ChoiceQuestion::getDefaultValidator() - Code Metrics - Inspection of "Fix compatibility issues with earlier versions of..." - regularjack/frontend-bundle - Measure and Improve Code Quality continuously with Scrutinizer

Completed

Pull Request — master (#18)

by Paulo Rodrigues

created 2016-01-04 01:32 UTC

ChoiceQuestion::getDefaultValidator() C

↳ Parent: ChoiceQuestion

Complexity

Conditions	14
Paths	1

Size

Total Lines	60
Code Lines	35

Duplication

Lines	0
Ratio	0 %

Importance

Changes	1
Bugs	0	Features	0

Metric	Value
c	1
b	0
f	0
dl	0
loc	60
rs	6.325
cc	14
eloc	35
nc	1
nop	0

How to fix Long Method Complexity

<?php

/*
 * This file is part of the Symfony package.
 *
 * (c) Fabien Potencier <[email protected]>
 *
 * For the full copyright and license information, please view the LICENSE
 * file that was distributed with this source code.
 */

namespace Rj\FrontendBundle\Command\Options\Legacy;

use Symfony\Component\Console\Exception\InvalidArgumentException;

/**
 * Represents a choice question.
 *
 * @author Fabien Potencier <[email protected]>
 */
class ChoiceQuestion extends Question
{
    private $choices;
    private $multiselect = false;
    private $prompt = ' > ';
    private $errorMessage = 'Value "%s" is invalid';

    /**
     * Constructor.
     *
     * @param string $question The question to ask to the user
     * @param array  $choices  The list of available choices
     * @param mixed  $default  The default answer to return
     */
    public function __construct($question, array $choices, $default = null)
    {
        parent::__construct($question, $default);

        $this->choices = $choices;
        $this->setValidator($this->getDefaultValidator());
        $this->setAutocompleterValues($choices);
    }

    /**
     * Returns available choices.
     *
     * @return array
     */
    public function getChoices()
    {
        return $this->choices;
    }

    /**
     * Sets multiselect option.
     *
     * When multiselect is set to true, multiple choices can be answered.
     *
     * @param bool $multiselect
     *
     * @return ChoiceQuestion The current instance
     */
    public function setMultiselect($multiselect)
    {
        $this->multiselect = $multiselect;
        $this->setValidator($this->getDefaultValidator());

        return $this;
    }

    /**
     * Gets the prompt for choices.
     *
     * @return string
     */
    public function getPrompt()
    {
        return $this->prompt;
    }

    /**
     * Sets the prompt for choices.
     *
     * @param string $prompt
     *
     * @return ChoiceQuestion The current instance
     */
    public function setPrompt($prompt)
    {
        $this->prompt = $prompt;

        return $this;
    }

    /**
     * Sets the error message for invalid values.
     *
     * The error message has a string placeholder (%s) for the invalid value.
     *
     * @param string $errorMessage
     *
     * @return ChoiceQuestion The current instance
     */
    public function setErrorMessage($errorMessage)
    {
        $this->errorMessage = $errorMessage;
        $this->setValidator($this->getDefaultValidator());

        return $this;
    }

    /**
     * Returns the default answer validator.
     *
     * @return callable
     */
    private function getDefaultValidator()
    {
        $choices = $this->choices;
        $errorMessage = $this->errorMessage;
        $multiselect = $this->multiselect;
        $isAssoc = $this->isAssoc($choices);

        return function ($selected) use ($choices, $errorMessage, $multiselect, $isAssoc) {
            // Collapse all spaces.
            $selectedChoices = str_replace(' ', '', $selected);

            if ($multiselect) {
                // Check for a separated comma values
                if (!preg_match('/^[a-zA-Z0-9_-]+(?:,[a-zA-Z0-9_-]+)*$/', $selectedChoices, $matches)) {
                    throw new InvalidArgumentException(sprintf($errorMessage, $selected));
                }
                $selectedChoices = explode(',', $selectedChoices);
            } else {
                $selectedChoices = array($selected);
            }

            $multiselectChoices = array();
            foreach ($selectedChoices as $value) {
                $results = array();
                foreach ($choices as $key => $choice) {
                    if ($choice === $value) {
                        $results[] = $key;
                    }
                }

                if (count($results) > 1) {
                    throw new InvalidArgumentException(sprintf('The provided answer is ambiguous. Value should be one of %s.', implode(' or ', $results)));
                }

                $result = array_search($value, $choices);

                if (!$isAssoc) {
                    if (false !== $result) {
                        $result = $choices[$result];
                    } elseif (isset($choices[$value])) {
                        $result = $choices[$value];
                    }
                } elseif (false === $result && isset($choices[$value])) {
                    $result = $value;
                }

                if (false === $result) {
                    throw new InvalidArgumentException(sprintf($errorMessage, $value));
                }

