Validation::__invoke() - Code Metrics - Inspection of "Merge pull request #37 from DavidePastore/fix-use-..." - DavidePastore/Slim-Validation - Measure and Improve Code Quality continuously with Scrutinizer

Completed

Push — master ( c28d6e...fb506f )

by Davide

created 2018-08-23 23:02 UTC

Validation::__invoke() A

↳ Parent: Validation

Complexity

Conditions	1
Paths	1

Size

Total Lines

Duplication

Lines	0
Ratio	0 %

Code Coverage

Tests	10
CRAP Score	1

Importance

Changes

Metric	Value
dl	0
loc	14
ccs	10
cts	10
cp	1
rs	9.7998
c	0
b	0
f	0
cc	1
nc	1
nop	3
crap	1

<?php

namespace DavidePastore\Slim\Validation;

use Respect\Validation\Exceptions\NestedValidationException;

/**
 * Validation for Slim.
 */
class Validation
{
    /**
     * Validators.
     *
     * @var array
     */
    protected $validators = [];

    /**
     * Options.
     *
     * @var array
     */
    protected $options = [
      'useTemplate' => false,
    ];

    /**
     * The translator to use fro the exception message.
     *
     * @var callable
     */
    protected $translator = null;

    /**
     * Errors from the validation.
     *
     * @var array
     */
    protected $errors = [];

    /**
     * The 'errors' attribute name.
     *
     * @var string
     */
    protected $errors_name = 'errors';

    /**
     * The 'has_error' attribute name.
     *
     * @var string
     */
    protected $has_errors_name = 'has_errors';

    /**
     * The 'validators' attribute name.
     *
     * @var string
     */
    protected $validators_name = 'validators';

    /**
     * The 'translator' attribute name.
     *
     * @var string
     */
    protected $translator_name = 'translator';

    /**
     * Create new Validator service provider.
     *
     * @param null|array|ArrayAccess $validators
     * @param null|callable          $translator
     * @param []|array               $options

     */
    public function __construct($validators = null, $translator = null, $options = [])
    {
        // Set the validators
        if (is_array($validators) || $validators instanceof \ArrayAccess) {
            $this->validators = $validators;
        } elseif (is_null($validators)) {
            $this->validators = [];
        }
        $this->translator = $translator;
        $this->options = array_merge($this->options, $options);
    }

    /**
     * Validation middleware invokable class.
     *
     * @param \Psr\Http\Message\ServerRequestInterface $request  PSR7 request
     * @param \Psr\Http\Message\ResponseInterface      $response PSR7 response
     * @param callable                                 $next     Next middleware
     *
     * @return \Psr\Http\Message\ResponseInterface
     */
    public function __invoke($request, $response, $next)
    {
        $this->errors = [];
        $params = $request->getParams();
        $params = array_merge((array) $request->getAttribute('routeInfo')[2], $params);
        $this->validate($params, $this->validators);

        $request = $request->withAttribute($this->errors_name, $this->getErrors());
        $request = $request->withAttribute($this->has_errors_name, $this->hasErrors());
        $request = $request->withAttribute($this->validators_name, $this->getValidators());
        $request = $request->withAttribute($this->translator_name, $this->getTranslator());

        return $next($request, $response);
    }

    /**
     * Validate the parameters by the given params, validators and actual keys.
     * This method populates the $errors attribute.
     *
     * @param array $params     The array of parameters.
     * @param array $validators The array of validators.
     * @param array $actualKeys An array that will save all the keys of the tree to retrieve the correct value.
     */
    private function validate($params = [], $validators = [], $actualKeys = [])
    {
        //Validate every parameters in the validators array
        foreach ($validators as $key => $validator) {
            $actualKeys[] = $key;
            $param = $this->getNestedParam($params, $actualKeys);
            if (is_array($validator)) {
                $this->validate($params, $validator, $actualKeys);
            } else {
                try {
                    $validator->assert($param);
                } catch (NestedValidationException $exception) {
                    if ($this->translator) {
                        $exception->setParam('translator', $this->translator);
                    }
                    if ($this->options['useTemplate']) {
                        $this->errors[implode('.', $actualKeys)] = [$exception->getMainMessage()];
                    } else {
                        $this->errors[implode('.', $actualKeys)] = $exception->getMessages();
                    }
                }
            }

            //Remove the key added in this foreach
            array_pop($actualKeys);
        }
    }

