ResourcesCommandActionHandler.php

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<?php
 
declare(strict_types=1);
 
namespace ILIAS\COPage\PC\Resources;
 
use ILIAS\DI\Exceptions\Exception;
use ILIAS\COPage\Editor\Server;
 
class ResourcesCommandActionHandler implements Server\CommandActionHandler
{
    protected \ILIAS\DI\UIServices $ui;
    protected \ilLanguage $lng;
    protected \ilPageObjectGUI $page_gui;
    protected \ilObjUser $user;
    protected Server\UIWrapper $ui_wrapper;
 
    public function __construct(\ilPageObjectGUI $page_gui)
    {
        global $DIC;
 
        $this->ui = $DIC->ui();
        $this->lng = $DIC->language();
        $this->page_gui = $page_gui;
        $this->user = $DIC->user();
 
        $this->ui_wrapper = new Server\UIWrapper($this->ui, $this->lng);
    }
 
    public function handle(array $query, array $body): Server\Response
    {
        switch ($body["action"]) {
            case "insert":
                return $this->insertCommand($body);
 
            case "update":
                return $this->updateCommand($body);
 
            default:
                throw new Exception("Unknown action " . $body["action"]);
        }
    }
 
    protected function insertCommand(array $body): Server\Response
    {
        $page = $this->page_gui->getPageObject();
 
        $hier_id = "pg";
        $pc_id = "";
        if (!in_array($body["after_pcid"], ["", "pg"])) {
            $hier_ids = $page->getHierIdsForPCIds([$body["after_pcid"]]);
            $hier_id = $hier_ids[$body["after_pcid"]];
            $pc_id = $body["after_pcid"];
        }
 
        // if ($form->checkInput()) {
        $res = new \ilPCResources($page);
        $res->create($page, $hier_id, $pc_id);
 
        $res_type = $body["res_type"];
 
        $invalid = false;
        if ($res_type === "_other") {
            $res->setResourceListType("_other");
        } elseif ($res_type === "_lobj") {
            $res->setResourceListType("_lobj");
        } elseif ($res_type !== "itgr") {
            if (isset($body["type"])) {
                $res->setResourceListType(
                    $body["type"]
                );
            } else {
                $invalid = true;
            }
        } else {
            $res->setItemGroupRefId(
                (int) $body["itgr"]
            );
        }
 
        if (!$invalid) {
            $updated = $page->update();
        } else {
            $page->buildDom(true);  // rebuild dom (remove changes)
            $updated = true;
        }
 
        return $this->ui_wrapper->sendPage($this->page_gui, $updated);
    }
 
    protected function updateCommand(array $body): Server\Response
    {
        $page = $this->page_gui->getPageObject();
 
        $res = $page->getContentObjectForPcId($body["pcid"]);
 
        $res_type = $body["res_type"];
 
        if ($res_type === "_other") {
            $res->setResourceListType("_other");
        } elseif ($res_type === "_lobj") {
            $res->setResourceListType("_lobj");
        } elseif ($res_type !== "itgr") {
            $res->setResourceListType(
                $body["type"]
            );
        } else {
            $res->setItemGroupRefId(
                (int) $body["itgr"]
            );
        }
 
        $updated = $page->update();
        if ($page instanceof \ilContainerPage) {
            $page->addMissingContainerBlocks($this->page_gui->getItemPresentationManager());
        }
 
        return $this->ui_wrapper->sendPage($this->page_gui, $updated);
    }
}