AbstractRule::setContext() - Code Metrics - Inspection of "Allow travis failure for PHP 5.4" - siriusphp/validation - Measure and Improve Code Quality continuously with Scrutinizer

Completed

Branch — master (b7a0b6)

by Adrian

created 2017-02-24 17:45 UTC

AbstractRule::setContext() B

↳ Parent: AbstractRule

Complexity

Conditions	5
Paths	5

Size

Total Lines	18
Code Lines	10

Duplication

Lines	0
Ratio	0 %

Code Coverage

Tests	11
CRAP Score	5

Importance

Changes

Metric	Value
dl	0
loc	18
ccs	11
cts	11
cp	1
rs	8.8571
c	0
b	0
f	0
cc	5
eloc	10
nc	5
nop	1
crap	5

<?php
namespace Sirius\Validation\Rule;

use Sirius\Validation\DataWrapper\ArrayWrapper;
use Sirius\Validation\DataWrapper\WrapperInterface;
use Sirius\Validation\ErrorMessage;

abstract class AbstractRule
{
    // default error message when there is no LABEL attached
    const MESSAGE = 'Value is not valid';

    // default error message when there is a LABEL attached
    const LABELED_MESSAGE = '{label} is not valid';

    /**
     * The validation context
     * This is the data set that the data being validated belongs to
     * @var \Sirius\Validation\DataWrapper\WrapperInterface
     */
    protected $context;

    /**
     * Options for the validator.
     * Also passed to the error message for customization.
     *
     * @var array
     */
    protected $options = array();

    /**
     * Custom error message template for the validator instance
     * If you don't agree with the default messages that were provided
     *
     * @var string
     */
    protected $messageTemplate;

    /**
     * Result of the last validation
     *
     * @var boolean
     */
    protected $success = false;

    /**
     * Last value validated with the validator.
     * Stored in order to be passed to the errorMessage so that you get error
     * messages like '"abc" is not a valid email'
     *
     * @var mixed
     */
    protected $value;

    /**
     * The error message prototype that will be used to generate the error message
     *
     * @var ErrorMessage
     */
    protected $errorMessagePrototype;

    /**
     * Options map in case the options are passed as list instead of associative array
     * 
     * @var array
     */
    protected $optionsIndexMap = array();

    public function __construct($options = array())
    {
        $options = $this->normalizeOptions($options);
        if (is_array($options) && ! empty($options)) {
            foreach ($options as $k => $v) {
                $this->setOption($k, $v);
            }
        }
    }

    /**
     * Method that parses the option variable and converts it into an array
     * You can pass anything to a validator like:
     * - a query string: 'min=3&max=5'
     * - a JSON string: '{"min":3,"max":5}'
     * - a CSV string: '5,true' (for this scenario the 'optionsIndexMap' property is required)
     *
     * @param mixed $options
     *
     * @return array
     * @throws \InvalidArgumentException
     */
    protected function normalizeOptions($options)
    {
        if (! $options) {
            return array();
        }

        if (is_array($options) && $this->arrayIsAssoc($options)) {
            return $options;
        }

        $result = $options;
        if ($options && is_string($options)) {
            $startChar = substr($options, 0, 1);
            if ($startChar == '{') {
                $result = json_decode($options, true);
            } elseif (strpos($options, '=') !== false) {
                $result = $this->parseHttpQueryString($options);
            } else {
                $result = $this->parseCsvString($options);
            }
        }

        if (! is_array($result)) {
            throw new \InvalidArgumentException('Validator options should be an array, JSON string or query string');
        }

        return $result;
    }

    /**
     * Converts a HTTP query string to an array
     *
     * @param $str
     *
     * @return array
     */
    protected function parseHttpQueryString($str)
    {
        parse_str($str, $arr);

