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efrain |
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<?php
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// This file is part of Moodle - http://moodle.org/
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//
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// Moodle is free software: you can redistribute it and/or modify
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// it under the terms of the GNU General Public License as published by
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// the Free Software Foundation, either version 3 of the License, or
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// (at your option) any later version.
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//
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// Moodle is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU General Public License for more details.
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//
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// You should have received a copy of the GNU General Public License
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// along with Moodle. If not, see <http://www.gnu.org/licenses/>.
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/**
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* Definition of a class to represent an individual user's grade
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*
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* @package core_grades
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* @category grade
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* @copyright 2006 Nicolas Connault
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* @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
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*/
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defined('MOODLE_INTERNAL') || die();
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require_once('grade_object.php');
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/**
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* grade_grades is an object mapped to DB table {prefix}grade_grades
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*
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* @package core_grades
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* @category grade
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* @copyright 2006 Nicolas Connault
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* @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
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*/
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class grade_grade extends grade_object {
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/**
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* The DB table.
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* @var string $table
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*/
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public $table = 'grade_grades';
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/**
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* Array of required table fields, must start with 'id'.
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* @var array $required_fields
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*/
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public $required_fields = array('id', 'itemid', 'userid', 'rawgrade', 'rawgrademax', 'rawgrademin',
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'rawscaleid', 'usermodified', 'finalgrade', 'hidden', 'locked',
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'locktime', 'exported', 'overridden', 'excluded', 'timecreated',
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'timemodified', 'aggregationstatus', 'aggregationweight');
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/**
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* Array of optional fields with default values (these should match db defaults)
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* @var array $optional_fields
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*/
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public $optional_fields = array('feedback'=>null, 'feedbackformat'=>0, 'information'=>null, 'informationformat'=>0);
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/**
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* The id of the grade_item this grade belongs to.
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* @var int $itemid
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*/
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public $itemid;
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/**
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* The grade_item object referenced by $this->itemid.
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* @var grade_item $grade_item
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*/
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public $grade_item;
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/**
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* The id of the user this grade belongs to.
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* @var int $userid
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*/
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public $userid;
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/**
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* The grade value of this raw grade, if such was provided by the module.
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* @var float $rawgrade
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*/
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public $rawgrade;
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/**
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* The maximum allowable grade when this grade was created.
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* @var float $rawgrademax
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*/
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public $rawgrademax = 100;
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/**
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* The minimum allowable grade when this grade was created.
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* @var float $rawgrademin
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*/
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public $rawgrademin = 0;
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/**
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* id of the scale, if this grade is based on a scale.
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* @var int $rawscaleid
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*/
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public $rawscaleid;
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/**
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* The userid of the person who last modified this grade.
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* @var int $usermodified
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*/
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public $usermodified;
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/**
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* The final value of this grade.
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* @var float $finalgrade
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*/
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public $finalgrade;
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/**
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* 0 if visible, 1 always hidden or date not visible until
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* @var float $hidden
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*/
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public $hidden = 0;
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/**
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* 0 not locked, date when the item was locked
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* @var float locked
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*/
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public $locked = 0;
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/**
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* 0 no automatic locking, date when to lock the grade automatically
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* @var float $locktime
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*/
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public $locktime = 0;
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/**
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* Exported flag
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* @var bool $exported
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*/
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public $exported = 0;
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/**
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* Overridden flag
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* @var bool $overridden
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*/
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public $overridden = 0;
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/**
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* Grade excluded from aggregation functions
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* @var bool $excluded
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*/
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public $excluded = 0;
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/**
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* TODO: HACK: create a new field datesubmitted - the date of submission if any (MDL-31377)
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* @var bool $timecreated
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*/
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public $timecreated = null;
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/**
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* TODO: HACK: create a new field dategraded - the date of grading (MDL-31378)
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* @var bool $timemodified
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*/
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public $timemodified = null;
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/**
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* Aggregation status flag. Can be one of 'unknown', 'dropped', 'novalue' or 'used'.
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* @var string $aggregationstatus
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*/
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public $aggregationstatus = 'unknown';
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/**
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* Aggregation weight is the specific weight used in the aggregation calculation for this grade.
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* @var float $aggregationweight
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*/
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public $aggregationweight = null;
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/**
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* Feedback files to copy.
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*
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* Example -
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*
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* [
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* 'contextid' => 1,
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* 'component' => 'mod_xyz',
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* 'filearea' => 'mod_xyz_feedback',
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* 'itemid' => 2
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* ];
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*
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* @var array
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*/
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public $feedbackfiles = [];
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/**
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* Feedback content.
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* @var string $feedback
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*/
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public $feedback;
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/**
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* Feedback format.
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* @var int $feedbackformat
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*/
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public $feedbackformat = FORMAT_PLAIN;
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/**
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* Information text.
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* @var string $information
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*/
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public $information;
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/**
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* Information text format.
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* @var int $informationformat
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*/
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public $informationformat = FORMAT_PLAIN;
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/**
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* label text.
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* @var string $label
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*/
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public $label;
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/**
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* Returns array of grades for given grade_item+users
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*
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* @param grade_item $grade_item
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* @param array $userids
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* @param bool $include_missing include grades that do not exist yet
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* @return array userid=>grade_grade array
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*/
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public static function fetch_users_grades($grade_item, $userids, $include_missing=true) {
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global $DB;
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// hmm, there might be a problem with length of sql query
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// if there are too many users requested - we might run out of memory anyway
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$limit = 2000;
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$count = count($userids);
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if ($count > $limit) {
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$half = (int)($count/2);
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$first = array_slice($userids, 0, $half);
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$second = array_slice($userids, $half);
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return grade_grade::fetch_users_grades($grade_item, $first, $include_missing) + grade_grade::fetch_users_grades($grade_item, $second, $include_missing);
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}
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list($user_ids_cvs, $params) = $DB->get_in_or_equal($userids, SQL_PARAMS_NAMED, 'uid0');
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$params['giid'] = $grade_item->id;
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$result = array();
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if ($grade_records = $DB->get_records_select('grade_grades', "itemid=:giid AND userid $user_ids_cvs", $params)) {
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foreach ($grade_records as $record) {
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$result[$record->userid] = new grade_grade($record, false);
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}
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}
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if ($include_missing) {
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foreach ($userids as $userid) {
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if (!array_key_exists($userid, $result)) {
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$grade_grade = new grade_grade();
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$grade_grade->userid = $userid;
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$grade_grade->itemid = $grade_item->id;
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$result[$userid] = $grade_grade;
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}
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}
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}
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return $result;
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}
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/**
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* Loads the grade_item object referenced by $this->itemid and saves it as $this->grade_item for easy access
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*
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* @return ?grade_item The grade_item instance referenced by $this->itemid
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*/
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public function load_grade_item() {
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if (empty($this->itemid)) {
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debugging('Missing itemid');
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$this->grade_item = null;
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return null;
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}
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if (empty($this->grade_item)) {
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$this->grade_item = grade_item::fetch(array('id'=>$this->itemid));
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} else if ($this->grade_item->id != $this->itemid) {
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debugging('Itemid mismatch');
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$this->grade_item = grade_item::fetch(array('id'=>$this->itemid));
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}
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if (empty($this->grade_item)) {
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debugging("Missing grade item id $this->itemid", DEBUG_DEVELOPER);
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}
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return $this->grade_item;
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}
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/**
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* Is grading object editable?
