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1<?php
2
3// ╔════════════════════════════════════════════════════════════╗
4// ║ MIT Licence (#Expat) - https://opensource.org/licenses/MIT ║
5// ║ Copyright 2026 Frederic Poeydomenge <dyno@phexium.com>     ║
6// ╚════════════════════════════════════════════════════════════╝
7
8declare(strict_types=1);
9
10namespace Phexium\Domain\Specification;
11
12use Override;
13
14// Use case: Digital status must match ebook file presence
15// $spec = new BinaryXnorSpecification($isDigital, $hasEbookFile);
16final readonly class BinaryXnorSpecification extends BinaryAbstract
17{
18    #[Override]
19    protected function getSqlTemplate(): string
20    {
21        return '((LEFT) AND (RIGHT)) OR (NOT (LEFT) AND NOT (RIGHT))';
22    }
23
24    #[Override]
25    protected function evaluateBinary(
26        callable $leftFilter,
27        callable $rightFilter,
28        array $row
29    ): bool {
30        return ($leftFilter($row) && $rightFilter($row)) || (!$leftFilter($row) && !$rightFilter($row));
31    }
32}