        return $this->convertBooleanStrings($arr);
    }

    /**
     * Converts 'true' and 'false' strings to TRUE and FALSE
     *
     * @param $v
     *
     * @return bool|array
     */
    protected function convertBooleanStrings($v)
    {
        if (is_array($v)) {
            return array_map(array( $this, 'convertBooleanStrings' ), $v);
        }
        if ($v === 'true') {
            return true;
        }
        if ($v === 'false') {
            return false;
        }

        return $v;
    }

    /**
     * Parses a CSV string and converts the result into an "options" array
     * (an associative array that contains the options for the validation rule)
     *
     * @param $str
     *
     * @return array
     */
    protected function parseCsvString($str)
    {
        if (! isset($this->optionsIndexMap) || ! is_array($this->optionsIndexMap) || empty($this->optionsIndexMap)) {
            throw new \InvalidArgumentException(sprintf(
                'Class %s is missing the `optionsIndexMap` property',
                get_class($this)
            ));
        }

        $options = explode(',', $str);
        $result  = array();
        foreach ($options as $k => $v) {
            if (! isset($this->optionsIndexMap[$k])) {
                throw new \InvalidArgumentException(sprintf(
                    'Class %s does not have the index %d configured in the `optionsIndexMap` property',
                    get_class($this),
                    $k
                ));
            }
            $result[$this->optionsIndexMap[$k]] = $v;
        }

        return $this->convertBooleanStrings($result);
    }

    /**
     * Checks if an array is associative (ie: the keys are not numbers in sequence)
     *
     * @param array $arr
     *
     * @return bool
     */
    protected function arrayIsAssoc($arr)
    {
        return array_keys($arr) !== range(0, count($arr));
    }


    /**
     * Generates a unique string to identify the validator.
     * It is used to compare 2 validators so you don't add the same rule twice in a validator object
     *
     * @return string
     */
    public function getUniqueId()
    {
        return get_called_class() . '|' . json_encode(ksort($this->options));
    }

    /**
     * Set an option for the validator.
     *
     * The options are also be passed to the error message.
     *
     * @param string $name
     * @param mixed $value
     *
     * @return \Sirius\Validation\Rule\AbstractRule
     */
    public function setOption($name, $value)
    {
        $this->options[$name] = $value;

        return $this;
    }

    /**
     * Get an option for the validator.
     *
     * @param string $name
     *
     * @return mixed
     */
    public function getOption($name)
    {
        if (isset($this->options[$name])) {
            return $this->options[$name];
        } else {
            return null;
        }
    }

    /**
     * The context of the validator can be used when the validator depends on other values
     * that are not known at the moment the validator is constructed
     * For example, when you need to validate an email field matches another email field,
     * to confirm the email address
     *
     * @param array|object $context
     *
     * @throws \InvalidArgumentException
     * @return \Sirius\Validation\Rule\AbstractRule
     */
    public function setContext($context = null)
    {
        if ($context === null) {
            return $this;
        }
        if (is_array($context)) {
            $context = new ArrayWrapper($context);
        }
        if (! is_object($context) || ! $context instanceof WrapperInterface) {
            throw new \InvalidArgumentException(
                'Validator context must be either an array or an instance 
                of Sirius\Validator\DataWrapper\WrapperInterface'
            );
        }
        $this->context = $context;

        return $this;
    }

    /**
     * Custom message for this validator to used instead of the the default one
     *
     * @param string $messageTemplate
     *
     * @return \Sirius\Validation\Rule\AbstractRule
     */
    public function setMessageTemplate($messageTemplate)
    {
        $this->messageTemplate = $messageTemplate;

        return $this;
    }

    /**
     * Retrieves the error message template (either the global one or the custom message)
     *
     * @return string
     */
    public function getMessageTemplate()
    {
        if ($this->messageTemplate) {
            return $this->messageTemplate;
        }
        if (isset($this->options['label'])) {
            return constant(get_class($this) . '::LABELED_MESSAGE');
        }

        return constant(get_class($this) . '::MESSAGE');
    }

    /**
     * Validates a value
     *
     * @param mixed $value
     * @param null|mixed $valueIdentifier
     *
     * @return mixed
     */
    abstract public function validate($value, $valueIdentifier = null);

