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<?php |
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namespace SleepingOwl\Admin\Form\Related; |
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use Validator; |
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trait HasUniqueValidation |
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{ |
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protected $unique; |
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/** |
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* Columns, that should be unique. |
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* |
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* @param array $columns |
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* @param string|null $message |
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* |
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* @return static |
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*/ |
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public function unique(array $columns, $message = null) |
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{ |
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$this->initializeUniqueValidator($message); |
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$this->unique = $columns; |
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return $this; |
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} |
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protected function initializeUniqueValidator($message = null) |
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{ |
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Validator::extendImplicit('unique_related', function () { |
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return false; |
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}, $message); |
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} |
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public function getValidationRules() |
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{ |
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$this->addUniqueValidation(); |
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return parent::getValidationRules(); |
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} |
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protected function addUniqueValidation() |
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{ |
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if (count((array) $this->unique) > 0) { |
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$pairs = []; |
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$parameters = array_unique(array_merge([ |
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$mainKey = $this->getModel()->getForeignKey(), |
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], $this->unique)); |
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$errorColumns = array_filter($parameters, function ($param) use ($mainKey) { |
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return $param !== $mainKey; |
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}); |
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$relations = (array) request($this->relationName); |
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foreach ($relations as $index => $relation) { |
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$relation[$mainKey] = $this->getModel()->getKey(); |
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$key = $this->getCompositeKey($relation, (array) $parameters); |
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if (array_key_exists($key, $pairs)) { |
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foreach ($errorColumns as $column) { |
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$this->validationRules[$this->relationName.'.'.$index.'.'.$column] = 'unique_related'; |
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} |
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} else { |
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$pairs[$key] = true; |
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} |
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} |
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} |
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} |
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} |
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LaravelRUS /
SleepingOwlAdmin
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