DynamicModel::defineAttributesByValidator() - Code Metrics - Inspection of "Update `LikeCondition::setEscapingReplacements()`..." - rob006/yii2-dev - Measure and Improve Code Quality continuously with Scrutinizer

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by Robert

created 2023-05-09 07:46 UTC

DynamicModel::defineAttributesByValidator() A

↳ Parent: DynamicModel

Complexity

Conditions	3
Paths	3

Size

Total Lines	5
Code Lines	3

Duplication

Lines	0
Ratio	0 %

Code Coverage

Tests	4
CRAP Score	3

Importance

Changes

Metric	Value
cc	3
eloc	3
nc	3
nop	1
dl	0
loc	5
ccs	4
cts	4
cp	1
crap	3
rs	10
c	0
b	0
f	0

<?php
/**
 * @link https://www.yiiframework.com/
 * @copyright Copyright (c) 2008 Yii Software LLC
 * @license https://www.yiiframework.com/license/
 */

namespace yii\base;

use yii\validators\Validator;

/**
 * DynamicModel is a model class that supports defining attributes at run-time (the so-called
 * "dynamic attributes") using its constructor or [[defineAttribute()]]. DynamicModel can be used
 * to support ad hoc data validation.
 *
 * The typical usage of DynamicModel is as follows,
 *
 * ```php
 * public function actionSearch($name, $email)
 * {
 *     $model = DynamicModel::validateData(compact('name', 'email'), [
 *         [['name', 'email'], 'string', 'max' => 128],
 *         ['email', 'email'],
 *     ]);
 *     if ($model->hasErrors()) {
 *         // validation fails
 *     } else {
 *         // validation succeeds
 *     }
 * }
 * ```
 *
 * The above example shows how to validate `$name` and `$email` with the help of DynamicModel.
 * The [[validateData()]] method creates an instance of DynamicModel, defines the attributes
 * using the given data (`name` and `email` in this example), and then calls [[Model::validate()]].
 *
 * You can check the validation result using [[hasErrors()]], like you do with a normal model.
 * You may also access the dynamic attributes defined through the model instance, e.g.,
 * `$model->name` and `$model->email`.
 *
 * Alternatively, you may use the following more "classic" syntax to perform ad-hoc data validation:
 *
 * ```php
 * $model = new DynamicModel(compact('name', 'email'));
 * $model->addRule(['name', 'email'], 'string', ['max' => 128])
 *     ->addRule('email', 'email')
 *     ->validate();
 * ```
 *
 * @author Qiang Xue <[email protected]>
 * @since 2.0
 */
class DynamicModel extends Model
{
    /**
     * @var mixed[] dynamic attribute values (name => value).
     */
    private $_attributes = [];
    /**
     * @var string[] dynamic attribute labels (name => label).
     * Used as form field labels and in validation error messages.
     * @since 2.0.35
     */
    private $_attributeLabels = [];


    /**
     * Constructor.
     * @param array $attributes the attributes (name-value pairs, or names) being defined.
     * @param array $config the configuration array to be applied to this object.
     */
    public function __construct(array $attributes = [], $config = [])
    {
        foreach ($attributes as $name => $value) {
            if (is_int($name)) {
                $this->_attributes[$value] = null;
            } else {
                $this->_attributes[$name] = $value;
            }
        }
        parent::__construct($config);
    }

    /**
     * {@inheritdoc}
     */
    public function __get($name)
    {
        if ($this->hasAttribute($name)) {
            return $this->_attributes[$name];
        }

        return parent::__get($name);
    }

    /**
     * {@inheritdoc}
     */
    public function __set($name, $value)
    {
        if ($this->hasAttribute($name)) {
            $this->_attributes[$name] = $value;
        } else {
            parent::__set($name, $value);
        }
    }

    /**
     * {@inheritdoc}
     */
    public function __isset($name)
    {
        if ($this->hasAttribute($name)) {
            return isset($this->_attributes[$name]);
        }

        return parent::__isset($name);
    }

    /**
     * {@inheritdoc}
     */
    public function __unset($name)
    {
        if ($this->hasAttribute($name)) {
            unset($this->_attributes[$name]);
        } else {
            parent::__unset($name);
        }
    }

    /**
     * {@inheritdoc}
     */
    public function canGetProperty($name, $checkVars = true, $checkBehaviors = true)
    {
        return parent::canGetProperty($name, $checkVars, $checkBehaviors) || $this->hasAttribute($name);
    }

