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<?php |
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/** |
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* @copyright Copyright (c) Flipbox Digital Limited |
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* @license https://github.com/flipbox/spark/blob/master/LICENSE |
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* @link https://github.com/flipbox/spark |
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*/ |
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namespace flipbox\spark\services\traits; |
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use flipbox\spark\exceptions\ModelNotFoundException; |
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use flipbox\spark\exceptions\RecordNotFoundException; |
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use flipbox\spark\models\Model as BaseModel; |
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use flipbox\spark\records\Record; |
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/** |
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* @author Flipbox Factory <[email protected]> |
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* @since 2.0.0 |
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*/ |
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trait ModelByString |
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{ |
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use Model; |
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/** |
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* @var BaseModel[] |
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*/ |
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protected $cacheByString = []; |
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/** |
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* @return string |
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*/ |
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abstract protected function stringProperty(): string; |
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/** |
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* @param Record $record |
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* @param string|null $toScenario |
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* @return BaseModel |
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*/ |
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abstract protected function findByRecord(Record $record, string $toScenario = null): BaseModel; |
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/** |
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* @param array $config |
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* @param string|null $toScenario |
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* @return BaseModel |
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*/ |
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abstract public function create($config = [], string $toScenario = null): BaseModel; |
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/** |
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* @return string |
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*/ |
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protected function recordStringProperty(): string |
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{ |
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return $this->stringProperty(); |
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} |
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/** |
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* @param BaseModel $model |
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* @return string |
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*/ |
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protected function stringValue(BaseModel $model) |
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{ |
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$property = $this->stringProperty(); |
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return $model->{$property}; |
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} |
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/******************************************* |
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* FIND/GET BY STRING |
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*******************************************/ |
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/** |
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* @param string $string |
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* @param string|null $toScenario |
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* @return BaseModel|null |
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*/ |
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public function findByString(string $string, string $toScenario = null) |
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{ |
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// Check cache |
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if (!$model = $this->findCacheByString($string)) { |
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// Find record in db |
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if ($record = $this->findRecordByString($string)) { |
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$model = $this->findByRecord($record, $toScenario); |
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} else { |
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$this->cacheByString[$string] = null; |
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return null; |
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} |
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} |
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return $model; |
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} |
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/** |
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* @param string $string |
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* @param string|null $toScenario |
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* @return BaseModel|null |
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* @throws ModelNotFoundException |
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*/ |
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public function getByString(string $string, string $toScenario = null): BaseModel |
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{ |
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if (!$model = $this->findByString($string, $toScenario)) { |
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$this->notFoundByStringException($string); |
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} |
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return $model; |
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} |
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/** |
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* @param string $string |
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* @param string|null $toScenario |
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* @return BaseModel|null |
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*/ |
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public function freshFindByString(string $string, string $toScenario = null) |
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{ |
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// Find record in db |
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if (!$record = $this->findRecordByString($string)) { |
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return null; |
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} |
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$model = $this->create($record, $toScenario); |
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return $model; |
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} |
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/** |
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* @param string $string |
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* @param string|null $toScenario |
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* @return BaseModel |
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* @throws ModelNotFoundException |
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*/ |
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public function freshGetByString(string $string, string $toScenario = null): BaseModel |
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{ |
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if (!$model = $this->freshFindByString($string, $toScenario)) { |
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$this->notFoundByStringException($string); |
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} |
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return $model; |
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} |
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/******************************************* |
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* CACHE |
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*******************************************/ |
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/** |
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* Find an existing cache by string |
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* |
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* @param string $string |
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* @return null |
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*/ |
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public function findCacheByString(string $string) |
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{ |
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// Check if already in cache |
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if (!$this->isCachedByString($string)) { |
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return null; |
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} |
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return $this->cacheByString[$string]; |
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} |
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/** |
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* Identify whether in cache by string |
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* |
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* @param string $string |
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* @return bool |
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*/ |
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private function isCachedByString(string $string): bool |
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{ |
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return array_key_exists($string, $this->cacheByString); |
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} |
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/** |
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* @param BaseModel $model |
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* @return static |
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*/ |
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protected function cacheByString(BaseModel $model) |
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{ |
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$stringValue = $this->stringValue($model); |
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if (null === $stringValue) { |
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return $this; |
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} |
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// Check if already in cache |
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if (!$this->isCachedByString($stringValue)) { |
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// Cache it |
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$this->cacheByString[$stringValue] = $model; |
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} |
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return $this; |
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} |
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/** |
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* @param Record $record |
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* @return BaseModel|null |
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*/ |
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protected function findCacheByRecordByString(Record $record) |
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{ |
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$property = $this->recordStringProperty(); |
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$stringValue = $record->{$property}; |
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if ($stringValue === null) { |
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return null; |
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} |
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return $this->findCacheByString($stringValue); |
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} |
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/******************************************* |
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* RECORD BY STRING |
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*******************************************/ |
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/** |
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* @param string $string |
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* @param string|null $toScenario |
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* @return Record|null |
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*/ |
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public function findRecordByString(string $string, string $toScenario = null) |
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{ |
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return $this->findRecordByCondition( |
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[ |
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$this->recordStringProperty() => $string |
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], |
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$toScenario |
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); |
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} |
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/** |
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* @param string $string |
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* @param string|null $toScenario |
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* @throws RecordNotFoundException |
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* @return Record|null |
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*/ |
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public function getRecordByString(string $string, string $toScenario = null) |
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{ |
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if (!$record = $this->findRecordByString($string, $toScenario)) { |
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$this->notFoundRecordByStringException($string); |
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} |
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return $record; |
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} |
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/******************************************* |
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* EXCEPTIONS |
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*******************************************/ |
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/** |
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* @param string|null $string |
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* @throws ModelNotFoundException |
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*/ |
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protected function notFoundByStringException(string $string = null) |
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{ |
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throw new ModelNotFoundException( |
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sprintf( |
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'Model does not exist with the string "%s".', |
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(string)$string |
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) |
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); |
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} |
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/** |
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* @param string|null $string |
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* @throws RecordNotFoundException |
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*/ |
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protected function notFoundRecordByStringException(string $string = null) |
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{ |
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throw new RecordNotFoundException( |
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sprintf( |
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'Record does not exist with the string "%s".', |
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(string)$string |
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) |
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); |
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} |
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} |
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This check looks for function or method calls that always return null and whose return value is assigned to a variable.
The method
getObject()
can return nothing but null, so it makes no sense to assign that value to a variable.The reason is most likely that a function or method is imcomplete or has been reduced for debug purposes.