moodle_local_treestudyplan/classes/gradeinfo.php

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<?php
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// This file is part of the Studyplan plugin for Moodle
//
// 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 <https://www.gnu.org/licenses/>.
/**
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* Collect, process and display information about gradable items
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* @package local_treestudyplan
* @copyright 2023 P.M. Kuipers
* @license https://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
*/
namespace local_treestudyplan;
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defined('MOODLE_INTERNAL') || die();
require_once($CFG->libdir.'/externallib.php');
require_once($CFG->libdir.'/gradelib.php');
require_once($CFG->dirroot.'/course/lib.php');
use core_course\local\repository\caching_content_item_readonly_repository;
use core_course\local\repository\content_item_readonly_repository;
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use core_course\local\entity\content_item;
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use grade_item;
use grade_scale;
use grade_outcome;
use core_plugin_manager;
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/**
* Collect, process and display information about gradable items
*/
class gradeinfo {
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/** @var studyitem */
private $studyitem = null;
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/** @var int */
private $id;
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/** @var grade_item */
private $gradeitem;
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/** @var string */
private $icon;
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/** @var string */
private $link;
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/** @var string */
private $gradinglink;
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/** @var grade_scale*/
private $scale;
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/** @var grade_outcome*/
private $outcome;
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/** @var bool*/
private $hidden = false;
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/** @var string */
private $name;
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/** @var string */
private $typename;
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/** @var int */
private $section;
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/** @var int */
private $sectionorder;
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/** @var int */
private $cmid;
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/** @var int */
private $coursesort;
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/** @var array */
private static $contentitems = null;
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/** @var gradingscanner */
private $gradingscanner;
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/** @var array */
private static $sections = [];
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/**
* Get the sequence of activities for a given section id
* @param mixed $sectionid Id of section
* @return int[] Sequence of cms in a section
*/
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protected static function get_sectionsequence($sectionid) {
global $DB;
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if (!array_key_exists($sectionid, self::$sections)) {
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self::$sections[$sectionid] = explode(",", $DB->get_field("course_sections", "sequence", ["id" => $sectionid]));
}
return self::$sections[$sectionid];
}
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/**
* Get the grade_item
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* @return grade_item
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*/
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public function get_gradeitem(): grade_item {
return $this->gradeitem;
}
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/**
* Get the gradingscanner
* @return gradingscanner
*/
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public function get_gradingscanner(): gradingscanner {
return $this->gradingscanner;
}
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/**
* Get the grade's scale if applicable
* @return grade_scale|null
*/
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public function get_scale(): ?grade_scale {
return $this->scale;
}
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/**
* Get content items (activity icons) from the repository
* @return content_item[]
*/
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protected static function get_contentitems(): array {
global $PAGE;
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if (empty(static::$contentitems)) {
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if (empty($PAGE->context)) {
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$PAGE->set_context(\context_system::instance());
}
static::$contentitems = (new content_item_readonly_repository())->find_all();
}
return static::$contentitems;
}
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/**
* Get specific contentitem (activity icons) by name
* @param mixed $name Name of content item
* @return content_item|null
*/
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public static function get_contentitem($name): ?content_item {
$contentitems = static::get_contentitems();
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for ($i = 0; $i < count($contentitems); $i++) {
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if ($contentitems[$i]->get_name() == $name) {
return $contentitems[$i];
}
}
return null;
}
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/**
* Get a specific course context from grade item id
* @param int $id Grade item id
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* @return \context_course
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* @throws InvalidArgumentException if grade id is not found
*/
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public static function get_coursecontext_by_id($id): \context_course {
$gi = grade_item::fetch(["id" => $id]);
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if (!$gi || course_module_instance_pending_deletion($gi->courseid, $gi->itemmodule, $gi->iteminstance)) {
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throw new \InvalidArgumentException ("Grade {$id} not found in database");
}
return \context_course::instance($gi->courseid);;
}
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/**
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* Create new object around a grade_item
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* @param int $id Grade item id of the grade item to use as base
* @param studyitem|null $studyitem Studyitem containg the course that references this grade
*/
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public function __construct($id, ?studyitem $studyitem = null) {
global $DB;
$this->studyitem = $studyitem;
$gi = grade_item::fetch(["id" => $id]);
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if (!$gi || course_module_instance_pending_deletion($gi->courseid, $gi->itemmodule, $gi->iteminstance)) {
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throw new \InvalidArgumentException ("Grade {$id} not found in database");
}
$this->id = $id;
$this->gradeitem = $gi;
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// Determine the icon for the associated activity.
