class.ilDidacticTemplateSettingsTableDataRetrieval.php

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<?php

declare(strict_types=1);

use ILIAS\UI\Component\Table\DataRetrieval;
use ILIAS\UI\Component\Table\DataRowBuilder;
use ILIAS\Data\Range;
use ILIAS\Data\Order;
use ILIAS\UI\Factory as UIFactory;
use ILIAS\UI\Renderer as UIRenderer;
use ILIAS\UI\Component\Symbol\Icon\Icon;
use ILIAS\StaticURL\Services as StaticURLService;
use ILIAS\Data\Factory as DataFactory;

class ilDidacticTemplateSettingsTableDataRetrieval implements DataRetrieval
{
    protected ilDidacticTemplateSettingsTableFilter $filter;
    protected ilLanguage $lng;
    protected UIFactory $ui_factory;
    protected UIRenderer $ui_renderer;
    protected StaticURLService $static_url;
    protected DataFactory $data_factory;

    public function __construct(
        ilDidacticTemplateSettingsTableFilter $filter,
        ilLanguage $lng,
        UIFactory $ui_factory,
        UIRenderer $ui_renderer,
        StaticURLService $static_url,
        DataFactory $data_factory
    ) {
        $this->filter = $filter;
        $this->lng = $lng;
        $this->ui_factory = $ui_factory;
        $this->ui_renderer = $ui_renderer;
        $this->static_url = $static_url;
        $this->data_factory = $data_factory;
    }

    public function getRows(
        DataRowBuilder $row_builder,
        array $visible_column_ids,
        Range $range,
        Order $order,
        ?array $filter_data,
        ?array $additional_parameters
    ): Generator {
        $records = $this->getRecords($order, $range);
        foreach ($records as $record) {
            $row = $row_builder->buildDataRow((string) $record['template_id'], $record);
            if ($record['automatically_generated']) {
                $row = $row->withDisabledAction('didactic_do_export');
            }
            yield $row;
        }
    }

    public function getTotalRowCount(
        ?array $filter_data,
        ?array $additional_parameters
    ): ?int {
        return count($this->getTemplates());
    }

    protected function getTemplates(): array
    {
        $tpls = ilDidacticTemplateSettings::getInstance();
        $tpls->readInactive();
        return $this->filter->filter($tpls->getTemplates());
    }

    protected function getRecords(Order $order, Range $range): array
    {
        $records = [];
        foreach ($this->getTemplates() as $tpl) {
            /* @var $tpl ilDidacticTemplateSetting */
            $atxt = '';
            foreach ($tpl->getAssignments() as $obj_type) {
                $atxt .= ($this->lng->txt('objs_' . $obj_type) . '<br/>');
            }
            $title_desc = $tpl->getPresentationTitle()
                . "<br><br>"
                . $tpl->getPresentationDescription()
                . (trim($tpl->getInfo()) ? "<br><br>" . $tpl->getInfo() : '')
                . ($tpl->isAutoGenerated() ? "<br><br>" . $this->lng->txt("didactic_auto_generated") : '');

            $scope_str = '';
            if (count($tpl->getEffectiveFrom()) > 0) {
                $scope_str .= $this->lng->txt('didactic_scope_list_header');
                foreach ($tpl->getEffectiveFrom() as $ref_id) {
                    $link = $this->ui_renderer->render($this->ui_factory->link()->standard(
                        ilObject::_lookupTitle(ilObject::_lookupObjId($ref_id)),
                        (string) $this->static_url->builder()->build(
                            ilObject::_lookupType($ref_id, true),
                            $this->data_factory->refId($ref_id)
                        )
                    ));
                    $scope_str .= "<br>";
                    $scope_str .= $link;
                }
            } else {
                $scope_str .= (isset($a_set['local']) ? $this->lng->txt('meta_local') : $this->lng->txt('meta_global'));
            }
            $scope_str .= "<br>";

            $icon_label = '';
            $icon_path = $tpl->getIconHandler()->getAbsolutePath();
            foreach ($tpl->getAssignments() as $obj_type) {
                $icon_label = $this->lng->txt('objs_' . $obj_type);
            }
            if ($icon_path) {
                $icon = $this->ui_factory->symbol()->icon()->custom(
                    $icon_path,
                    $icon_label
                );
            }

            $icon_active = $this->ui_factory->symbol()->icon()->custom(
                $tpl->isEnabled() ?
                    ilUtil::getImagePath('standard/icon_ok.svg') :
                    ilUtil::getImagePath('standard/icon_not_ok.svg'),
                $tpl->isEnabled() ? $this->lng->txt('active') : $this->lng->txt('inactive'),
                Icon::MEDIUM
            );

            $record = [
                'template_id' => $tpl->getId(),
                'title' => $title_desc,
                'applicable' => $atxt,
                'scope' => $scope_str,
                'enabled' => $icon_active,
                'automatically_generated' => $tpl->isAutoGenerated()
            ];
            if (isset($icon)) {
                $record['icon'] = $icon;
            }
            $records[] = $record;
        }
        list($order_field, $order_direction) = $order->join([], fn($ret, $key, $value) => [$key, $value]);
        usort($records, fn($a, $b) => $a[$order_field] <=> $b[$order_field]);
        if (
            $order_direction === 'DESC'
        ) {
            $records = array_reverse($records);
        }
        $selected_records = array_slice(
            $records,
            $range->getStart(),
            $range->getLength()
        );
        return $selected_records;
    }
}