692 lines
No EOL
24 KiB
PHP
692 lines
No EOL
24 KiB
PHP
<?php
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namespace local_treestudyplan;
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require_once($CFG->libdir.'/externallib.php');
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class studyplan {
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const TABLE = "local_treestudyplan";
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private static $STUDYPLAN_CACHE = [];
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private $r; // Holds database record
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private $id;
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private $aggregator;
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private $context = null; // Hold context object once retrieved
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private $linked_userids = null; // cache lookup of linked users (saves queries)
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private $page_cache = null;
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public function aggregator(){
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return $this->aggregator;
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}
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// Cache constructors to avoid multiple creation events in one session.
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public static function findById($id): self {
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if(!array_key_exists($id,self::$STUDYPLAN_CACHE)){
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self::$STUDYPLAN_CACHE[$id] = new self($id);
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}
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return self::$STUDYPLAN_CACHE[$id];
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}
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private function __construct($id) {
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global $DB;
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$this->id = $id;
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$this->r = $DB->get_record(self::TABLE,['id' => $id]);
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$this->aggregator = aggregator::createOrDefault($this->r->aggregation, $this->r->aggregation_config);
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}
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public function id(){
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return $this->id;
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}
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public function shortname(){
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return $this->r->shortname;
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}
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public function name(){
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return $this->r->name;
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}
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public function pages(){
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// cached version of find_studyplan_children.
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// (may be premature optimization, since
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// find_studyplan_children also does some caching)
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if(empty($this->page_cache)){
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$this->page_cache = studyplanpage::find_studyplan_children($this);
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}
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return $this->page_cache;
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}
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/**
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* Return the context this studyplan is associated to
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*/
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public function context(): \context{
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if(!isset($this->context)){
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try{
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$this->context = contextinfo::by_id($this->r->context_id)->context;
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}
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catch(\dml_missing_record_exception $x){
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throw new \InvalidArgumentException("Context {$this->r->context_id} not available"); // Just throw it up again. catch is included here to make sure we know it throws this exception
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}
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}
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return $this->context;
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}
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public static function simple_structure($value=VALUE_REQUIRED){
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return new \external_single_structure([
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"id" => new \external_value(PARAM_INT, 'id of studyplan'),
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"name" => new \external_value(PARAM_TEXT, 'name of studyplan'),
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"shortname"=> new \external_value(PARAM_TEXT, 'shortname of studyplan'),
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"idnumber" => new \external_value(PARAM_TEXT, 'idnumber of curriculum'),
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"context_id" => new \external_value(PARAM_INT, 'context_id of studyplan'),
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"description"=> new \external_value(PARAM_TEXT, 'description of studyplan'),
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"aggregation" => new \external_value(PARAM_TEXT, 'selected aggregator'),
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"aggregation_config" => new \external_value(PARAM_TEXT, 'config string for aggregator'),
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"aggregation_info" => aggregator::basic_structure(),
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"pages" => new \external_multiple_structure(studyplanpage::simple_structure(),'pages'),
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],'Basic studyplan info',$value);
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}
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public function simple_model(){
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$pages = [];
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foreach($this->pages() as $p){
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$pages[] = $p->simple_model();
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}
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return [
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'id' => $this->r->id,
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'name' => $this->r->name,
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'shortname' => $this->r->shortname,
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'idnumber' => $this->r->idnumber,
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'context_id' => $this->context()->id,
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'description' => $this->r->description,
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'aggregation' => $this->r->aggregation,
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'aggregation_config' => $this->aggregator->config_string(),
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'aggregation_info' => $this->aggregator->basic_model(),
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'pages' => $pages,
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];
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}
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public static function editor_structure($value=VALUE_REQUIRED){
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return new \external_single_structure([
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"id" => new \external_value(PARAM_INT, 'id of studyplan'),
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"name" => new \external_value(PARAM_TEXT, 'name of studyplan'),
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"shortname"=> new \external_value(PARAM_TEXT, 'shortname of studyplan'),