    /**
     * Get the nested parameter value.
     *
     * @param array $params An array that represents the values of the parameters.
     * @param array $keys   An array that represents the tree of keys to use.
     *
     * @return mixed The nested parameter value by the given params and tree of keys.
     */
    private function getNestedParam($params = [], $keys = [])
    {
        if (empty($keys)) {
            return $params;
        } else {
            $firstKey = array_shift($keys);
            if ($this->isArrayLike($params) && array_key_exists($firstKey, $params)) {
                $params = (array) $params;
                $paramValue = $params[$firstKey];

                return $this->getNestedParam($paramValue, $keys);
            } else {
                return;
            }
        }
    }

    /**
     * Check if the given $params is an array like variable.
     *
     * @param array $params The variable to check.
     *
     * @return boolean Returns true if the given $params parameter is array like.
     */
    private function isArrayLike($params)
    {
        return is_array($params) || $params instanceof \SimpleXMLElement;
    }

    /**
     * Check if there are any errors.
     *
     * @return bool
     */
    public function hasErrors()
    {
        return !empty($this->errors);
    }

    /**
     * Get errors.
     *
     * @return array The errors array.
     */
    public function getErrors()
    {
        return $this->errors;
    }

    /**
     * Get validators.
     *
     * @return array The validators array.
     */
    public function getValidators()
    {
        return $this->validators;
    }

    /**
     * Set validators.
     *
     * @param array $validators The validators array.
     */
    public function setValidators($validators)
    {
        $this->validators = $validators;
    }

    /**
     * Get translator.
     *
     * @return callable The translator.
     */
    public function getTranslator()
    {
        return $this->translator;
    }

    /**
     * Set translator.
     *
     * @param callable $translator The translator.
     */
    public function setTranslator($translator)
    {
        $this->translator = $translator;
    }
}


