InMemorySubjectRepository.php

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<?php
 
declare(strict_types=1);
 
namespace ILIAS\Tests\KeyValueStorage;
 
use ILIAS\KeyValueStorage\Internal\StorageNamespace;
use ILIAS\KeyValueStorage\Subject\SubjectId;
use ILIAS\KeyValueStorage\SubjectRepository;
 
class InMemorySubjectRepository implements SubjectRepository
{
    public array $entries = [];
 
    public int $remove_subject_calls = 0;
 
    public int $remove_subjects_calls = 0;
 
    public function hasFor(SubjectId $subject, StorageNamespace $namespace, string $key): bool
    {
        return isset($this->entries[$this->keyOf($subject)][$namespace->value()][$key]);
    }
 
    public function readFor(SubjectId $subject, StorageNamespace $namespace, string $key): ?string
    {
        return $this->entries[$this->keyOf($subject)][$namespace->value()][$key] ?? null;
    }
 
    public function readAllFor(SubjectId $subject, StorageNamespace $namespace): array
    {
        return $this->entries[$this->keyOf($subject)][$namespace->value()] ?? [];
    }
 
    public function writeFor(SubjectId $subject, StorageNamespace $namespace, string $key, string $value): void
    {
        $this->entries[$this->keyOf($subject)][$namespace->value()][$key] = $value;
    }
 
    public function removeFor(SubjectId $subject, StorageNamespace $namespace, string $key): void
    {
        unset($this->entries[$this->keyOf($subject)][$namespace->value()][$key]);
    }
 
    public function removeAllFor(SubjectId $subject, StorageNamespace $namespace): void
    {
        unset($this->entries[$this->keyOf($subject)][$namespace->value()]);
    }
 
    public function removeSubject(SubjectId $subject): void
    {
        $this->remove_subject_calls++;
        unset($this->entries[$this->keyOf($subject)]);
    }
 
    public function removeSubjects(array $subjects): void
    {
        $this->remove_subjects_calls++;
        if ($subjects === []) {
            return;
        }
 
        foreach ($subjects as $subject) {
            if (!$subject instanceof SubjectId) {
                throw new \InvalidArgumentException('Expected a subject id.');
            }
            $this->removeSubject($subject);
        }
    }
 
    private function keyOf(SubjectId $subject): string
    {
        return $subject->provider() . ':' . $subject->id();
    }
}