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"idnumber" => new \external_value(PARAM_TEXT, 'idnumber of curriculum'),
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"description"=> new \external_value(PARAM_TEXT, 'description of studyplan'),
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"context_id" => new \external_value(PARAM_INT, 'context_id of studyplan'),
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"aggregation" => new \external_value(PARAM_TEXT, 'selected aggregator'),
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"aggregation_config" => new \external_value(PARAM_TEXT, 'config string for aggregator'),
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"aggregation_info" => aggregator::basic_structure(),
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"pages" => new \external_multiple_structure(studyplanpage::editor_structure()),
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"advanced" => new \external_single_structure([
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"force_scales" => new \external_single_structure([
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"scales" => new \external_multiple_structure(new \external_single_structure([
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"id" => new \external_value(PARAM_INT, 'id of scale'),
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"name" => new \external_value(PARAM_TEXT, 'name of scale'),
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])),
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],"Scale forcing on stuff", VALUE_OPTIONAL),
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],"Advanced features available", VALUE_OPTIONAL),
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],'Studyplan full structure',$value);
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}
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public function editor_model(){
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global $DB;
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$model = [
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'id' => $this->r->id,
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'name' => $this->r->name,
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'shortname' => $this->r->shortname,
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'idnumber' => $this->r->idnumber,
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'description' => $this->r->description,
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'context_id' => $this->context()->id,
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"aggregation" => $this->r->aggregation,
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"aggregation_config" => $this->aggregator->config_string(),
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'aggregation_info' => $this->aggregator->basic_model(),
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'pages' => [],
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];
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foreach($this->pages() as $p)
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{
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$model['pages'][] = $p->editor_model();
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}
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if(has_capability('local/treestudyplan:forcescales', \context_system::instance())){
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if(!array_key_exists('advanced',$model)){
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// Create advanced node if it does not exist
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$model['advanced'] = [];
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}
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// get a list of available scales
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$scales = array_map( function($scale){
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return [ "id" => $scale->id, "name" => $scale->name,];
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}, \grade_scale::fetch_all(array('courseid'=>0)) ) ;
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$model['advanced']['force_scales'] = [
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'scales' => $scales,
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];
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}
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return $model;
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}
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public static function add($fields,$bare=false){
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global $CFG, $DB;
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$addable = ['name','shortname','description','idnumber','context_id','aggregation','aggregation_config'];
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$info = ['enddate' => null ];
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foreach($addable as $f){
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if(array_key_exists($f,$fields)){
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$info[$f] = $fields[$f];
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}
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}
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$id = $DB->insert_record(self::TABLE, $info);
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$plan = self::findById($id); // make sure the new studyplan is immediately cached
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// Start temporary skräpp code
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// Add a single page and copy the names.This keeps the data sane until the upgrade to
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// real page management is done
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// On import, adding an empty page messes things up for now, so we have an option to skip this....
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// TODO: Remove this when proper page management is implemented
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if(!$bare){
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$pageaddable = ['name','shortname','description','periods','startdate','enddate'];
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$pageinfo = ['studyplan_id' => $id];
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foreach($pageaddable as $f){
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if(array_key_exists($f,$fields)){
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if($f == "name"){
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$pageinfo["fullname"] = $fields[$f];
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} else {
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$pageinfo[$f] = $fields[$f];
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}
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}
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}
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$page = studyplanpage::add($pageinfo);
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$plan->page_cache = [$page];
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}
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// End temporary skräpp code
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return $plan;
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}
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public function edit($fields){
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global $DB;
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$editable = ['name','shortname','description','idnumber','context_id','aggregation','aggregation_config'];
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$info = ['id' => $this->id,];
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foreach($editable as $f){
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if(array_key_exists($f,$fields)){
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$info[$f] = $fields[$f];
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}
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}
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$DB->update_record(self::TABLE, $info);
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//reload record after edit
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$this->r = $DB->get_record(self::TABLE,['id' => $this->id],"*",MUST_EXIST);
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//reload the context...