    /**
     * {@inheritdoc}
     */
    public function canSetProperty($name, $checkVars = true, $checkBehaviors = true)
    {
        return parent::canSetProperty($name, $checkVars, $checkBehaviors) || $this->hasAttribute($name);
    }

    /**
     * Returns a value indicating whether the model has an attribute with the specified name.
     * @param string $name the name of the attribute.
     * @return bool whether the model has an attribute with the specified name.
     * @since 2.0.16
     */
    public function hasAttribute($name)
    {
        return array_key_exists($name, $this->_attributes);
    }

    /**
     * Defines an attribute.
     * @param string $name the attribute name.
     * @param mixed $value the attribute value.
     */
    public function defineAttribute($name, $value = null)
    {
        $this->_attributes[$name] = $value;
    }

    /**
     * Undefines an attribute.
     * @param string $name the attribute name.
     */
    public function undefineAttribute($name)
    {
        unset($this->_attributes[$name]);
    }

    /**
     * Adds a validation rule to this model.
     * You can also directly manipulate [[validators]] to add or remove validation rules.
     * This method provides a shortcut.
     * @param string|array $attributes the attribute(s) to be validated by the rule.
     * @param string|Validator|\Closure $validator the validator. This can be either:
     *  * a built-in validator name listed in [[builtInValidators]];
     *  * a method name of the model class;
     *  * an anonymous function;
     *  * a validator class name.
     *  * a Validator.
     * @param array $options the options (name-value pairs) to be applied to the validator.
     * @return $this
     */
    public function addRule($attributes, $validator, $options = [])
    {
        $validators = $this->getValidators();

        if ($validator instanceof Validator) {
            $validator->attributes = (array)$attributes;
        } else {
            $validator = Validator::createValidator($validator, $this, (array)$attributes, $options);
        }

        $validators->append($validator);
        $this->defineAttributesByValidator($validator);

        return $this;
    }

    /**
     * Validates the given data with the specified validation rules.
     * This method will create a DynamicModel instance, populate it with the data to be validated,
     * create the specified validation rules, and then validate the data using these rules.
     * @param array $data the data (name-value pairs) to be validated.
     * @param array $rules the validation rules. Please refer to [[Model::rules()]] on the format of this parameter.
     * @return static the model instance that contains the data being validated.
     * @throws InvalidConfigException if a validation rule is not specified correctly.
     */
    public static function validateData(array $data, $rules = [])
    {
        /* @var $model DynamicModel */
        $model = new static($data);
        if (!empty($rules)) {
            $validators = $model->getValidators();
            foreach ($rules as $rule) {
                if ($rule instanceof Validator) {
                    $validators->append($rule);
                    $model->defineAttributesByValidator($rule);
                } elseif (is_array($rule) && isset($rule[0], $rule[1])) { // attributes, validator type
                    $validator = Validator::createValidator($rule[1], $model, (array)$rule[0], array_slice($rule, 2));
                    $validators->append($validator);
                    $model->defineAttributesByValidator($validator);
                } else {
                    throw new InvalidConfigException('Invalid validation rule: a rule must specify both attribute names and validator type.');
                }
            }
        }

        $model->validate();

        return $model;
    }

    /**
     * Define the attributes that applies to the specified Validator.
     * @param Validator $validator the validator whose attributes are to be defined.
     */
    private function defineAttributesByValidator($validator)
    {
        foreach ($validator->getAttributeNames() as $attribute) {
            if (!$this->hasAttribute($attribute)) {
                $this->defineAttribute($attribute);
            }
        }
    }

    /**
     * {@inheritdoc}
     */
    public function attributes()
    {
        return array_keys($this->_attributes);
    }

    /**
     * Sets the labels for all attributes.
     * @param string[] $labels attribute labels.
     * @return $this
     * @since 2.0.35
     */
    public function setAttributeLabels(array $labels = [])
    {
        $this->_attributeLabels = $labels;

        return $this;
    }

    /**
     * Sets a label for a single attribute.
     * @param string $attribute attribute name.
     * @param string $label attribute label value.
     * @return $this
     * @since 2.0.35
     */
    public function setAttributeLabel($attribute, $label)
    {
        $this->_attributeLabels[$attribute] = $label;

        return $this;
    }

    /**
     * {@inheritdoc}
     */
    public function attributeLabels()
    {
        return $this->_attributeLabels;
    }
}


