457 lines
No EOL
16 KiB
PHP
457 lines
No EOL
16 KiB
PHP
<?php
|
|
namespace local_treestudyplan;
|
|
|
|
require_once($CFG->libdir.'/externallib.php');
|
|
|
|
class studyplanpage {
|
|
|
|
|
|
const TABLE = "local_treestudyplan_page";
|
|
private static $CACHE = [];
|
|
|
|
|
|
private $r; // Holds database record
|
|
private $id;
|
|
private $studyplan;
|
|
|
|
public function aggregator(){
|
|
return $this->studyplan->aggregator();
|
|
}
|
|
|
|
// Cache constructors to avoid multiple creation events in one session.
|
|
public static function findById($id): self {
|
|
if(!array_key_exists($id,self::$CACHE)){
|
|
self::$CACHE[$id] = new self($id);
|
|
}
|
|
return self::$CACHE[$id];
|
|
}
|
|
|
|
private function __construct($id) {
|
|
global $DB;
|
|
$this->id = $id;
|
|
$this->r = $DB->get_record(self::TABLE,['id' => $id]);
|
|
$this->studyplan = studyplan::findById($this->r->studyplan_id);
|
|
}
|
|
|
|
public function id(){
|
|
return $this->id;
|
|
}
|
|
|
|
public function studyplan() : studyplan {
|
|
return $this->studyplan;
|
|
}
|
|
|
|
public function shortname(){
|
|
return $this->r->shortname;
|
|
}
|
|
|
|
public function periods(){
|
|
return $this->r->periods;
|
|
}
|
|
|
|
public function fullname(){
|
|
return $this->r->fullname;
|
|
}
|
|
|
|
public function startdate(){
|
|
return new \DateTime($this->r->startdate);
|
|
}
|
|
|
|
public function enddate(){
|
|
if($this->r->enddate && strlen($this->r->enddate) > 0){
|
|
return new \DateTime($this->r->enddate);
|
|
}
|
|
else{
|
|
// return a date 100 years into the future
|
|
return (new \DateTime($this->r->startdate))->add(new \DateInterval("P100Y"));
|
|
}
|
|
|
|
}
|
|
|
|
public static function simple_structure($value=VALUE_REQUIRED){
|
|
return new \external_single_structure([
|
|
"id" => new \external_value(PARAM_INT, 'id of studyplan page'),
|
|
"fullname" => new \external_value(PARAM_TEXT, 'name of studyplan page'),
|
|
"shortname"=> new \external_value(PARAM_TEXT, 'shortname of studyplan page'),
|
|
"periods" => new \external_value(PARAM_INT, 'number of periods in studyplan page'),
|
|
"description"=> new \external_value(PARAM_TEXT, 'description of studyplan page'),
|
|
"startdate" => new \external_value(PARAM_TEXT, 'start date of studyplan'),
|
|
"enddate" => new \external_value(PARAM_TEXT, 'end date of studyplan'),
|
|
],'Studyplan page basic info',$value);
|
|
}
|
|
|
|
public function simple_model(){
|
|
return [
|
|
'id' => $this->r->id,
|
|
'fullname' => $this->r->fullname,
|
|
'shortname' => $this->r->shortname,
|
|
'periods' => $this->r->periods,
|
|
'description' => $this->r->description,
|
|
'startdate' => $this->r->startdate,
|
|
'enddate' => $this->r->enddate,
|
|
];
|
|
}
|
|
|
|
public static function editor_structure($value=VALUE_REQUIRED){
|
|
return new \external_single_structure([
|
|
"id" => new \external_value(PARAM_INT, 'id of studyplan'),
|
|
"fullname" => new \external_value(PARAM_TEXT, 'name of studyplan page'),
|
|
"shortname"=> new \external_value(PARAM_TEXT, 'shortname of studyplan page'),
|
|
"description"=> new \external_value(PARAM_TEXT, 'description of studyplan page'),
|
|
"periods" => new \external_value(PARAM_INT, 'number of periods in studyplan page'),
|
|
"startdate" => new \external_value(PARAM_TEXT, 'start date of studyplan page'),
|
|
"enddate" => new \external_value(PARAM_TEXT, 'end date of studyplan page'),
|
|