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$this->context = null;
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$this->context();
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// reload aggregator
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$this->aggregator = aggregator::createOrDefault($this->r->aggregation, $this->r->aggregation_config);
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// Start temporary skräpp code
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// TODO: Until proper page editing is implemented, copy data from studyplan to it's first page
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// This keeps the data sane until the upgrade is done.
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if(count($this->pages()) == 1){
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// update the info to the page as well
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$page = $this->pages()[0];
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$pageeditable = ['name','shortname','description','periods','startdate','enddate'];
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$pageinfo = [];
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foreach($pageeditable as $f){
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if(array_key_exists($f,$fields)){
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if($f == "name"){
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$pageinfo["fullname"] = $fields[$f];
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}else {
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$pageinfo[$f] = $fields[$f];
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}
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}
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}
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$page->edit($pageinfo);
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}
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// End temporary skräpp code
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return $this;
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}
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public function delete($force=false){
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global $DB;
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if($force){
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$children = studyplanpage::find_studyplan_children($this);
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foreach($children as $c){
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$c->delete($force);
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}
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}
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if($DB->count_records('local_treestudyplan_page',['studyplan_id' => $this->id]) > 0){
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return success::fail('cannot delete studyplan that still has pages');
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}
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else
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{
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$DB->delete_records('local_treestudyplan', ['id' => $this->id]);
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return success::success();
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}
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}
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public static function find_all($contextid=-1){
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global $DB, $USER;
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$list = [];
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if($contextid <= 0){
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$ids = $DB->get_fieldset_select(self::TABLE,"id","");
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}
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else{
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if($contextid == 1){
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$contextid = 1;
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$where = "context_id <= :contextid OR context_id IS NULL";
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} else {
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$where = "context_id = :contextid";
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}
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$ids = $DB->get_fieldset_select(self::TABLE,"id",$where,["contextid" => $contextid]);
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}
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foreach($ids as $id)
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{
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$list[] = studyplan::findById($id);
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}
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return $list;
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}
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public static function find_by_shortname($shortname, $contextid = 0): array{
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global $DB;
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$list = [];
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$where = "shortname = :shortname AND context_id = :contextid";
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if($contextid == 0){
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$where .= "OR context_id IS NULL";
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}
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$ids = $DB->get_fieldset_select(self::TABLE,"id",$where,["shortname"=>$shortname, "contextid" => $contextid]);
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foreach($ids as $id)
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{
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$list[] = studyplan::findById($id);
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}
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return $list;
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}
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public static function find_for_user($userid)
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{
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global $DB;
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$sql = "SELECT s.id FROM {local_treestudyplan} s
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INNER JOIN {local_treestudyplan_cohort} j ON j.studyplan_id = s.id
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INNER JOIN {cohort_members} cm ON j.cohort_id = cm.cohortid
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WHERE cm.userid = :userid";
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$cohort_plan_ids = $DB->get_fieldset_sql($sql, ['userid' => $userid]);
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$sql = "SELECT s.id FROM {local_treestudyplan} s
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INNER JOIN {local_treestudyplan_user} j ON j.studyplan_id = s.id
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WHERE j.user_id = :userid";
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$user_plan_ids = $DB->get_fieldset_sql($sql, ['userid' => $userid]);
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$plans = [];
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foreach($cohort_plan_ids as $id) {
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$plans[$id] = self::findById($id);
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}
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foreach($user_plan_ids as $id) {
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if(!array_key_exists($id,$plans)){
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$plans[$id] = self::findById($id);
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}
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}
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return $plans;
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}
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static public function exist_for_user($userid)
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{
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global $DB;
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$count = 0;
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$sql = "SELECT s.* FROM {local_treestudyplan} s
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INNER JOIN {local_treestudyplan_cohort} j ON j.studyplan_id = s.id
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INNER JOIN {cohort_members} cm ON j.cohort_id = cm.cohortid
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WHERE cm.userid = :userid";
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$count += $DB->count_records_sql($sql, ['userid' => $userid]);
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$sql = "SELECT s.* FROM {local_treestudyplan} s
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INNER JOIN {local_treestudyplan_user} j ON j.studyplan_id = s.id
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WHERE j.user_id = :userid";
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$count += $DB->count_records_sql($sql, ['userid' => $userid]);
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return ($count > 0);
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}
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/**
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* Retrieve the users linked to this studyplan.
