Completed
Push — master ( 8d2f17...50e551 )
by Jitendra
01:37 queued 01:35
created

Validation::parseOptions()   A

Complexity

Conditions 3
Paths 3

Size

Total Lines 14
Code Lines 7

Duplication

Lines 0
Ratio 0 %

Importance

Changes 0
Metric Value
dl 0
loc 14
rs 9.4285
c 0
b 0
f 0
cc 3
eloc 7
nc 3
nop 1
1
<?php
2
3
namespace PhalconExt\Validation;
4
5
use Phalcon\Validation as BaseValidation;
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6
use Phalcon\Validation\Validator;
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7
use Phalcon\Validation\ValidatorInterface;
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8
use PhalconExt\Validators;
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9
10
/**
11
 * Phalcon Validation with batteries.
12
 *
13
 * @author  Jitendra Adhikari <[email protected]>
14
 * @license MIT
15
 *
16
 * @link    https://github.com/adhocore/phalcon-ext
17
 */
18
class Validation extends BaseValidation
19
{
20
    /** @var array The alias of available validators */
21
    protected $validators = [
22
        'alnum'        => Validator\Alnum::class,
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23
        'alpha'        => Validator\Alpha::class,
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24
        'between'      => Validator\Between::class,
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25
        'confirmation' => Validator\Confirmation::class,
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26
        'creditcard'   => Validator\CreditCard::class,
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27
        'date'         => Validator\Date::class,
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28
        'digit'        => Validator\Digit::class,
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29
        'email'        => Validator\Email::class,
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30
        'not_in'       => Validator\ExclusionIn::class,
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31
        'file'         => Validator\File::class,
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32
        'identical'    => Validator\Identical::class,
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33
        'in'           => Validator\InclusionIn::class,
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34
        'numeric'      => Validator\Numericality::class,
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35
        'required'     => Validator\PresenceOf::class,
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36
        'regex'        => Validator\Regex::class,
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37
        'length'       => Validator\StringLength::class,
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38
        'unique'       => Validator\Uniqueness::class,
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39
        'url'          => Validator\Url::class,
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40
        'exist'        => Existence::class,
41
    ];
42
43
    /** @var array The custom validation callbacks */
44
    protected $callbacks = [];
45
46
    /** @var ValidatorInterface The currently validating Validator. */
47
    protected $validator;
48
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    /**
50
     * Register a custom validation rule.
51
     *
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     * @param string             $ruleName
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     * @param callable|Validator $handler
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     * @param string             $message  Message to use when validation fails
55
     *
56
     * @return Validation $this
57
     */
58
    public function register(string $ruleName, $handler, string $message = ''): self
59
    {
60
        if (isset($this->validators[$ruleName])) {
61
            return $this;
62
        }
63
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        if ($message) {
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            $this->_defaultMessages += [$ruleName => $message];
66
        }
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        $this->validators[$ruleName] = $this->getHandler($ruleName, $handler);
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        return $this;
71
    }
72
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    /**
74
     * Get validation handler description].
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     *
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     * @param string $ruleName
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     * @param mixed  $handler
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     *
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     * @return string
80
     */
81
    protected function getHandler(string $ruleName, $handler)
82
    {
83
        if ($handler instanceof \Closure) {
84
            $handler = \Closure::bind($handler, $this);
85
        }
86
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        if (\is_callable($handler)) {
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            $this->callbacks[$ruleName] = $handler;
89
            $handler                    = Validator\Callback::class;
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90
        }
91
92
        if (!\is_subclass_of($handler, Validator::class)) {
93
            throw new \InvalidArgumentException('Unsupported validation rule: ' . $ruleName);
94
        }
95
96
        return $handler;
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97
    }
98
99
    /**
100
     * Registers multiple custom validation rules at once!
101
     *
102
     * @param array $ruleHandlers ['rule1' => <handler>, ...]
103
     * @param array $messages     ['rule1' => 'message', ...]
104
     *
105
     * @return Validation $this
106
     */
107
    public function registerRules(array $ruleHandlers, array $messages = []): self
108
    {
109
        foreach ($ruleHandlers as $ruleName => $handler) {
110
            $this->register($ruleName, $handler, $messages[$ruleName] ?? '');
111
        }
112
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        return $this;
