mahdahar
88be3f3809
- Add /api/rules CRUD, nested actions, and expr validation - Add rules migration, models, and RuleEngine/Expression services - Run ORDER_CREATED rules after order create (non-blocking) and refresh tests - Update OpenAPI tags/schemas/paths and bundled docs
47 lines
1.1 KiB
PHP
47 lines
1.1 KiB
PHP
<?php
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namespace App\Services;
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use Symfony\Component\ExpressionLanguage\ExpressionLanguage;
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use Symfony\Component\ExpressionLanguage\ParsedExpression;
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class RuleExpressionService
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{
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protected ExpressionLanguage $language;
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/** @var array<string, ParsedExpression> */
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protected array $parsedCache = [];
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public function __construct()
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{
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$this->language = new ExpressionLanguage();
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}
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public function evaluate(string $expr, array $context = [])
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{
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$expr = trim($expr);
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if ($expr === '') {
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return null;
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}
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$names = array_keys($context);
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sort($names);
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$cacheKey = md5($expr . '|' . implode(',', $names));
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if (!isset($this->parsedCache[$cacheKey])) {
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$this->parsedCache[$cacheKey] = $this->language->parse($expr, $names);
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}
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return $this->language->evaluate($this->parsedCache[$cacheKey], $context);
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}
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public function evaluateBoolean(?string $expr, array $context = []): bool
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{
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if ($expr === null || trim($expr) === '') {
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return true;
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}
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return (bool) $this->evaluate($expr, $context);
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}
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}
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