<?php
// This file is part of Moodle - http://moodle.org/
//
// Moodle is free software: you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
// Moodle is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
// GNU General Public License for more details.
//
// You should have received a copy of the GNU General Public License
// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.

/**
 * Definition of the grade_user_report class is defined
 *
 * @package gradereport_user
 * @copyright 2007 Nicolas Connault
 * @license   http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
 */


> use core_user\output\myprofile\tree;
require_once($CFG->dirroot . '/grade/report/lib.php');
> 


require_once($CFG->libdir.'/tablelib.php');


< //showhiddenitems values


define("GRADE_REPORT_USER_HIDE_HIDDEN", 0);
define("GRADE_REPORT_USER_HIDE_UNTIL", 1);
define("GRADE_REPORT_USER_SHOW_HIDDEN", 2);

define("GRADE_REPORT_USER_VIEW_SELF", 1);
define("GRADE_REPORT_USER_VIEW_USER", 2);


< /**
<  * Class providing an API for the user report building and displaying.
<  * @uses grade_report
<  * @package gradereport_user
<  */
< class grade_report_user extends grade_report {
< 
<     /**
<      * The user.
<      * @var object $user
<      */
<     public $user;
< 
<     /**
<      * A flexitable to hold the data.
<      * @var object $table
<      */
<     public $table;
< 
<     /**
<      * An array of table headers
<      * @var array
<      */
<     public $tableheaders = array();
< 
<     /**
<      * An array of table columns
<      * @var array
<      */
<     public $tablecolumns = array();
< 
<     /**
<      * An array containing rows of data for the table.
<      * @var type
<      */
<     public $tabledata = array();
< 
<     /**
<      * An array containing the grade items data for external usage (web services, ajax, etc...)
<      * @var array
<      */
<     public $gradeitemsdata = array();
< 
<     /**
<      * The grade tree structure
<      * @var grade_tree
<      */
<     public $gtree;
< 
<     /**
<      * Flat structure similar to grade tree
<      */
<     public $gseq;
< 
<     /**
<      * show student ranks
<      */
<     public $showrank;
< 
<     /**
<      * show grade percentages
<      */
<     public $showpercentage;
< 
<     /**
<      * Show range
<      */
<     public $showrange = true;
< 
<     /**
<      * Show grades in the report, default true
<      * @var bool
<      */
<     public $showgrade = true;
< 
<     /**
<      * Decimal points to use for values in the report, default 2
<      * @var int
<      */
<     public $decimals = 2;
< 
<     /**
<      * The number of decimal places to round range to, default 0
<      * @var int
<      */
<     public $rangedecimals = 0;
< 
<     /**
<      * Show grade feedback in the report, default true
<      * @var bool
<      */
<     public $showfeedback = true;
< 
<     /**
<      * Show grade weighting in the report, default true.
<      * @var bool
<      */
<     public $showweight = true;
< 
<     /**
<      * Show letter grades in the report, default false
<      * @var bool
<      */
<     public $showlettergrade = false;
< 
<     /**
<      * Show the calculated contribution to the course total column.
<      * @var bool
<      */
<     public $showcontributiontocoursetotal = true;
< 
<     /**
<      * Show average grades in the report, default false.
<      * @var false
<      */
<     public $showaverage = false;
< 
<     public $maxdepth;
<     public $evenodd;
< 
<     public $canviewhidden;
< 
<     public $switch;
< 
<     /**
<      * Show hidden items even when user does not have required cap
<      */
<     public $showhiddenitems;
<     public $showtotalsifcontainhidden;
< 
<     public $baseurl;
<     public $pbarurl;
< 
<     /**
<      * The modinfo object to be used.
<      *
<      * @var course_modinfo
<      */
<     protected $modinfo = null;
< 
<     /**
<      * View as user.
<      *
<      * When this is set to true, the visibility checks, and capability checks will be
<      * applied to the user whose grades are being displayed. This is very useful when
<      * a mentor/parent is viewing the report of their mentee because they need to have
<      * access to the same information, but not more, not less.
<      *
<      * @var boolean
<      */
<     protected $viewasuser = false;
< 
<     /**
<      * An array that collects the aggregationhints for every
<      * grade_item. The hints contain grade, grademin, grademax
<      * status, weight and parent.
<      *
<      * @var array
<      */
<     protected $aggregationhints = array();
< 
<     /**
<      * Constructor. Sets local copies of user preferences and initialises grade_tree.
<      * @param int $courseid
<      * @param object $gpr grade plugin return tracking object
<      * @param string $context
<      * @param int $userid The id of the user
<      * @param bool $viewasuser Set this to true when the current user is a mentor/parent of the targetted user.
<      */
<     public function __construct($courseid, $gpr, $context, $userid, $viewasuser = null) {
<         global $DB, $CFG;
<         parent::__construct($courseid, $gpr, $context);
< 
<         $this->showrank        = grade_get_setting($this->courseid, 'report_user_showrank', $CFG->grade_report_user_showrank);
<         $this->showpercentage  = grade_get_setting($this->courseid, 'report_user_showpercentage', $CFG->grade_report_user_showpercentage);
<         $this->showhiddenitems = grade_get_setting($this->courseid, 'report_user_showhiddenitems', $CFG->grade_report_user_showhiddenitems);
<         $this->showtotalsifcontainhidden = array($this->courseid => grade_get_setting($this->courseid, 'report_user_showtotalsifcontainhidden', $CFG->grade_report_user_showtotalsifcontainhidden));
< 
<         $this->showgrade       = grade_get_setting($this->courseid, 'report_user_showgrade',       !empty($CFG->grade_report_user_showgrade));
<         $this->showrange       = grade_get_setting($this->courseid, 'report_user_showrange',       !empty($CFG->grade_report_user_showrange));
<         $this->showfeedback    = grade_get_setting($this->courseid, 'report_user_showfeedback',    !empty($CFG->grade_report_user_showfeedback));
< 
<         $this->showweight = grade_get_setting($this->courseid, 'report_user_showweight',
<             !empty($CFG->grade_report_user_showweight));
< 
<         $this->showcontributiontocoursetotal = grade_get_setting($this->courseid, 'report_user_showcontributiontocoursetotal',
<             !empty($CFG->grade_report_user_showcontributiontocoursetotal));
< 
<         $this->showlettergrade = grade_get_setting($this->courseid, 'report_user_showlettergrade', !empty($CFG->grade_report_user_showlettergrade));
<         $this->showaverage     = grade_get_setting($this->courseid, 'report_user_showaverage',     !empty($CFG->grade_report_user_showaverage));
< 
<         $this->viewasuser = $viewasuser;
< 
<         // The default grade decimals is 2
<         $defaultdecimals = 2;
<         if (property_exists($CFG, 'grade_decimalpoints')) {
<             $defaultdecimals = $CFG->grade_decimalpoints;
<         }
<         $this->decimals = grade_get_setting($this->courseid, 'decimalpoints', $defaultdecimals);
< 
<         // The default range decimals is 0
<         $defaultrangedecimals = 0;
<         if (property_exists($CFG, 'grade_report_user_rangedecimals')) {
<             $defaultrangedecimals = $CFG->grade_report_user_rangedecimals;
<         }
<         $this->rangedecimals = grade_get_setting($this->courseid, 'report_user_rangedecimals', $defaultrangedecimals);
< 
<         $this->switch = grade_get_setting($this->courseid, 'aggregationposition', $CFG->grade_aggregationposition);
< 
<         // Grab the grade_tree for this course
<         $this->gtree = new grade_tree($this->courseid, false, $this->switch, null, !$CFG->enableoutcomes);
< 
<         // Get the user (for full name).
<         $this->user = $DB->get_record('user', array('id' => $userid));
< 
<         // What user are we viewing this as?
<         $coursecontext = context_course::instance($this->courseid);
<         if ($viewasuser) {
<             $this->modinfo = new course_modinfo($this->course, $this->user->id);
<             $this->canviewhidden = has_capability('moodle/grade:viewhidden', $coursecontext, $this->user->id);
<         } else {
<             $this->modinfo = $this->gtree->modinfo;
<             $this->canviewhidden = has_capability('moodle/grade:viewhidden', $coursecontext);
<         }
< 
<         // Determine the number of rows and indentation.
