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<?php |
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/** |
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* Created by PhpStorm. |
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* User: execut |
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* Date: 10/4/16 |
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* Time: 4:14 PM |
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*/ |
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namespace execut\import\components\parser; |
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use execut\import\components\parser\exception\MoreThanOne; |
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use execut\import\components\parser\exception\NotFoundRecord; |
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use execut\import\Query; |
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use yii\base\Component; |
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use yii\helpers\Json; |
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class ModelsFinder extends Component |
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{ |
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public $isCreateAlways = false; |
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public $isUpdateAlways = false; |
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public $isCreateNotExisted = false; |
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public $attributes = null; |
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static $cache = []; |
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public $query = null; |
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public $prepareQuery = null; |
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public $advancedSearch = null; |
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public $asArray = false; |
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/** |
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* @var Stack |
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*/ |
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public $stack = null; |
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protected function findModelFromCache() { |
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if ($model = $this->getCache()) { |
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return $model; |
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} else { |
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$model = new $this->query->modelClass; |
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$this->setCache($model); |
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} |
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return $model; |
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} |
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public function getCache() { |
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$key = $this->getCacheKey(false); |
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$subKey = $this->getCacheKey(); |
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if (isset(self::$cache[$key]) && isset(self::$cache[$key][$subKey])) { |
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return self::$cache[$key][$subKey]; |
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} |
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} |
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public function setCache($model, $subKey = null) { |
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$key = $this->getCacheKey(false); |
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if ($subKey === null) { |
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$subKey = $this->getCacheKey(); |
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} |
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if (!isset(self::$cache[$key])) { |
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self::$cache[$key] = []; |
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} |
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self::$cache[$key][$subKey] = $model; |
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} |
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public function findModelNew() { |
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if (!isset(self::$cache[$this->getCacheKey(false)])) { |
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$this->initCache(); |
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} |
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$result = new Result(); |
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$model = $this->findModelFromCache(); |
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$model->attributes = $this->getAttributesValues(); |
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$result->addModel($model); |
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return $result; |
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} |
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public function findModel() { |
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$cacheKey = $this->getCacheKey(); |
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if (isset(self::$cache[$cacheKey])) { |
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return self::$cache[$cacheKey]; |
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} |
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if (count(self::$cache) > 10000) { |
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echo 'clean(' . count(self::$cache) . ')'; |
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self::$cache = array_splice(self::$cache, -3000); |
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} |
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$q = $this->query; |
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$q = clone $q; |
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$modelClass = $q->modelClass; |
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$result = new Result(); |
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$attributesValues = $this->getAttributesValues(); |
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if ($this->isCreateAlways) { |
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$model = new $modelClass; |
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$result->addModel($model); |
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} else { |
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$attributeForSearch = $this->getAttributesForSearch(); |
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if ($q instanceof Query) { |
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$q->byImportAttributes($attributeForSearch); |
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} else { |
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$q->andWhere($attributeForSearch); |
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} |
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if ($this->prepareQuery !== null) { |
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$callback = $this->prepareQuery; |
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$q = $callback($q, $result, $this->stack); |
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} |
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if ($this->advancedSearch !== null) { |
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$callback = $this->advancedSearch; |
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$models = $callback($q, $result, $this->stack); |
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} else { |
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$models = $q->all(); |
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} |
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if (count($models) > 1) { |
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$exception = new MoreThanOne(); |
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$exception->modelClass = $modelClass; |
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$exception->attributes = $attributesValues; |
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throw $exception; |
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} |
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if (count($models) == 1) { |
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$model = current($models); |
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if ($this->isUpdateAlways) { |
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$model->attributes = $attributesValues; |
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} |
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$result->addModel($model); |
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return self::$cache[$cacheKey] = $result; |
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} else if ($this->isCreateNotExisted) { |
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$model = new $modelClass; |
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$result->addModel($model); |
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} else { |
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$exception = new NotFoundRecord(); |
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$exception->modelClass = $modelClass; |
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$exception->attributes = $attributesValues; |
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throw $exception; |
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} |
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} |
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$model->attributes = $attributesValues; |
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return self::$cache[$cacheKey] = $result; |
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} |
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/** |
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* @return array |
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*/ |
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protected function getAttributesForSearch(): array |
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{ |
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$attributes = $this->getAttributes(); |
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$attributeForSearch = []; |
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foreach ($attributes as $attribute) { |
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if ($attribute->isForSearchQuery) { |
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$attributeForSearch[$attribute->key] = $attribute->value; |
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} |
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} |
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return $attributeForSearch; |
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} |
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/** |
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* @return array |
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*/ |
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protected function getAttributesValues(): array |
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{ |
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$attributesValues = []; |
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$attributes = $this->getAttributes(); |
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foreach ($attributes as $attribute) { |
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$attributesValues[$attribute->key] = $attribute->value; |
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} |
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return $attributesValues; |
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} |
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/** |
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* @param $row |
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* @return array |
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*/ |
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protected function getAttributes(): array |
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{ |
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return $this->attributes; |
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} |
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protected function initCache(): void |
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{ |
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$attributesNames = $this->getSearchAttributesNames(); |
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$stack = $this->stack; |
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$rows = $stack->rows; |
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$findPairs = []; |
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foreach ($rows as $rowNbr => $row) { |
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$attributes = $this->getAttributesFromRow($rowNbr); |
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$attributesValues = []; |
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foreach ($attributes as $attribute) { |
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if (!$attribute->isValid()) { |
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continue 2; |
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} |
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if (!$attribute->isForSearchQuery) { |
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continue; |
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} |
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$attributesValues[$attribute->key] = $attribute->value; |
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} |
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$findPairs[] = $attributesValues; |
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} |
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$q = clone $this->query; |
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$q->andWhere([ |
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'IN', |
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$attributesNames, |
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$findPairs |
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]); |
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$models = $q->all(); |
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foreach ($models as $model) { |
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$attributeForSearch = []; |
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foreach ($attributesNames as $attributesName) { |
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$attributeForSearch[$attributesName] = $model->$attributesName; |
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} |
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$cacheKey = $q->modelClass . ' ' . Json::encode($attributeForSearch); |
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$this->setCache($model, $cacheKey); |
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} |
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} |
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/** |
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* @return string |
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*/ |
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protected function getCacheKey($isWithAttributes = true): string |
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{ |
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$attributeForSearch = $this->getAttributesForSearch(); |
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$cacheKey = $this->query->modelClass; |
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if ($isWithAttributes) { |
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$cacheKey .= ' ' . Json::encode($attributeForSearch); |
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} |
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return $cacheKey; |
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} |
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/** |
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* @return array |
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*/ |
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protected function getSearchAttributesNames(): array |
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{ |
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$attributesNames = []; |
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$attributes = $this->getAttributesFromRow(); |
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foreach ($attributes as $attribute) { |
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if (!$attribute->isForSearchQuery) { |
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continue; |
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} |
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$attributesNames[] = $attribute->key; |
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} |
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return $attributesNames; |
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} |
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} |