$contentitem = static::get_contentitem($gi->itemmodule);
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$this->icon = empty($contentitem) ? "" : $contentitem->get_icon();
$this->scale = $gi->load_scale();
$this->outcome = $gi->load_outcome();
$this->hidden = ($gi->hidden || (!empty($outcome) && $outcome->hidden)) ? true : false;
$this->name = empty($outcome) ? $gi->itemname : $outcome->name;
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// Determine a link to the associated activity.
if ($gi->itemtype != "mod" || empty($gi->itemmodule) || empty($gi->iteminstance)) {
$this->link = "";
$this->cmid = 0;
$this->section = 0;
$this->sectionorder = 0;
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} else {
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list($c, $cminfo) = get_course_and_cm_from_instance($gi->iteminstance, $gi->itemmodule);
$this->cmid = $cminfo->id;
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// Sort by position in course.
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// .
$this->section = $cminfo->sectionnum;
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$ssequence = self::get_sectionsequence($cminfo->section);
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$this->sectionorder = array_search($cminfo->id, $ssequence);
$this->name = $cminfo->get_formatted_name();
$this->link = "/mod/{$gi->itemmodule}/view.php?id={$cminfo->id}";
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if ($gi->itemmodule == 'quiz') {
$this->gradinglink = "/mod/{$gi->itemmodule}/report.php?id={$cminfo->id}&mode=grading";
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} else if ($gi->itemmodule == "assign") {
$this->gradinglink = $this->link ."&action=grading";
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} else {
$this->gradinglink = $this->link;
}
}
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$this->typename = empty($contentitem) ? $gi->itemmodule : $contentitem->get_title()->get_value();
$this->gradingscanner = new gradingscanner($gi);
$this->coursesort = $this->section * 1000 + $this->sectionorder;
}
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/**
* Check if this gradable item is selected in the studyitem
* @return bool
*/
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public function is_selected(): bool {
global $DB;
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if ($this->studyitem) {
// Check if selected for this studyitem.
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$r = $DB->get_record('local_treestudyplan_gradeinc',
['studyitem_id' => $this->studyitem->id(), 'grade_item_id' => $this->gradeitem->id]);
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if ($r && $r->include) {
return(true);
}
}
return(false);
}
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/**
* Check if this gradable item is marked required in the studyitem
* @return bool
*/
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public function is_required() {
global $DB;
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if ($this->studyitem) {
// Check if selected for this studyitem.
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$r = $DB->get_record('local_treestudyplan_gradeinc',
['studyitem_id' => $this->studyitem->id(), 'grade_item_id' => $this->gradeitem->id]);
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if ($r && $r->include && $r->required) {
return(true);
}
}
return(false);
}
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/**
* Webservice structure for editor info
* @param int $value Webservice requirement constant
*/
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/**
* Webservice structure for editor info
* @param int $value Webservice requirement constant
*/
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public static function editor_structure($value = VALUE_REQUIRED): \external_description {
return new \external_single_structure([
"id" => new \external_value(PARAM_INT, 'grade_item id'),
"cmid" => new \external_value(PARAM_INT, 'course module id'),
"name" => new \external_value(PARAM_RAW, 'grade item name'),
"typename" => new \external_value(PARAM_TEXT, 'grade item type name'),
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"outcome" => new \external_value(PARAM_BOOL, 'is outcome'),
"selected" => new \external_value(PARAM_BOOL, 'is selected for current studyitem'),
"icon" => new \external_value(PARAM_RAW, 'html for icon of related activity'),
"link" => new \external_value(PARAM_RAW, 'link to related activity'),
"gradinglink" => new \external_value(PARAM_RAW, 'link to related activity'),
"grading" => gradingscanner::structure(),
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"required" => new \external_value(PARAM_BOOL, 'is required for current studyitem'),
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], 'referenced course information', $value);
}
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/**
* Webservice model for editor info
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* @param studyitem|null $studyitem Related studyitem to check for
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* @return array Webservice data model
*/
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public function editor_model(?studyitem $studyitem = null) {
$model = [
"id" => $this->id,
"cmid" => $this->cmid,
"name" => $this->name,
"typename" => $this->typename,
"outcome" => isset($this->outcome),
"selected" => $this->is_selected(),
"icon" => $this->icon,
"link" => $this->link,
"gradinglink" => $this->gradinglink,
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"required" => $this->is_required(),
];
// Unfortunately, lazy loading of the completion data is off, since we need the data to show study item completion...