<         $this->maxdepth = 1;
<         $this->inject_rowspans($this->gtree->top_element);
<         $this->maxdepth++; // Need to account for the lead column that spans all children.
<         for ($i = 1; $i <= $this->maxdepth; $i++) {
<             $this->evenodd[$i] = 0;
<         }
< 
<         $this->tabledata = array();
< 
<         // base url for sorting by first/last name
<         $this->baseurl = $CFG->wwwroot.'/grade/report?id='.$courseid.'&amp;userid='.$userid;
<         $this->pbarurl = $this->baseurl;
< 
<         // no groups on this report - rank is from all course users
<         $this->setup_table();
< 
<         //optionally calculate grade item averages
<         $this->calculate_averages();
<     }
< 
<     /**
<      * Recurses through a tree of elements setting the rowspan property on each element
<      *
<      * @param array $element Either the top element or, during recursion, the current element
<      * @return int The number of elements processed
<      */
<     function inject_rowspans(&$element) {
< 
<         if ($element['depth'] > $this->maxdepth) {
<             $this->maxdepth = $element['depth'];
<         }
<         if (empty($element['children'])) {
<             return 1;
<         }
<         $count = 1;
< 
<         foreach ($element['children'] as $key=>$child) {
<             // If category is hidden then do not include it in the rowspan.
<             if ($child['type'] == 'category' && $child['object']->is_hidden() && !$this->canviewhidden
<                     && ($this->showhiddenitems == GRADE_REPORT_USER_HIDE_HIDDEN
<                     || ($this->showhiddenitems == GRADE_REPORT_USER_HIDE_UNTIL && !$child['object']->is_hiddenuntil()))) {
<                 // Just calculate the rowspans for children of this category, don't add them to the count.
<                 $this->inject_rowspans($element['children'][$key]);
<             } else {
<                 $count += $this->inject_rowspans($element['children'][$key]);
<             }
<         }
< 
<         $element['rowspan'] = $count;
<         return $count;
<     }
< 
< 
<     /**
<      * Prepares the headers and attributes of the flexitable.
<      */
<     public function setup_table() {
<         /*
<          * Table has 1-8 columns
<          *| All columns except for itemname/description are optional
<          */
< 
<         // setting up table headers
< 
<         $this->tablecolumns = array('itemname');
<         $this->tableheaders = array($this->get_lang_string('gradeitem', 'grades'));
< 
<         if ($this->showweight) {
<             $this->tablecolumns[] = 'weight';
<             $this->tableheaders[] = $this->get_lang_string('weightuc', 'grades');
<         }
< 
<         if ($this->showgrade) {
<             $this->tablecolumns[] = 'grade';
<             $this->tableheaders[] = $this->get_lang_string('grade', 'grades');
<         }
< 
<         if ($this->showrange) {
<             $this->tablecolumns[] = 'range';
<             $this->tableheaders[] = $this->get_lang_string('range', 'grades');
<         }
< 
<         if ($this->showpercentage) {
<             $this->tablecolumns[] = 'percentage';
<             $this->tableheaders[] = $this->get_lang_string('percentage', 'grades');
<         }
< 
<         if ($this->showlettergrade) {
<             $this->tablecolumns[] = 'lettergrade';
<             $this->tableheaders[] = $this->get_lang_string('lettergrade', 'grades');
<         }
< 
<         if ($this->showrank) {
<             $this->tablecolumns[] = 'rank';
<             $this->tableheaders[] = $this->get_lang_string('rank', 'grades');
<         }
< 
<         if ($this->showaverage) {
<             $this->tablecolumns[] = 'average';
<             $this->tableheaders[] = $this->get_lang_string('average', 'grades');
<         }
< 
<         if ($this->showfeedback) {
<             $this->tablecolumns[] = 'feedback';
<             $this->tableheaders[] = $this->get_lang_string('feedback', 'grades');
<         }
< 
<         if ($this->showcontributiontocoursetotal) {
<             $this->tablecolumns[] = 'contributiontocoursetotal';
<             $this->tableheaders[] = $this->get_lang_string('contributiontocoursetotal', 'grades');
<         }
<     }
< 
<     function fill_table() {
<         //print "<pre>";
<         //print_r($this->gtree->top_element);
<         $this->fill_table_recursive($this->gtree->top_element);
<         //print_r($this->tabledata);
<         //print "</pre>";
<         return true;
<     }
< 
<     /**
<      * Fill the table with data.
<      *
<      * @param $element - An array containing the table data for the current row.
<      */
<     private function fill_table_recursive(&$element) {
<         global $DB, $CFG;
< 
<         $type = $element['type'];
<         $depth = $element['depth'];
<         $grade_object = $element['object'];
<         $eid = $grade_object->id;
<         $element['userid'] = $this->user->id;
<         $fullname = $this->gtree->get_element_header($element, true, true, true, true, true);
<         $data = array();
<         $gradeitemdata = array();
<         $hidden = '';
<         $excluded = '';
<         $itemlevel = ($type == 'categoryitem' || $type == 'category' || $type == 'courseitem') ? $depth : ($depth + 1);
<         $class = 'level' . $itemlevel . ' level' . ($itemlevel % 2 ? 'odd' : 'even');
<         $classfeedback = '';
< 
<         // If this is a hidden grade category, hide it completely from the user
<         if ($type == 'category' && $grade_object->is_hidden() && !$this->canviewhidden && (
<                 $this->showhiddenitems == GRADE_REPORT_USER_HIDE_HIDDEN ||
<                 ($this->showhiddenitems == GRADE_REPORT_USER_HIDE_UNTIL && !$grade_object->is_hiddenuntil()))) {
<             return false;
<         }
< 
<         if ($type == 'category') {
<             $this->evenodd[$depth] = (($this->evenodd[$depth] + 1) % 2);
<         }
<         $alter = ($this->evenodd[$depth] == 0) ? 'even' : 'odd';
< 
<         /// Process those items that have scores associated
<         if ($type == 'item' or $type == 'categoryitem' or $type == 'courseitem') {
<             $header_row = "row_{$eid}_{$this->user->id}";
<             $header_cat = "cat_{$grade_object->categoryid}_{$this->user->id}";
< 
<             if (! $grade_grade = grade_grade::fetch(array('itemid'=>$grade_object->id,'userid'=>$this->user->id))) {
<                 $grade_grade = new grade_grade();
<                 $grade_grade->userid = $this->user->id;
<                 $grade_grade->itemid = $grade_object->id;
<             }
< 
<             $grade_grade->load_grade_item();
< 
<             /// Hidden Items
<             if ($grade_grade->grade_item->is_hidden()) {
<                 $hidden = ' dimmed_text';
<             }
< 
<             $hide = false;
<             // If this is a hidden grade item, hide it completely from the user.
<             if ($grade_grade->is_hidden() && !$this->canviewhidden && (
<                     $this->showhiddenitems == GRADE_REPORT_USER_HIDE_HIDDEN ||
<                     ($this->showhiddenitems == GRADE_REPORT_USER_HIDE_UNTIL && !$grade_grade->is_hiddenuntil()))) {
<                 $hide = true;
<             } else if (!empty($grade_object->itemmodule) && !empty($grade_object->iteminstance)) {
<                 // The grade object can be marked visible but still be hidden if
<                 // the student cannot see the activity due to conditional access
<                 // and it's set to be hidden entirely.
<                 $instances = $this->modinfo->get_instances_of($grade_object->itemmodule);
<                 if (!empty($instances[$grade_object->iteminstance])) {
<                     $cm = $instances[$grade_object->iteminstance];
<                     $gradeitemdata['cmid'] = $cm->id;
<                     if (!$cm->uservisible) {
<                         // If there is 'availableinfo' text then it is only greyed
<                         // out and not entirely hidden.
<                         if (!$cm->availableinfo) {
<                             $hide = true;
<                         }
<                     }
<                 }
<             }
< 
<             // Actual Grade - We need to calculate this whether the row is hidden or not.
<             $gradeval = $grade_grade->finalgrade;
<             $hint = $grade_grade->get_aggregation_hint();
<             if (!$this->canviewhidden) {
<                 /// Virtual Grade (may be calculated excluding hidden items etc).
