Renderer.php

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<?php

declare(strict_types=1);

namespace ILIAS\MetaData\Copyright;

use ILIAS\UI\Factory;
use ILIAS\UI\Component\Symbol\Icon\Icon;
use ILIAS\UI\Component\Link\Link;
use ILIAS\UI\Component\Legacy\Legacy;

class Renderer implements RendererInterface
{
    protected Factory $factory;

    public function __construct(
        Factory $factory
    ) {
        $this->factory = $factory;
    }

    public function toUIComponents(CopyrightDataInterface $copyright): array
    {
        $res = [];
        $has_link = false;
        if (!is_null($image = $this->buildIcon($copyright))) {
            $res[] = $image;
        }
        if (!is_null($link = $this->buildLink($copyright))) {
            $res[] = $link;
            $has_link = true;
        }
        if ($copyright->fullName() && !$has_link) {
            $res[] = $this->textInLegacy($copyright->fullName());
        }
        return $res;
    }

    protected function buildIcon(CopyrightDataInterface $copyright): ?Icon
    {
        if (!$copyright->imageLink()) {
            return null;
        }
        return $this->customIcon(
            (string) $copyright->imageLink(),
            $copyright->altText()
        );
    }

    protected function buildLink(CopyrightDataInterface $copyright): ?Link
    {
        if (!$copyright->link()) {
            return null;
        }
        return $this->standardLink(
            $copyright->fullName() !== '' ? $copyright->fullName() : (string) $copyright->link(),
            (string) $copyright->link()
        );
    }

    protected function customIcon(string $src, string $alt): Icon
    {
        return $this->factory->symbol()->icon()->custom($src, $alt, Icon::MEDIUM);
    }

    protected function standardLink(string $label, string $action): Link
    {
        return $this->factory->link()->standard($label, $action);
    }

    protected function textInLegacy(string $text): Legacy
    {
        return $this->factory->legacy($text);
    }
}