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*
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* @return bool
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*/
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public function is_editable() {
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if ($this->is_locked()) {
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return false;
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}
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$grade_item = $this->load_grade_item();
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if ($grade_item->gradetype == GRADE_TYPE_NONE) {
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return false;
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}
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if ($grade_item->is_course_item() or $grade_item->is_category_item()) {
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return (bool)get_config('moodle', 'grade_overridecat');
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}
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return true;
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}
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/**
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* Check grade lock status. Uses both grade item lock and grade lock.
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* Internally any date in locked field (including future ones) means locked,
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* the date is stored for logging purposes only.
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*
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* @return bool True if locked, false if not
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*/
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public function is_locked() {
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$this->load_grade_item();
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if (empty($this->grade_item)) {
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return !empty($this->locked);
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} else {
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return !empty($this->locked) or $this->grade_item->is_locked();
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}
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}
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/**
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* Checks if grade overridden
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*
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* @return bool True if grade is overriden
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*/
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public function is_overridden() {
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return !empty($this->overridden);
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}
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/**
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* Returns timestamp of submission related to this grade, null if not submitted.
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*
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* @return int Timestamp
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*/
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public function get_datesubmitted() {
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//TODO: HACK - create new fields (MDL-31379)
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return $this->timecreated;
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}
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/**
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* Returns the weight this grade contributed to the aggregated grade
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*
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* @return float|null
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*/
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public function get_aggregationweight() {
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return $this->aggregationweight;
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}
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/**
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* Set aggregationweight.
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*
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* @param float $aggregationweight
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* @return void
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*/
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public function set_aggregationweight($aggregationweight) {
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$this->aggregationweight = $aggregationweight;
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$this->update();
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}
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/**
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* Returns the info on how this value was used in the aggregated grade
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*
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* @return string One of 'dropped', 'excluded', 'novalue', 'used' or 'extra'
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*/
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public function get_aggregationstatus() {
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return $this->aggregationstatus;
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}
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/**
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* Set aggregationstatus flag
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*
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* @param string $aggregationstatus
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* @return void
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*/
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public function set_aggregationstatus($aggregationstatus) {
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$this->aggregationstatus = $aggregationstatus;
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$this->update();
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}
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/**
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|
391 |
* Returns the minimum and maximum number of points this grade is graded with respect to.
|
|
|
392 |
*
|
|
|
393 |
* @since Moodle 2.8.7, 2.9.1
|
|
|
394 |
* @return array A list containing, in order, the minimum and maximum number of points.
|
|
|
395 |
*/
|
|
|
396 |
protected function get_grade_min_and_max() {
|
|
|
397 |
global $CFG;
|
|
|
398 |
$this->load_grade_item();
|
|
|
399 |
|
|
|
400 |
// When the following setting is turned on we use the grade_grade raw min and max values.
|
|
|
401 |
$minmaxtouse = grade_get_setting($this->grade_item->courseid, 'minmaxtouse', $CFG->grade_minmaxtouse);
|
|
|
402 |
|
|
|
403 |
// Check to see if the gradebook is frozen. This allows grades to not be altered at all until a user verifies that they
|
|
|
404 |
// wish to update the grades.
|
|
|
405 |
$gradebookcalculationsfreeze = 'gradebook_calculations_freeze_' . $this->grade_item->courseid;
|
|
|
406 |
// Gradebook is frozen, run through old code.
|
|
|
407 |
if (isset($CFG->$gradebookcalculationsfreeze) && (int)$CFG->$gradebookcalculationsfreeze <= 20150627) {
|
|
|
408 |
// Only aggregate items use separate min grades.
|
|
|
409 |
if ($minmaxtouse == GRADE_MIN_MAX_FROM_GRADE_GRADE || $this->grade_item->is_aggregate_item()) {
|
|
|
410 |
return array($this->rawgrademin, $this->rawgrademax);
|
|
|
411 |
} else {
|
|
|
412 |
return array($this->grade_item->grademin, $this->grade_item->grademax);
|
|
|
413 |
}
|
|
|
414 |
} else {
|
|
|
415 |
// Only aggregate items use separate min grades, unless they are calculated grade items.
|
|
|
416 |
if (($this->grade_item->is_aggregate_item() && !$this->grade_item->is_calculated())
|
|
|
417 |
|| $minmaxtouse == GRADE_MIN_MAX_FROM_GRADE_GRADE) {
|
|
|
418 |
return array($this->rawgrademin, $this->rawgrademax);
|
|
|
419 |
} else {
|
|
|
420 |
return array($this->grade_item->grademin, $this->grade_item->grademax);
|
|
|
421 |
}
|
|
|
422 |
}
|
|
|
423 |
}
|
|
|
424 |
|
|
|
425 |
/**
|
|
|
426 |
* Returns the minimum number of points this grade is graded with.
|
|
|
427 |
*
|
|
|
428 |
* @since Moodle 2.8.7, 2.9.1
|
|
|
429 |
* @return float The minimum number of points
|
|
|
430 |
*/
|
|
|
431 |
public function get_grade_min() {
|
|
|
432 |
list($min, $max) = $this->get_grade_min_and_max();
|
|
|
433 |
|
|
|
434 |
return $min;
|
|
|
435 |
}
|
|
|
436 |
|
|
|
437 |
/**
|
|
|
438 |
* Returns the maximum number of points this grade is graded with respect to.
|
|
|
439 |
*
|
|
|
440 |
* @since Moodle 2.8.7, 2.9.1
|
|
|
441 |
* @return float The maximum number of points
|
|
|
442 |
*/
|
|
|
443 |
public function get_grade_max() {
|
|
|
444 |
list($min, $max) = $this->get_grade_min_and_max();
|
|
|
445 |
|
|
|
446 |
return $max;
|
|
|
447 |
}
|
|
|
448 |
|
|
|
449 |
/**
|
|
|
450 |
* Returns timestamp when last graded, null if no grade present
|
|
|
451 |
*
|
|
|
452 |
* @return ?int
|
|
|
453 |
*/
|
|
|
454 |
public function get_dategraded() {
|
|
|
455 |
//TODO: HACK - create new fields (MDL-31379)
|
|
|
456 |
if (is_null($this->finalgrade) and is_null($this->feedback)) {
|
|
|
457 |
return null; // no grade == no date
|
|
|
458 |
} else if ($this->overridden) {
|
|
|
459 |
return $this->overridden;
|
|
|
460 |
} else {
|
|
|
461 |
return $this->timemodified;
|
|
|
462 |
}
|
|
|
463 |
}
|
|
|
464 |
|
|
|
465 |
/**
|
|
|
466 |
* Set the overridden status of grade
|
|
|
467 |
*
|
|
|
468 |
* @param bool $state requested overridden state
|
|
|
469 |
* @param bool $refresh refresh grades from external activities if needed
|
|
|
470 |
* @return bool true is db state changed
|
|
|
471 |
*/
|
|
|
472 |
public function set_overridden($state, $refresh = true) {
|
|
|
473 |
if (empty($this->overridden) and $state) {
|
|
|
474 |
$this->overridden = time();
|
|
|
475 |
$this->update(null, true);
|
|
|
476 |
return true;
|
|
|
477 |
|
|
|
478 |
} else if (!empty($this->overridden) and !$state) {
|
|
|
479 |
$this->overridden = 0;
|
|
|
480 |
$this->update(null, true);
|
|
|
481 |
|
|
|
482 |
if ($refresh) {
|
|
|
483 |
//refresh when unlocking
|
|
|
484 |
$this->grade_item->refresh_grades($this->userid);
|
|
|
485 |
}
|
|
|
486 |
|
|
|
487 |
return true;
|
|
|
488 |
}
|
|
|
489 |
return false;
|
|
|
490 |
}
|
|
|
491 |
|
|
|
492 |
/**
|
|
|
493 |
* Checks if grade excluded from aggregation functions
|
|
|
494 |
*
|
|
|
495 |
* @return bool True if grade is excluded from aggregation
|
|
|
496 |
*/
|
|
|
497 |
public function is_excluded() {
|
|
|
498 |
return !empty($this->excluded);
|
|
|
499 |
}
|
|
|
500 |
|
|
|
501 |
/**
|
|
|
502 |
* Set the excluded status of grade
|
|
|
503 |
*
|
|
|
504 |
* @param bool $state requested excluded state
|
|
|
505 |
* @return bool True is database state changed
|
|
|
506 |
*/
|
|
|
507 |
public function set_excluded($state) {
|
|
|
508 |
if (empty($this->excluded) and $state) {
|
|
|
509 |
$this->excluded = time();
|
|
|
510 |
$this->update();
|
|
|
511 |
return true;
|
|
|
512 |
|
|
|
513 |
} else if (!empty($this->excluded) and !$state) {
|
|
|
514 |
$this->excluded = 0;
|
|
|
515 |
$this->update();
|
|
|
516 |
return true;
|
|
|
517 |
}
|
|
|
518 |
return false;
|
|
|
519 |
}
|
|
|
520 |
|
|
|
521 |
/**
|
|
|
522 |
* Lock/unlock this grade.