<                 $adjustedgrade = $this->blank_hidden_total_and_adjust_bounds($this->courseid,
<                                                                              $grade_grade->grade_item,
<                                                                              $gradeval);
< 
<                 $gradeval = $adjustedgrade['grade'];
< 
<                 // We temporarily adjust the view of this grade item - because the min and
<                 // max are affected by the hidden values in the aggregation.
<                 $grade_grade->grade_item->grademax = $adjustedgrade['grademax'];
<                 $grade_grade->grade_item->grademin = $adjustedgrade['grademin'];
<                 $hint['status'] = $adjustedgrade['aggregationstatus'];
<                 $hint['weight'] = $adjustedgrade['aggregationweight'];
<             } else {
<                 // The max and min for an aggregation may be different to the grade_item.
<                 if (!is_null($gradeval)) {
<                     $grade_grade->grade_item->grademax = $grade_grade->get_grade_max();
<                     $grade_grade->grade_item->grademin = $grade_grade->get_grade_min();
<                 }
<             }
< 
< 
<             if (!$hide) {
<                 /// Excluded Item
<                 /**
<                 if ($grade_grade->is_excluded()) {
<                     $fullname .= ' ['.get_string('excluded', 'grades').']';
<                     $excluded = ' excluded';
<                 }
<                 **/
<                 $canviewall = has_capability('moodle/grade:viewall', $this->context);
<                 /// Other class information
<                 $class .= $hidden . $excluded;
<                 if ($this->switch) { // alter style based on whether aggregation is first or last
<                    $class .= ($type == 'categoryitem' or $type == 'courseitem') ? " ".$alter."d$depth baggt b2b" : " item b1b";
<                 } else {
<                    $class .= ($type == 'categoryitem' or $type == 'courseitem') ? " ".$alter."d$depth baggb" : " item b1b";
<                 }
<                 if ($type == 'categoryitem' or $type == 'courseitem') {
<                     $header_cat = "cat_{$grade_object->iteminstance}_{$this->user->id}";
<                 }
< 
<                 /// Name
<                 $data['itemname']['content'] = $fullname;
<                 $data['itemname']['class'] = $class;
<                 $data['itemname']['colspan'] = ($this->maxdepth - $depth);
<                 $data['itemname']['celltype'] = 'th';
<                 $data['itemname']['id'] = $header_row;
< 
<                 // Basic grade item information.
<                 $gradeitemdata['id'] = $grade_object->id;
<                 $gradeitemdata['itemname'] = $grade_object->itemname;
<                 $gradeitemdata['itemtype'] = $grade_object->itemtype;
<                 $gradeitemdata['itemmodule'] = $grade_object->itemmodule;
<                 $gradeitemdata['iteminstance'] = $grade_object->iteminstance;
<                 $gradeitemdata['itemnumber'] = $grade_object->itemnumber;
<                 $gradeitemdata['idnumber'] = $grade_object->idnumber;
<                 $gradeitemdata['categoryid'] = $grade_object->categoryid;
<                 $gradeitemdata['outcomeid'] = $grade_object->outcomeid;
<                 $gradeitemdata['scaleid'] = $grade_object->outcomeid;
<                 $gradeitemdata['locked'] = $canviewall ? $grade_grade->grade_item->is_locked() : null;
< 
<                 if ($this->showfeedback) {
<                     // Copy $class before appending itemcenter as feedback should not be centered
<                     $classfeedback = $class;
<                 }
<                 $class .= " itemcenter ";
<                 if ($this->showweight) {
<                     $data['weight']['class'] = $class;
<                     $data['weight']['content'] = '-';
<                     $data['weight']['headers'] = "$header_cat $header_row weight";
<                     // has a weight assigned, might be extra credit
< 
<                     // This obliterates the weight because it provides a more informative description.
<                     if (is_numeric($hint['weight'])) {
<                         $data['weight']['content'] = format_float($hint['weight'] * 100.0, 2) . ' %';
<                         $gradeitemdata['weightraw'] = $hint['weight'];
<                         $gradeitemdata['weightformatted'] = $data['weight']['content'];
<                     }
<                     if ($hint['status'] != 'used' && $hint['status'] != 'unknown') {
<                         $data['weight']['content'] .= '<br>' . get_string('aggregationhint' . $hint['status'], 'grades');
<                         $gradeitemdata['status'] = $hint['status'];
<                     }
<                 }
< 
<                 if ($this->showgrade) {
<                     $gradeitemdata['graderaw'] = null;
<                     $gradeitemdata['gradehiddenbydate'] = false;
<                     $gradeitemdata['gradeneedsupdate'] = $grade_grade->grade_item->needsupdate;
<                     $gradeitemdata['gradeishidden'] = $grade_grade->is_hidden();
<                     $gradeitemdata['gradedatesubmitted'] = $grade_grade->get_datesubmitted();
<                     $gradeitemdata['gradedategraded'] = $grade_grade->get_dategraded();
<                     $gradeitemdata['gradeislocked'] = $canviewall ? $grade_grade->is_locked() : null;
<                     $gradeitemdata['gradeisoverridden'] = $canviewall ? $grade_grade->is_overridden() : null;
< 
<                     if ($grade_grade->grade_item->needsupdate) {
<                         $data['grade']['class'] = $class.' gradingerror';
<                         $data['grade']['content'] = get_string('error');
<                     } else if (!empty($CFG->grade_hiddenasdate) and $grade_grade->get_datesubmitted() and !$this->canviewhidden and $grade_grade->is_hidden()
<                            and !$grade_grade->grade_item->is_category_item() and !$grade_grade->grade_item->is_course_item()) {
<                         // the problem here is that we do not have the time when grade value was modified, 'timemodified' is general modification date for grade_grades records
<                         $class .= ' datesubmitted';
<                         $data['grade']['class'] = $class;
<                         $data['grade']['content'] = get_string('submittedon', 'grades', userdate($grade_grade->get_datesubmitted(), get_string('strftimedatetimeshort')));
<                         $gradeitemdata['gradehiddenbydate'] = true;
<                     } else if ($grade_grade->is_hidden()) {
<                         $data['grade']['class'] = $class.' dimmed_text';
<                         $data['grade']['content'] = '-';
< 
<                         if ($this->canviewhidden) {
<                             $gradeitemdata['graderaw'] = $gradeval;
<                             $data['grade']['content'] = grade_format_gradevalue($gradeval,
<                                                                                 $grade_grade->grade_item,
<                                                                                 true);
<                         }
<                     } else {
<                         $data['grade']['class'] = $class;
<                         $data['grade']['content'] = grade_format_gradevalue($gradeval,
<                                                                             $grade_grade->grade_item,
<                                                                             true);
<                         $gradeitemdata['graderaw'] = $gradeval;
<                     }
<                     $data['grade']['headers'] = "$header_cat $header_row grade";
<                     $gradeitemdata['gradeformatted'] = $data['grade']['content'];
<                 }
< 
<                 // Range
<                 if ($this->showrange) {
<                     $data['range']['class'] = $class;
<                     $data['range']['content'] = $grade_grade->grade_item->get_formatted_range(GRADE_DISPLAY_TYPE_REAL, $this->rangedecimals);
<                     $data['range']['headers'] = "$header_cat $header_row range";
< 
<                     $gradeitemdata['rangeformatted'] = $data['range']['content'];
<                     $gradeitemdata['grademin'] = $grade_grade->grade_item->grademin;
<                     $gradeitemdata['grademax'] = $grade_grade->grade_item->grademax;
<                 }
< 
<                 // Percentage
