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<?php |
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/* |
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* This file is part of Phypes <https://github.com/2DSharp/Phypes>. |
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* |
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* (c) Dedipyaman Das <[email protected]> |
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* |
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* For the full copyright and license information, please view the LICENSE |
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* file that was distributed with this source code. |
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*/ |
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namespace Phypes\Rule\Aggregate; |
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use Phypes\Error\Error; |
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use Phypes\Exception\InvalidAggregateRule; |
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use Phypes\Result\Failure; |
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use Phypes\Result\Result; |
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use Phypes\Result\Success; |
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use Phypes\Rule\Rule; |
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/** |
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* Class ForAtLeast |
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* @package Phypes\Rule\Aggregate |
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* @author Dedipyaman Das <[email protected]> |
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* |
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* Rule to aggregate different rules and validity depends on passing at least the number of specified rules out of all. |
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*/ |
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class ForAtLeast implements Rule |
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{ |
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/** |
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* @var int $minimum |
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*/ |
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private $minimum; |
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/** |
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* @var array|Rule[] $rules |
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*/ |
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private $rules = []; |
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/** |
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* ForAtLeast constructor. |
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* @param int $numOfRules |
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* @param Rule ...$rules |
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* @throws InvalidAggregateRule |
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*/ |
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public function __construct(int $numOfRules, Rule... $rules) |
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{ |
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if (empty($rules)) |
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throw new InvalidAggregateRule("No rules specified for aggregate rule", ForAtLeast::class); |
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if (count($rules) < $numOfRules) |
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throw new InvalidAggregateRule('Minimum passing rule number is greater than supplied rules', |
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ForAtLeast::class); |
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$this->rules = $rules; |
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$this->minimum = $numOfRules; |
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} |
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public function validate($data): Result |
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{ |
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/** |
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* @var array|Error[] $errors |
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*/ |
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$errors = []; |
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$passed = 0; |
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foreach ($this->rules as $rule) { |
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$result = $rule->validate($data); |
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if (!$result->isValid()) { |
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/** |
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* @var Failure $result |
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* @var Error $error |
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*/ |
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foreach ($result->getErrors() as $error) { |
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$errors[] = $error; |
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} |
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} |
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else { |
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$passed++; |
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} |
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if ($passed >= $this->minimum) |
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return new Success(); |
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} |
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return new Failure(...$errors); |
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} |
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} |
2DSharp /
Phypes