|
|
|
523 |
*
|
|
|
524 |
* @param int $lockedstate 0, 1 or a timestamp int(10) after which date the item will be locked.
|
|
|
525 |
* @param bool $cascade Ignored param
|
|
|
526 |
* @param bool $refresh Refresh grades when unlocking
|
|
|
527 |
* @return bool True if successful, false if can not set new lock state for grade
|
|
|
528 |
*/
|
|
|
529 |
public function set_locked($lockedstate, $cascade=false, $refresh=true) {
|
|
|
530 |
$this->load_grade_item();
|
|
|
531 |
|
|
|
532 |
if ($lockedstate) {
|
|
|
533 |
if ($this->grade_item->needsupdate) {
|
|
|
534 |
//can not lock grade if final not calculated!
|
|
|
535 |
return false;
|
|
|
536 |
}
|
|
|
537 |
|
|
|
538 |
$this->locked = time();
|
|
|
539 |
$this->update();
|
|
|
540 |
|
|
|
541 |
return true;
|
|
|
542 |
|
|
|
543 |
} else {
|
|
|
544 |
if (!empty($this->locked) and $this->locktime < time()) {
|
|
|
545 |
//we have to reset locktime or else it would lock up again
|
|
|
546 |
$this->locktime = 0;
|
|
|
547 |
}
|
|
|
548 |
|
|
|
549 |
// remove the locked flag
|
|
|
550 |
$this->locked = 0;
|
|
|
551 |
$this->update();
|
|
|
552 |
|
|
|
553 |
if ($refresh and !$this->is_overridden()) {
|
|
|
554 |
//refresh when unlocking and not overridden
|
|
|
555 |
$this->grade_item->refresh_grades($this->userid);
|
|
|
556 |
}
|
|
|
557 |
|
|
|
558 |
return true;
|
|
|
559 |
}
|
|
|
560 |
}
|
|
|
561 |
|
|
|
562 |
/**
|
|
|
563 |
* Lock the grade if needed. Make sure this is called only when final grades are valid
|
|
|
564 |
*
|
|
|
565 |
* @param array $items array of all grade item ids
|
|
|
566 |
* @return void
|
|
|
567 |
*/
|
|
|
568 |
public static function check_locktime_all($items) {
|
|
|
569 |
global $CFG, $DB;
|
|
|
570 |
|
|
|
571 |
$now = time(); // no rounding needed, this is not supposed to be called every 10 seconds
|
|
|
572 |
list($usql, $params) = $DB->get_in_or_equal($items);
|
|
|
573 |
$params[] = $now;
|
|
|
574 |
$rs = $DB->get_recordset_select('grade_grades', "itemid $usql AND locked = 0 AND locktime > 0 AND locktime < ?", $params);
|
|
|
575 |
foreach ($rs as $grade) {
|
|
|
576 |
$grade_grade = new grade_grade($grade, false);
|
|
|
577 |
$grade_grade->locked = time();
|
|
|
578 |
$grade_grade->update('locktime');
|
|
|
579 |
}
|
|
|
580 |
$rs->close();
|
|
|
581 |
}
|
|
|
582 |
|
|
|
583 |
/**
|
|
|
584 |
* Set the locktime for this grade.
|
|
|
585 |
*
|
|
|
586 |
* @param int $locktime timestamp for lock to activate
|
|
|
587 |
* @return void
|
|
|
588 |
*/
|
|
|
589 |
public function set_locktime($locktime) {
|
|
|
590 |
$this->locktime = $locktime;
|
|
|
591 |
$this->update();
|
|
|
592 |
}
|
|
|
593 |
|
|
|
594 |
/**
|
|
|
595 |
* Get the locktime for this grade.
|
|
|
596 |
*
|
|
|
597 |
* @return int $locktime timestamp for lock to activate
|
|
|
598 |
*/
|
|
|
599 |
public function get_locktime() {
|
|
|
600 |
$this->load_grade_item();
|
|
|
601 |
|
|
|
602 |
$item_locktime = $this->grade_item->get_locktime();
|
|
|
603 |
|
|
|
604 |
if (empty($this->locktime) or ($item_locktime and $item_locktime < $this->locktime)) {
|
|
|
605 |
return $item_locktime;
|
|
|
606 |
|
|
|
607 |
} else {
|
|
|
608 |
return $this->locktime;
|
|
|
609 |
}
|
|
|
610 |
}
|
|
|
611 |
|
|
|
612 |
/**
|
|
|
613 |
* Check grade hidden status. Uses data from both grade item and grade.
|
|
|
614 |
*
|
|
|
615 |
* @return bool true if hidden, false if not
|
|
|
616 |
*/
|
|
|
617 |
public function is_hidden() {
|
|
|
618 |
$this->load_grade_item();
|
|
|
619 |
if (empty($this->grade_item)) {
|
|
|
620 |
return $this->hidden == 1 or ($this->hidden != 0 and $this->hidden > time());
|
|
|
621 |
} else {
|
|
|
622 |
return $this->hidden == 1 or ($this->hidden != 0 and $this->hidden > time()) or $this->grade_item->is_hidden();
|
|
|
623 |
}
|
|
|
624 |
}
|
|
|
625 |
|
|
|
626 |
/**
|
|
|
627 |
* Check grade hidden status. Uses data from both grade item and grade.
|
|
|
628 |
*
|
|
|
629 |
* @return bool true if hiddenuntil, false if not
|
|
|
630 |
*/
|
|
|
631 |
public function is_hiddenuntil() {
|
|
|
632 |
$this->load_grade_item();
|
|
|
633 |
|
|
|
634 |
if ($this->hidden == 1 or $this->grade_item->hidden == 1) {
|
|
|
635 |
return false; //always hidden
|
|
|
636 |
}
|
|
|
637 |
|
|
|
638 |
if ($this->hidden > 1 or $this->grade_item->hidden > 1) {
|
|
|
639 |
return true;
|
|
|
640 |
}
|
|
|
641 |
|
|
|
642 |
return false;
|
|
|
643 |
}
|
|
|
644 |
|
|
|
645 |
/**
|
|
|
646 |
* Check grade hidden status. Uses data from both grade item and grade.