    /**
     * Sets the error message prototype that will be used when returning the error message
     * when validation fails.
     * This option can be used when you need translation
     *
     * @param ErrorMessage $errorMessagePrototype
     *
     * @throws \InvalidArgumentException
     * @return \Sirius\Validation\Rule\AbstractRule
     */
    public function setErrorMessagePrototype(ErrorMessage $errorMessagePrototype)
    {
        $this->errorMessagePrototype = $errorMessagePrototype;

        return $this;
    }

    /**
     * Returns the error message prototype.
     * It constructs one if there isn't one.
     *
     * @return ErrorMessage
     */
    public function getErrorMessagePrototype()
    {
        if (! $this->errorMessagePrototype) {
            $this->errorMessagePrototype = new ErrorMessage();
        }

        return $this->errorMessagePrototype;
    }

    /**
     * Retrieve the error message if validation failed
     *
     * @return NULL|\Sirius\Validation\ErrorMessage
     */
    public function getMessage()
    {
        if ($this->success) {
            return null;
        }
        $message = $this->getPotentialMessage();
        $message->setVariables(
            array(
                'value' => $this->value
            )
        );

        return $message;
    }

    /**
     * Retrieve the potential error message.
     * Example: when you do client-side validation you need to access the "potential error message" to be displayed
     *
     * @return ErrorMessage
     */
    public function getPotentialMessage()
    {
        $message = clone ($this->getErrorMessagePrototype());
        $message->setTemplate($this->getMessageTemplate());
        $message->setVariables($this->options);

        return $message;
    }

    /**
     * Method for determining the path to a related item.
     * Eg: for `lines[5][price]` the related item `lines[*][quantity]`
     * has the value identifier as `lines[5][quantity]`
     *
     * @param $valueIdentifier
     * @param $relatedItem
     *
     * @return string|null
     */
    protected function getRelatedValueIdentifier($valueIdentifier, $relatedItem)
    {
        // in case we don't have a related path
        if (strpos($relatedItem, '*') === false) {
            return $relatedItem;
        }

        // lines[*][quantity] is converted to ['lines', '*', 'quantity']
        $relatedItemParts = explode('[', str_replace(']', '', $relatedItem));
        // lines[5][price] is ['lines', '5', 'price']
        $valueIdentifierParts = explode('[', str_replace(']', '', $valueIdentifier));

        if (count($relatedItemParts) !== count($valueIdentifierParts)) {
            return $relatedItem;
        }

        // the result should be ['lines', '5', 'quantity']
        $relatedValueIdentifierParts = array();
        foreach ($relatedItemParts as $index => $part) {
            if ($part === '*' && isset($valueIdentifierParts[$index])) {
                $relatedValueIdentifierParts[] = $valueIdentifierParts[$index];
            } else {
                $relatedValueIdentifierParts[] = $part;
            }
        }

        $relatedValueIdentifier = implode('][', $relatedValueIdentifierParts) . ']';
        $relatedValueIdentifier = str_replace(
            $relatedValueIdentifierParts[0] . ']',
            $relatedValueIdentifierParts[0],
            $relatedValueIdentifier
        );

