Reader.php

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<?php
 
declare(strict_types=1);
 
namespace ILIAS\MetaData\Vocabularies\Dispatch;
 
use ILIAS\MetaData\Vocabularies\VocabularyInterface;
use ILIAS\MetaData\Vocabularies\Type;
use ILIAS\MetaData\Vocabularies\Slots\Identifier as SlotIdentifier;
use ILIAS\MetaData\Vocabularies\Controlled\RepositoryInterface as ControlledRepo;
use ILIAS\MetaData\Vocabularies\Standard\RepositoryInterface as StandardRepo;
use ILIAS\MetaData\Vocabularies\Copyright\BridgeInterface as CopyrightBridge;
 
class Reader implements ReaderInterface
{
    protected CopyrightBridge $copyright_bridge;
    protected ControlledRepo $controlled_repo;
    protected StandardRepo $standard_repo;
 
    public function __construct(
        CopyrightBridge $copyright_bridge,
        ControlledRepo $controlled_repo,
        StandardRepo $standard_repo
    ) {
        $this->copyright_bridge = $copyright_bridge;
        $this->controlled_repo = $controlled_repo;
        $this->standard_repo = $standard_repo;
    }
 
    public function vocabulary(string $vocab_id): VocabularyInterface
    {
        $slot = SlotIdentifier::tryFrom($vocab_id);
        if ($slot === null) {
            return $this->controlled_repo->getVocabulary($vocab_id);
        }
 
        $from_copyright = $this->copyright_bridge->vocabulary($slot);
        if ($from_copyright !== null) {
            return $from_copyright;
        }
 
        return $this->standard_repo->getVocabulary($slot);
    }
 
    public function vocabulariesForSlots(
        SlotIdentifier ...$slots
    ): \Generator {
        foreach ($slots as $slot) {
            $from_copyright = $this->copyright_bridge->vocabulary($slot);
            if (!is_null($from_copyright)) {
                yield $from_copyright;
            }
        }
        yield from $this->controlled_repo->getVocabulariesForSlots(...$slots);
        yield from $this->standard_repo->getVocabularies(...$slots);
    }
 
    public function activeVocabulariesForSlots(
        SlotIdentifier ...$slots
    ): \Generator {
        foreach ($slots as $slot) {
            $from_copyright = $this->copyright_bridge->vocabulary($slot);
            if (!is_null($from_copyright) && $from_copyright->isActive()) {
                yield $from_copyright;
            }
        }
        yield from $this->controlled_repo->getActiveVocabulariesForSlots(...$slots);
        yield from $this->standard_repo->getActiveVocabularies(...$slots);
    }
}