"studylines" => new \external_multiple_structure(studyline::editor_structure()),
|
|
],'Studyplan page full structure',$value);
|
|
}
|
|
|
|
public function editor_model(){
|
|
global $DB;
|
|
|
|
$model = [
|
|
'id' => $this->r->id,
|
|
'fullname' => $this->r->fullname,
|
|
'shortname' => $this->r->shortname,
|
|
'description' => $this->r->description,
|
|
'periods' => $this->r->periods,
|
|
'startdate' => $this->r->startdate,
|
|
'enddate' => $this->r->enddate,
|
|
'studylines' => [],
|
|
];
|
|
|
|
$children = studyline::find_page_children($this);
|
|
foreach($children as $c)
|
|
{
|
|
$model['studylines'][] = $c->editor_model();
|
|
}
|
|
return $model;
|
|
}
|
|
|
|
public static function add($fields){
|
|
global $CFG, $DB;
|
|
|
|
if(!isset($fields['studyplan_id'])){
|
|
throw new \InvalidArgumentException("parameter 'studyplan_id' missing");
|
|
}
|
|
|
|
$addable = ['studyplan_id','fullname','shortname','description','periods','startdate','enddate'];
|
|
$info = ['enddate' => null ];
|
|
foreach($addable as $f){
|
|
if(array_key_exists($f,$fields)){
|
|
$info[$f] = $fields[$f];
|
|
}
|
|
}
|
|
$id = $DB->insert_record(self::TABLE, $info);
|
|
return self::findById($id); // make sure the new page is immediately cached
|
|
}
|
|
|
|
public function edit($fields){
|
|
global $DB;
|
|
$editable = ['fullname','shortname','description','periods','startdate','enddate'];
|
|
$info = ['id' => $this->id,];
|
|
foreach($editable as $f){
|
|
if(array_key_exists($f,$fields)){
|
|
$info[$f] = $fields[$f];
|
|
}
|
|
}
|
|
$DB->update_record(self::TABLE, $info);
|
|
//reload record after edit
|
|
$this->r = $DB->get_record(self::TABLE,['id' => $this->id],"*",MUST_EXIST);
|
|
|
|
return $this;
|
|
}
|
|
|
|
public function delete($force=false){
|
|
global $DB;
|
|
|
|
if($force){
|
|
$children = studyline::find_page_children($this);
|
|
foreach($children as $c){
|
|
$c->delete($force);
|
|
}
|
|
}
|
|
|
|
if($DB->count_records('local_treestudyplan_line',['studyplan_id' => $this->id]) > 0){
|
|
return success::fail('cannot delete studyplan that still has studylines');
|
|
}
|
|
else
|
|
{
|
|
$DB->delete_records('local_treestudyplan_page', ['id' => $this->id]);
|
|
return success::success();
|
|
}
|
|
}
|
|
|
|
public static function user_structure($value=VALUE_REQUIRED){
|
|
return new \external_single_structure([
|
|
"id" => new \external_value(PARAM_INT, 'id of studyplan page'),
|
|
"fullname" => new \external_value(PARAM_TEXT, 'name of studyplan page'),
|
|
"shortname"=> new \external_value(PARAM_TEXT, 'shortname of studyplan page'),
|
|
"description"=> new \external_value(PARAM_TEXT, 'description of studyplan page'),
|
|
"periods" => new \external_value(PARAM_INT, 'number of slots in studyplan page'),
|
|
"startdate" => new \external_value(PARAM_TEXT, 'start date of studyplan page'),
|
|
"enddate" => new \external_value(PARAM_TEXT, 'end date of studyplan page'),
|
|
"studylines" => new \external_multiple_structure(studyline::user_structure()),
|
|
],'Studyplan page with user info',$value);
|
|
}
|
|
|
|
public function user_model($userid){
|
|
|
|
$model = [
|
|
'id' => $this->r->id,
|
|
'fullname' => $this->r->fullname,
|
|
'shortname' => $this->r->shortname,
|
|
'description' => $this->r->description,
|
|
'periods' => $this->r->periods,
|
|
'startdate' => $this->r->startdate,
|
|
'enddate' => $this->r->enddate,
|
|
'studylines' => [],
|
|
];
|
|
|
|
$children = studyline::find_page_children($this);