        return $relatedValueIdentifier;
    }
}


1		<?php
2		namespace Sirius\Validation\Rule;
3
4		use Sirius\Validation\DataWrapper\ArrayWrapper;
5		use Sirius\Validation\DataWrapper\WrapperInterface;
6		use Sirius\Validation\ErrorMessage;
7
8		abstract class AbstractRule
9		{
10		// default error message when there is no LABEL attached
11		const MESSAGE = 'Value is not valid';
12
13		// default error message when there is a LABEL attached
14		const LABELED_MESSAGE = '{label} is not valid';
15
16		/**
17		* The validation context
18		* This is the data set that the data being validated belongs to
19		* @var \Sirius\Validation\DataWrapper\WrapperInterface
20		*/
21		protected $context;
22
23		/**
24		* Options for the validator.
25		* Also passed to the error message for customization.
26		*
27		* @var array
28		*/
29		protected $options = array();
30
31		/**
32		* Custom error message template for the validator instance
33		* If you don't agree with the default messages that were provided
34		*
35		* @var string
36		*/
37		protected $messageTemplate;
38
39		/**
40		* Result of the last validation
41		*
42		* @var boolean
43		*/
44		protected $success = false;
45
46		/**
47		* Last value validated with the validator.
48		* Stored in order to be passed to the errorMessage so that you get error
49		* messages like '"abc" is not a valid email'
50		*
51		* @var mixed
52		*/
53		protected $value;
54
55		/**
56		* The error message prototype that will be used to generate the error message
57		*
58		* @var ErrorMessage
59		*/
60		protected $errorMessagePrototype;
61
62		/**
63		* Options map in case the options are passed as list instead of associative array
64		*
65		* @var array
66		*/
67		protected $optionsIndexMap = array();
68
69	142	public function __construct($options = array())
70		{
71	142	$options = $this->normalizeOptions($options);
72	141	if (is_array($options) && ! empty($options)) {
73	55	foreach ($options as $k => $v) {
74	55	$this->setOption($k, $v);
75	55	}
76	55	}
77	141	}
78
79		/**
80		* Method that parses the option variable and converts it into an array
81		* You can pass anything to a validator like:
82		* - a query string: 'min=3&max=5'
83		* - a JSON string: '{"min":3,"max":5}'
84		* - a CSV string: '5,true' (for this scenario the 'optionsIndexMap' property is required)
85		*
86		* @param mixed $options
87		*
88		* @return array
89		* @throws \InvalidArgumentException
90		*/
91	142	protected function normalizeOptions($options)
92		{
93	142	if (! $options) {
94	100	return array();
95		}
96
97	56	if (is_array($options) && $this->arrayIsAssoc($options)) {
98	45	return $options;
99		}
100
101	12	$result = $options;
102	12	if ($options && is_string($options)) {
103	11	$startChar = substr($options, 0, 1);
104	11	if ($startChar == '{') {
105	7	$result = json_decode($options, true);
106	11	} elseif (strpos($options, '=') !== false) {
107	5	$result = $this->parseHttpQueryString($options);
108	5	} else {
109	1	$result = $this->parseCsvString($options);
110		}
111	11	}
112
113	12	if (! is_array($result)) {
114	1	throw new \InvalidArgumentException('Validator options should be an array, JSON string or query string');
115		}
116
117	11	return $result;
118		}
119
120		/**
121		* Converts a HTTP query string to an array
122		*
123		* @param $str
124		*
125		* @return array
126		*/
127	5	protected function parseHttpQueryString($str)
128		{
129	5	parse_str($str, $arr);
130
131	5	return $this->convertBooleanStrings($arr);
132		}
133
134		/**
135		* Converts 'true' and 'false' strings to TRUE and FALSE
136		*
137		* @param $v
138		*
139		* @return bool\|array
140		*/
141	6	protected function convertBooleanStrings($v)
142		{
143	6	if (is_array($v)) {
144	6	return array_map(array( $this, 'convertBooleanStrings' ), $v);
145		}
146	6	if ($v === 'true') {
147	2	return true;
148		}
149	6	if ($v === 'false') {
150	2	return false;
151		}
152
153	6	return $v;
