class.ilCSVTestExport.php

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<?php

declare(strict_types=1);

class ilCSVTestExport extends ilTestExportAbstract
{
    protected string $content;

    public function withAllResults(): self
    {
        $rows = $this->getDatarows($this->test_obj);
        $separator = ";";
        $csv = "";
        foreach ($rows as $evalrow) {
            $csvrow = $this->test_obj->processCSVRow($evalrow, true, $separator);
            $csv .= implode($separator, $csvrow) . "\n";
        }
        $this->content = $csv;
        return $this;
    }

    public function withAggregatedResults(): self
    {
        $data = $this->test_obj->getAggregatedResultsData();
        $rows = [];
        $rows[] = [
            $this->lng->txt("result"),
            $this->lng->txt("value")
        ];
        foreach ($data["overview"] as $key => $value) {
            $rows[] = [
                $key,
                $value
            ];
        }
        $rows[] = [
            $this->lng->txt("question_id"),
            $this->lng->txt("question_title"),
            $this->lng->txt("average_reached_points"),
            $this->lng->txt("points"),
            $this->lng->txt("percentage"),
            $this->lng->txt("number_of_answers")
        ];
        foreach ($data["questions"] as $key => $value) {
            $rows[] = [
                $key,
                $value[0],
                $value[4],
                $value[5],
                $value[6],
                $value[3]
            ];
        }
        $csv = "";
        $separator = ";";
        foreach ($rows as $evalrow) {
            $csvrow = $this->test_obj->processCSVRow($evalrow, true, $separator);
            $csv .= implode($separator, $csvrow) . "\n";
        }
        $this->content = $csv;
        return $this;
    }


    public function deliver(string $title): void
    {
        ilUtil::deliverData($this->content, ilFileUtils::getASCIIFilename($title . ".csv"));
        exit;
    }

    public function getContent(): string
    {
        return $this->content;
    }
}