|
|
|
647 |
*
|
|
|
648 |
* @return int 0 means visible, 1 hidden always, timestamp hidden until
|
|
|
649 |
*/
|
|
|
650 |
public function get_hidden() {
|
|
|
651 |
$this->load_grade_item();
|
|
|
652 |
|
|
|
653 |
$item_hidden = $this->grade_item->get_hidden();
|
|
|
654 |
|
|
|
655 |
if ($item_hidden == 1) {
|
|
|
656 |
return 1;
|
|
|
657 |
|
|
|
658 |
} else if ($item_hidden == 0) {
|
|
|
659 |
return $this->hidden;
|
|
|
660 |
|
|
|
661 |
} else {
|
|
|
662 |
if ($this->hidden == 0) {
|
|
|
663 |
return $item_hidden;
|
|
|
664 |
} else if ($this->hidden == 1) {
|
|
|
665 |
return 1;
|
|
|
666 |
} else if ($this->hidden > $item_hidden) {
|
|
|
667 |
return $this->hidden;
|
|
|
668 |
} else {
|
|
|
669 |
return $item_hidden;
|
|
|
670 |
}
|
|
|
671 |
}
|
|
|
672 |
}
|
|
|
673 |
|
|
|
674 |
/**
|
|
|
675 |
* Set the hidden status of grade, 0 mean visible, 1 always hidden, number means date to hide until.
|
|
|
676 |
*
|
|
|
677 |
* @param int $hidden new hidden status
|
|
|
678 |
* @param bool $cascade ignored
|
|
|
679 |
*/
|
|
|
680 |
public function set_hidden($hidden, $cascade=false) {
|
|
|
681 |
$this->hidden = $hidden;
|
|
|
682 |
$this->update();
|
|
|
683 |
}
|
|
|
684 |
|
|
|
685 |
/**
|
|
|
686 |
* Finds and returns a grade_grade instance based on params.
|
|
|
687 |
*
|
|
|
688 |
* @param array $params associative arrays varname=>value
|
|
|
689 |
* @return grade_grade Returns a grade_grade instance or false if none found
|
|
|
690 |
*/
|
|
|
691 |
public static function fetch($params) {
|
|
|
692 |
return grade_object::fetch_helper('grade_grades', 'grade_grade', $params);
|
|
|
693 |
}
|
|
|
694 |
|
|
|
695 |
/**
|
|
|
696 |
* Finds and returns all grade_grade instances based on params.
|
|
|
697 |
*
|
|
|
698 |
* @param array $params associative arrays varname=>value
|
|
|
699 |
* @return array array of grade_grade instances or false if none found.
|
|
|
700 |
*/
|
|
|
701 |
public static function fetch_all($params) {
|
|
|
702 |
return grade_object::fetch_all_helper('grade_grades', 'grade_grade', $params);
|
|
|
703 |
}
|
|
|
704 |
|
|
|
705 |
/**
|
|
|
706 |
* Given a float value situated between a source minimum and a source maximum, converts it to the
|
|
|
707 |
* corresponding value situated between a target minimum and a target maximum. Thanks to Darlene
|
|
|
708 |
* for the formula :-)
|
|
|
709 |
*
|
|
|
710 |
* @param float $rawgrade
|
|
|
711 |
* @param float $source_min
|
|
|
712 |
* @param float $source_max
|
|
|
713 |
* @param float $target_min
|
|
|
714 |
* @param float $target_max
|
|
|
715 |
* @return ?float Converted value
|
|
|
716 |
*/
|
|
|
717 |
public static function standardise_score($rawgrade, $source_min, $source_max, $target_min, $target_max) {
|
|
|
718 |
if (is_null($rawgrade)) {
|
|
|
719 |
return null;
|
|
|
720 |
}
|
|
|
721 |
|
|
|
722 |
if ($source_max == $source_min or $target_min == $target_max) {
|
|
|
723 |
// prevent division by 0
|
|
|
724 |
return $target_max;
|
|
|
725 |
}
|
|
|
726 |
|
|
|
727 |
$factor = ($rawgrade - $source_min) / ($source_max - $source_min);
|
|
|
728 |
$diff = $target_max - $target_min;
|
|
|
729 |
$standardised_value = $factor * $diff + $target_min;
|
|
|
730 |
return $standardised_value;
|
|
|
731 |
}
|
|
|
732 |
|
|
|
733 |
/**
|
|
|
734 |
* Given an array like this:
|
|
|
735 |
* $a = array(1=>array(2, 3),
|
|
|
736 |
* 2=>array(4),
|
|
|
737 |
* 3=>array(1),
|
|
|
738 |
* 4=>array())
|
|
|
739 |
* this function fully resolves the dependencies so each value will be an array of
|
|
|
740 |
* the all items this item depends on and their dependencies (and their dependencies...).
|
|
|
741 |
* It should not explode if there are circular dependencies.
|
|
|
742 |
* The dependency depth array will list the number of branches in the tree above each leaf.
|
|
|
743 |
*
|
|
|
744 |
* @param array $dependson Array to flatten
|
|
|
745 |
* @param array $dependencydepth Array of itemids => depth. Initially these should be all set to 1.
|
|
|
746 |
* @return bool|null
|
|
|
747 |
*/
|
|
|
748 |
protected static function flatten_dependencies_array(&$dependson, &$dependencydepth) {
|
|
|
749 |
// Flatten the nested dependencies - this will handle recursion bombs because it removes duplicates.
|
|
|
750 |
$somethingchanged = true;
|
|
|
751 |
// First of all, delete any incorrect (not array or individual null) dependency, they aren't welcome.
|
|
|
752 |
// TODO: Maybe we should report about this happening, it shouldn't if all dependencies are correct and consistent.
|
|
|
753 |
foreach ($dependson as $itemid => $depends) {
|
|
|
754 |
$depends = is_array($depends) ? $depends : []; // Only arrays are accepted.
|
|
|
755 |
$dependson[$itemid] = array_filter($depends, function($val) { // Only not-null values are accepted.
|
|
|
756 |
return !is_null($val);
|
|
|
757 |
});
|
|
|
758 |
}
|
|
|
759 |
while ($somethingchanged) {
|
|
|
760 |
$somethingchanged = false;
|
|
|
761 |
|
|
|
762 |
foreach ($dependson as $itemid => $depends) {
|
|
|
763 |
// Make a copy so we can tell if it changed.
|
|
|
764 |
$before = $dependson[$itemid];
|
|
|
765 |
foreach ($depends as $subitemid => $subdepends) {
|
|
|
766 |
$dependson[$itemid] = array_unique(array_merge($depends, $dependson[$subdepends] ?? []));
|
|
|
767 |
sort($dependson[$itemid], SORT_NUMERIC);
|
|
|
768 |
}
|
|
|
769 |
if ($before != $dependson[$itemid]) {
|
|
|
770 |
$somethingchanged = true;
|
|
|
771 |
if (!isset($dependencydepth[$itemid])) {
|
|
|
772 |
$dependencydepth[$itemid] = 1;
|
|
|
773 |
} else {
|
|
|
774 |
$dependencydepth[$itemid]++;
|
|
|
775 |
}
|
|
|
776 |
}
|
|
|
777 |
}
|
|
|
778 |
}
|
|
|
779 |
}
|
|
|
780 |
|
|
|
781 |
/**
|
|
|
782 |
* Return array of grade item ids that are either hidden or indirectly depend
|
|
|
783 |
* on hidden grades, excluded grades are not returned.