114
    }
115
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    /**
117
     * Check if the validation passes.
118
     *
119
     * @return bool
120
     */
121
    public function pass(): bool
122
    {
123
        return \count($this->_messages) === 0;
124
    }
125
126
    /**
127
     * Check if the validation fails.
128
     *
129
     * @return bool
130
     */
131
    public function fail(): bool
132
    {
133
        return !$this->pass();
134
    }
135
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    /**
137
     * Get the error messages.
138
     *
139
     * @return array
140
     */
141
    public function getErrorMessages(): array
142
    {
143
        $messages = [];
144
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        foreach ($this->_messages as $message) {
146
            $messages[] = [
147
                'code'    => $message->getCode(),
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                'message' => $message->getMessage(),
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                'field'   => $message->getField(),
150
            ];
151
        }
152
153
        return $messages;
154
    }
155
156
    /**
157
     * Runs a validation with given ruleSet against given arbitrary dataSet.
158
     *
159
     * @param array $ruleSet
160
     * @param array $dataSet
161
     *
162
     * @return Validation $this
163
     */
164
    public function run(array $ruleSet, array $dataSet): Validation
165
    {
166
        $this->addRules($ruleSet, $dataSet, true)->validate($dataSet);
167
168
        return $this;
169
    }
170
171
    /**
172
     * Run the validation rules on data set.
173
     *
174
     * @param array $ruleSet
175
     * @param array $dataSet
176
     * @param bool  $reset   Whether to reset currently registered validators.
177
     *
178
     * @return Validation
179
     */
180
    public function addRules(array $ruleSet, array $dataSet = [], bool $reset = false): Validation
181
    {
182
        if ($reset) {
183
            $this->_messages = $this->_validators = [];
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The property _messages does not exist. Although not strictly required by PHP, it is generally a best practice to declare properties explicitly.
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184
        }
185
186
        foreach ($ruleSet as $attribute => $rules) {
187
            if (\is_string($rules)) {
188
                $rules = $this->parseRules($rules);
189
            }
190
191
            if (!\is_array($rules)) {
192
                throw new \UnexpectedValueException('The rules should be an array or string');
193
            }
194
195
            // Only validate if attribute exists in dataSet when so configured.
196
            if (isset($rules['if_exist']) && !\array_key_exists($attribute, $dataSet)) {
197
                continue;
198
            }
199
200
            unset($rules['if_exist']);
201
            $this->attributeRules($attribute, $rules);
202
        }
203
204
        return $this;
205
    }
206
207
    /**
208
     * Parse string representation of the rules and make it array.
209
     *
210
     * Rule Format: `rule1:key1:value11,value12;key2:value22|rule2:key21:value21|rule3`
211
     *
212
     * @param string $rules Example: 'required|length:min:1;max:2;|in:domain:1,12,30'
213
     *
214
     * @return array
215
     */
216
    protected function parseRules(string $rules): array
217
    {
218
        $parsed = [];
219
220
        foreach (\explode('|', $rules) as $rule) {
221
            if (false === \strpos($rule, ':')) {
222
                $parsed[$rule] = [];
223
                continue;
224
            }
225
226
            list($name, $options) = \explode(':', $rule, 2);
227
            $parsed[$name]        = $this->parseOptions($options);
228
        }
229
230
        return $parsed;
231
    }
232
233
    /**
234
     * Parse rule options.
235
     *
236
     * @param string $options
237
     *
238
     * @return array
239
     */
240
    protected function parseOptions(string $options): array
241
    {
242
        $parsed = [];
243
244
        foreach (\explode(';', $options) as $parts) {
245
            list($key, $value) = \explode(':', $parts) + ['', ''];
246
            if (\strpos($value, ',')) {
247
                $value = \explode(',', $value);
248
            }
249
250
            $parsed[$key] = $value;
251
        }
252
253
        return $parsed;
254
    }
255
256
    /**
257
     * Add all the rules for given attribute to validators list.
258
     *
259
     * @param string $attribute
260
     * @param array  $rules
261
     *
262
     * @return void
263
     */
264
    protected function attributeRules(string $attribute, array $rules)
265
    {
266
        foreach ($rules as $rule => $options) {
267
            if (!isset($this->validators[$rule])) {
268
                throw new \InvalidArgumentException('Unknown validation rule: ' . $rule);
269
            }
270
271
            $validator = $this->validators[$rule];
272
            $options   = (array) $options + [
273
                'callback' => $this->callbacks[$rule] ?? null,
274
                'message'  => $this->_defaultMessages[$rule] ?? null,
275
                '__field'  => $attribute,
276
            ];
277
278
            $this->add($attribute, new $validator($options));
279
        }
280
    }
281
282
    /**
283
     * {@inheritdoc}
284
     */
285
    protected function preChecking($field, ValidatorInterface $validator): bool
286
    {
287
        $this->validator = $validator;
288
289
        return parent::preChecking($field, $validator);
290
    }
291
292
    /**
293
     * Get current value being validated.
294
     *
295
     * @return mixed
296
     */
297
    public function getCurrentValue()
298
    {
299
        return $this->getValue($this->validator->getOption('__field'));
300
    }
301
302
    /**
303
     * Delegate calls to current validator.
304
     *
305
     * @param string $method
306
     * @param mixed  $args
307
     *
308
     * @return mixed
309
     */
310
    public function __call($method, $args)
311
    {
312
        return $this->validator->$method(...$args);
313
    }
314
}
315