<                 if ($this->showpercentage) {
<                     if ($grade_grade->grade_item->needsupdate) {
<                         $data['percentage']['class'] = $class.' gradingerror';
<                         $data['percentage']['content'] = get_string('error');
<                     } else if ($grade_grade->is_hidden()) {
<                         $data['percentage']['class'] = $class.' dimmed_text';
<                         $data['percentage']['content'] = '-';
<                         if ($this->canviewhidden) {
<                             $data['percentage']['content'] = grade_format_gradevalue($gradeval, $grade_grade->grade_item, true, GRADE_DISPLAY_TYPE_PERCENTAGE);
<                         }
<                     } else {
<                         $data['percentage']['class'] = $class;
<                         $data['percentage']['content'] = grade_format_gradevalue($gradeval, $grade_grade->grade_item, true, GRADE_DISPLAY_TYPE_PERCENTAGE);
<                     }
<                     $data['percentage']['headers'] = "$header_cat $header_row percentage";
<                     $gradeitemdata['percentageformatted'] = $data['percentage']['content'];
<                 }
< 
<                 // Lettergrade
<                 if ($this->showlettergrade) {
<                     if ($grade_grade->grade_item->needsupdate) {
<                         $data['lettergrade']['class'] = $class.' gradingerror';
<                         $data['lettergrade']['content'] = get_string('error');
<                     } else if ($grade_grade->is_hidden()) {
<                         $data['lettergrade']['class'] = $class.' dimmed_text';
<                         if (!$this->canviewhidden) {
<                             $data['lettergrade']['content'] = '-';
<                         } else {
<                             $data['lettergrade']['content'] = grade_format_gradevalue($gradeval, $grade_grade->grade_item, true, GRADE_DISPLAY_TYPE_LETTER);
<                         }
<                     } else {
<                         $data['lettergrade']['class'] = $class;
<                         $data['lettergrade']['content'] = grade_format_gradevalue($gradeval, $grade_grade->grade_item, true, GRADE_DISPLAY_TYPE_LETTER);
<                     }
<                     $data['lettergrade']['headers'] = "$header_cat $header_row lettergrade";
<                     $gradeitemdata['lettergradeformatted'] = $data['lettergrade']['content'];
<                 }
< 
<                 // Rank
<                 if ($this->showrank) {
<                     $gradeitemdata['rank'] = 0;
<                     if ($grade_grade->grade_item->needsupdate) {
<                         $data['rank']['class'] = $class.' gradingerror';
<                         $data['rank']['content'] = get_string('error');
<                         } elseif ($grade_grade->is_hidden()) {
<                             $data['rank']['class'] = $class.' dimmed_text';
<                             $data['rank']['content'] = '-';
<                     } else if (is_null($gradeval)) {
<                         // no grade, no rank
<                         $data['rank']['class'] = $class;
<                         $data['rank']['content'] = '-';
< 
<                     } else {
<                         /// find the number of users with a higher grade
<                         $sql = "SELECT COUNT(DISTINCT(userid))
<                                   FROM {grade_grades}
<                                  WHERE finalgrade > ?
<                                        AND itemid = ?
<                                        AND hidden = 0";
<                         $rank = $DB->count_records_sql($sql, array($grade_grade->finalgrade, $grade_grade->grade_item->id)) + 1;
< 
<                         $data['rank']['class'] = $class;
<                         $numusers = $this->get_numusers(false);
<                         $data['rank']['content'] = "$rank/$numusers"; // Total course users.
< 
<                         $gradeitemdata['rank'] = $rank;
<                         $gradeitemdata['numusers'] = $numusers;
<                     }
<                     $data['rank']['headers'] = "$header_cat $header_row rank";
<                 }
< 
<                 // Average
<                 if ($this->showaverage) {
<                     $gradeitemdata['averageformatted'] = '';
< 
<                     $data['average']['class'] = $class;
<                     if (!empty($this->gtree->items[$eid]->avg)) {
<                         $data['average']['content'] = $this->gtree->items[$eid]->avg;
<                         $gradeitemdata['averageformatted'] = $this->gtree->items[$eid]->avg;
<                     } else {
<                         $data['average']['content'] = '-';
<                     }
<                     $data['average']['headers'] = "$header_cat $header_row average";
<                 }
< 
<                 // Feedback
<                 if ($this->showfeedback) {
<                     $gradeitemdata['feedback'] = '';
<                     $gradeitemdata['feedbackformat'] = $grade_grade->feedbackformat;
< 
<                     if ($grade_grade->feedback) {
<                         $grade_grade->feedback = file_rewrite_pluginfile_urls(
<                             $grade_grade->feedback,
<                             'pluginfile.php',
<                             $grade_grade->get_context()->id,
<                             GRADE_FILE_COMPONENT,
<                             GRADE_FEEDBACK_FILEAREA,
<                             $grade_grade->id
<                         );
<                     }
< 
<                     if ($grade_grade->overridden > 0 AND ($type == 'categoryitem' OR $type == 'courseitem')) {
<                     $data['feedback']['class'] = $classfeedback.' feedbacktext';
<                         $data['feedback']['content'] = get_string('overridden', 'grades').': ' .
<                             format_text($grade_grade->feedback, $grade_grade->feedbackformat,
<                                 ['context' => $grade_grade->get_context()]);
<                         $gradeitemdata['feedback'] = $grade_grade->feedback;
<                     } else if (empty($grade_grade->feedback) or (!$this->canviewhidden and $grade_grade->is_hidden())) {
<                         $data['feedback']['class'] = $classfeedback.' feedbacktext';
<                         $data['feedback']['content'] = '&nbsp;';
<                     } else {
<                         $data['feedback']['class'] = $classfeedback.' feedbacktext';
<                         $data['feedback']['content'] = format_text($grade_grade->feedback, $grade_grade->feedbackformat,
<                             ['context' => $grade_grade->get_context()]);
<                         $gradeitemdata['feedback'] = $grade_grade->feedback;
<                     }
<                     $data['feedback']['headers'] = "$header_cat $header_row feedback";
<                 }
<                 // Contribution to the course total column.
<                 if ($this->showcontributiontocoursetotal) {
<                     $data['contributiontocoursetotal']['class'] = $class;
<                     $data['contributiontocoursetotal']['content'] = '-';
<                     $data['contributiontocoursetotal']['headers'] = "$header_cat $header_row contributiontocoursetotal";
< 
<                 }
<                 $this->gradeitemsdata[] = $gradeitemdata;
<             }
<             // We collect the aggregation hints whether they are hidden or not.
<             if ($this->showcontributiontocoursetotal) {
<                 $hint['grademax'] = $grade_grade->grade_item->grademax;
<                 $hint['grademin'] = $grade_grade->grade_item->grademin;
<                 $hint['grade'] = $gradeval;
<                 $parent = $grade_object->load_parent_category();
<                 if ($grade_object->is_category_item()) {
<                     $parent = $parent->load_parent_category();
<                 }
<                 $hint['parent'] = $parent->load_grade_item()->id;
<                 $this->aggregationhints[$grade_grade->itemid] = $hint;
<             }
<         }
< 
<         /// Category
<         if ($type == 'category') {
<             $data['leader']['class'] = $class.' '.$alter."d$depth b1t b2b b1l";
<             $data['leader']['rowspan'] = $element['rowspan'];
< 
<             if ($this->switch) { // alter style based on whether aggregation is first or last
<                $data['itemname']['class'] = $class.' '.$alter."d$depth b1b b1t";
