class.ilTestExportPlugin.php

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<?php
 
abstract class ilTestExportPlugin extends ilPlugin
{
    protected $test;
 
    protected $timestmap = -1;
 
    protected static $reserved_formats = array(
        'xml',
        'csv'
    );
 
    public function __construct(
        \ilDBInterface $db,
        \ilComponentRepositoryWrite $component_repository,
        string $id
    ) {
        parent::__construct($db, $component_repository, $id);
    }
 
    final public function setTest($test)
    {
        $this->test = $test;
    }
 
    final protected function getTest(): ilObjTest
    {
        return $this->test;
    }
 
    public function setTimestmap($timestmap)
    {
        $this->timestmap = $timestmap;
    }
 
    public function getTimestmap(): int
    {
        return $this->timestmap;
    }
 
    final public function getFormat(): string
    {
        $format_id = $this->getFormatIdentifier();
 
        if (!is_string($format_id)) {
            throw new ilException('The format must be of type string.');
        }
 
        if (!strlen($format_id)) {
            throw new ilException('The format is empty.');
        }
 
        if (strtolower($format_id) != $format_id) {
            throw new ilException('Please use a lowercase format.');
        }
 
        if (in_array($format_id, self::$reserved_formats)) {
            throw new ilException('The format must not be one of: ' . implode(', ', self::$reserved_formats));
        }
 
        return $format_id;
    }
 
    final public function export()
    {
        global $DIC;
        $lng = $DIC['lng'];
        $ilCtrl = $DIC['ilCtrl'];
        $main_tpl = $DIC['tpl'];
 
        if (!$this->getTest() instanceof ilObjTest) {
            throw new ilException('Incomplete object configuration. Please pass an instance of ilObjTest before calling the export!');
        }
 
        try {
            $this->buildExportFile(new ilTestExportFilename($this->getTest()));
        } catch (ilException $e) {
            if ($this->txt($e->getMessage()) == '-' . $e->getMessage() . '-') {
                $main_tpl->setOnScreenMessage('failure', $e->getMessage(), true);
            } else {
                $main_tpl->setOnScreenMessage('failure', $this->txt($e->getMessage()), true);
            }
            $ilCtrl->redirectByClass('iltestexportgui');
        }
 
        $main_tpl->setOnScreenMessage('success', $lng->txt('exp_file_created'), true);
        $ilCtrl->redirectByClass('iltestexportgui');
    }
 
    abstract protected function buildExportFile(ilTestExportFilename $export_path);
 
    abstract protected function getFormatIdentifier(): string;
 
    abstract public function getFormatLabel(): string;
}