120 lines
No EOL
4.1 KiB
PHP
120 lines
No EOL
4.1 KiB
PHP
<?php
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namespace local_treestudyplan;
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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 $mod_supported = [];
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public static function supported($mod){
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if(!array_key_exists($mod,self::$mod_supported)){
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self::$mod_supported[$mod] = class_exists(self::aggregator_name($mod));
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}
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return self::$mod_supported[$mod];
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}
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private static function aggregator_name($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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$ag_class = self::aggregator_name($mod);
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return new $ag_class($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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}
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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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public abstract function needSelectGradables();
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public abstract function isDeprecated();
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public abstract function aggregate_course(courseinfo $courseinfo, studyitem $studyitem, $userid);
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public abstract function aggregate_junction(array $completion, studyitem $studyitem, $userid);
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public abstract function grade_completion(gradeinfo $gradeinfo, $userid);
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// Aggregation method makes use of "required grades" in a course/module
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public abstract function useRequiredGrades();
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// Aggregation method makes use of
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public abstract function useItemConditions();
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// Whether the aggregation method uses core_completion, or treestudyplan custom completion
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public function usecorecompletioninfo(){
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return false;
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}
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// Parameter editing functions - override in child class to implement parameter config for aggregation
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// Return the current configuration string
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public function config_string() {
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return "";
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}
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public static function basic_structure($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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} |