<             } else {
<                $data['itemname']['class'] = $class.' '.$alter."d$depth b2t";
<             }
<             $data['itemname']['colspan'] = ($this->maxdepth - $depth + count($this->tablecolumns) - 1);
<             $data['itemname']['content'] = $fullname;
<             $data['itemname']['celltype'] = 'th';
<             $data['itemname']['id'] = "cat_{$grade_object->id}_{$this->user->id}";
<         }
< 
<         /// Add this row to the overall system
<         foreach ($data as $key => $celldata) {
<             $data[$key]['class'] .= ' column-' . $key;
<         }
<         $this->tabledata[] = $data;
< 
<         /// Recursively iterate through all child elements
<         if (isset($element['children'])) {
<             foreach ($element['children'] as $key=>$child) {
<                 $this->fill_table_recursive($element['children'][$key]);
<             }
<         }
< 
<         // Check we are showing this column, and we are looking at the root of the table.
<         // This should be the very last thing this fill_table_recursive function does.
<         if ($this->showcontributiontocoursetotal && ($type == 'category' && $depth == 1)) {
<             // We should have collected all the hints by now - walk the tree again and build the contributions column.
< 
<             $this->fill_contributions_column($element);
<         }
<     }
< 
<     /**
<      * This function is called after the table has been built and the aggregationhints
<      * have been collected. We need this info to walk up the list of parents of each
<      * grade_item.
<      *
<      * @param $element - An array containing the table data for the current row.
<      */
<     public function fill_contributions_column($element) {
< 
<         // Recursively iterate through all child elements.
<         if (isset($element['children'])) {
<             foreach ($element['children'] as $key=>$child) {
<                 $this->fill_contributions_column($element['children'][$key]);
<             }
<         } else if ($element['type'] == 'item') {
<             // This is a grade item (We don't do this for categories or we would double count).
<             $grade_object = $element['object'];
<             $itemid = $grade_object->id;
< 
<             // Ignore anything with no hint - e.g. a hidden row.
<             if (isset($this->aggregationhints[$itemid])) {
< 
<                 // Normalise the gradeval.
<                 $gradecat = $grade_object->load_parent_category();
<                 if ($gradecat->aggregation == GRADE_AGGREGATE_SUM) {
<                     // Natural aggregation/Sum of grades does not consider the mingrade, cannot traditionnally normalise it.
<                     $graderange = $this->aggregationhints[$itemid]['grademax'];
< 
<                     if ($graderange != 0) {
<                         $gradeval = $this->aggregationhints[$itemid]['grade'] / $graderange;
<                     } else {
<                         $gradeval = 0;
<                     }
<                 } else {
<                     $gradeval = grade_grade::standardise_score($this->aggregationhints[$itemid]['grade'],
<                         $this->aggregationhints[$itemid]['grademin'], $this->aggregationhints[$itemid]['grademax'], 0, 1);
<                 }
< 
<                 // Multiply the normalised value by the weight
<                 // of all the categories higher in the tree.
<                 $parent = null;
<                 do {
<                     if (!is_null($this->aggregationhints[$itemid]['weight'])) {
<                         $gradeval *= $this->aggregationhints[$itemid]['weight'];
<                     } else if (empty($parent)) {
<                         // If we are in the first loop, and the weight is null, then we cannot calculate the contribution.
<                         $gradeval = null;
<                         break;
<                     }
< 
<                     // The second part of this if is to prevent infinite loops
<                     // in case of crazy data.
<                     if (isset($this->aggregationhints[$itemid]['parent']) &&
<                             $this->aggregationhints[$itemid]['parent'] != $itemid) {
<                         $parent = $this->aggregationhints[$itemid]['parent'];
<                         $itemid = $parent;
<                     } else {
<                         // We are at the top of the tree.
<                         $parent = false;
<                     }
<                 } while ($parent);
< 
<                 // Finally multiply by the course grademax.
<                 if (!is_null($gradeval)) {
<                     // Convert to percent.
<                     $gradeval *= 100;
<                 }
< 
<                 // Now we need to loop through the "built" table data and update the
<                 // contributions column for the current row.
<                 $header_row = "row_{$grade_object->id}_{$this->user->id}";
<                 foreach ($this->tabledata as $key => $row) {
<                     if (isset($row['itemname']) && ($row['itemname']['id'] == $header_row)) {
<                         // Found it - update the column.
<                         $content = '-';
<                         if (!is_null($gradeval)) {
<                             $decimals = $grade_object->get_decimals();
<                             $content = format_float($gradeval, $decimals, true) . ' %';
<                         }
<                         $this->tabledata[$key]['contributiontocoursetotal']['content'] = $content;
<                         break;
<                     }
<                 }
<             }
<         }
<     }
< 
<     /**
<      * Prints or returns the HTML from the flexitable.
<      * @param bool $return Whether or not to return the data instead of printing it directly.
<      * @return string
<      */
<     public function print_table($return=false) {
<          $maxspan = $this->maxdepth;
< 
<         /// Build table structure
<         $html = "
<             <table cellspacing='0'
<                    cellpadding='0'
<                    summary='" . s($this->get_lang_string('tablesummary', 'gradereport_user')) . "'
<                    class='boxaligncenter generaltable user-grade'>
<             <thead>
<                 <tr>
<                     <th id='".$this->tablecolumns[0]."' class=\"header column-{$this->tablecolumns[0]}\" colspan='$maxspan'>".$this->tableheaders[0]."</th>\n";
< 
<         for ($i = 1; $i < count($this->tableheaders); $i++) {
<             $html .= "<th id='".$this->tablecolumns[$i]."' class=\"header column-{$this->tablecolumns[$i]}\">".$this->tableheaders[$i]."</th>\n";
<         }
< 
<         $html .= "
<                 </tr>
<             </thead>
<             <tbody>\n";
< 
<         /// Print out the table data
<         for ($i = 0; $i < count($this->tabledata); $i++) {
<             $html .= "<tr>\n";
<             if (isset($this->tabledata[$i]['leader'])) {
<                 $rowspan = $this->tabledata[$i]['leader']['rowspan'];
<                 $class = $this->tabledata[$i]['leader']['class'];
<                 $html .= "<td class='$class' rowspan='$rowspan'></td>\n";
<             }
<             for ($j = 0; $j < count($this->tablecolumns); $j++) {
<                 $name = $this->tablecolumns[$j];
<                 $class = (isset($this->tabledata[$i][$name]['class'])) ? $this->tabledata[$i][$name]['class'] : '';
<                 $colspan = (isset($this->tabledata[$i][$name]['colspan'])) ? "colspan='".$this->tabledata[$i][$name]['colspan']."'" : '';
<                 $content = (isset($this->tabledata[$i][$name]['content'])) ? $this->tabledata[$i][$name]['content'] : null;
<                 $celltype = (isset($this->tabledata[$i][$name]['celltype'])) ? $this->tabledata[$i][$name]['celltype'] : 'td';
<                 $id = (isset($this->tabledata[$i][$name]['id'])) ? "id='{$this->tabledata[$i][$name]['id']}'" : '';
<                 $headers = (isset($this->tabledata[$i][$name]['headers'])) ? "headers='{$this->tabledata[$i][$name]['headers']}'" : '';
<                 if (isset($content)) {
<                     $html .= "<$celltype $id $headers class='$class' $colspan>$content</$celltype>\n";
<                 }
<             }
<             $html .= "</tr>\n";
<         }
< 
<         $html .= "</tbody></table>";
< 
<         if ($return) {
<             return $html;
<         } else {
<             echo $html;
<         }
<     }
< 
<     /**