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* @return array of User objects
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*/
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public function find_linked_users(){
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global $DB;
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$users = [];
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$uids = $this->find_linked_userids();
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foreach($uids as $uid){
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$users[] = $DB->get_record("user",["id"=>$uid]);
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}
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return $users;
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}
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/**
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* Retrieve the user id's of the users linked to this studyplan.
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* @return array of int (User Id)
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*/
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public function find_linked_userids(): array {
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global $DB;
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if($this->linked_userids === null){
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$uids = [];
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// First get directly linked userids
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$sql = "SELECT j.user_id FROM {local_treestudyplan_user} j
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WHERE j.studyplan_id = :planid";
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$ulist = $DB->get_fieldset_sql($sql, ['planid' => $this->id]);
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$uids = array_merge($uids,$ulist);
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foreach($ulist as $uid){
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$users[] = $DB->get_record("user",["id"=>$uid]);
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}
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// Next het users linked though cohort
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$sql = "SELECT cm.userid FROM {local_treestudyplan_cohort} j
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INNER JOIN {cohort_members} cm ON j.cohort_id = cm.cohortid
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WHERE j.studyplan_id = :planid";
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$ulist = $DB->get_fieldset_sql($sql, ['planid' => $this->id]);
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$uids = array_merge($uids,$ulist);
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$this->linked_userids = array_unique($uids);
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}
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return $this->linked_userids;
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}
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/** Check if this studyplan is linked to a particular user
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* @param bool|stdClass $user The userid or user record of the user
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*/
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public function has_linked_user($user){
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if(is_int($user)){
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$userid = $user;
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} else {
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$userid = $user->id;
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}
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$uids = $this->find_linked_userids();
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if(in_array($userid,$uids)){
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return true;
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} else {
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return false;
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}
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}
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public static function user_structure($value=VALUE_REQUIRED){
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return new \external_single_structure([
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"id" => new \external_value(PARAM_INT, 'id of studyplan'),
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"name" => new \external_value(PARAM_TEXT, 'name of studyplan'),
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"shortname"=> new \external_value(PARAM_TEXT, 'shortname of studyplan'),
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"description"=> new \external_value(PARAM_TEXT, 'description of studyplan'),
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"idnumber"=> new \external_value(PARAM_TEXT, 'idnumber of curriculum'),
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"pages" => new \external_multiple_structure(studyplanpage::user_structure()),
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"aggregation_info" => aggregator::basic_structure(),
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],'Studyplan with user info',$value);
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}
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public function user_model($userid){
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$model = [
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'id' => $this->r->id,
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'name' => $this->r->name,
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'shortname' => $this->r->shortname,
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'description' => $this->r->description,
