140 lines
4.9 KiB
PHP
140 lines
4.9 KiB
PHP
<?php
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// This file is part of the Studyplan plugin for Moodle
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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 <https://www.gnu.org/licenses/>.
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/**
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*
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* @package local_treestudyplan
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* @copyright 2023 P.M. Kuipers
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* @license https://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
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*/
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namespace local_treestudyplan;
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defined('MOODLE_INTERNAL') || die();
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require_once($CFG->libdir.'/externallib.php');
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abstract class aggregator {
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private const FALLBACK = "bistate";
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private static $modsupported = [];
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public static function supported($mod) {
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if (!array_key_exists($mod, self::$modsupported)) {
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self::$modsupported[$mod] = class_exists(self::aggregator_name($mod));
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}
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return self::$modsupported[$mod];
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}
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private static function aggregator_name($mod) {
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return "\local_treestudyplan\\local\\aggregators\\{$mod}_aggregator";
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}
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public static function list() {
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// Static list, since we'd need to implement a lot of static data for new aggregation methods anyway.
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// And this is faster than any dynamic method.
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return [
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"core", // Use moodle core completion.
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"bistate",
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"tristate", // Deprecated.
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];
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}
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public static function create($mod, $configstr) {
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if (self::supported($mod)) {
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$agclass = self::aggregator_name($mod);
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return new $agclass($configstr);
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} else {
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throw new \InvalidArgumentException("Cannot find aggregator '{$mod}'");
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}
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}
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public static function createOrDefault($mod, $configstr) {
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try {
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return self::create($mod, $configstr);
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} catch (\ValueError $x) {
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return self::create(self::FALLBACK, "");
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}
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}
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private function __construct($configstr) {
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$this->initialize($configstr);
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}
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protected function initialize($configstr) {
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}
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abstract public function needSelectGradables();
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abstract public function isDeprecated();
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abstract public function aggregate_course(courseinfo $courseinfo, studyitem $studyitem, $userid);
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abstract public function aggregate_junction(array $completion, studyitem $studyitem, $userid);
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abstract public function grade_completion(gradeinfo $gradeinfo, $userid);
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// Aggregation method makes use of "required grades" in a course/module.
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abstract public function useRequiredGrades();
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// Aggregation method makes use of .
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abstract public function useItemConditions();
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// Whether the aggregation method uses core_completion, or treestudyplan custom completion.
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public function usecorecompletioninfo() {
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return false;
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}
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// Parameter editing functions - override in child class to implement parameter config for aggregation.
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// Return the current configuration string.
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public function config_string() {
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return "";
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}
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public static function basic_structure($value=VALUE_REQUIRED) {
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return new \external_single_structure([
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"useRequiredGrades" => new \external_value(PARAM_BOOL, 'id of studyplan'),
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"useItemConditions" => new \external_value(PARAM_BOOL, 'name of studyplan'),
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], "Aggregator requirements", $value);
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}
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public function basic_model() {
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return [
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"useRequiredGrades" => $this->useRequiredGrades(),
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"useItemConditions" => $this->useItemConditions(),
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];
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}
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public static function list_structure($value=VALUE_REQUIRED) {
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return new \external_multiple_structure(new \external_single_structure([
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"id" => new \external_value(PARAM_TEXT, 'id of aggregator'),
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"name" => new \external_value(PARAM_TEXT, 'name of agregator'),
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"deprecated" => new \external_value(PARAM_BOOL, 'if method is deprecated'),
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"defaultconfig" => new \external_value(PARAM_TEXT, 'default config of agregator'),
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], "Available aggregators", $value));
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}
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public static function list_model() {
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$list = [];
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foreach (self::list() as $agid) {
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$a = self::create($agid, ""); // Create new one with empty config string.
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$list[] = [
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'id' => $agid,
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'name' => get_string("{$agid}_aggregator_title", "local_treestudyplan"),
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'deprecated' => $a->isDeprecated(),
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'defaultconfig' => $a->config_string(),
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];
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}
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return $list;
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}
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}
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