<      * Processes the data sent by the form (grades and feedbacks).
<      * @var array $data
<      * @return bool Success or Failure (array of errors).
<      */
<     function process_data($data) {
<     }
<     function process_action($target, $action) {
<     }
< 
<     /**
<      * Builds the grade item averages.
<      */
<     function calculate_averages() {
<         global $USER, $DB, $CFG;
< 
<         if ($this->showaverage) {
<             // This settings are actually grader report settings (not user report)
<             // however we're using them as having two separate but identical settings the
<             // user would have to keep in sync would be annoying.
<             $averagesdisplaytype   = $this->get_pref('averagesdisplaytype');
<             $averagesdecimalpoints = $this->get_pref('averagesdecimalpoints');
<             $meanselection         = $this->get_pref('meanselection');
<             $shownumberofgrades    = $this->get_pref('shownumberofgrades');
< 
<             $avghtml = '';
<             $groupsql = $this->groupsql;
<             $groupwheresql = $this->groupwheresql;
<             $totalcount = $this->get_numusers(false);
< 
<             // We want to query both the current context and parent contexts.
<             list($relatedctxsql, $relatedctxparams) = $DB->get_in_or_equal($this->context->get_parent_context_ids(true), SQL_PARAMS_NAMED, 'relatedctx');
< 
<             // Limit to users with a gradeable role ie students.
<             list($gradebookrolessql, $gradebookrolesparams) = $DB->get_in_or_equal(explode(',', $this->gradebookroles), SQL_PARAMS_NAMED, 'grbr0');
< 
<             // Limit to users with an active enrolment.
<             $coursecontext = $this->context->get_course_context(true);
<             $defaultgradeshowactiveenrol = !empty($CFG->grade_report_showonlyactiveenrol);
<             $showonlyactiveenrol = get_user_preferences('grade_report_showonlyactiveenrol', $defaultgradeshowactiveenrol);
<             $showonlyactiveenrol = $showonlyactiveenrol || !has_capability('moodle/course:viewsuspendedusers', $coursecontext);
<             list($enrolledsql, $enrolledparams) = get_enrolled_sql($this->context, '', 0, $showonlyactiveenrol);
< 
<             $params = array_merge($this->groupwheresql_params, $gradebookrolesparams, $enrolledparams, $relatedctxparams);
<             $params['courseid'] = $this->courseid;
< 
<             // find sums of all grade items in course
<             $sql = "SELECT gg.itemid, SUM(gg.finalgrade) AS sum
<                       FROM {grade_items} gi
<                       JOIN {grade_grades} gg ON gg.itemid = gi.id
<                       JOIN {user} u ON u.id = gg.userid
<                       JOIN ($enrolledsql) je ON je.id = gg.userid
<                       JOIN (
<                                    SELECT DISTINCT ra.userid
<                                      FROM {role_assignments} ra
<                                     WHERE ra.roleid $gradebookrolessql
<                                       AND ra.contextid $relatedctxsql
<                            ) rainner ON rainner.userid = u.id
<                       $groupsql
<                      WHERE gi.courseid = :courseid
<                        AND u.deleted = 0
<                        AND gg.finalgrade IS NOT NULL
<                        AND gg.hidden = 0
<                        $groupwheresql
<                   GROUP BY gg.itemid";
< 
<             $sum_array = array();
<             $sums = $DB->get_recordset_sql($sql, $params);
<             foreach ($sums as $itemid => $csum) {
<                 $sum_array[$itemid] = $csum->sum;
<             }
<             $sums->close();
< 
<             $columncount=0;
< 
<             // Empty grades must be evaluated as grademin, NOT always 0
<             // This query returns a count of ungraded grades (NULL finalgrade OR no matching record in grade_grades table)
<             // No join condition when joining grade_items and user to get a grade item row for every user
<             // Then left join with grade_grades and look for rows with null final grade (which includes grade items with no grade_grade)
<             $sql = "SELECT gi.id, COUNT(u.id) AS count
<                       FROM {grade_items} gi
<                       JOIN {user} u ON u.deleted = 0
<                       JOIN ($enrolledsql) je ON je.id = u.id
<                       JOIN (
<                                SELECT DISTINCT ra.userid
<                                  FROM {role_assignments} ra
<                                 WHERE ra.roleid $gradebookrolessql
<                                   AND ra.contextid $relatedctxsql
<                            ) rainner ON rainner.userid = u.id
<                       LEFT JOIN {grade_grades} gg
<                              ON (gg.itemid = gi.id AND gg.userid = u.id AND gg.finalgrade IS NOT NULL AND gg.hidden = 0)
<                       $groupsql
<                      WHERE gi.courseid = :courseid
<                            AND gg.finalgrade IS NULL
<                            $groupwheresql
<                   GROUP BY gi.id";
< 
<             $ungraded_counts = $DB->get_records_sql($sql, $params);
< 
<             foreach ($this->gtree->items as $itemid=>$unused) {
<                 if (!empty($this->gtree->items[$itemid]->avg)) {
<                     continue;
<                 }
<                 $item = $this->gtree->items[$itemid];
< 
<                 if ($item->needsupdate) {
<                     $avghtml .= '<td class="cell c' . $columncount++.'"><span class="gradingerror">'.get_string('error').'</span></td>';
<                     continue;
<                 }
< 
<                 if (empty($sum_array[$item->id])) {
<                     $sum_array[$item->id] = 0;
<                 }
< 
<                 if (empty($ungraded_counts[$itemid])) {
<                     $ungraded_count = 0;
<                 } else {
<                     $ungraded_count = $ungraded_counts[$itemid]->count;
<                 }
< 
<                 //do they want the averages to include all grade items
<                 if ($meanselection == GRADE_REPORT_MEAN_GRADED) {
<                     $mean_count = $totalcount - $ungraded_count;
<                 } else { // Bump up the sum by the number of ungraded items * grademin
<                     $sum_array[$item->id] += ($ungraded_count * $item->grademin);
<                     $mean_count = $totalcount;
<                 }
< 
<                 // Determine which display type to use for this average
<                 if (!empty($USER->gradeediting) && $USER->gradeediting[$this->courseid]) {
<                     $displaytype = GRADE_DISPLAY_TYPE_REAL;
< 
<                 } else if ($averagesdisplaytype == GRADE_REPORT_PREFERENCE_INHERIT) { // no ==0 here, please resave the report and user preferences
<                     $displaytype = $item->get_displaytype();
< 
<                 } else {
<                     $displaytype = $averagesdisplaytype;
<                 }
< 
<                 // Override grade_item setting if a display preference (not inherit) was set for the averages
<                 if ($averagesdecimalpoints == GRADE_REPORT_PREFERENCE_INHERIT) {
<                     $decimalpoints = $item->get_decimals();
<                 } else {
<                     $decimalpoints = $averagesdecimalpoints;
<                 }
< 
<                 if (empty($sum_array[$item->id]) || $mean_count == 0) {
<                     $this->gtree->items[$itemid]->avg = '-';
<                 } else {
<                     $sum = $sum_array[$item->id];
<                     $avgradeval = $sum/$mean_count;
<                     $gradehtml = grade_format_gradevalue($avgradeval, $item, true, $displaytype, $decimalpoints);
< 
<                     $numberofgrades = '';
<                     if ($shownumberofgrades) {
<                         $numberofgrades = " ($mean_count)";
<                     }
< 
<                     $this->gtree->items[$itemid]->avg = $gradehtml.$numberofgrades;
<                 }
<             }
<         }
<     }
< 
<     /**
<      * Trigger the grade_report_viewed event
<      *
<      * @since Moodle 2.9
<      */
<     public function viewed() {
<         $event = \gradereport_user\event\grade_report_viewed::create(
<             array(
<                 'context' => $this->context,
<                 'courseid' => $this->courseid,
<                 'relateduserid' => $this->user->id,
<             )
<         );
<         $event->trigger();
<     }
< }
< 