154		}
155
156		/**
157		* Parses a CSV string and converts the result into an "options" array
158		* (an associative array that contains the options for the validation rule)
159		*
160		* @param $str
161		*
162		* @return array
163		*/
164	1	protected function parseCsvString($str)
165		{
166	1	if (! isset($this->optionsIndexMap) \|\| ! is_array($this->optionsIndexMap) \|\| empty($this->optionsIndexMap)) {
167		throw new \InvalidArgumentException(sprintf(
168		'Class %s is missing the `optionsIndexMap` property',
169		get_class($this)
170		));
171		}
172
173	1	$options = explode(',', $str);
174	1	$result = array();
175	1	foreach ($options as $k => $v) {
176	1	if (! isset($this->optionsIndexMap[$k])) {
177		throw new \InvalidArgumentException(sprintf(
178		'Class %s does not have the index %d configured in the `optionsIndexMap` property',
179		get_class($this),
180		$k
181		));
182		}
183	1	$result[$this->optionsIndexMap[$k]] = $v;
184	1	}
185
186	1	return $this->convertBooleanStrings($result);
187		}
188
189		/**
190		* Checks if an array is associative (ie: the keys are not numbers in sequence)
191		*
192		* @param array $arr
193		*
194		* @return bool
195		*/
196	45	protected function arrayIsAssoc($arr)
197		{
198	45	return array_keys($arr) !== range(0, count($arr));
199		}
200
201
202		/**
203		* Generates a unique string to identify the validator.
204		* It is used to compare 2 validators so you don't add the same rule twice in a validator object
205		*
206		* @return string
207		*/
208	21	public function getUniqueId()
209		{
210	21	return get_called_class() . '\|' . json_encode(ksort($this->options));
211		}
212
213		/**
214		* Set an option for the validator.
215		*
216		* The options are also be passed to the error message.
217		*
218		* @param string $name
219		* @param mixed $value
220		*
221		* @return \Sirius\Validation\Rule\AbstractRule
222		*/
223	96	public function setOption($name, $value)
224		{
225	96	$this->options[$name] = $value;
226
227	96	return $this;
228		}
229
230		/**
231		* Get an option for the validator.
232		*
233		* @param string $name
234		*
235		* @return mixed
236		*/
237	1	public function getOption($name)
238		{
239	1	if (isset($this->options[$name])) {
240	1	return $this->options[$name];
241		} else {
242	1	return null;
243		}
244		}
245
246		/**
247		* The context of the validator can be used when the validator depends on other values
248		* that are not known at the moment the validator is constructed
249		* For example, when you need to validate an email field matches another email field,
250		* to confirm the email address
251		*
252		* @param array\|object $context
253		*
254		* @throws \InvalidArgumentException
255		* @return \Sirius\Validation\Rule\AbstractRule
256		*/
257	36	public function setContext($context = null)
258		{
259	36	if ($context === null) {
260	5	return $this;
261		}
262	31	if (is_array($context)) {
263	3	$context = new ArrayWrapper($context);
264	3	}
265	31	if (! is_object($context) \|\| ! $context instanceof WrapperInterface) {
266	1	throw new \InvalidArgumentException(
267		'Validator context must be either an array or an instance
268		of Sirius\Validator\DataWrapper\WrapperInterface'
269	1	);
270		}
271	30	$this->context = $context;
272
273	30	return $this;
274		}
275
276		/**
277		* Custom message for this validator to used instead of the the default one
278		*
279		* @param string $messageTemplate
280		*
281		* @return \Sirius\Validation\Rule\AbstractRule
282		*/
283	22	public function setMessageTemplate($messageTemplate)
284		{
285	22	$this->messageTemplate = $messageTemplate;
286
287	22	return $this;
288		}
289
290		/**
291		* Retrieves the error message template (either the global one or the custom message)
292		*
293		* @return string
294		*/
295	27	public function getMessageTemplate()
296		{
297	27	if ($this->messageTemplate) {
298	21	return $this->messageTemplate;
299		}