1		<?php
2
3		namespace DavidePastore\Slim\Validation;
4
5		use Respect\Validation\Exceptions\NestedValidationException;
6
7		/**
8		* Validation for Slim.
9		*/
10		class Validation
11		{
12		/**
13		* Validators.
14		*
15		* @var array
16		*/
17		protected $validators = [];
18
19		/**
20		* Options.
21		*
22		* @var array
23		*/
24		protected $options = [
25		'useTemplate' => false,
26		];
27
28		/**
29		* The translator to use fro the exception message.
30		*
31		* @var callable
32		*/
33		protected $translator = null;
34
35		/**
36		* Errors from the validation.
37		*
38		* @var array
39		*/
40		protected $errors = [];
41
42		/**
43		* The 'errors' attribute name.
44		*
45		* @var string
46		*/
47		protected $errors_name = 'errors';
48
49		/**
50		* The 'has_error' attribute name.
51		*
52		* @var string
53		*/
54		protected $has_errors_name = 'has_errors';
55
56		/**
57		* The 'validators' attribute name.
58		*
59		* @var string
60		*/
61		protected $validators_name = 'validators';
62
63		/**
64		* The 'translator' attribute name.
65		*
66		* @var string
67		*/
68		protected $translator_name = 'translator';
69
70		/**
71		* Create new Validator service provider.
72		*
73		* @param null\|array\|ArrayAccess $validators
74		* @param null\|callable $translator
75		* @param []\|array $options
		0 ignored issues – show Documentation introduced 2017-03-10 16:54 UTC by Report Bug Copy Issue Report The doc-type `[]\|array` could not be parsed: Unknown type name "" at position 0. [(view supported doc-types) This check marks PHPDoc comments that could not be parsed by our parser. To see which comment annotations we can parse, please refer to our documentation on supported doc-types. Loading history...
76		*/
77	26	public function __construct($validators = null, $translator = null, $options = [])
78		{
79		// Set the validators
80	26	if (is_array($validators) \|\| $validators instanceof \ArrayAccess) {
81	25	$this->validators = $validators;
82	1	} elseif (is_null($validators)) {
83	1	$this->validators = [];
84		}
85	26	$this->translator = $translator;
86	26	$this->options = array_merge($this->options, $options);
87	26	}
88
89		/**
90		* Validation middleware invokable class.
91		*
92		* @param \Psr\Http\Message\ServerRequestInterface $request PSR7 request
93		* @param \Psr\Http\Message\ResponseInterface $response PSR7 response
94		* @param callable $next Next middleware
95		*
96		* @return \Psr\Http\Message\ResponseInterface
97		*/
98	26	public function __invoke($request, $response, $next)
99		{
100	26	$this->errors = [];
101	26	$params = $request->getParams();
102	26	$params = array_merge((array) $request->getAttribute('routeInfo')[2], $params);
103	26	$this->validate($params, $this->validators);
104
105	26	$request = $request->withAttribute($this->errors_name, $this->getErrors());
106	26	$request = $request->withAttribute($this->has_errors_name, $this->hasErrors());
107	26	$request = $request->withAttribute($this->validators_name, $this->getValidators());
108	26	$request = $request->withAttribute($this->translator_name, $this->getTranslator());
109
110	26	return $next($request, $response);
111		}
112
113		/**
114		* Validate the parameters by the given params, validators and actual keys.
115		* This method populates the $errors attribute.
116		*
117		* @param array $params The array of parameters.
118		* @param array $validators The array of validators.
119		* @param array $actualKeys An array that will save all the keys of the tree to retrieve the correct value.
120		*/
121	26	private function validate($params = [], $validators = [], $actualKeys = [])
122		{
123		//Validate every parameters in the validators array
124	26	foreach ($validators as $key => $validator) {
125	25	$actualKeys[] = $key;
126	25	$param = $this->getNestedParam($params, $actualKeys);
127	25	if (is_array($validator)) {
128	9	$this->validate($params, $validator, $actualKeys);
129		} else {
130		try {
131	25	$validator->assert($param);
132	15	} catch (NestedValidationException $exception) {
133	15	if ($this->translator) {
134	2	$exception->setParam('translator', $this->translator);
135		}
136	15	if ($this->options['useTemplate']) {
137	1	$this->errors[implode('.', $actualKeys)] = [$exception->getMainMessage()];
138		} else {
139	14	$this->errors[implode('.', $actualKeys)] = $exception->getMessages();
140		}
141		}
142		}
143
144		//Remove the key added in this foreach
145	25	array_pop($actualKeys);
146		}
147	26	}
148
149		/**
150		* Get the nested parameter value.
151		*
152		* @param array $params An array that represents the values of the parameters.
153		* @param array $keys An array that represents the tree of keys to use.
154		*
155		* @return mixed The nested parameter value by the given params and tree of keys.
156		*/
157	25	private function getNestedParam($params = [], $keys = [])
158		{
159	25	if (empty($keys)) {
160	23	return $params;
161		} else {
162	25	$firstKey = array_shift($keys);
163	25	if ($this->isArrayLike($params) && array_key_exists($firstKey, $params)) {
164	23	$params = (array) $params;
165	23	$paramValue = $params[$firstKey];
166
167	23	return $this->getNestedParam($paramValue, $keys);
168		} else {
169	3	return;
170		}
171		}
172		}
173
174		/**
175		* Check if the given $params is an array like variable.
176		*
177		* @param array $params The variable to check.
178		*
179		* @return boolean Returns true if the given $params parameter is array like.
180		*/
181	25	private function isArrayLike($params)
182		{
183	25	return is_array($params) \|\| $params instanceof \SimpleXMLElement;
184		}
185
186		/**
187		* Check if there are any errors.
188		*
189		* @return bool
190		*/
191	26	public function hasErrors()
192		{
193	26	return !empty($this->errors);
194		}
195
196		/**
197		* Get errors.
198		*
199		* @return array The errors array.
200		*/
201	26	public function getErrors()
202		{
203	26	return $this->errors;
204		}
205
206		/**
207		* Get validators.
208		*
209		* @return array The validators array.
210		*/
211	26	public function getValidators()
212		{
213	26	return $this->validators;
214		}
215
216		/**
217		* Set validators.
218		*
219		* @param array $validators The validators array.
220		*/
221	1	public function setValidators($validators)
222		{
223	1	$this->validators = $validators;
224	1	}
225
226		/**
227		* Get translator.
228		*
229		* @return callable The translator.
230		*/
231	26	public function getTranslator()
232		{
233	26	return $this->translator;
234		}
235
236		/**
237		* Set translator.
238		*
239		* @param callable $translator The translator.
240		*/
241	1	public function setTranslator($translator)
242		{
243	1	$this->translator = $translator;
244	1	}
245		}
246

DavidePastore / Slim-Validation

Push — master ( c28d6e...fb506f )

Validation::__invoke() A

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