|
|
foreach($children as $c)
|
|
{
|
|
$model['studylines'][] = $c->user_model($userid);
|
|
}
|
|
return $model;
|
|
}
|
|
|
|
public static function find_studyplan_children(studyplan $plan)
|
|
{
|
|
global $DB;
|
|
$list = [];
|
|
$ids = $DB->get_fieldset_select(self::TABLE,"id","studyplan_id = :plan_id ORDER BY startdate",
|
|
['plan_id' => $plan->id()]);
|
|
foreach($ids as $id) {
|
|
$list[] = self::findById($id);
|
|
}
|
|
return $list;
|
|
}
|
|
|
|
public static function duplicate_page($page_id,$name,$shortname)
|
|
{
|
|
$ori = self::findById($page_id);
|
|
$new = $ori->duplicate($name,$shortname);
|
|
return $new->simple_model();
|
|
}
|
|
|
|
public function duplicate($name,$shortname)
|
|
{
|
|
// First duplicate the studyplan structure
|
|
$new = studyplanpage::add([
|
|
'fullname' => $name,
|
|
'shortname' => $shortname,
|
|
'description' => $this->r->description,
|
|
'pages' => $this->r->pages,
|
|
'startdate' => $this->r->startdate,
|
|
'enddate' => empty($this->r->enddate)?null:$this->r->enddate,
|
|
]);
|
|
|
|
// next, copy the studylines
|
|
|
|
$children = studyline::find_page_children($this);
|
|
$itemtranslation = [];
|
|
$linetranslation = [];
|
|
foreach($children as $c){
|
|
$newchild = $c->duplicate($this,$itemtranslation);
|
|
$linetranslation[$c->id()] = $newchild->id();
|
|
}
|
|
|
|
// now the itemtranslation array contains all of the old child id's as keys and all of the related new ids as values
|
|
// (feature of the studyline::duplicate function)
|
|
// use this to recreate the lines in the new plan
|
|
foreach(array_keys($itemtranslation) as $item_id){
|
|
// copy based on the outgoing connections of each item, to avoid duplicates
|
|
$connections = studyitemconnection::find_outgoing($item_id);
|
|
foreach($connections as $conn){
|
|
studyitemconnection::connect($itemtranslation[$conn->from_id],$itemtranslation[$conn->to_id]);
|
|
}
|
|
}
|
|
return $new;
|
|
}
|
|
|
|
public static function export_structure()
|
|
{
|
|
return new \external_single_structure([
|
|
"format" => new \external_value(PARAM_TEXT, 'format of studyplan export'),
|
|
"content"=> new \external_value(PARAM_TEXT, 'exported studyplan content'),
|
|
],'Exported studyplan');
|
|
}
|
|
|
|
public function export_page()
|
|
{
|
|
$model = $this->export_model();
|
|
$json = json_encode([
|
|
"type"=>"studyplanpage",
|
|
"version"=>2.0,
|
|
"page"=>$model
|
|
],\JSON_PRETTY_PRINT);
|
|
return [ "format" => "application/json", "content" => $json];
|
|
}
|
|
|
|
public function export_page_csv()
|
|
{
|
|
//TODO: Period shortnames instead of just P1, P2, P3 etc
|
|
|
|
$model = $this->editor_model();
|
|
|
|
$slots = intval($model["slots"]);
|
|
// First line
|
|
$csv = "\"Studyline[{$slots}]\"";
|
|
for($i = 1; $i <= $slots; $i++){
|
|
$csv .= ",\"P{$i}\"";
|
|
}
|
|
$csv .= "\r\n";
|
|
// next, make one line per studyline
|
|
foreach($model["studylines"] as $line){
|
|
// determine how many fields are simultaneous in the line at maximum
|
|
$maxlines = 1;
|
|
for($i = 1; $i <= $slots; $i++){
|
|
if(count($line["slots"]) > $i){
|
|
$ct = 0;
|
|
foreach($line["slots"][$i][studyline::SLOTSET_COMPETENCY] as $itm){
|
|
if($itm["type"] == "course"){
|
|
$ct += 1;
|
|
}
|
|
}
|
|
if($ct > $maxlines){
|
|
$maxlines = $ct;
|
|
}
|
|
|
|
}
|
|
}
|
|
|
|
for($lct = 0; $lct < $maxlines; $lct++){
|
|
$csv .= "\"{$line["name"]}\"";
|
|
for($i = 1; $i <= $slots; $i++){