function grade_report_user_settings_definition(&$mform) {
    global $CFG;


<     $options = array(-1 => get_string('default', 'grades'),



>     $options = [
>         -1 => get_string('default', 'grades'),


                      0 => get_string('hide'),

<                       1 => get_string('show'));



>         1 => get_string('show')
>     ];



    if (empty($CFG->grade_report_user_showrank)) {
        $options[-1] = get_string('defaultprev', 'grades', $options[0]);
    } else {
        $options[-1] = get_string('defaultprev', 'grades', $options[1]);
    }

    $mform->addElement('select', 'report_user_showrank', get_string('showrank', 'grades'), $options);
    $mform->addHelpButton('report_user_showrank', 'showrank', 'grades');

    if (empty($CFG->grade_report_user_showpercentage)) {
        $options[-1] = get_string('defaultprev', 'grades', $options[0]);
    } else {
        $options[-1] = get_string('defaultprev', 'grades', $options[1]);
    }

    $mform->addElement('select', 'report_user_showpercentage', get_string('showpercentage', 'grades'), $options);
    $mform->addHelpButton('report_user_showpercentage', 'showpercentage', 'grades');

    if (empty($CFG->grade_report_user_showgrade)) {
        $options[-1] = get_string('defaultprev', 'grades', $options[0]);
    } else {
        $options[-1] = get_string('defaultprev', 'grades', $options[1]);
    }

    $mform->addElement('select', 'report_user_showgrade', get_string('showgrade', 'grades'), $options);

    if (empty($CFG->grade_report_user_showfeedback)) {
        $options[-1] = get_string('defaultprev', 'grades', $options[0]);
    } else {
        $options[-1] = get_string('defaultprev', 'grades', $options[1]);
    }

    $mform->addElement('select', 'report_user_showfeedback', get_string('showfeedback', 'grades'), $options);

    if (empty($CFG->grade_report_user_showweight)) {
        $options[-1] = get_string('defaultprev', 'grades', $options[0]);
    } else {
        $options[-1] = get_string('defaultprev', 'grades', $options[1]);
    }

    $mform->addElement('select', 'report_user_showweight', get_string('showweight', 'grades'), $options);

    if (empty($CFG->grade_report_user_showaverage)) {
        $options[-1] = get_string('defaultprev', 'grades', $options[0]);
    } else {
        $options[-1] = get_string('defaultprev', 'grades', $options[1]);
    }

    $mform->addElement('select', 'report_user_showaverage', get_string('showaverage', 'grades'), $options);
    $mform->addHelpButton('report_user_showaverage', 'showaverage', 'grades');

    if (empty($CFG->grade_report_user_showlettergrade)) {
        $options[-1] = get_string('defaultprev', 'grades', $options[0]);
    } else {
        $options[-1] = get_string('defaultprev', 'grades', $options[1]);
    }