                $multiselectChoices[] = (string) $result;
            }

            if ($multiselect) {
                return $multiselectChoices;
            }

            return current($multiselectChoices);
        };
    }
}


1			<?php
2
3			/*
4			* This file is part of the Symfony package.
5			*
6			* (c) Fabien Potencier <[email protected]>
7			*
8			* For the full copyright and license information, please view the LICENSE
9			* file that was distributed with this source code.
10			*/
11
12			namespace Rj\FrontendBundle\Command\Options\Legacy;
13
14			use Symfony\Component\Console\Exception\InvalidArgumentException;
15
16			/**
17			* Represents a choice question.
18			*
19			* @author Fabien Potencier <[email protected]>
20			*/
21			class ChoiceQuestion extends Question
22			{
23			private $choices;
24			private $multiselect = false;
25			private $prompt = ' > ';
26			private $errorMessage = 'Value "%s" is invalid';
27
28			/**
29			* Constructor.
30			*
31			* @param string $question The question to ask to the user
32			* @param array $choices The list of available choices
33			* @param mixed $default The default answer to return
34			*/
35			public function __construct($question, array $choices, $default = null)
36			{
37			parent::__construct($question, $default);
38
39			$this->choices = $choices;
40			$this->setValidator($this->getDefaultValidator());
41			$this->setAutocompleterValues($choices);
42			}
43
44			/**
45			* Returns available choices.
46			*
47			* @return array
48			*/
49			public function getChoices()
50			{
51			return $this->choices;
52			}
53
54			/**
55			* Sets multiselect option.
56			*
57			* When multiselect is set to true, multiple choices can be answered.
58			*
59			* @param bool $multiselect
60			*
61			* @return ChoiceQuestion The current instance
62			*/
63			public function setMultiselect($multiselect)
64			{
65			$this->multiselect = $multiselect;
66			$this->setValidator($this->getDefaultValidator());
67
68			return $this;
69			}
70
71			/**
72			* Gets the prompt for choices.
73			*
74			* @return string
75			*/
76			public function getPrompt()
77			{
78			return $this->prompt;
79			}
80
81			/**
82			* Sets the prompt for choices.
83			*
84			* @param string $prompt
85			*
86			* @return ChoiceQuestion The current instance
87			*/
88			public function setPrompt($prompt)
89			{
90			$this->prompt = $prompt;
91
92			return $this;
93			}
94
95			/**
96			* Sets the error message for invalid values.
97			*
98			* The error message has a string placeholder (%s) for the invalid value.
99			*
100			* @param string $errorMessage
101			*
102			* @return ChoiceQuestion The current instance
103			*/
104			public function setErrorMessage($errorMessage)
105			{
106			$this->errorMessage = $errorMessage;
107			$this->setValidator($this->getDefaultValidator());
108
109			return $this;
110			}
111
112			/**
113			* Returns the default answer validator.
114			*
115			* @return callable
116			*/
117			private function getDefaultValidator()
118			{
119			$choices = $this->choices;
120			$errorMessage = $this->errorMessage;
121			$multiselect = $this->multiselect;
122			$isAssoc = $this->isAssoc($choices);
123
124			return function ($selected) use ($choices, $errorMessage, $multiselect, $isAssoc) {
125			// Collapse all spaces.
126			$selectedChoices = str_replace(' ', '', $selected);
127
128			if ($multiselect) {
129			// Check for a separated comma values
130			if (!preg_match('/^[a-zA-Z0-9_-]+(?:,[a-zA-Z0-9_-]+)*$/', $selectedChoices, $matches)) {
131			throw new InvalidArgumentException(sprintf($errorMessage, $selected));
132			}
133			$selectedChoices = explode(',', $selectedChoices);
134			} else {
135			$selectedChoices = array($selected);
136			}
137
138			$multiselectChoices = array();
139			foreach ($selectedChoices as $value) {
140			$results = array();
141			foreach ($choices as $key => $choice) {
142			if ($choice === $value) {
143			$results[] = $key;
144			}
145			}
146
147			if (count($results) > 1) {
148			throw new InvalidArgumentException(sprintf('The provided answer is ambiguous. Value should be one of %s.', implode(' or ', $results)));
149			}
150
151			$result = array_search($value, $choices);
152
153			if (!$isAssoc) {
154			if (false !== $result) {
155			$result = $choices[$result];
156			} elseif (isset($choices[$value])) {
157			$result = $choices[$value];
158			}
159			} elseif (false === $result && isset($choices[$value])) {
160			$result = $value;
161			}
162
163			if (false === $result) {
164			throw new InvalidArgumentException(sprintf($errorMessage, $value));
165			}
166
167			$multiselectChoices[] = (string) $result;
168			}
169
170			if ($multiselect) {
171			return $multiselectChoices;
172			}
173
174			return current($multiselectChoices);
175			};
176			}
177			}
178

regularjack / frontend-bundle

Pull Request — master (#18)

ChoiceQuestion::getDefaultValidator() C

Complexity

Size

Duplication

Importance

How to fix Long Method Complexity

Long Method

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