DataRetrieval.php

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<?php
 
namespace ILIAS\Bibliographic\Field;
 
use ILIAS\Data\Order;
use ILIAS\UI\Component\Table as I;
use ILIAS\UI\Component\Table\OrderingRowBuilder;
 
class DataRetrieval implements I\OrderingRetrieval
{
    private \ilLanguage $lng;
 
    public function __construct(
        protected \ilBiblAdminFactoryFacadeInterface $facade,
        private bool $has_write_access
    ) {
        global $DIC;
        $this->lng = $DIC['lng'];
    }
 
    public function getRows(
        OrderingRowBuilder $row_builder,
        array $visible_column_ids
    ): \Generator {
        $records = $this->getRecords(new Order('position', 'ASC'));
        foreach ($records as $record) {
            $row_id = (string) $record['id'];
            $field = $this->facade->fieldFactory()->findById($record['id']);
            $record['data_type'] = $this->facade->translationFactory()->translate($field);
            $record['is_standard_field'] = $field->isStandardField() ? $this->lng->txt('standard') : $this->lng->txt(
                'custom'
            );
            yield $row_builder->buildOrderingRow($row_id, $record)
                              ->withDisabledAction('translate', !$this->has_write_access);
        }
    }
 
    protected function getRecords(Order $order): array
    {
        $records = $this->facade->fieldFactory()->filterAllFieldsForTypeAsArray($this->facade->type());
        [$order_field, $order_direction] = $order->join([], fn($ret, $key, $value): array => [$key, $value]);
        usort($records, fn($a, $b): int => $a[$order_field] <=> $b[$order_field]);
        if ($order_direction === 'DESC') {
            return array_reverse($records);
        }
        return $records;
    }
 
    public function getTotalRowCount(
        ?array $filter_data,
        ?array $additional_parameters
    ): ?int {
        return count($this->facade->fieldFactory()->getAvailableFieldsForObjId($this->facade->iliasObjId()));
    }
}