    $mform->addElement('select', 'report_user_showlettergrade', get_string('showlettergrade', 'grades'), $options);
    if (empty($CFG->grade_report_user_showcontributiontocoursetotal)) {
        $options[-1] = get_string('defaultprev', 'grades', $options[0]);
    } else {
        $options[-1] = get_string('defaultprev', 'grades', $options[$CFG->grade_report_user_showcontributiontocoursetotal]);
    }

    $mform->addElement('select', 'report_user_showcontributiontocoursetotal', get_string('showcontributiontocoursetotal', 'grades'), $options);
    $mform->addHelpButton('report_user_showcontributiontocoursetotal', 'showcontributiontocoursetotal', 'grades');

    if (empty($CFG->grade_report_user_showrange)) {
        $options[-1] = get_string('defaultprev', 'grades', $options[0]);
    } else {
        $options[-1] = get_string('defaultprev', 'grades', $options[1]);
    }

    $mform->addElement('select', 'report_user_showrange', get_string('showrange', 'grades'), $options);


<     $options = array(0=>0, 1=>1, 2=>2, 3=>3, 4=>4, 5=>5);



>     $options = [
>         0 => 0,
>         1 => 1,
>         2 => 2,
>         3 => 3,
>         4 => 4,
>         5 => 5
>     ];
> 


    if (! empty($CFG->grade_report_user_rangedecimals)) {
        $options[-1] = $options[$CFG->grade_report_user_rangedecimals];
    }
    $mform->addElement('select', 'report_user_rangedecimals', get_string('rangedecimals', 'grades'), $options);


<     $options = array(-1 => get_string('default', 'grades'),



>     $options = [
>         -1 => get_string('default', 'grades'),


                      0 => get_string('shownohidden', 'grades'),
                      1 => get_string('showhiddenuntilonly', 'grades'),

<                       2 => get_string('showallhidden', 'grades'));



>         2 => get_string('showallhidden', 'grades')
>     ];



    if (empty($CFG->grade_report_user_showhiddenitems)) {
        $options[-1] = get_string('defaultprev', 'grades', $options[0]);
    } else {
        $options[-1] = get_string('defaultprev', 'grades', $options[$CFG->grade_report_user_showhiddenitems]);
    }

    $mform->addElement('select', 'report_user_showhiddenitems', get_string('showhiddenitems', 'grades'), $options);
    $mform->addHelpButton('report_user_showhiddenitems', 'showhiddenitems', 'grades');


<     //showtotalsifcontainhidden
<     $options = array(-1 => get_string('default', 'grades'),



>     $options = [
>         -1 => get_string('default', 'grades'),


                      GRADE_REPORT_HIDE_TOTAL_IF_CONTAINS_HIDDEN => get_string('hide'),
                      GRADE_REPORT_SHOW_TOTAL_IF_CONTAINS_HIDDEN => get_string('hidetotalshowexhiddenitems', 'grades'),

<                       GRADE_REPORT_SHOW_REAL_TOTAL_IF_CONTAINS_HIDDEN => get_string('hidetotalshowinchiddenitems', 'grades') );



>         GRADE_REPORT_SHOW_REAL_TOTAL_IF_CONTAINS_HIDDEN => get_string('hidetotalshowinchiddenitems', 'grades')
>     ];



    if (empty($CFG->grade_report_user_showtotalsifcontainhidden)) {
        $options[-1] = get_string('defaultprev', 'grades', $options[0]);
    } else {
        $options[-1] = get_string('defaultprev', 'grades', $options[$CFG->grade_report_user_showtotalsifcontainhidden]);
    }

    $mform->addElement('select', 'report_user_showtotalsifcontainhidden', get_string('hidetotalifhiddenitems', 'grades'), $options);
    $mform->addHelpButton('report_user_showtotalsifcontainhidden', 'hidetotalifhiddenitems', 'grades');

}

/**
 * Profile report callback.
 *
 * @param object $course The course.
 * @param object $user The user.
 * @param boolean $viewasuser True when we are viewing this as the targetted user sees it.
 */

< function grade_report_user_profilereport($course, $user, $viewasuser = false) {
<     global $OUTPUT;



> function grade_report_user_profilereport(object $course, object $user, bool $viewasuser = false) {


    if (!empty($course->showgrades)) {

        $context = context_course::instance($course->id);


<         /// return tracking object
<         $gpr = new grade_plugin_return(array('type'=>'report', 'plugin'=>'user', 'courseid'=>$course->id, 'userid'=>$user->id));
<         // Create a report instance
<         $report = new grade_report_user($course->id, $gpr, $context, $user->id, $viewasuser);



>         // Fetch the return tracking object.
>         $gpr = new grade_plugin_return(
>             ['type' => 'report', 'plugin' => 'user', 'courseid' => $course->id, 'userid' => $user->id]
>         );
>         // Create a report instance.
>         $report = new gradereport_user\report\user($course->id, $gpr, $context, $user->id, $viewasuser);




<         // print the page
<         echo '<div class="grade-report-user">'; // css fix to share styles with real report page



>         // Print the page.
>         // A css fix to share styles with real report page.
>         echo '<div class="grade-report-user">';


        if ($report->fill_table()) {
            echo $report->print_table(true);
        }
        echo '</div>';
    }
}

/**
 * Add nodes to myprofile page.
 *

<  * @param \core_user\output\myprofile\tree $tree Tree object



>  * @param tree $tree Tree object


 * @param stdClass $user user object
 * @param bool $iscurrentuser

<  * @param stdClass $course Course object



>  * @param null|stdClass $course Course object


 */

< function gradereport_user_myprofile_navigation(core_user\output\myprofile\tree $tree, $user, $iscurrentuser, $course) {
<     global $CFG, $USER;



> function gradereport_user_myprofile_navigation(tree $tree, stdClass $user, bool $iscurrentuser, ?stdClass $course) {


    if (empty($course)) {
        // We want to display these reports under the site context.
        $course = get_fast_modinfo(SITEID)->get_course();
    }
    $usercontext = context_user::instance($user->id);
    $anyreport = has_capability('moodle/user:viewuseractivitiesreport', $usercontext);

    // Start capability checks.
    if ($anyreport || $iscurrentuser) {
        // Add grade hardcoded grade report if necessary.
        $gradeaccess = false;
        $coursecontext = context_course::instance($course->id);
        if (has_capability('moodle/grade:viewall', $coursecontext)) {
            // Can view all course grades.
            $gradeaccess = true;
        } else if ($course->showgrades) {
            if ($iscurrentuser && has_capability('moodle/grade:view', $coursecontext)) {
                // Can view own grades.
                $gradeaccess = true;
            } else if (has_capability('moodle/grade:viewall', $usercontext)) {
                // Can view grades of this user - parent most probably.
                $gradeaccess = true;
            } else if ($anyreport) {
                // Can view grades of this user - parent most probably.
                $gradeaccess = true;
            }
        }
        if ($gradeaccess) {
            $url = new moodle_url('/course/user.php', array('mode' => 'grade', 'id' => $course->id, 'user' => $user->id));
            $node = new core_user\output\myprofile\node('reports', 'grade', get_string('grades'), null, $url);
            $tree->add_node($node);
        }
    }
}