|
|
|
784 |
* THIS IS A REALLY BIG HACK! to be replaced by conditional aggregation of hidden grades in 2.0
|
|
|
785 |
*
|
|
|
786 |
* @param array $grade_grades all course grades of one user, & used for better internal caching
|
|
|
787 |
* @param array $grade_items array of grade items, & used for better internal caching
|
|
|
788 |
* @return array This is an array of following arrays:
|
|
|
789 |
* unknown => list of item ids that may be affected by hiding (with the ITEM ID as both the key and the value) - for BC with old gradereport plugins
|
|
|
790 |
* unknowngrades => list of item ids that may be affected by hiding (with the calculated grade as the value)
|
|
|
791 |
* altered => list of item ids that are definitely affected by hiding (with the calculated grade as the value)
|
|
|
792 |
* alteredgrademax => for each item in altered or unknown, the new value of the grademax
|
|
|
793 |
* alteredgrademin => for each item in altered or unknown, the new value of the grademin
|
|
|
794 |
* alteredgradestatus => for each item with a modified status - the value of the new status
|
|
|
795 |
* alteredgradeweight => for each item with a modified weight - the value of the new weight
|
|
|
796 |
*/
|
|
|
797 |
public static function get_hiding_affected(&$grade_grades, &$grade_items) {
|
|
|
798 |
global $CFG;
|
|
|
799 |
|
|
|
800 |
if (count($grade_grades) !== count($grade_items)) {
|
|
|
801 |
throw new \moodle_exception('invalidarraysize', 'debug', '', 'grade_grade::get_hiding_affected()!');
|
|
|
802 |
}
|
|
|
803 |
|
|
|
804 |
$dependson = array();
|
|
|
805 |
$todo = array();
|
|
|
806 |
$unknown = array(); // can not find altered
|
|
|
807 |
$altered = array(); // altered grades
|
|
|
808 |
$alteredgrademax = array(); // Altered grade max values.
|
|
|
809 |
$alteredgrademin = array(); // Altered grade min values.
|
|
|
810 |
$alteredaggregationstatus = array(); // Altered aggregation status.
|
|
|
811 |
$alteredaggregationweight = array(); // Altered aggregation weight.
|
|
|
812 |
$dependencydepth = array();
|
|
|
813 |
|
|
|
814 |
$hiddenfound = false;
|
|
|
815 |
foreach($grade_grades as $itemid=>$unused) {
|
|
|
816 |
$grade_grade =& $grade_grades[$itemid];
|
|
|
817 |
// We need the immediate dependencies of all every grade_item so we can calculate nested dependencies.
|
|
|
818 |
$dependson[$grade_grade->itemid] = $grade_items[$grade_grade->itemid]->depends_on();
|
|
|
819 |
if ($grade_grade->is_excluded()) {
|
|
|
820 |
//nothing to do, aggregation is ok
|
|
|
821 |
continue;
|
|
|
822 |
} else if ($grade_grade->is_hidden()) {
|
|
|
823 |
$hiddenfound = true;
|
|
|
824 |
$altered[$grade_grade->itemid] = null;
|
|
|
825 |
$alteredaggregationstatus[$grade_grade->itemid] = 'dropped';
|
|
|
826 |
$alteredaggregationweight[$grade_grade->itemid] = 0;
|
|
|
827 |
} else if ($grade_grade->is_overridden()) {
|
|
|
828 |
// No need to recalculate overridden grades.
|
|
|
829 |
continue;
|
|
|
830 |
} else {
|
|
|
831 |
if (!empty($dependson[$grade_grade->itemid])) {
|
|
|
832 |
$dependencydepth[$grade_grade->itemid] = 1;
|
|
|
833 |
$todo[] = $grade_grade->itemid;
|
|
|
834 |
}
|
|
|
835 |
}
|
|
|
836 |
}
|
|
|
837 |
|
|
|
838 |
// Flatten the dependency tree and count number of branches to each leaf.
|
|
|
839 |
self::flatten_dependencies_array($dependson, $dependencydepth);
|
|
|
840 |
|
|
|
841 |
if (!$hiddenfound) {
|
|
|
842 |
return array('unknown' => array(),
|
|
|
843 |
'unknowngrades' => array(),
|
|
|
844 |
'altered' => array(),
|
|
|
845 |
'alteredgrademax' => array(),
|
|
|
846 |
'alteredgrademin' => array(),
|
|
|
847 |
'alteredaggregationstatus' => array(),
|
|
|
848 |
'alteredaggregationweight' => array());
|
|
|
849 |
}
|
|
|
850 |
// This line ensures that $dependencydepth has the same number of items as $todo.
|
|
|
851 |
$dependencydepth = array_intersect_key($dependencydepth, array_flip($todo));
|
|
|
852 |
// We need to resort the todo list by the dependency depth. This guarantees we process the leaves, then the branches.
|
|
|
853 |
array_multisort($dependencydepth, $todo);
|
|
|
854 |
|
|
|
855 |
$max = count($todo);
|
|
|
856 |
$hidden_precursors = null;
|
|
|
857 |
for($i=0; $i<$max; $i++) {
|
|
|
858 |
$found = false;
|
|
|
859 |
foreach($todo as $key=>$do) {
|
|
|
860 |
$hidden_precursors = array_intersect($dependson[$do], array_keys($unknown));
|
|
|
861 |
if ($hidden_precursors) {
|
|
|
862 |
// this item depends on hidden grade indirectly
|
|
|
863 |
$unknown[$do] = $grade_grades[$do]->finalgrade;
|
|
|
864 |
unset($todo[$key]);
|
|
|
865 |
$found = true;
|
|
|
866 |
continue;
|
|
|
867 |
|
|
|
868 |
} else if (!array_intersect($dependson[$do], $todo)) {
|
|
|
869 |
$hidden_precursors = array_intersect($dependson[$do], array_keys($altered));
|
|
|
870 |
// If the dependency is a sum aggregation, we need to process it as if it had hidden items.
|
|
|
871 |
// The reason for this, is that the code will recalculate the maxgrade by removing ungraded
|
|
|
872 |
// items and accounting for 'drop x grades' and then stored back in our virtual grade_items.
|
|
|
873 |
// This recalculation is necessary because there will be a call to:
|
|
|
874 |
// $grade_category->aggregate_values_and_adjust_bounds
|
|
|
875 |
// for the top level grade that will depend on knowing what that caclulated grademax is
|
|
|
876 |
// and it finds that value by checking the virtual grade_items.
|
|
|
877 |
$issumaggregate = false;
|
|
|
878 |
if ($grade_items[$do]->itemtype == 'category') {
|
|
|
879 |
$issumaggregate = $grade_items[$do]->load_item_category()->aggregation == GRADE_AGGREGATE_SUM;
|
|
|
880 |
}
|
|
|
881 |
if (!$hidden_precursors && !$issumaggregate) {
|
|
|
882 |
unset($todo[$key]);
|
|
|
883 |
$found = true;
|
|
|
884 |
continue;
|
|
|
885 |
|
|
|
886 |
} else {
|
|
|
887 |
// depends on altered grades - we should try to recalculate if possible
|
|
|
888 |
if ($grade_items[$do]->is_calculated() or
|
|
|
889 |
(!$grade_items[$do]->is_category_item() and !$grade_items[$do]->is_course_item()) or
|
|
|
890 |
($grade_items[$do]->is_category_item() and $grade_items[$do]->is_locked())
|
|
|
891 |
) {
|
|
|
892 |
// This is a grade item that is not a category or course and has been affected by grade hiding.
|
|
|
893 |
// Or a grade item that is a category and it is locked.
|
|
|
894 |
// I guess this means it is a calculation that needs to be recalculated.
