class.ilUIDemoFileUploadHandlerGUI.php

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<?php
 
use ILIAS\FileUpload\Handler\AbstractCtrlAwareUploadHandler;
use ILIAS\FileUpload\Handler\BasicFileInfoResult;
use ILIAS\FileUpload\Handler\BasicHandlerResult;
use ILIAS\FileUpload\Handler\FileInfoResult;
use ILIAS\FileUpload\Handler\HandlerResult;
 
class ilUIDemoFileUploadHandlerGUI extends AbstractCtrlAwareUploadHandler
{
 
    public function getUploadURL() : string
    {
        $this->ctrl->initBaseClass(ilUIPluginRouterGUI::class);
 
        return $this->ctrl->getLinkTargetByClass([ilUIPluginRouterGUI::class, self::class], self::CMD_UPLOAD);
    }
 
 
    public function getExistingFileInfoURL() : string
    {
        $this->ctrl->initBaseClass(ilUIPluginRouterGUI::class);
 
        return $this->ctrl->getLinkTargetByClass([ilUIPluginRouterGUI::class, self::class], self::CMD_INFO);
    }
 
 
    public function getFileRemovalURL() : string
    {
        $this->ctrl->initBaseClass(ilUIPluginRouterGUI::class);
 
        return $this->ctrl->getLinkTargetByClass([ilUIPluginRouterGUI::class, self::class], self::CMD_REMOVE);
    }
 
 
    public function getFileIdentifierParameterName() : string
    {
        return 'my_file_id';
    }
 
 
    protected function getUploadResult() : HandlerResult
    {
        $status = HandlerResult::STATUS_OK;
        $identifier = md5(random_bytes(65));
        $message = 'Everything ok';
 
        return new BasicHandlerResult($this->getFileIdentifierParameterName(), $status, $identifier, $message);
    }
 
 
    protected function getRemoveResult(string $identifier) : HandlerResult
    {
        $status = HandlerResult::STATUS_OK;
        $message = 'File Deleted';
 
        return new BasicHandlerResult($this->getFileIdentifierParameterName(), $status, $identifier, $message);
    }
 
 
    protected function getInfoResult(string $identifier) : FileInfoResult
    {
        return new BasicFileInfoResult($this->getFileIdentifierParameterName(), $identifier, "My funny Testfile $identifier.txt", 64);
    }
 
 
    public function getInfoForExistingFiles(array $file_ids) : array
    {
        $infos = [];
        foreach ($file_ids as $file_id) {
            $infos[] = new BasicFileInfoResult($this->getFileIdentifierParameterName(), $file_id, "Name $file_id.txt", rand(1000, 2000), "text/plain");
        }
 
        return $infos;
    }
}