Question::ask() - Code Metrics - Inspection of "Merge pull request #59 from gulien/master" - theaentmachine/aent-console - Measure and Improve Code Quality continuously with Scrutinizer

Completed

Push — master ( e12660...3459f8 )

by Julien

created 2018-07-26 14:37 UTC

Question::ask() F

↳ Parent: Question

Complexity

Conditions	20
Paths	162

Size

Total Lines	70
Code Lines	46

Duplication

Lines	0
Ratio	0 %

Importance

Changes

Metric	Value
cc	20
eloc	46
nc	162
nop	0
dl	0
loc	70
rs	3.65
c	0
b	0
f	0

How to fix Long Method Complexity

<?php


namespace TheAentMachine\Question;

use Symfony\Component\Console\Question\Question as SymfonyQuestion;

/**
 * A helper class to easily create questions.
 */
final class Question extends AbstractQuestion
{
    /** @var bool */
    private $compulsory = false;

    /** @var callable|null */
    private $validator;

    /** @var bool */
    private $yesNoQuestion = false;

    public function setDefault(string $default): self
    {
        $this->default = $default;
        return $this;
    }

    public function setHelpText(string $helpText): self
    {
        $this->helpText = $helpText;
        return $this;
    }

    public function compulsory(): self
    {
        $this->compulsory = true;
        return $this;
    }

    public function setValidator(callable $validator): self
    {
        $this->validator = $validator;
        return $this;
    }

    public function yesNoQuestion(): self
    {
        $this->yesNoQuestion = true;
        return $this;
    }

    public function ask(): string
    {
        $text = $this->question;
        if ($this->helpText) {
            $text .= ' (? for help)';
        }
        if ($this->default) {
            if (!$this->yesNoQuestion) {
                $text .= ' [' . $this->default . ']';
            } elseif ($this->default === 'y') {
                $text .= ' [Y/n]';
            } elseif ($this->default === 'n') {
                $text .= ' [y/N]';
            } else {
                throw new \InvalidArgumentException('Default value must be "y" or "n".');
            }
        } elseif ($this->yesNoQuestion) {
            $text .= ' [y/n]';
        }
        $text .= ': ';

        $question = new SymfonyQuestion($text, $this->default);

        $validator = $this->validator;

        if ($this->yesNoQuestion) {
            $validator = function (?string $response) use ($validator) {
                $response = $response ?? '';
                $response = \strtolower(trim($response));
                if (!\in_array($response, ['y', 'n', 'yes', 'no'])) {
                    throw new \InvalidArgumentException('Answer must be "y" or "n"');
                }
                $response = \in_array($response, ['y', 'yes']) ? '1' : '';
                return $validator ? $validator($response) : $response;
            };
        }

        if ($this->helpText !== null) {
            $validator = function (?string $response) use ($validator) {
                $response = $response ?? '';
                if (trim($response) === '?') {
                    $this->output->writeln($this->helpText ?: '');
                    return '?';
                }
                return $validator ? $validator($response) : $response;
            };
        }

        if ($this->compulsory) {
            $validator = function (?string $response) use ($validator) {
                $response = $response ?? '';
                if (trim($response) === '') {
                    throw new \InvalidArgumentException('This field is compulsory.');
                }
                return $validator ? $validator($response) : $response;
            };
        }

        $question->setValidator($validator);

        do {
            $answer = $this->helper->ask($this->input, $this->output, $question);
        } while ($this->helpText !== null && $answer === '?');

        if ($this->printAnswer) {
            $this->output->writeln("<info>Your answer: $answer</info>");
            $this->spacer();
        }

        return $answer;

    }
}


1			<?php
2
3
4			namespace TheAentMachine\Question;
5
6			use Symfony\Component\Console\Question\Question as SymfonyQuestion;
7
8			/**
9			* A helper class to easily create questions.
10			*/
11			final class Question extends AbstractQuestion
12			{
13			/** @var bool */
14			private $compulsory = false;
15
16			/** @var callable\|null */
17			private $validator;
18
19			/** @var bool */
20			private $yesNoQuestion = false;
21
22			public function setDefault(string $default): self
23			{
24			$this->default = $default;
25			return $this;
26			}
27
28			public function setHelpText(string $helpText): self
29			{
30			$this->helpText = $helpText;
31			return $this;
32			}
33
34			public function compulsory(): self
35			{
36			$this->compulsory = true;
37			return $this;
38			}
39
40			public function setValidator(callable $validator): self
41			{
42			$this->validator = $validator;
43			return $this;
44			}
45
46			public function yesNoQuestion(): self
47			{
48			$this->yesNoQuestion = true;
49			return $this;
50			}
51
52			public function ask(): string
53			{
54			$text = $this->question;
55			if ($this->helpText) {
56			$text .= ' (? for help)';
57			}
58			if ($this->default) {
59			if (!$this->yesNoQuestion) {
60			$text .= ' [' . $this->default . ']';
61			} elseif ($this->default === 'y') {
62			$text .= ' [Y/n]';
63			} elseif ($this->default === 'n') {
64			$text .= ' [y/N]';
65			} else {
66			throw new \InvalidArgumentException('Default value must be "y" or "n".');
67			}
68			} elseif ($this->yesNoQuestion) {
69			$text .= ' [y/n]';
70			}
71			$text .= ': ';
72
73			$question = new SymfonyQuestion($text, $this->default);
74
75			$validator = $this->validator;
76
77			if ($this->yesNoQuestion) {
78			$validator = function (?string $response) use ($validator) {
79			$response = $response ?? '';
80			$response = \strtolower(trim($response));
81			if (!\in_array($response, ['y', 'n', 'yes', 'no'])) {
82			throw new \InvalidArgumentException('Answer must be "y" or "n"');
83			}
84			$response = \in_array($response, ['y', 'yes']) ? '1' : '';
85			return $validator ? $validator($response) : $response;
86			};
87			}
88
89			if ($this->helpText !== null) {
90			$validator = function (?string $response) use ($validator) {
91			$response = $response ?? '';
92			if (trim($response) === '?') {
93			$this->output->writeln($this->helpText ?: '');
94			return '?';
95			}
96			return $validator ? $validator($response) : $response;
97			};
98			}
99
100			if ($this->compulsory) {
101			$validator = function (?string $response) use ($validator) {
102			$response = $response ?? '';
103			if (trim($response) === '') {
104			throw new \InvalidArgumentException('This field is compulsory.');
105			}
106			return $validator ? $validator($response) : $response;
107			};
108			}
109
110			$question->setValidator($validator);
111
112			do {
113			$answer = $this->helper->ask($this->input, $this->output, $question);
114			} while ($this->helpText !== null && $answer === '?');
115
116			if ($this->printAnswer) {
117			$this->output->writeln("<info>Your answer: $answer</info>");
118			$this->spacer();
119			}
120
121			return $answer;
			0 ignored issues – show Bug Best Practice introduced 2018-07-24 09:56 UTC by Report Bug Copy Issue Report The expression `return $answer` could return the type `null\|boolean` which is incompatible with the type-hinted return `string`. Consider adding an additional type-check to rule them out. Loading history...
122			}
123			}
124

theaentmachine / aent-console

Push — master ( e12660...3459f8 )

Question::ask() F

Complexity

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Duplication

Importance

How to fix Long Method Complexity

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