1		<?php
2		/**
3		* @link https://www.yiiframework.com/
4		* @copyright Copyright (c) 2008 Yii Software LLC
5		* @license https://www.yiiframework.com/license/
6		*/
7
8		namespace yii\base;
9
10		use yii\validators\Validator;
11
12		/**
13		* DynamicModel is a model class that supports defining attributes at run-time (the so-called
14		* "dynamic attributes") using its constructor or [[defineAttribute()]]. DynamicModel can be used
15		* to support ad hoc data validation.
16		*
17		* The typical usage of DynamicModel is as follows,
18		*
19		* ```php
20		* public function actionSearch($name, $email)
21		* {
22		* $model = DynamicModel::validateData(compact('name', 'email'), [
23		* [['name', 'email'], 'string', 'max' => 128],
24		* ['email', 'email'],
25		* ]);
26		* if ($model->hasErrors()) {
27		* // validation fails
28		* } else {
29		* // validation succeeds
30		* }
31		* }
32		* ```
33		*
34		* The above example shows how to validate `$name` and `$email` with the help of DynamicModel.
35		* The [[validateData()]] method creates an instance of DynamicModel, defines the attributes
36		* using the given data (`name` and `email` in this example), and then calls [[Model::validate()]].
37		*
38		* You can check the validation result using [[hasErrors()]], like you do with a normal model.
39		* You may also access the dynamic attributes defined through the model instance, e.g.,
40		* `$model->name` and `$model->email`.
41		*
42		* Alternatively, you may use the following more "classic" syntax to perform ad-hoc data validation:
43		*
44		* ```php
45		* $model = new DynamicModel(compact('name', 'email'));
46		* $model->addRule(['name', 'email'], 'string', ['max' => 128])
47		* ->addRule('email', 'email')
48		* ->validate();
49		* ```
50		*
51		* @author Qiang Xue <[email protected]>
52		* @since 2.0
53		*/
54		class DynamicModel extends Model
55		{
56		/**
57		* @var mixed[] dynamic attribute values (name => value).
58		*/
59		private $_attributes = [];
60		/**
61		* @var string[] dynamic attribute labels (name => label).
62		* Used as form field labels and in validation error messages.
63		* @since 2.0.35
64		*/
65		private $_attributeLabels = [];
66
67
68		/**
69		* Constructor.
70		* @param array $attributes the attributes (name-value pairs, or names) being defined.
71		* @param array $config the configuration array to be applied to this object.
72		*/
73	169	public function __construct(array $attributes = [], $config = [])
74		{
75	169	foreach ($attributes as $name => $value) {
76	102	if (is_int($name)) {
77	42	$this->_attributes[$value] = null;
78		} else {
79	60	$this->_attributes[$name] = $value;
80		}
81		}
82	169	parent::__construct($config);
83	169	}
84
85		/**
86		* {@inheritdoc}
87		*/
88	106	public function __get($name)
89		{
90	106	if ($this->hasAttribute($name)) {
91	105	return $this->_attributes[$name];
92		}
93
94	2	return parent::__get($name);
95		}
96
97		/**
98		* {@inheritdoc}
99		*/
100	61	public function __set($name, $value)
101		{
102	61	if ($this->hasAttribute($name)) {
103	61	$this->_attributes[$name] = $value;
104		} else {
105		parent::__set($name, $value);
106		}
107	61	}
108
109		/**
110		* {@inheritdoc}
111		*/
112		public function __isset($name)
113		{
114		if ($this->hasAttribute($name)) {
115		return isset($this->_attributes[$name]);
116		}
117
118		return parent::__isset($name);
119		}
120
121		/**
122		* {@inheritdoc}
123		*/
124		public function __unset($name)
125		{
126		if ($this->hasAttribute($name)) {
127		unset($this->_attributes[$name]);
128		} else {
129		parent::__unset($name);
130		}
131		}
132
133		/**
134		* {@inheritdoc}
135		*/
136	1	public function canGetProperty($name, $checkVars = true, $checkBehaviors = true)
137		{
138	1	return parent::canGetProperty($name, $checkVars, $checkBehaviors) \|\| $this->hasAttribute($name);
139		}
140
141		/**
142		* {@inheritdoc}
143		*/
144	1	public function canSetProperty($name, $checkVars = true, $checkBehaviors = true)
145		{
146	1	return parent::canSetProperty($name, $checkVars, $checkBehaviors) \|\| $this->hasAttribute($name);
147		}
148
149		/**
150		* Returns a value indicating whether the model has an attribute with the specified name.
151		* @param string $name the name of the attribute.
152		* @return bool whether the model has an attribute with the specified name.
153		* @since 2.0.16
154		*/
155	137	public function hasAttribute($name)
156		{
157	137	return array_key_exists($name, $this->_attributes);
158		}
159
160		/**
161		* Defines an attribute.
162		* @param string $name the attribute name.
