StringToBooleanTransformer::transform() - Code Metrics - treehouselabs/feeder - Measure and Improve Code Quality continuously with Scrutinizer

StringToBooleanTransformer::transform() C
last analyzed 2017-12-12 13:04 UTC

↳ Parent: StringToBooleanTransformer

Complexity

Conditions	7
Paths	7

Size

Total Lines	31
Code Lines	15

Duplication

Lines	5
Ratio	16.13 %

Code Coverage

Tests	16
CRAP Score	7

Importance

Changes

Metric	Value
dl	5
loc	31
ccs	16
cts	16
cp	1
rs	6.7272
c	0
b	0
f	0
cc	7
eloc	15
nc	7
nop	1
crap	7

<?php

namespace TreeHouse\Feeder\Modifier\Data\Transformer;

use TreeHouse\Feeder\Exception\TransformationFailedException;

class StringToBooleanTransformer implements TransformerInterface
{
    /**
     * @var array
     */
    protected $defaultTruthyValues = [
        'true',
        'yes',
        'on',
    ];

    /**
     * @var array
     */
    protected $defaultFalsyValues = [
        'false',
        'no',
        'off',
    ];

    /**
     * @var array
     */
    protected $truthyValues;

    /**
     * @var array
     */
    protected $falsyValues;

    /**
     * @param array $truthy
     * @param array $falsy
     * @param bool  $merge
     */
    public function __construct(array $truthy = [], array $falsy = [], $merge = true)
    {
        if (empty($truthy)) {
            $truthy = $this->defaultTruthyValues;
        } elseif ($merge) {
            $truthy = array_merge($this->defaultTruthyValues, $truthy);
        }

        if (empty($falsy)) {
            $falsy = $this->defaultFalsyValues;
        } elseif ($merge) {
            $falsy = array_merge($this->defaultFalsyValues, $falsy);
        }

        $this->truthyValues = array_map('mb_strtolower', $truthy);
        $this->falsyValues = array_map('mb_strtolower', $falsy);
    }

    /**
     * @inheritdoc
     */
    public function transform($value)
    {
        // only transform when we have something to transform
        if (is_null($value)) {
            return $value;
        }

        if (is_bool($value)) {
            return $value;
        }

        if (!is_scalar($value)) {

            throw new TransformationFailedException(
                sprintf('Expected a scalar value to transform, got %s instead.', var_export($value, true))
            );
        }

        if (trim($value) === '') {
            return null;
        }

        if (in_array(mb_strtolower($value), $this->truthyValues)) {
            return true;
        }

        if (in_array(mb_strtolower($value), $this->falsyValues)) {
            return false;
        }

        return (boolean) $value;
    }
}


1			<?php
2
3			namespace TreeHouse\Feeder\Modifier\Data\Transformer;
4
5			use TreeHouse\Feeder\Exception\TransformationFailedException;
6
7			class StringToBooleanTransformer implements TransformerInterface
8			{
9			/**
10			* @var array
11			*/
12			protected $defaultTruthyValues = [
13			'true',
14			'yes',
15			'on',
16			];
17
18			/**
19			* @var array
20			*/
21			protected $defaultFalsyValues = [
22			'false',
23			'no',
24			'off',
25			];
26
27			/**
28			* @var array
29			*/
30			protected $truthyValues;
31
32			/**
33			* @var array
34			*/
35			protected $falsyValues;
36
37			/**
38			* @param array $truthy
39			* @param array $falsy
40			* @param bool $merge
41			*/
42	36		public function __construct(array $truthy = [], array $falsy = [], $merge = true)
43			{
44	36		if (empty($truthy)) {
45	36		$truthy = $this->defaultTruthyValues;
46	36		} elseif ($merge) {
47	2		$truthy = array_merge($this->defaultTruthyValues, $truthy);
48	2		}
49
50	36		if (empty($falsy)) {
51	36		$falsy = $this->defaultFalsyValues;
52	36		} elseif ($merge) {
53	2		$falsy = array_merge($this->defaultFalsyValues, $falsy);
54	2		}
55
56	36		$this->truthyValues = array_map('mb_strtolower', $truthy);
57	36		$this->falsyValues = array_map('mb_strtolower', $falsy);
58	36		}
59
60			/**
61			* @inheritdoc
62			*/
63	36		public function transform($value)
64			{
65			// only transform when we have something to transform
66	36		if (is_null($value)) {
67	2		return $value;
68			}
69
70	34		if (is_bool($value)) {
71	4		return $value;
72			}
73
74	30	View Code Duplication	if (!is_scalar($value)) {
			0 ignored issues – show Duplication introduced 2016-03-08 13:40 UTC by Report Bug Copy Issue Report This code seems to be duplicated across your project. Duplicated code is one of the most pungent code smells. If you need to duplicate the same code in three or more different places, we strongly encourage you to look into extracting the code into a single class or operation. You can also find more detailed suggestions in the “Code” section of your repository. Loading history...
75	2		throw new TransformationFailedException(
76	2		sprintf('Expected a scalar value to transform, got %s instead.', var_export($value, true))
77	2		);
78			}
79
80	28		if (trim($value) === '') {
81	2		return null;
82			}
83
84	26		if (in_array(mb_strtolower($value), $this->truthyValues)) {
85	8		return true;
86			}
87
88	18		if (in_array(mb_strtolower($value), $this->falsyValues)) {
89	8		return false;
90			}
91
92	10		return (boolean) $value;
93			}
94			}
95

treehouselabs / feeder

StringToBooleanTransformer::transform() C last analyzed 2017-12-12 13:04 UTC

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StringToBooleanTransformer::transform() C
last analyzed 2017-12-12 13:04 UTC