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<?php |
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|
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namespace FluentForm\App\Services\Parser; |
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|
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use FluentForm\App\Services\ConditionAssesor; |
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use FluentForm\Framework\Helpers\ArrayHelper as Arr; |
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|
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class Validations |
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{ |
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/** |
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* Form fields that were defined when the form was created. |
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* |
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* @var array |
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*/ |
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protected $fields; |
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|
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/** |
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* Form inputs that were submited by the user. |
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* |
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* @var array |
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*/ |
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protected $inputs; |
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|
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/** |
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* The current field accessor of the fields' iteration. |
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* |
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* @var string |
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*/ |
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protected $accessor; |
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|
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/** |
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* The repeater field settings. It is being set if the |
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* field in iteration is indeed a repeater field. |
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* |
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* @var array |
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*/ |
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protected $repeater = [ |
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'status' => false, |
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'attribute' => '', |
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'length' => 0, |
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'rule' => '' |
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]; |
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|
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/** |
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* The extracted validation rules. |
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* |
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* @var array |
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*/ |
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protected $rules = []; |
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|
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/** |
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* The extracted validation messages. |
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* |
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* @var array |
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*/ |
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protected $messages = []; |
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|
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/** |
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* The validation extractor constructor. |
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* |
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* @param array $formFields |
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* @param array $formData |
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*/ |
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public function __construct($formFields = [], $formData = []) |
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{ |
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$this->fields = $formFields; |
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$this->inputs = $formData; |
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} |
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|
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/** |
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* Get the extracted validation rules and messages. |
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* |
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* @return array |
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*/ |
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public function get() |
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{ |
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foreach ($this->fields as $fieldName => $field) { |
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/* |
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* todo: isApplicable has some issue for radio / checkbox $applicable getting false |
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* even it's required! |
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*/ |
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$applicable = $this->setFieldAccessor($fieldName)->isApplicable($field); |
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|
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if ($applicable) { |
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$fieldValue = $this->getFieldValue(); |
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|
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$rules = (array) $field['rules']; |
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|
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$hasRequiredRule = Arr::get($rules, 'required.value'); |
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|
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// If the field is a repeater we'll set some settings here. |
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$this->setRepeater($fieldName, $field); |
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|
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foreach ($rules as $ruleName => $rule) { |
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if ($this->shouldNotSkipThisRule($rule, $fieldValue, $hasRequiredRule)) { |
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$this->prepareValidations($fieldName, $ruleName, $rule); |
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} |
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} |
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} |
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} |
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|
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|
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return [$this->rules, $this->messages]; |
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} |
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|
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/** |
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* Set the field accessor by replacing the `[]`, `*` by `.` |
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* so that dot notation can be used to access the inputs. |
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* |
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* @param string $fieldName |
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* @return $this |
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*/ |
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protected function setFieldAccessor($fieldName) |
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{ |
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$this->accessor = rtrim(str_replace(['[', ']', '*'], ['.'], $fieldName), '.'); |
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|
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return $this; |
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} |
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|
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/** |
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* Determines if the field is applicable for extracting validations. |
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* |
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* @param array $field |
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* @return boolean |
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*/ |
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protected function isApplicable($field) |
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{ |
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// We need to evaluate if this field should be used to validate |
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// the form data because it's possible that this field ain't |
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// even present in the form data or it has conditional |
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// logics that dictates it's presence in the rules. |
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|
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// NOTE: Previous code by Arif |
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return Arr::has( |
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$this->inputs, $this->accessor |
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) && ConditionAssesor::evaluate( |
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$field, $this->inputs |
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); |
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} |
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|
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/** |
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* Get the field value from the form data. |
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* |
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* @return mixed |
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*/ |
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protected function getFieldValue() |
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{ |
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return Arr::get($this->inputs, $this->accessor); |
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} |
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|
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/** |
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* Set the repeater settings if the field in |
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* iteration is indeed a repeater field. |
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* |
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* @param string $fieldName |
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* @param array $field |
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* @return $this |
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*/ |
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protected function setRepeater($fieldName, $field) |
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{ |
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$isRepeater = Arr::get($field, 'element') === 'input_repeat' || Arr::get($field, 'element') == 'repeater_field'; |
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|
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if ($isRepeater) { |
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$attribute = Arr::get($field, 'attributes.name'); |
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$length = isset($attribute[0]) ? count($attribute[0]) : 0; |
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$this->repeater = [ |
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'status' => $isRepeater, |
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'attribute' => $attribute, |
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'length' => $length, |
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'rule' => rtrim($fieldName, '.*') |
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]; |
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} else { |
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$this->repeater['status'] = $isRepeater; |
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} |
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|
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return $this; |
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} |
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|
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/** |
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* Determines if the iteration should skip this rule or not. |
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* |
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* @param array $rule |
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* @return boolean |
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*/ |
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protected function shouldNotSkipThisRule($rule, $fieldValue, $hasRequiredRule) |
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{ |
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// If the rule is enabled and the field is not empty and |
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// it does have at least one required rule then we |
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// should validate it for other rules. Else, we |
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// will skip this rule meaning enabling empty |
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// submission for this field. |
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return $rule['value'] && !($fieldValue === '' && !$hasRequiredRule); |
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} |
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|
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/** |
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* Prepare the validation extraction. |
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* |
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* @param string $fieldName |
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* @param string $ruleName |
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* @param array $rule |
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*/ |
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protected function prepareValidations($fieldName, $ruleName, $rule) |
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{ |
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$logic = $this->getLogic($ruleName, $rule); |
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|
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if ($this->repeater['status']) { |
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for ($i = 0; $i < $this->repeater['length']; $i++) { |
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// We need to modify the field name for repeater field. |
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$fieldName = $this->repeater['rule'].'['.$i.']'; |
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|
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$this->setValidations($fieldName, $ruleName, $rule, $logic); |
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} |
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} else { |
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$this->setValidations($fieldName, $ruleName, $rule, $logic); |
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} |
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} |
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|
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/** |
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* Set the validation rules & messages |
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* |
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* @param string $fieldName |
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* @param string $ruleName |
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* @param array $rule |
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* @param string $logic |
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*/ |
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protected function setValidations($fieldName, $ruleName, $rule, $logic) |
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{ |
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// if there is already a rule for this field we need to |
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// concat current rule to it. else assign current rule. |
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$this->rules[$fieldName] = isset($this->rules[$fieldName]) ? |
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$this->rules[$fieldName].'|'.$logic : $logic; |
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|
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$this->messages[$fieldName.'.'.$ruleName] = $rule['message']; |
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} |
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|
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/** |
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* Get the logic name for the current rule. |
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* |
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* @param string $ruleName |
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* @param array $rule |
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* @return string |
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*/ |
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protected function getLogic($ruleName, $rule) |
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{ |
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// The file type input has rule values in an array. For |
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// that we are taking arrays into consideration. |
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$ruleValue = is_array($rule['value']) ? |
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implode(',', array_filter(array_values(str_replace('|', ',', $rule['value'])))) : |
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$rule['value']; |
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|
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return $ruleName.':'.$ruleValue; |
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} |
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} |
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|
