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Pull Request — master (#369)
by
unknown
02:47
created

Compare::__construct()   A

Complexity

Conditions 2
Paths 2

Size

Total Lines 58
Code Lines 8

Duplication

Lines 0
Ratio 0 %

Code Coverage

Tests 7
CRAP Score 2

Importance

Changes 1
Bugs 0 Features 0
Metric Value
eloc 8
c 1
b 0
f 0
dl 0
loc 58
ccs 7
cts 7
cp 1
rs 10
cc 2
nc 2
nop 10
crap 2

How to fix   Long Method    Many Parameters   

Long Method

Small methods make your code easier to understand, in particular if combined with a good name. Besides, if your method is small, finding a good name is usually much easier.

For example, if you find yourself adding comments to a method's body, this is usually a good sign to extract the commented part to a new method, and use the comment as a starting point when coming up with a good name for this new method.

Commonly applied refactorings include:

Many Parameters

Methods with many parameters are not only hard to understand, but their parameters also often become inconsistent when you need more, or different data.

There are several approaches to avoid long parameter lists:

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<?php
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declare(strict_types=1);
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namespace Yiisoft\Validator\Rule;
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use Closure;
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use InvalidArgumentException;
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use Yiisoft\Validator\Rule\Trait\SkipOnEmptyTrait;
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use Yiisoft\Validator\Rule\Trait\SkipOnErrorTrait;
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use Yiisoft\Validator\Rule\Trait\WhenTrait;
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use Yiisoft\Validator\SerializableRuleInterface;
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use Yiisoft\Validator\SkipOnEmptyInterface;
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use Yiisoft\Validator\SkipOnErrorInterface;
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use Yiisoft\Validator\ValidationContext;
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use Yiisoft\Validator\WhenInterface;
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abstract class Compare implements SerializableRuleInterface, SkipOnEmptyInterface, SkipOnErrorInterface, WhenInterface
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{
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    use SkipOnEmptyTrait;
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    use SkipOnErrorTrait;
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    use WhenTrait;
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    /**
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     * Constant for specifying the comparison as string values.
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     * Values will be converted to strings before comparison.
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     *
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     * @see $type
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     */
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    public const TYPE_STRING = 'string';
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    /**
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     * Constant for specifying the comparison as numeric values.
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     * Values will be converted to float numbers before comparison.
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     *
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     * @see $type
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     */
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    public const TYPE_NUMBER = 'number';
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    private array $validOperatorsMap = [
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        '==' => 1,
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        '===' => 1,
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        '!=' => 1,
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        '!==' => 1,
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        '>' => 1,
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        '>=' => 1,
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        '<' => 1,
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        '<=' => 1,
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    ];
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    public function __construct(
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        /**
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         * @var scalar|null The constant value to be compared with. When both this property and {@see $targetAttribute}
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         * are set, this property takes precedence.
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         */
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        private int|float|string|bool|null $targetValue = null,
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        /**
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         * @var string|null The name of the attribute to be compared with. When both this property and
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         * {@see $targetValue} are set, the {@see $targetValue} takes precedence.
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         */
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        private string|null $targetAttribute = null,
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        private string $incorrectInputMessage = 'The allowed types are integer, float, string, boolean and null.',
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        private string $incorrectDataSetTypeMessage = 'The attribute value returned from a custom data set must have ' .
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        'a scalar type.',
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        /**
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         * @var string|null User-defined error message.
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         */
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        private string|null $message = null,
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        /**
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         * @var string The type of the values being compared.
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         */
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        private string $type = self::TYPE_STRING,
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        /**
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         * @var string The operator for comparison. The following operators are supported:
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         *
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         * - `==`: check if two values are equal. The comparison is done in non-strict mode.
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         * - `===`: check if two values are equal. The comparison is done in strict mode.
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         * - `!=`: check if two values are NOT equal. The comparison is done in non-strict mode.
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         * - `!==`: check if two values are NOT equal. The comparison is done in strict mode.
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         * - `>`: check if value being validated is greater than the value being compared with.
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         * - `>=`: check if value being validated is greater than or equal to the value being compared with.
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         * - `<`: check if value being validated is less than the value being compared with.
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         * - `<=`: check if value being validated is less than or equal to the value being compared with.
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         *
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         * When you want to compare numbers, make sure to also change {@see $type} to {@see TYPE_NUMBER}.
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         */
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        private string $operator = '==',
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        /**
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         * @var bool|callable|null
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         */
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        private mixed $skipOnEmpty = null,
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        private bool $skipOnError = false,
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        /**
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         * @var Closure(mixed, ValidationContext):bool|null
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         */
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        private ?Closure $when = null,
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    ) {
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        if (!isset($this->validOperatorsMap[$this->operator])) {
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            $validOperatorsString = implode(
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                ', ',
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                array_map(
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                    static fn (string $operator): string => '"' . $operator . '"',
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                    array_keys($this->validOperatorsMap),
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                ),
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            );
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            $message = "Operator \"$operator\" is not supported. The valid operators are: $validOperatorsString.";
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            throw new InvalidArgumentException($message);
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        }
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    }
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    /**
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     * @return scalar|null
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     */
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    public function getTargetValue(): int|float|string|bool|null
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    {
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        return $this->targetValue;
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    }
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    public function getTargetAttribute(): string|null
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    {
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        return $this->targetAttribute;
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    }
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    public function getType(): string
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    {
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        return $this->type;
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    }
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    public function getOperator(): string
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    {
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        return $this->operator;
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    }
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    public function getIncorrectInputMessage(): string
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    {
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        return $this->incorrectInputMessage;
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    }
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    public function getIncorrectDataSetTypeMessage(): string
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    {
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        return $this->incorrectDataSetTypeMessage;
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    }
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    public function getMessage(): string
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    {
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        return $this->message ?? match ($this->operator) {
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            '==', '===' => 'Value must be equal to "{targetValueOrAttribute}".',
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            '!=', '!==' => 'Value must not be equal to "{targetValueOrAttribute}".',
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            '>' => 'Value must be greater than "{targetValueOrAttribute}".',
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            '>=' => 'Value must be greater than or equal to "{targetValueOrAttribute}".',
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            '<' => 'Value must be less than "{targetValueOrAttribute}".',
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            '<=' => 'Value must be less than or equal to "{targetValueOrAttribute}".',
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        };
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    }
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    public function getOptions(): array
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    {
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        $messageParameters = [
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            'targetValue' => $this->targetValue,
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            'targetAttribute' => $this->targetAttribute,
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            'targetValueOrAttribute' => $this->targetValue ?? $this->targetAttribute,
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        ];
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        return [
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            'targetValue' => $this->targetValue,
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            'targetAttribute' => $this->targetAttribute,
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            'incorrectInputMessage' => [
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                'message' => $this->incorrectInputMessage,
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                'parameters' => $messageParameters,
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            ],
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            'incorrectDataSetTypeMessage' => [
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                'message' => $this->incorrectDataSetTypeMessage,
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                'parameters' => $messageParameters,
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            ],
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            'message' => [
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                'message' => $this->getMessage(),
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                'parameters' => $messageParameters,
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            ],
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            'type' => $this->type,
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            'operator' => $this->operator,
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            'skipOnEmpty' => $this->getSkipOnEmptyOption(),
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            'skipOnError' => $this->skipOnError,
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        ];
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    }
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    public function getHandlerClassName(): string
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    {
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        return CompareHandler::class;
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    }
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}
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