300	8	if (isset($this->options['label'])) {
301	1	return constant(get_class($this) . '::LABELED_MESSAGE');
302		}
303
304	7	return constant(get_class($this) . '::MESSAGE');
305		}
306
307		/**
308		* Validates a value
309		*
310		* @param mixed $value
311		* @param null\|mixed $valueIdentifier
312		*
313		* @return mixed
314		*/
315		abstract public function validate($value, $valueIdentifier = null);
316
317		/**
318		* Sets the error message prototype that will be used when returning the error message
319		* when validation fails.
320		* This option can be used when you need translation
321		*
322		* @param ErrorMessage $errorMessagePrototype
323		*
324		* @throws \InvalidArgumentException
325		* @return \Sirius\Validation\Rule\AbstractRule
326		*/
327	21	public function setErrorMessagePrototype(ErrorMessage $errorMessagePrototype)
328		{
329	21	$this->errorMessagePrototype = $errorMessagePrototype;
330
331	21	return $this;
332		}
333
334		/**
335		* Returns the error message prototype.
336		* It constructs one if there isn't one.
337		*
338		* @return ErrorMessage
339		*/
340	28	public function getErrorMessagePrototype()
341		{
342	28	if (! $this->errorMessagePrototype) {
343	9	$this->errorMessagePrototype = new ErrorMessage();
344	9	}
345
346	28	return $this->errorMessagePrototype;
347		}
348
349		/**
350		* Retrieve the error message if validation failed
351		*
352		* @return NULL\|\Sirius\Validation\ErrorMessage
353		*/
354	23	public function getMessage()
355		{
356	23	if ($this->success) {
357	1	return null;
358		}
359	22	$message = $this->getPotentialMessage();
360	22	$message->setVariables(
361		array(
362	22	'value' => $this->value
363	22	)
364	22	);
365
366	22	return $message;
367		}
368
369		/**
370		* Retrieve the potential error message.
371		* Example: when you do client-side validation you need to access the "potential error message" to be displayed
372		*
373		* @return ErrorMessage
374		*/
375	27	public function getPotentialMessage()
376		{
377	27	$message = clone ($this->getErrorMessagePrototype());
378	27	$message->setTemplate($this->getMessageTemplate());
379	27	$message->setVariables($this->options);
380
381	27	return $message;
382		}
383
384		/**
385		* Method for determining the path to a related item.
386		* Eg: for `lines[5][price]` the related item `lines[*][quantity]`
387		* has the value identifier as `lines[5][quantity]`
388		*
389		* @param $valueIdentifier
390		* @param $relatedItem
391		*
392		* @return string\|null
393		*/
394	11	protected function getRelatedValueIdentifier($valueIdentifier, $relatedItem)
395		{
396		// in case we don't have a related path
397	11	if (strpos($relatedItem, '*') === false) {
398	9	return $relatedItem;
399		}
400
401		// lines[][quantity] is converted to ['lines', '', 'quantity']
402	3	$relatedItemParts = explode('[', str_replace(']', '', $relatedItem));
403		// lines[5][price] is ['lines', '5', 'price']
404	3	$valueIdentifierParts = explode('[', str_replace(']', '', $valueIdentifier));
405
406	3	if (count($relatedItemParts) !== count($valueIdentifierParts)) {
407		return $relatedItem;
408		}
409
410		// the result should be ['lines', '5', 'quantity']
411	3	$relatedValueIdentifierParts = array();
412	3	foreach ($relatedItemParts as $index => $part) {
413	3	if ($part === '*' && isset($valueIdentifierParts[$index])) {
414	3	$relatedValueIdentifierParts[] = $valueIdentifierParts[$index];
415	3	} else {
416	3	$relatedValueIdentifierParts[] = $part;
417		}
418	3	}
419
420	3	$relatedValueIdentifier = implode('][', $relatedValueIdentifierParts) . ']';
421	3	$relatedValueIdentifier = str_replace(
422	3	$relatedValueIdentifierParts[0] . ']',
423	3	$relatedValueIdentifierParts[0],
424		$relatedValueIdentifier
425	3	);
426
427	3	return $relatedValueIdentifier;
428		}
429		}
430

siriusphp / validation

Branch — master (b7a0b6)

AbstractRule::setContext() B

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