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if ($studyitem !== null
&& $this->is_selected()
&& has_capability('local/treestudyplan:viewuserreports', $studyitem->studyline()->studyplan()->context())
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&& $this->gradingscanner->is_available()) {
$model['grading'] = $this->gradingscanner->model();
}
return $model;
}
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/**
* Webservice structure for user info
* @param int $value Webservice requirement constant
*/
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/**
* Webservice structure for userinfo
* @param int $value Webservice requirement constant
*/
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public static function user_structure($value = VALUE_REQUIRED): \external_description {
return new \external_single_structure([
"id" => new \external_value(PARAM_INT, 'grade_item id'),
"cmid" => new \external_value(PARAM_INT, 'course module id'),
"name" => new \external_value(PARAM_RAW, 'grade item name'),
"typename" => new \external_value(PARAM_TEXT, 'grade item type name'),
"grade" => new \external_value(PARAM_TEXT, 'grade value'),
"gradetype" => new \external_value(PARAM_TEXT, 'grade type (completion|grade)'),
"feedback" => new \external_value(PARAM_RAW, 'html for feedback'),
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"completion" => new \external_value(PARAM_TEXT, 'completion state (incomplete|progress|completed|excellent)'),
"icon" => new \external_value(PARAM_RAW, 'html for icon of related activity'),
"link" => new \external_value(PARAM_RAW, 'link to related activity'),
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"pendingsubmission" => new \external_value(PARAM_BOOL, 'is selected for current studyitem', VALUE_OPTIONAL),
"required" => new \external_value(PARAM_BOOL, 'is required for current studyitem'),
"selected" => new \external_value(PARAM_BOOL, 'is selected for current studyitem'),
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], 'referenced course information', $value);
}
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/**
* Webservice model for user info
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* @param int $userid ID of user to check specific info for
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* @return array Webservice data model
*/
public function user_model($userid) {
global $DB;
$grade = $this->gradeitem->get_final($userid);
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// Format grade for proper display.
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if (is_object($grade)) {
$finalgrade = \grade_format_gradevalue($grade->finalgrade, $this->gradeitem, true, null, 1);
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} else {
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$finalgrade = \grade_format_gradevalue(0, $this->gradeitem, true, null, 1);
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}
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// Retrieve the aggregator and determine completion.
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if (!isset($this->studyitem)) {
throw new \UnexpectedValueException("Study item not set (null) for gradeinfo in report mode");
}
$aggregator = $this->studyitem->studyline()->studyplan()->aggregator();
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$completion = $aggregator->grade_completion($this, $userid);
$model = [
"id" => $this->id,
"cmid" => $this->cmid,
"name" => $this->name,
"typename" => $this->typename,
"grade" => $finalgrade,
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"gradetype" => isset($this->scale) ? "completion" : "grade",
"feedback" => empty($grade) ? null : $grade->feedback,
"completion" => completion::label($completion),
"icon" => $this->icon,
"link" => $this->link,
"pendingsubmission" => $this->gradingscanner->pending($userid),
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"required" => $this->is_required(),
"selected" => $this->is_selected(),
];
return $model;
}
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/**
* Export essential information for export
* @return array information model
*/
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public function export_model(): array {
return [
"name" => $this->name,
"type" => $this->gradeitem->itemmodule,
"selected" => $this->is_selected(),
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"required" => $this->is_required(),
];
}
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/**
* Import data from exported model into database
* @param studyitem $item Studyitem related to this gradable
* @param array $model Model data previously exported
*/
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public static function import(studyitem $item, array $model) {
if ($item->type() == studyitem::COURSE) {
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$courseid = $item->courseid();
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$gradeitems = grade_item::fetch_all(['itemtype' => 'mod', 'courseid' => $courseid]);
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foreach ($gradeitems as $gi) {
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$giname = empty($outcome) ? $gi->itemname : $outcome->name;
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$gitype = $gi->itemmodule;
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if ($giname == $model["name"] && $gitype == $model["type"]) {
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// We have a match.
