ScalarTransformerWalker::walk() - Code Metrics - Inspection of "Add tests" - tomaszhanc/cqrs-lite-read-model - Measure and Improve Code Quality continuously with Scrutinizer

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by Tomasz

created 2017-11-19 00:29 UTC

ScalarTransformerWalker::walk() A

↳ Parent: ScalarTransformerWalker

Complexity

Conditions	3
Paths	1

Size

Total Lines	11
Code Lines	5

Duplication

Lines	0
Ratio	0 %

Code Coverage

Tests	6
CRAP Score	3

Importance

Changes

Metric	Value
dl	0
loc	11
ccs	6
cts	6
cp	1
rs	9.4285
c	0
b	0
f	0
cc	3
eloc	5
nc	1
nop	1
crap	3

<?php
declare(strict_types=1);

namespace ReadModel\Walker;

use ReadModel\InvalidArgumentException;

class ScalarTransformerWalker implements ResultWalker
{
    /** @var array */
    private $typeMapping;

    /**
     * @param array $typeMapping e.g: ['id' => 'int', 'active' => 'bool']
     */
    public function __construct(array $typeMapping)
    {
        $this->typeMapping = $typeMapping;
    }

    public function walk(array $result): array
    {
        array_walk($result, function (&$value, $key) {
            if ($value === null || !isset($this->typeMapping[$key])) {
                return;
            }

            $value = $this->transform($value, $this->typeMapping[$key]);
        });

        return $result;
    }

    private function transform($value, $type)
    {
        $type = strtolower($type);
        $type = 'boolean' === $type ? 'bool' : $type;
        $function = $type.'val';

        if (function_exists($function)) {
            return $function($value);
        }

        throw new InvalidArgumentException(sprintf(
            'Type "%s" is invalid. There is no "%s" function. Fix your type or add that function to global namespace',
            $type,
            $function
        ));
    }
}


1		<?php
2		declare(strict_types=1);
3
4		namespace ReadModel\Walker;
5
6		use ReadModel\InvalidArgumentException;
7
8		class ScalarTransformerWalker implements ResultWalker
9		{
10		/** @var array */
11		private $typeMapping;
12
13		/**
14		* @param array $typeMapping e.g: ['id' => 'int', 'active' => 'bool']
15		*/
16	5	public function __construct(array $typeMapping)
17		{
18	5	$this->typeMapping = $typeMapping;
19	5	}
20
21		public function walk(array $result): array
22		{
23	3	array_walk($result, function (&$value, $key) {
24	3	if ($value === null \|\| !isset($this->typeMapping[$key])) {
25	1	return;
26		}
27
28	2	$value = $this->transform($value, $this->typeMapping[$key]);
29	3	});
30
31	2	return $result;
32		}
33
34	2	private function transform($value, $type)
35		{
36	2	$type = strtolower($type);
37	2	$type = 'boolean' === $type ? 'bool' : $type;
38	2	$function = $type.'val';
39
40	2	if (function_exists($function)) {
41	1	return $function($value);
42		}
43
44	1	throw new InvalidArgumentException(sprintf(
45	1	'Type "%s" is invalid. There is no "%s" function. Fix your type or add that function to global namespace',
46	1	$type,
47	1	$function
48		));
49		}
50		}
51

tomaszhanc / cqrs-lite-read-model

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ScalarTransformerWalker::walk() A

Complexity

Size

Duplication

Code Coverage

Importance

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