'grade_item_id' => $grade_id]);
if($r){
$r->include = 1;
$r->required = boolval($required)?1:0;
$id = $DB->update_record($table, $r);
} else {
$DB->insert_record($table, [
'studyitem_id' => $item_id,
'grade_item_id' => $grade_id,
'include' => 1,
'required' =>boolval($required)?1:0]
);
}
} else {
// remove if it should not be included
$r = $DB->get_record($table,['studyitem_id' => $item_id, 'grade_item_id' => $grade_id]);
if($r){
$DB->delete_records($table, ['id' => $r->id]);
}
}
return success::success();
}
}