|
|
|
895 |
$unknown[$do] = $grade_grades[$do]->finalgrade;
|
|
|
896 |
unset($todo[$key]);
|
|
|
897 |
$found = true;
|
|
|
898 |
continue;
|
|
|
899 |
|
|
|
900 |
} else {
|
|
|
901 |
// This is a grade category (or course).
|
|
|
902 |
$grade_category = $grade_items[$do]->load_item_category();
|
|
|
903 |
|
|
|
904 |
// Build a new list of the grades in this category.
|
|
|
905 |
$values = array();
|
|
|
906 |
$immediatedepends = $grade_items[$do]->depends_on();
|
|
|
907 |
foreach ($immediatedepends as $itemid) {
|
|
|
908 |
if (array_key_exists($itemid, $altered)) {
|
|
|
909 |
//nulling an altered precursor
|
|
|
910 |
$values[$itemid] = $altered[$itemid];
|
|
|
911 |
if (is_null($values[$itemid])) {
|
|
|
912 |
// This means this was a hidden grade item removed from the result.
|
|
|
913 |
unset($values[$itemid]);
|
|
|
914 |
}
|
|
|
915 |
} elseif (empty($values[$itemid])) {
|
|
|
916 |
$values[$itemid] = $grade_grades[$itemid]->finalgrade;
|
|
|
917 |
}
|
|
|
918 |
}
|
|
|
919 |
|
|
|
920 |
foreach ($values as $itemid=>$value) {
|
|
|
921 |
if ($grade_grades[$itemid]->is_excluded()) {
|
|
|
922 |
unset($values[$itemid]);
|
|
|
923 |
$alteredaggregationstatus[$itemid] = 'excluded';
|
|
|
924 |
$alteredaggregationweight[$itemid] = null;
|
|
|
925 |
continue;
|
|
|
926 |
}
|
|
|
927 |
// The grade min/max may have been altered by hiding.
|
|
|
928 |
$grademin = $grade_items[$itemid]->grademin;
|
|
|
929 |
if (isset($alteredgrademin[$itemid])) {
|
|
|
930 |
$grademin = $alteredgrademin[$itemid];
|
|
|
931 |
}
|
|
|
932 |
$grademax = $grade_items[$itemid]->grademax;
|
|
|
933 |
if (isset($alteredgrademax[$itemid])) {
|
|
|
934 |
$grademax = $alteredgrademax[$itemid];
|
|
|
935 |
}
|
|
|
936 |
$values[$itemid] = grade_grade::standardise_score($value, $grademin, $grademax, 0, 1);
|
|
|
937 |
}
|
|
|
938 |
|
|
|
939 |
if ($grade_category->aggregateonlygraded) {
|
|
|
940 |
foreach ($values as $itemid=>$value) {
|
|
|
941 |
if (is_null($value)) {
|
|
|
942 |
unset($values[$itemid]);
|
|
|
943 |
$alteredaggregationstatus[$itemid] = 'novalue';
|
|
|
944 |
$alteredaggregationweight[$itemid] = null;
|
|
|
945 |
}
|
|
|
946 |
}
|
|
|
947 |
} else {
|
|
|
948 |
foreach ($values as $itemid=>$value) {
|
|
|
949 |
if (is_null($value)) {
|
|
|
950 |
$values[$itemid] = 0;
|
|
|
951 |
}
|
|
|
952 |
}
|
|
|
953 |
}
|
|
|
954 |
|
|
|
955 |
// limit and sort
|
|
|
956 |
$allvalues = $values;
|
|
|
957 |
$grade_category->apply_limit_rules($values, $grade_items);
|
|
|
958 |
|
|
|
959 |
$moredropped = array_diff($allvalues, $values);
|
|
|
960 |
foreach ($moredropped as $drop => $unused) {
|
|
|
961 |
$alteredaggregationstatus[$drop] = 'dropped';
|
|
|
962 |
$alteredaggregationweight[$drop] = null;
|
|
|
963 |
}
|
|
|
964 |
|
|
|
965 |
foreach ($values as $itemid => $val) {
|
|
|
966 |
if ($grade_category->is_extracredit_used() && ($grade_items[$itemid]->aggregationcoef > 0)) {
|
|
|
967 |
$alteredaggregationstatus[$itemid] = 'extra';
|
|
|
968 |
}
|
|
|
969 |
}
|
|
|
970 |
|
|
|
971 |
asort($values, SORT_NUMERIC);
|
|
|
972 |
|
|
|
973 |
// let's see we have still enough grades to do any statistics
|
|
|
974 |
if (count($values) == 0) {
|
|
|
975 |
// not enough attempts yet
|
|
|
976 |
$altered[$do] = null;
|
|
|
977 |
unset($todo[$key]);
|
|
|
978 |
$found = true;
|
|
|
979 |
continue;
|
|
|
980 |
}
|
|
|
981 |
|
|
|
982 |
$usedweights = array();
|
|
|
983 |
$adjustedgrade = $grade_category->aggregate_values_and_adjust_bounds($values, $grade_items, $usedweights);
|
|
|
984 |
|
|
|
985 |
// recalculate the rawgrade back to requested range
|
|
|
986 |
$finalgrade = grade_grade::standardise_score($adjustedgrade['grade'],
|
|
|
987 |
0,
|
|
|
988 |
1,
|
|
|
989 |
$adjustedgrade['grademin'],
|
|
|
990 |
$adjustedgrade['grademax']);
|
|
|
991 |
|
|
|
992 |
foreach ($usedweights as $itemid => $weight) {
|
|
|
993 |
if (!isset($alteredaggregationstatus[$itemid])) {
|
|
|
994 |
$alteredaggregationstatus[$itemid] = 'used';
|
|
|
995 |
}
|
|
|
996 |
$alteredaggregationweight[$itemid] = $weight;
|
|
|
997 |
}
|
|
|
998 |
|
|
|
999 |
$finalgrade = $grade_items[$do]->bounded_grade($finalgrade);
|
|
|
1000 |
$alteredgrademin[$do] = $adjustedgrade['grademin'];
|
|
|
1001 |
$alteredgrademax[$do] = $adjustedgrade['grademax'];
|
|
|
1002 |
// We need to muck with the "in-memory" grade_items records so
|
|
|
1003 |
// that subsequent calculations will use the adjusted grademin and grademax.
|
|
|
1004 |
$grade_items[$do]->grademin = $adjustedgrade['grademin'];
|
|
|
1005 |
$grade_items[$do]->grademax = $adjustedgrade['grademax'];
|
|
|
1006 |
|
|
|
1007 |
$altered[$do] = $finalgrade;
|
|
|
1008 |
unset($todo[$key]);
|
|
|
1009 |
$found = true;
|
|
|
1010 |
continue;
|
|
|
1011 |
}
|
|
|
1012 |
}
|
|
|
1013 |
}
|
|
|
1014 |
}
|
|
|
1015 |
if (!$found) {
|
|
|
1016 |
break;
|
|
|
1017 |
}
|
|
|
1018 |
}
|
|
|
1019 |
|
|
|
1020 |
return array('unknown' => array_combine(array_keys($unknown), array_keys($unknown)), // Left for BC in case some gradereport plugins expect it.
|
|
|
1021 |
'unknowngrades' => $unknown,
|
|
|
1022 |
'altered' => $altered,
|
|
|
1023 |
'alteredgrademax' => $alteredgrademax,
|
|
|
1024 |
'alteredgrademin' => $alteredgrademin,
|
|
|
1025 |
'alteredaggregationstatus' => $alteredaggregationstatus,
|
|
|
1026 |
'alteredaggregationweight' => $alteredaggregationweight);
|
|
|
1027 |
}
|
|
|
1028 |
|
|
|
1029 |
/**
|
|
|
1030 |
* Returns true if the grade's value is superior or equal to the grade item's gradepass value, false otherwise.