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if (!isset($model["selected"])) {
$model["selected"] = true;
}
if (!isset($model["required"])) {
$model["required"] = false;
}
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if ($model["selected"] || $model["required"]) {
static::include_grade($gi->id, $item->id(), $model["selected"], $model["required"]);
}
}
}
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}
}
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/**
* Get a list if all gradable activities in a given course
* @param \stdClass $course Course database record
* @param studyitem|null $studyitem Studyitem linked to the course which can be linked to created gradeinfo objects
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* @return gradeinfo[] Array of gradeinfo
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*/
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public static function list_course_gradables($course, ?studyitem $studyitem = null): array {
$list = [];
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if (method_exists("\course_modinfo", "get_array_of_activities")) {
$activities = \course_modinfo::get_array_of_activities($course);
} else {
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// Deprecated in Moodle 4.0+, but not yet available in Moodle 3.11.
$activities = get_array_of_activities($course->id);
}
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foreach ($activities as $act) {
if ($act->visible) {
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$gradeitems = grade_item::fetch_all(['itemtype' => 'mod',
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'itemmodule' => $act->mod,
'iteminstance' => $act->id,
'courseid' => $course->id]);
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if (!empty($gradeitems)) {
foreach ($gradeitems as $gi) {
if (($gi->gradetype == GRADE_TYPE_VALUE || $gi->gradetype == GRADE_TYPE_SCALE)) {
try {
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$gradable = new static($gi->id, $studyitem);
$list[] = $gradable;
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} catch (\InvalidArgumentException $x) {
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// Pass and do not add to the list if an error occurs.
$gradable = null; // Clean up gradable variable.
}
}
}
}
}
}
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usort($list, function($a, $b) {
$course = $a->coursesort <=> $b->coursesort;
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return ($course != 0) ? $course : $a->gradeitem->sortorder <=> $b->gradeitem->sortorder;
});
return $list;
}
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/**
* List all gradables enabled for a given study item
* @param studyitem $studyitem The studyitem to search for
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* @return gradeinfo[] Array of gradeinfo
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*/
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public static function list_studyitem_gradables(studyitem $studyitem): array {
global $DB;
$table = 'local_treestudyplan_gradeinc';
$list = [];
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$records = $DB->get_records($table, ['studyitem_id' => $studyitem->id()]);
foreach ($records as $r) {
if (isset($r->grade_item_id)) {
try {
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if ($r->include || $r->required) {
$list[] = new static($r->grade_item_id, $studyitem);
}
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} catch (\InvalidArgumentException $x) {
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// On InvalidArgumentException, the grade_item id can no longer be found.
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// Remove the link to avoid database record hogging.
$DB->delete_records($table, ['id' => $r->id]);
}
}
}
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usort($list, function($a, $b) {
$course = $a->coursesort <=> $b->coursesort;
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return ($course != 0) ? $course : $a->gradeitem->sortorder <=> $b->gradeitem->sortorder;
});
return $list;
}
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/**
* Webservice executor to include grade with studyitem or not.
* if both $inclue and $required are false, any existing DB record will be removed
* @param int $gradeid ID of the grade_item
* @param int $itemid ID of the study item
* @param bool $include Select grade_item for studyitem or not
* @param bool $required Mark grade_item as required or not
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* @return success Always returns successful success object
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*/
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public static function include_grade(int $gradeid, int $itemid, bool $include, bool $required = false) {
global $DB;
$table = 'local_treestudyplan_gradeinc';
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if ($include) {
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// Make sure a record exits.
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$r = $DB->get_record($table, ['studyitem_id' => $itemid, 'grade_item_id' => $gradeid]);
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if ($r) {
$r->include = 1;
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$r->required = boolval($required) ? 1 : 0;
$id = $DB->update_record($table, $r);
} else {
$DB->insert_record($table, [
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'studyitem_id' => $itemid,
'grade_item_id' => $gradeid,
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'include' => 1,
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'required' => boolval($required) ? 1 : 0 ]
);
}
} else {
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// Remove if it should not be included.
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$r = $DB->get_record($table, ['studyitem_id' => $itemid, 'grade_item_id' => $gradeid]);
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if ($r) {
$DB->delete_records($table, ['id' => $r->id]);
}
}
return success::success();
}
}