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'idnumber' => $this->r->idnumber,
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'pages' => [],
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'aggregation_info' => $this->aggregator->basic_model(),
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];
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foreach($this->pages() as $p)
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{
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$model['pages'][] = $p->user_model($userid);
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}
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return $model;
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}
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public static function duplicate_plan($plan_id,$name,$shortname)
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{
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$ori = self::findById($plan_id);
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$new = $ori->duplicate($name,$shortname);
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return $new->simple_model();
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}
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public function duplicate($name,$shortname)
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{
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// First duplicate the studyplan structure
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$newplan =studyplan::add([
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'name' => $name,
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'shortname' => $shortname,
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'description' => $this->r->description,
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]);
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// next, copy the studylines
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foreach($this->pages() as $p){
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$newchild = $p->duplicate($newplan);
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}
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return $newplan;
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}
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public static function export_structure()
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{
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return new \external_single_structure([
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"format" => new \external_value(PARAM_TEXT, 'format of studyplan export'),
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"content"=> new \external_value(PARAM_TEXT, 'exported studyplan content'),
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],'Exported studyplan');
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}
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public function export_plan()
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{
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$model = $this->export_model();
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$json = json_encode([
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"type"=>"studyplan",
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"version"=>2.0,
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"studyplan"=>$model
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],\JSON_PRETTY_PRINT);
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return [ "format" => "application/json", "content" => $json];
|
|
}
|
|
|
|
public function export_model()
|
|
{
|
|
$model = [
|
|
'name' => $this->r->name,
|
|
'shortname' => $this->r->shortname,
|
|
'description' => $this->r->description,
|
|
"aggregation" => $this->r->aggregation,
|
|
"aggregation_config" => json_decode($this->aggregator->config_string()),
|
|
'aggregation_info' => $this->aggregator->basic_model(),
|
|
'pages' => $this->export_pages_model(),
|
|
];
|
|
return $model;
|
|
}
|
|
|
|
public function export_pages_model()
|
|
{
|
|
$pages = [];
|
|
foreach($this->pages() as $p)
|
|
{
|
|
$pages[] = $p->export_model();
|
|
}
|
|
return $pages;
|
|
}
|
|
|
|
public static function import_studyplan($content,$format="application/json",$context_id=1)
|
|
{
|
|
if($format != "application/json") { return false;}
|
|
|
|
$content = json_decode($content,true);
|
|
if($content["type"] == "studyplan" && $content["version"] >= 2.0){
|
|
|
|
// Make sure the aggregation_config is re-encoded as json text
|
|
$content["studyplan"]["aggregation_config"] = json_encode($content["studyplan"]["aggregation_config"]);
|
|
|
|
// And make sure the context_id is set to the provided context for import
|
|
$content["studyplan"]["context_id"] = $context_id;
|
|
|
|
// Create a new plan, based on the given parameters - this is the import studyplan part
|
|
$plan = self::add($content["studyplan"],true);
|
|
// Now import each page
|
|
return $plan->import_pages_model($content["studyplan"]["pages"]);
|
|
|
|
}
|
|
else {
|
|
error_log("Invalid format and type: {$content['type']} version {$content['version']}");
|
|
return false;
|
|
}
|
|
}
|
|
|
|
public function import_pages($content,$format="application/json")
|
|
{
|
|
if($format != "application/json") { return false;}
|
|
$content = json_decode($content,true);
|
|
if($content["version"] >= 2.0){
|
|
if($content["type"] == "studyplanpage"){
|
|
// import single page from a studyplanpage (wrapped in array of one page)
|
|
return $this->import_pages_model([$content["page"]]);
|
|
}
|
|
else if($content["type"] == "studyplan"){
|
|
// Import all pages from the studyplan
|
|
return $this->import_pages_model($content["studyplan"]["pages"]);
|
|
}
|
|
}
|
|
else {
|
|
return false;
|
|
}
|
|
}
|
|
|
|
protected function import_pages_model($model)
|
|
{
|
|
$this->pages(); // make sure the page cache is initialized, since we will be adding to it.