|
|
|
1031 |
*
|
|
|
1032 |
* @param grade_item $grade_item An optional grade_item of which gradepass value we can use, saves having to load the grade_grade's grade_item
|
|
|
1033 |
* @return ?bool
|
|
|
1034 |
*/
|
|
|
1035 |
public function is_passed($grade_item = null) {
|
|
|
1036 |
if (empty($grade_item)) {
|
|
|
1037 |
if (!isset($this->grade_item)) {
|
|
|
1038 |
$this->load_grade_item();
|
|
|
1039 |
}
|
|
|
1040 |
} else {
|
|
|
1041 |
$this->grade_item = $grade_item;
|
|
|
1042 |
$this->itemid = $grade_item->id;
|
|
|
1043 |
}
|
|
|
1044 |
|
|
|
1045 |
// Return null if finalgrade is null
|
|
|
1046 |
if (is_null($this->finalgrade)) {
|
|
|
1047 |
return null;
|
|
|
1048 |
}
|
|
|
1049 |
|
|
|
1050 |
// Return null if gradepass == grademin, gradepass is null, or grade item is a scale and gradepass is 0.
|
|
|
1051 |
if (is_null($this->grade_item->gradepass)) {
|
|
|
1052 |
return null;
|
|
|
1053 |
} else if ($this->grade_item->gradepass == $this->grade_item->grademin) {
|
|
|
1054 |
return null;
|
|
|
1055 |
} else if ($this->grade_item->gradetype == GRADE_TYPE_SCALE && !grade_floats_different($this->grade_item->gradepass, 0.0)) {
|
|
|
1056 |
return null;
|
|
|
1057 |
}
|
|
|
1058 |
|
|
|
1059 |
return $this->finalgrade >= $this->grade_item->gradepass;
|
|
|
1060 |
}
|
|
|
1061 |
|
|
|
1062 |
/**
|
|
|
1063 |
* In addition to update() as defined in grade_object rounds the float numbers using php function,
|
|
|
1064 |
* the reason is we need to compare the db value with computed number to skip updates if possible.
|
|
|
1065 |
*
|
|
|
1066 |
* @param string $source from where was the object inserted (mod/forum, manual, etc.)
|
|
|
1067 |
* @param bool $isbulkupdate If bulk grade update is happening.
|
|
|
1068 |
* @return bool success
|
|
|
1069 |
*/
|
|
|
1070 |
public function update($source=null, $isbulkupdate = false) {
|
|
|
1071 |
$this->rawgrade = grade_floatval($this->rawgrade);
|
|
|
1072 |
$this->finalgrade = grade_floatval($this->finalgrade);
|
|
|
1073 |
$this->rawgrademin = grade_floatval($this->rawgrademin);
|
|
|
1074 |
$this->rawgrademax = grade_floatval($this->rawgrademax);
|
|
|
1075 |
return parent::update($source, $isbulkupdate);
|
|
|
1076 |
}
|
|
|
1077 |
|
|
|
1078 |
|
|
|
1079 |
/**
|
|
|
1080 |
* Handles adding feedback files in the gradebook.
|
|
|
1081 |
*
|
|
|
1082 |
* @param int|null $historyid
|
|
|
1083 |
*/
|
|
|
1084 |
protected function add_feedback_files(int $historyid = null) {
|
|
|
1085 |
global $CFG;
|
|
|
1086 |
|
|
|
1087 |
// We only support feedback files for modules atm.
|
|
|
1088 |
if ($this->grade_item && $this->grade_item->is_external_item()) {
|
|
|
1089 |
$context = $this->get_context();
|
|
|
1090 |
$this->copy_feedback_files($context, GRADE_FEEDBACK_FILEAREA, $this->id);
|
|
|
1091 |
|
|
|
1092 |
if (empty($CFG->disablegradehistory) && $historyid) {
|
|
|
1093 |
$this->copy_feedback_files($context, GRADE_HISTORY_FEEDBACK_FILEAREA, $historyid);
|
|
|
1094 |
}
|
|
|
1095 |
}
|
|
|
1096 |
|
|
|
1097 |
return $this->id;
|
|
|
1098 |
}
|
|
|
1099 |
|
|
|
1100 |
/**
|
|
|
1101 |
* Handles updating feedback files in the gradebook.
|
|
|
1102 |
*
|
|
|
1103 |
* @param int|null $historyid
|
|
|
1104 |
*/
|
|
|
1105 |
protected function update_feedback_files(int $historyid = null) {
|
|
|
1106 |
global $CFG;
|
|
|
1107 |
|
|
|
1108 |
// We only support feedback files for modules atm.
|
|
|
1109 |
if ($this->grade_item && $this->grade_item->is_external_item()) {
|
|
|
1110 |
$context = $this->get_context();
|
|
|
1111 |
|
|
|
1112 |
$fs = new file_storage();
|
|
|
1113 |
$fs->delete_area_files($context->id, GRADE_FILE_COMPONENT, GRADE_FEEDBACK_FILEAREA, $this->id);
|
|
|
1114 |
|
|
|
1115 |
$this->copy_feedback_files($context, GRADE_FEEDBACK_FILEAREA, $this->id);
|
|
|
1116 |
|
|
|
1117 |
if (empty($CFG->disablegradehistory) && $historyid) {
|
|
|
1118 |
$this->copy_feedback_files($context, GRADE_HISTORY_FEEDBACK_FILEAREA, $historyid);
|
|
|
1119 |
}
|
|
|
1120 |
}
|
|
|
1121 |
|
|
|
1122 |
return true;
|
|
|
1123 |
}
|
|
|
1124 |
|
|
|
1125 |
/**
|
|
|
1126 |
* Handles deleting feedback files in the gradebook.
|
|
|
1127 |
*/
|
|
|
1128 |
protected function delete_feedback_files() {
|
|
|
1129 |
// We only support feedback files for modules atm.
|
|
|
1130 |
if ($this->grade_item && $this->grade_item->is_external_item()) {
|
|
|
1131 |
$context = $this->get_context();
|
|
|
1132 |
|
|
|
1133 |
$fs = new file_storage();
|
|
|
1134 |
$fs->delete_area_files($context->id, GRADE_FILE_COMPONENT, GRADE_FEEDBACK_FILEAREA, $this->id);
|
|
|
1135 |
|
|
|
1136 |
// Grade history only gets deleted when we delete the whole grade item.
|
|
|
1137 |
}
|
|
|
1138 |
|
|
|
1139 |
return true;
|
|
|
1140 |
}
|
|
|
1141 |
|
|
|
1142 |
/**
|
|
|
1143 |
* Deletes the grade_grade instance from the database.
|
|
|
1144 |
*
|
|
|
1145 |
* @param string $source The location the deletion occurred (mod/forum, manual, etc.).
|
|
|
1146 |
* @return bool Returns true if the deletion was successful, false otherwise.
|
|
|
1147 |
*/
|
|
|
1148 |
public function delete($source = null) {
|
|
|
1149 |
global $DB;
|
|
|
1150 |
try {
|
|
|
1151 |
$transaction = $DB->start_delegated_transaction();
|
|
|
1152 |
$success = parent::delete($source);
|
|
|
1153 |
// If the grade was deleted successfully trigger a grade_deleted event.
