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Merge pull request #183 from vlucas/mapFieldRules

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Map field rules
This commit is contained in:
Willem Wollebrants 2017-02-09 20:49:39 +01:00 committed by GitHub
commit 79de211bdf
3 changed files with 177 additions and 0 deletions
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26
README.md
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@ -274,6 +274,31 @@ $v->rule('min', 'bar', 0);
$v->validate(); $v->validate();
``` ```
You can also add rules on a per-field basis:
```php
$rules = [
'required',
['lengthMin', 4]
];
$v = new Valitron\Validator(array('foo' => 'bar'));
$v->mapFieldRules('foo', $rules);
$v->validate();
```
Or for multiple fields at once:
```php
$rules = [
'foo' => ['required', 'integer'],
'bar'=>['email', ['lengthMin', 4]]
];
$v = new Valitron\Validator(array('foo' => 'bar', 'bar' => 'mail@example.com));
$v->mapFieldsRules($rules);
$v->validate();
```
## Adding field label to messages ## Adding field label to messages
You can do this in two different ways, you can add a individual label to a rule or an array of all labels for the rules. You can do this in two different ways, you can add a individual label to a rule or an array of all labels for the rules.
@ -308,6 +333,7 @@ $v->validate();
This introduces a new set of tags to your error language file which looks like `{field}`, if you are using a rule like `equals` you can access the second value in the language file by incrementing the field with a value like `{field1}`. This introduces a new set of tags to your error language file which looks like `{field}`, if you are using a rule like `equals` you can access the second value in the language file by incrementing the field with a value like `{field1}`.
## Re-use of validation rules ## Re-use of validation rules
You can re-use your validation rules to quickly validate different data with the same rules by using the withData method: You can re-use your validation rules to quickly validate different data with the same rules by using the withData method:

43
src/Valitron/Validator.php
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@ -1208,4 +1208,47 @@ class Validator
$clone->_errors = array(); $clone->_errors = array();
return $clone; return $clone;
} }
/**
* Convenience method to add validation rule(s) by field
*
* @param string field_name
* @param array $rules
*/
public function mapFieldRules($field_name, $rules){
$me = $this;
array_map(function($rule) use($field_name, $me){
//rule must be an array
$rule = (array)$rule;
//First element is the name of the rule
$rule_name = array_shift($rule);
//find a custom message, if any
$message = null;
if (isset($rule['message'])){
$message = $rule['message'];
unset($rule['message']);
}
//Add the field and additional parameters to the rule
$added = call_user_func_array(array($me, 'rule'), array_merge(array($rule_name, $field_name), $rule));
if (! empty($message)){
$added->message($message);
}
}, (array) $rules);
}
/**
* Convenience method to add validation rule(s) for multiple fields
*
* @param array $rules
*/
public function mapFieldsRules($rules){
$me = $this;
array_map(function($field_name) use($rules, $me){
$me->mapFieldRules($field_name, $rules[$field_name]);
}, array_keys($rules));
}
} }

108
tests/Valitron/MapRulesTest.php Normal file
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@ -0,0 +1,108 @@
<?php
use Valitron\Validator;
class MapRulesTest extends BaseTestCase
{
public function testMapSingleFieldRules()
{
$rules = array(
'required',
array('lengthMin', 4)
);
$v = new Validator(array());
$v->mapFieldRules('myField', $rules);
$this->assertFalse($v->validate());
$this->assertEquals(2, sizeof($v->errors('myField')));
$v2 = new Validator(array('myField' => 'myVal'));
$v2->mapFieldRules('myField', $rules);
$this->assertTrue($v2->validate());
}
public function testSingleFieldDot()
{
$v = new Valitron\Validator(array(
'settings' => array(
array('threshold' => 50),
array('threshold' => 90)
)
));
$v->mapFieldRules('settings.*.threshold', array(
array('max', 50)
));
$this->assertFalse($v->validate());
}
public function testMapMultipleFieldsRules()
{
$rules = array(
'myField1' => array(
'required',
array('lengthMin', 4)
),
'myField2' => array(
'required',
array('lengthMin', 5)
)
);
$v = new Validator(array(
'myField1' => 'myVal'
));
$v->mapFieldsRules($rules);
$this->assertFalse($v->validate());
$this->assertFalse($v->errors('myField1'));
$this->assertEquals(2, sizeof($v->errors('myField2')));
}
public function testCustomMessageSingleField()
{
$rules = array(
array('lengthMin', 14, 'message' => 'My Custom Error')
);
$v = new Validator(array(
'myField' => 'myVal'
));
$v->mapFieldRules('myField', $rules);
$this->assertFalse($v->validate());
$errors = $v->errors('myField');
$this->assertEquals('My Custom Error', $errors[0]);
}
public function testCustomMessageMultipleFields()
{
$rules = array(
'myField1' => array(
array('lengthMin', 14, 'message'=>'My Custom Error 1')
),
'myField2' => array(
array('lengthMin', 14, 'message'=>'My Custom Error 2')
)
);
$v = new Validator(array(
'myField1' => 'myVal',
'myField2' => 'myVal',
));
$v->mapFieldsRules($rules);
$this->assertFalse($v->validate());
$errors1 = $v->errors('myField1');
$this->assertEquals('My Custom Error 1', $errors1[0]);
$errors2 = $v->errors('myField2');
$this->assertEquals('My Custom Error 2', $errors2[0]);
}
}