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<?php |
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namespace ByJG\AnyDataset\Core; |
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use Closure; |
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class RowValidator |
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{ |
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protected $fieldValidator = []; |
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const REQUIRED="required"; |
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const NUMBER="number"; |
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const REGEX="regex"; |
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const CUSTOM="custom"; |
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protected function setProperty($fieldList, $property, $value) |
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{ |
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foreach ((array)$fieldList as $field) { |
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if (!isset($this->fieldValidator[$field])) { |
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$this->fieldValidator[$field] = []; |
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} |
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$this->fieldValidator[$field] = [ $property => $value ]; |
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} |
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} |
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public static function getInstance() |
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{ |
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return new RowValidator(); |
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} |
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public function validate(Row $row) |
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{ |
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$errors = []; |
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foreach ($this->fieldValidator as $field => $properties) { |
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$errors[] = $this->checkRequired($field, $properties, $row->get($field)); |
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$errors[] = $this->checkNumber($field, $properties, $row->get($field)); |
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$errors[] = $this->checkRegex($field, $properties, $row->get($field)); |
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$errors[] = $this->checkCustom($field, $properties, $row->get($field)); |
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} |
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return array_values(array_filter($errors, function($value) { return !empty($value); })); |
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} |
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protected function checkRequired($field, $properties, $value) |
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{ |
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if (isset($properties[self::REQUIRED]) && $properties[self::REQUIRED] && empty($value)) { |
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return "$field is required"; |
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} |
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return null; |
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} |
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protected function checkNumber($field, $properties, $value) |
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{ |
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if (isset($properties[self::NUMBER]) && $properties[self::NUMBER] && !is_numeric($value)) { |
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return "$field needs to be a number"; |
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} |
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return null; |
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} |
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protected function checkRegex($field, $properties, $value) |
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{ |
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if (isset($properties[self::REGEX]) && !empty($properties[self::REGEX]) && !preg_match($properties[self::REGEX], $value)) { |
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return "Regex expression for $field doesn't match"; |
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} |
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return null; |
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} |
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protected function checkCustom($field, $properties, $value) |
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{ |
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$result = null; |
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if (isset($properties[self::CUSTOM]) && $properties[self::CUSTOM] instanceof Closure) { |
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$result = $properties[self::CUSTOM]($value); |
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} |
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return empty($result) ? null : $result; |
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} |
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public function requiredField($field) |
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{ |
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return $this->requiredFields([$field]); |
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} |
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public function requiredFields($fieldList) |
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{ |
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$this->setProperty($fieldList, self::REQUIRED, true); |
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return $this; |
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} |
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public function numericFields($fieldList) |
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{ |
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$this->setProperty($fieldList, self::NUMBER, true); |
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return $this; |
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} |
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public function regexValidation($field, $regEx) |
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{ |
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$this->setProperty($field, self::REGEX, $regEx); |
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return $this; |
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} |
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public function customValidation($field, $closure) |
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{ |
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$this->setProperty($field, self::CUSTOM, $closure); |
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return $this; |
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} |
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} |
byjg /
anydataset
This check looks for parameters that have been defined for a function or method, but which are not used in the method body.