|
|
|
1154 |
if ($success && !empty($this->grade_item)) {
|
|
|
1155 |
$this->load_grade_item();
|
|
|
1156 |
\core\event\grade_deleted::create_from_grade($this)->trigger();
|
|
|
1157 |
}
|
|
|
1158 |
$transaction->allow_commit();
|
|
|
1159 |
} catch (Exception $e) {
|
|
|
1160 |
$transaction->rollback($e);
|
|
|
1161 |
}
|
|
|
1162 |
return $success;
|
|
|
1163 |
}
|
|
|
1164 |
|
|
|
1165 |
/**
|
|
|
1166 |
* Used to notify the completion system (if necessary) that a user's grade
|
|
|
1167 |
* has changed, and clear up a possible score cache.
|
|
|
1168 |
*
|
|
|
1169 |
* @param bool $deleted True if grade was actually deleted
|
|
|
1170 |
* @param bool $isbulkupdate If bulk grade update is happening.
|
|
|
1171 |
*/
|
|
|
1172 |
protected function notify_changed($deleted, $isbulkupdate = false) {
|
|
|
1173 |
global $CFG;
|
|
|
1174 |
|
|
|
1175 |
// Condition code may cache the grades for conditional availability of
|
|
|
1176 |
// modules or sections. (This code should use a hook for communication
|
|
|
1177 |
// with plugin, but hooks are not implemented at time of writing.)
|
|
|
1178 |
if (!empty($CFG->enableavailability) && class_exists('\availability_grade\callbacks')) {
|
|
|
1179 |
\availability_grade\callbacks::grade_changed($this->userid);
|
|
|
1180 |
}
|
|
|
1181 |
|
|
|
1182 |
require_once($CFG->libdir.'/completionlib.php');
|
|
|
1183 |
|
|
|
1184 |
// Bail out immediately if completion is not enabled for site (saves loading
|
|
|
1185 |
// grade item & requiring the restore stuff).
|
|
|
1186 |
if (!completion_info::is_enabled_for_site()) {
|
|
|
1187 |
return;
|
|
|
1188 |
}
|
|
|
1189 |
|
|
|
1190 |
// Ignore during restore, as completion data will be updated anyway and
|
|
|
1191 |
// doing it now will result in incorrect dates (it will say they got the
|
|
|
1192 |
// grade completion now, instead of the correct time).
|
|
|
1193 |
if (class_exists('restore_controller', false) && restore_controller::is_executing()) {
|
|
|
1194 |
return;
|
|
|
1195 |
}
|
|
|
1196 |
|
|
|
1197 |
// Load information about grade item, exit if the grade item is missing.
|
|
|
1198 |
if (!$this->load_grade_item()) {
|
|
|
1199 |
return;
|
|
|
1200 |
}
|
|
|
1201 |
|
|
|
1202 |
// Only course-modules have completion data
|
|
|
1203 |
if ($this->grade_item->itemtype!='mod') {
|
|
|
1204 |
return;
|
|
|
1205 |
}
|
|
|
1206 |
|
|
|
1207 |
// Use $COURSE if available otherwise get it via item fields
|
|
|
1208 |
$course = get_course($this->grade_item->courseid, false);
|
|
|
1209 |
|
|
|
1210 |
// Bail out if completion is not enabled for course
|
|
|
1211 |
$completion = new completion_info($course);
|
|
|
1212 |
if (!$completion->is_enabled()) {
|
|
|
1213 |
return;
|
|
|
1214 |
}
|
|
|
1215 |
|
|
|
1216 |
// Get course-module
|
|
|
1217 |
$cm = get_coursemodule_from_instance($this->grade_item->itemmodule,
|
|
|
1218 |
$this->grade_item->iteminstance, $this->grade_item->courseid);
|
|
|
1219 |
// If the course-module doesn't exist, display a warning...
|
|
|
1220 |
if (!$cm) {
|
|
|
1221 |
// ...unless the grade is being deleted in which case it's likely
|
|
|
1222 |
// that the course-module was just deleted too, so that's okay.
|
|
|
1223 |
if (!$deleted) {
|
|
|
1224 |
debugging("Couldn't find course-module for module '" .
|
|
|
1225 |
$this->grade_item->itemmodule . "', instance '" .
|
|
|
1226 |
$this->grade_item->iteminstance . "', course '" .
|
|
|
1227 |
$this->grade_item->courseid . "'");
|
|
|
1228 |
}
|
|
|
1229 |
return;
|
|
|
1230 |
}
|
|
|
1231 |
|
|
|
1232 |
// Pass information on to completion system
|
|
|
1233 |
$completion->inform_grade_changed($cm, $this->grade_item, $this, $deleted, $isbulkupdate);
|
|
|
1234 |
}
|
|
|
1235 |
|
|
|
1236 |
/**
|
|
|
1237 |
* Get some useful information about how this grade_grade is reflected in the aggregation
|
|
|
1238 |
* for the grade_category. For example this could be an extra credit item, and it could be
|
|
|
1239 |
* dropped because it's in the X lowest or highest.
|
|
|
1240 |
*
|
|
|
1241 |
* @return array(status, weight) - A keyword and a numerical weight that represents how this grade was included in the aggregation.
|
|
|
1242 |
*/
|
|
|
1243 |
function get_aggregation_hint() {
|
|
|
1244 |
return array('status' => $this->get_aggregationstatus(),
|
|
|
1245 |
'weight' => $this->get_aggregationweight());
|
|
|
1246 |
}
|
|
|
1247 |
|
|
|
1248 |
/**
|
|
|
1249 |
* Handles copying feedback files to a specified gradebook file area.
|
|
|
1250 |
*
|
|
|
1251 |
* @param context $context
|
|
|
1252 |
* @param string $filearea
|
|
|
1253 |
* @param int $itemid
|
|
|
1254 |
*/
|
|
|
1255 |
private function copy_feedback_files(context $context, string $filearea, int $itemid) {
|
|
|
1256 |
if ($this->feedbackfiles) {
|
|
|
1257 |
$filestocopycontextid = $this->feedbackfiles['contextid'];
|
|
|
1258 |
$filestocopycomponent = $this->feedbackfiles['component'];
|
|
|
1259 |
$filestocopyfilearea = $this->feedbackfiles['filearea'];
|
|
|
1260 |
$filestocopyitemid = $this->feedbackfiles['itemid'];
|
|
|
1261 |
|
|
|
1262 |
$fs = new file_storage();
|
|
|
1263 |
if ($filestocopy = $fs->get_area_files($filestocopycontextid, $filestocopycomponent, $filestocopyfilearea,
|
|
|
1264 |
$filestocopyitemid)) {
|
|
|
1265 |
foreach ($filestocopy as $filetocopy) {
|
|
|
1266 |
$destination = [
|
|
|
1267 |
'contextid' => $context->id,
|
|
|
1268 |
'component' => GRADE_FILE_COMPONENT,
|
|
|
1269 |
'filearea' => $filearea,
|
|
|
1270 |
'itemid' => $itemid
|
|
|
1271 |
];
|
|
|
1272 |
$fs->create_file_from_storedfile($destination, $filetocopy);
|
|
|
1273 |
}
|
|
|
1274 |
}
|
|
|
1275 |
}
|
|
|
1276 |
}
|
|
|
1277 |
|
|
|
1278 |
/**
|
|
|
1279 |
* Determine the correct context for this grade_grade.
|
|
|
1280 |
*
|
|
|
1281 |
* @return context
|
|
|
1282 |
*/
|
|
|
1283 |
public function get_context() {
|
|
|
1284 |
$this->load_grade_item();
|
|
|
1285 |
return $this->grade_item->get_context();
|
|
|
1286 |
}
|
|
|
1287 |
}
|