Passed
Pull Request — master (#149)
by Pierre
03:06
created

DictionaryValidator::varToString()   B

Complexity

Conditions 7
Paths 7

Size

Total Lines 22
Code Lines 11

Duplication

Lines 0
Ratio 0 %

Code Coverage

Tests 12
CRAP Score 7

Importance

Changes 1
Bugs 1 Features 0
Metric Value
cc 7
eloc 11
c 1
b 1
f 0
nc 7
nop 1
dl 0
loc 22
ccs 12
cts 12
cp 1
crap 7
rs 8.8333
1
<?php
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declare(strict_types=1);
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namespace Knp\DictionaryBundle\Validator\Constraints;
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use Knp\DictionaryBundle\Dictionary\Collection;
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use Symfony\Component\Form\Exception\UnexpectedTypeException;
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use Symfony\Component\Validator\Constraint;
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use Symfony\Component\Validator\ConstraintValidator;
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final class DictionaryValidator extends ConstraintValidator
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{
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    /**
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     * @var Collection
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     */
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    private $dictionaries;
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    public function __construct(Collection $dictionaries)
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    {
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        $this->dictionaries = $dictionaries;
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    }
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    public function validate($value, Constraint $constraint): void
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    {
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        if (!$constraint instanceof Dictionary) {
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            throw new UnexpectedTypeException($constraint, __NAMESPACE__.'\Dictionary');
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        }
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        if (null === $value || '' === $value) {
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            return;
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        }
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        $dictionary = $this->dictionaries[$constraint->name];
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        $values     = $dictionary->getKeys();
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        if (!\in_array($value, $values, true)) {
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            $this->context->addViolation(
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                $constraint->message,
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                [
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                    '{{ key }}'  => $this->varToString($value),
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                    '{{ keys }}' => implode(
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                        ', ',
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                        array_map(
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                            [$this, 'varToString'],
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                            $values
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                        )
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                    ),
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                ]
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            );
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        }
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    }
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    /**
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     * @param mixed $var
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     */
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    private function varToString($var): string
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    {
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        if (null === $var) {
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            return 'null';
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        }
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        if (\is_string($var)) {
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            return '"'.$var.'"';
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        }
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        if (\is_bool($var)) {
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            return $var ? 'true' : 'false';
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        }
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        if (\is_float($var)) {
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            return 0.0 === $var
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                ? '0.0'
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                : (string) $var
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            ;
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        }
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        return (string) $var;
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    }
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}
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