|
|
foreach($model as $p){
|
|
$p["studyplan_id"] = $this->id();
|
|
$page = studyplanpage::add($p);
|
|
$this->page_cache[] = $page;
|
|
$page->import_periods_model($p["perioddesc"]);
|
|
$page->import_studylines_model($p["studylines"]);
|
|
}
|
|
return true;
|
|
}
|
|
|
|
/**
|
|
* Mark the studyplan as changed regarding courses and associated cohorts
|
|
*/
|
|
public function mark_csync_changed(){
|
|
global $DB;
|
|
$DB->update_record(self::TABLE, ['id' => $this->id,"csync_flag" => 1]);
|
|
$this->r->csync_flag = 1; //manually set it in the cache, if something unexpected happened, an exception has already been thrown anyway
|
|
}
|
|
|
|
/**
|
|
* Clear the csync mark
|
|
*/
|
|
public function clear_csync_changed(){
|
|
global $DB;
|
|
$DB->update_record(self::TABLE, ['id' => $this->id,"csync_flag" => 0]);
|
|
$this->r->csync_flag = 0; //manually set it in the cache, if something unexpected happened, an exception has already been thrown anyway
|
|
}
|
|
|
|
public function has_csync_changed(){
|
|
return ($this->r->csync_flag > 0)?true:false;
|
|
}
|
|
|
|
/**
|
|
* See if the specified course id is linked in this studyplan
|
|
*/
|
|
public function course_linked($courseid){
|
|
global $DB;
|
|
|
|
$sql = "SELECT COUNT(i.id)
|
|
FROM {local_treestudyplan}
|
|
INNER JOIN {local_treestudyplan_line} l ON p.id = l.studyplan_id
|
|
INNER JOIN {local_treestudyplan_item} i ON l.id = i.line_id
|
|
WHERE p.id = :planid
|
|
AND i.course_id = :courseid";
|
|
$count = $DB->get_field_sql($sql,["courseid" => $courseid, "planid" => $this->id]);
|
|
|
|
return ($count > 0)?true:false;
|
|
}
|
|
|
|
/**
|
|
* List the course id is linked in this studyplan
|
|
* Used for cohort enrolment cascading
|
|
*/
|
|
public function get_linked_course_ids(){
|
|
global $DB;
|
|
|
|
$sql = "SELECT i.course_id
|
|
FROM {local_treestudyplan} p
|
|
INNER JOIN {local_treestudyplan_page} pg ON p.id = pg.studyplan_id
|
|
INNER JOIN {local_treestudyplan_line} l ON pg.id = l.page_id
|
|
INNER JOIN {local_treestudyplan_item} i ON l.id = i.line_id
|
|
WHERE p.id = :studyplan_id AND i.type = :itemtype";
|
|
$fields = $DB->get_fieldset_sql($sql,["studyplan_id" => $this->id,"itemtype" => studyitem::COURSE]);
|
|
|
|
return $fields;
|
|
}
|
|
|
|
/**
|
|
* List the cohort id's associated with this studyplan
|
|
*/
|
|
public function get_linked_cohort_ids(){
|
|
global $CFG, $DB;
|
|
|
|
$sql = "SELECT DISTINCT j.cohort_id FROM {local_treestudyplan_cohort} j
|
|
WHERE j.studyplan_id = :studyplan_id";
|
|
$fields = $DB->get_fieldset_sql($sql, ['studyplan_id' => $this->id]);
|
|
return $fields;
|
|
}
|
|
|
|
/**
|
|
* List the user id's explicitly associated with this studyplan
|
|
*/
|
|
public function get_linked_user_ids(){
|
|
global $CFG, $DB;
|
|
|
|
$sql = "SELECT DISTINCT j.user_id FROM {local_treestudyplan_user} j
|
|
WHERE j.studyplan_id = :studyplan_id";
|
|
$fields = $DB->get_fieldset_sql($sql, ['studyplan_id' => $this->id]);
|
|
return $fields;
|
|
}
|
|
/**
|
|
* See if the specified course id is linked in this studyplan
|
|
*/
|
|
public function badge_linked($badgeid){
|
|
global $DB;
|
|
|
|
$sql = "SELECT COUNT(i.id)
|
|
FROM {local_treestudyplan}
|
|
INNER JOIN {local_treestudyplan_line} l ON p.id = l.studyplan_id
|
|
INNER JOIN {local_treestudyplan_item} i ON l.id = i.line_id
|
|
WHERE p.id = :planid
|
|
AND i.badge_id = :badgeid";
|
|
$count = $DB->get_field_sql($sql,["badgeid" => $badgeid, "planid" => $this->id]);
|
|
|
|
return ($count > 0)?true:false;
|
|
}
|
|
|
|
|
|
|
|
|
|
} |