|
|
$filled = false;
|
|
if(count($line["slots"]) > $i){
|
|
$ct = 0;
|
|
foreach($line["slots"][$i][studyline::SLOTSET_COMPETENCY] as $itm){
|
|
if($itm["type"] == "course"){
|
|
if($ct == $lct){
|
|
$csv .= ",\"";
|
|
$csv .= $itm["course"]["fullname"];
|
|
$csv .= "\r\n";
|
|
$first = true;
|
|
foreach($itm["course"]["grades"] as $g){
|
|
if($g["selected"]){
|
|
if($first){
|
|
$first = false;
|
|
}
|
|
else{
|
|
$csv .= "\r\n";
|
|
}
|
|
$csv .= "- ".str_replace('"', '\'', $g["name"]);
|
|
}
|
|
}
|
|
$csv .= "\"";
|
|
$filled = true;
|
|
break;
|
|
}
|
|
$ct++;
|
|
}
|
|
}
|
|
}
|
|
if(!$filled) {
|
|
$csv .= ",\"\"";
|
|
}
|
|
}
|
|
$csv .= "\r\n";
|
|
}
|
|
}
|
|
|
|
return [ "format" => "text/csv", "content" => $csv];
|
|
}
|
|
|
|
public function export_studylines(){
|
|
$model = $this->export_studylines_model();
|
|
$json = json_encode([
|
|
"type"=>"studylines",
|
|
"version"=>1.0,
|
|
"studylines"=>$model,
|
|
],\JSON_PRETTY_PRINT);
|
|
return [ "format" => "application/json", "content" => $json];
|
|
}
|
|
|
|
public function export_model()
|
|
{
|
|
$model = [
|
|
'fullname' => $this->r->name,
|
|
'shortname' => $this->r->shortname,
|
|
'description' => $this->r->description,
|
|
'periods' => $this->r->periods,
|
|
'startdate' => $this->r->startdate,
|
|
'enddate' => $this->r->enddate,
|
|
'studylines' => $this->export_studylines_model(),
|
|
];
|
|
return $model;
|
|
}
|
|
|
|
public function export_studylines_model()
|
|
{
|
|
$children = studyline::find_page_children($this);
|
|
$lines = [];
|
|
foreach($children as $c)
|
|
{
|
|
$lines[] = $c->export_model();
|
|
}
|
|
return $lines;
|
|
}
|
|
|
|
public function import_studylines($content,$format="application/json")
|
|
{
|
|
if($format != "application/json") { return false;}
|
|
$content = json_decode($content,true);
|
|
if($content["type"] == "studylines" && $content["version"] >= 2.0){
|
|
return $this->import_studylines_model($content["studylines"]);
|
|
}
|
|
else if($content["type"] == "studyplanpage" && $content["version"] >= 2.0){
|
|
return $this->import_studylines_model($content["page"]["studylines"]);
|
|
}
|
|
else {
|
|
return false;
|
|
}
|
|
}
|
|
|
|
protected function find_studyline_by_shortname($shortname){
|
|
$children = studyline::find_page_children($this);
|
|
foreach($children as $l){
|
|
if($shortname == $l->shortname()){
|
|
return $l;
|
|
}
|
|
}
|
|
return null;
|
|
}
|
|
|
|
public function import_studylines_model($model)
|
|
{
|
|
// First attempt to map each studyline model to an existing or new line
|
|
$line_map = [];
|
|
foreach($model as $ix => $linemodel){
|
|
$line = $this->find_studyline_by_shortname($linemodel["shortname"]);
|
|
if(empty($line)){
|
|
$linemodel["studyplan_id"] = $this->id;
|
|
$line = studyline::add($linemodel);
|
|
} else {
|
|
//$line->edit($linemodel); // Update the line with the settings from the imported file
|
|
}
|
|
$line_map[$ix] = $line;
|
|
}
|
|
|
|
// next, let each study line import the study items
|
|
$itemtranslation = [];
|
|
$connections = [];
|
|
foreach($model as $ix => $linemodel){
|
|
$line_map[$ix]->import_studyitems($linemodel["slots"],$itemtranslation,$connections);
|
|
}
|
|
|
|
// Finally, create the links between the study items
|
|
foreach($connections as $from => $dests){
|
|
foreach($dests as $to){
|
|
studyitemconnection::connect($from,$itemtranslation[$to]);
|
|
}
|
|
}
|
|
return true;
|
|
}
|
|
|
|
} |