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<?php |
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declare(strict_types=1); |
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namespace Albert221\Validation\Rule; |
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use Albert221\Validation\Rule; |
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use Albert221\Validation\RuleValidator; |
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use Albert221\Validation\Verdict; |
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use Albert221\Validation\VerdictInterface; |
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use InvalidArgumentException; |
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class LengthValidator extends RuleValidator |
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{ |
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public function verdict($value, Rule $rule): VerdictInterface |
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{ |
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$this->validateOptions($rule->getOptions()); |
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if (is_null($value)) { |
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return Verdict::create(true, $rule); |
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} |
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return Verdict::create( |
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$this->isNotSmallerThanItShould($value, $rule) |
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&& $this->isNotBiggerThanItShould($value, $rule) |
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&& $this->isExactlyHowItShould($value, $rule), |
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$rule |
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); |
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} |
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/** |
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* @param $value |
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* @param Rule $rule |
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* |
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* @return bool |
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*/ |
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private function isNotSmallerThanItShould($value, Rule $rule): bool |
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{ |
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return mb_strlen($value) >= $rule->getOption('min', 0); |
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} |
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/** |
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* @param $value |
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* @param Rule $rule |
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* |
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* @return bool |
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*/ |
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private function isNotBiggerThanItShould($value, Rule $rule): bool |
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{ |
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return mb_strlen($value) <= $rule->getOption('max', PHP_INT_MAX); |
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} |
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/** |
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* @param $value |
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* @param Rule $rule |
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* |
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* @return bool |
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*/ |
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private function isExactlyHowItShould($value, Rule $rule): bool |
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{ |
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return is_null($rule->getOption('exact')) |
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|| mb_strlen($value) === $rule->getOption('exact'); |
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} |
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/** |
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* @param array $options |
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*/ |
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private function validateOptions(array $options) |
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{ |
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if (isset($options['min']) && isset($options['max'])) { |
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if ($options['min'] == $options['max']) { |
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throw new InvalidArgumentException( |
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'Value of "min" and "max" must not be the same. Use "exact" option instead.' |
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); |
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} |
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if ($options['min'] > $options['max']) { |
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throw new InvalidArgumentException( |
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'Value of "max" option must be bigger than value of "min" option.' |
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); |
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} |
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} |
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if ((isset($options['min']) || isset($options['max'])) && isset($options['exact'])) { |
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throw new InvalidArgumentException( |
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'If "exact" option has been passed, no other options must be passed.' |
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); |
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} |
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} |
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} |
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Albert221 /
validation
