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<?php |
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namespace GeminiLabs\SiteReviews\Modules\Validator; |
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use BadMethodCallException; |
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use InvalidArgumentException; |
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/** |
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* @see \Illuminate\Validation\Validator (5.3) |
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*/ |
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trait ValidationRules |
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{ |
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/** |
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* Get the size of an attribute. |
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* @param string $attribute |
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* @param mixed $value |
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* @return mixed |
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*/ |
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abstract protected function getSize( $attribute, $value ); |
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/** |
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* Replace all placeholders. |
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* @param string $message |
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* @return string |
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*/ |
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protected function replace( $message, array $parameters ) |
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{ |
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if( strpos( $message, '%s' ) === false ) { |
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return $message; |
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} |
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return preg_replace_callback( '/(%s)/', function() use( &$parameters ) { |
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foreach( $parameters as $key => $value ) { |
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return array_shift( $parameters ); |
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} |
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}, $message ); |
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} |
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/** |
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* Validate that an attribute was "accepted". |
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* This validation rule implies the attribute is "required". |
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* @param string $attribute |
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* @param mixed $value |
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* @return bool |
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*/ |
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public function validateAccepted( $value ) |
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{ |
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$acceptable = ['yes', 'on', '1', 1, true, 'true']; |
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return $this->validateRequired( $value ) && in_array( $value, $acceptable, true ); |
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} |
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/** |
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* Validate the size of an attribute is between a set of values. |
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* @param string $attribute |
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* @param mixed $value |
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* @return bool |
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*/ |
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public function validateBetween( $value, $attribute, array $parameters ) |
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{ |
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$this->requireParameterCount( 2, $parameters, 'between' ); |
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$size = $this->getSize( $attribute, $value ); |
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return $size >= $parameters[0] && $size <= $parameters[1]; |
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} |
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/** |
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* Validate that an attribute is a valid e-mail address. |
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* @param mixed $value |
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* @return bool |
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*/ |
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public function validateEmail( $value ) |
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{ |
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return filter_var( $value, FILTER_VALIDATE_EMAIL ) !== false; |
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} |
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/** |
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* Validate the size of an attribute is less than a maximum value. |
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* @param string $attribute |
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* @param mixed $value |
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* @return bool |
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*/ |
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public function validateMax( $value, $attribute, array $parameters ) |
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{ |
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$this->requireParameterCount( 1, $parameters, 'max' ); |
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return $this->getSize( $attribute, $value ) <= $parameters[0]; |
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} |
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/** |
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* Validate the size of an attribute is greater than a minimum value. |
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* @param string $attribute |
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* @param mixed $value |
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* @return bool |
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*/ |
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public function validateMin( $value, $attribute, array $parameters ) |
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{ |
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$this->requireParameterCount( 1, $parameters, 'min' ); |
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return $this->getSize( $attribute, $value ) >= $parameters[0]; |
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} |
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/** |
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* Validate that an attribute is numeric. |
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* @param mixed $value |
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* @return bool |
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*/ |
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public function validateNumber( $value ) |
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{ |
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return is_numeric( $value ); |
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} |
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/** |
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* Validate that a required attribute exists. |
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* @param mixed $value |
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* @return bool |
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*/ |
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public function validateRequired( $value ) |
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{ |
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return is_null( $value ) |
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|| ( is_string( $value ) && trim( $value ) === '' ) |
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|| ( is_array( $value ) && count( $value ) < 1 ) |
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? false |
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: true; |
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} |
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/** |
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* Require a certain number of parameters to be present. |
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* @param int $count |
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* @param string $rule |
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* @return void |
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* @throws InvalidArgumentException |
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*/ |
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protected function requireParameterCount( $count, array $parameters, $rule ) |
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{ |
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if( count( $parameters ) < $count ) { |
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throw new InvalidArgumentException( "Validation rule $rule requires at least $count parameters." ); |
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} |
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1 |
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} |
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} |
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pryley /
site-reviews