163		* @param mixed $value the attribute value.
164		*/
165	80	public function defineAttribute($name, $value = null)
166		{
167	80	$this->_attributes[$name] = $value;
168	80	}
169
170		/**
171		* Undefines an attribute.
172		* @param string $name the attribute name.
173		*/
174		public function undefineAttribute($name)
175		{
176		unset($this->_attributes[$name]);
177		}
178
179		/**
180		* Adds a validation rule to this model.
181		* You can also directly manipulate [[validators]] to add or remove validation rules.
182		* This method provides a shortcut.
183		* @param string\|array $attributes the attribute(s) to be validated by the rule.
184		* @param string\|Validator\|\Closure $validator the validator. This can be either:
185		* * a built-in validator name listed in [[builtInValidators]];
186		* * a method name of the model class;
187		* * an anonymous function;
188		* * a validator class name.
189		* * a Validator.
190		* @param array $options the options (name-value pairs) to be applied to the validator.
191		* @return $this
192		*/
193	68	public function addRule($attributes, $validator, $options = [])
194		{
195	68	$validators = $this->getValidators();
196
197	68	if ($validator instanceof Validator) {
198	12	$validator->attributes = (array)$attributes;
199		} else {
200	57	$validator = Validator::createValidator($validator, $this, (array)$attributes, $options);
201		}
202
203	68	$validators->append($validator);
204	68	$this->defineAttributesByValidator($validator);
205
206	68	return $this;
207		}
208
209		/**
210		* Validates the given data with the specified validation rules.
211		* This method will create a DynamicModel instance, populate it with the data to be validated,
212		* create the specified validation rules, and then validate the data using these rules.
213		* @param array $data the data (name-value pairs) to be validated.
214		* @param array $rules the validation rules. Please refer to [[Model::rules()]] on the format of this parameter.
215		* @return static the model instance that contains the data being validated.
216		* @throws InvalidConfigException if a validation rule is not specified correctly.
217		*/
218	2	public static function validateData(array $data, $rules = [])
219		{
220		/* @var $model DynamicModel */
221	2	$model = new static($data);
222	2	if (!empty($rules)) {
223	2	$validators = $model->getValidators();
224	2	foreach ($rules as $rule) {
225	2	if ($rule instanceof Validator) {
226		$validators->append($rule);
227		$model->defineAttributesByValidator($rule);
228	2	} elseif (is_array($rule) && isset($rule[0], $rule[1])) { // attributes, validator type
229	2	$validator = Validator::createValidator($rule[1], $model, (array)$rule[0], array_slice($rule, 2));
230	2	$validators->append($validator);
231	2	$model->defineAttributesByValidator($validator);
232		} else {
233		throw new InvalidConfigException('Invalid validation rule: a rule must specify both attribute names and validator type.');
234		}
235		}
236		}
237
238	2	$model->validate();
239
240	2	return $model;
241		}
242
243		/**
244		* Define the attributes that applies to the specified Validator.
245		* @param Validator $validator the validator whose attributes are to be defined.
246		*/
247	70	private function defineAttributesByValidator($validator)
248		{
249	70	foreach ($validator->getAttributeNames() as $attribute) {
250	70	if (!$this->hasAttribute($attribute)) {
251	2	$this->defineAttribute($attribute);
252		}
253		}
254	70	}
255
256		/**
257		* {@inheritdoc}
258		*/
259	4	public function attributes()
260		{
261	4	return array_keys($this->_attributes);
262		}
263
264		/**
265		* Sets the labels for all attributes.
266		* @param string[] $labels attribute labels.
267		* @return $this
268		* @since 2.0.35
269		*/
270	12	public function setAttributeLabels(array $labels = [])
271		{
272	12	$this->_attributeLabels = $labels;
273
274	12	return $this;
275		}
276
277		/**
278		* Sets a label for a single attribute.
279		* @param string $attribute attribute name.
280		* @param string $label attribute label value.
281		* @return $this
282		* @since 2.0.35
283		*/
284		public function setAttributeLabel($attribute, $label)
285		{
286		$this->_attributeLabels[$attribute] = $label;
287
288		return $this;
289		}
290
291		/**
292		* {@inheritdoc}
293		*/
294	39	public function attributeLabels()
295		{
296	39	return $this->_attributeLabels;
297		}
298		}
299

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DynamicModel::defineAttributesByValidator() A

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