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<?php |
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namespace hipanel\modules\finance\cart; |
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use hiqdev\hiart\ResponseErrorException; |
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use hiqdev\yii2\cart\ShoppingCart; |
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use Yii; |
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use yii\base\InvalidParamException; |
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/** |
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* Class BatchPurchaseStrategy purchases positions in batch |
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* |
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* @author Dmytro Naumenko <[email protected]> |
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*/ |
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class BatchPurchaseStrategy implements PurchaseStrategyInterface |
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{ |
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use PurchaseResultTrait; |
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/** |
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* @var AbstractCartPosition[] |
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*/ |
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protected $positions = []; |
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/** |
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* @var ShoppingCart |
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*/ |
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protected $cart; |
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/** |
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* @var AbstractPurchase[] |
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*/ |
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protected $purchases; |
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/** |
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* BatchPurchaseStrategy constructor. |
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* |
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* @param ShoppingCart $cart |
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*/ |
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public function __construct(ShoppingCart $cart) |
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{ |
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$this->cart = $cart; |
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} |
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/** {@inheritdoc} */ |
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public function addPosition(AbstractCartPosition $position) |
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{ |
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$this->positions[$position->getId()] = $position; |
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$this->ensureConsistency(); |
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} |
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/** {@inheritdoc} */ |
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public function run() |
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{ |
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$this->resetPurchaseResults(); |
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$this->createPurchaseObjects(); |
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if (empty($this->purchases)) { |
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return; |
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} |
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$samplePurchase = reset($this->purchases); |
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$operation = $samplePurchase::operation(); |
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try { |
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$response = $samplePurchase::perform($operation, $this->collectData(), ['batch' => true]); |
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$this->analyzeResponse($response); |
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} catch (ResponseErrorException $e) { |
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$this->extractResultsFromException($e); |
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} |
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} |
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private function createPurchaseObjects() |
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{ |
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foreach ($this->positions as $id => $position) { |
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$this->purchases[$id] = $position->getPurchaseModel(); |
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} |
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} |
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private function collectData() |
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{ |
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$result = []; |
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foreach ($this->purchases as $id => $purchase) { |
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if (!$purchase->validate()) { |
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Yii::error("Failed to validate purchase: " . reset($purchase->getFirstErrors()), __METHOD__); |
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$this->error[] = new ErrorPurchaseException("Failed to validate purchase. Contact support.", $purchase); |
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continue; |
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} |
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$result[$id] = $purchase->getAttributes(); |
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} |
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return $result; |
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} |
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private function extractResultsFromException(ResponseErrorException $e) |
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{ |
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$data = $e->getResponse()->getData(); |
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if (!is_array($data)) { |
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Yii::error('Abnormal response during purchase', __METHOD__); |
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throw $e; |
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} |
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$this->analyzeResponse($data); |
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} |
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protected function analyzeResponse($response) { |
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foreach ($response as $key => $item) { |
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$this->analyzeResponseItem($key, $item); |
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} |
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} |
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protected function analyzeResponseItem($key, $data) |
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{ |
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if (!isset($this->purchases[$key])) { |
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return; |
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} |
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$purchase = $this->purchases[$key]; |
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if ($error = $this->getPurchaseErrorFromResponse($purchase, $data)) { |
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$this->error[] = new ErrorPurchaseException($error, $purchase); |
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} elseif ($pendingMessage = $this->getPurchasePendingFromResponse($purchase, $data)) { |
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$this->pending[] = new PendingPurchaseException($pendingMessage, $purchase); |
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} else { |
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$this->success[] = $purchase; |
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} |
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} |
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/** |
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* @param AbstractPurchase $purchase |
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* @param array $data |
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* @return null|string Error message or `null` when no errors found |
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*/ |
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protected function getPurchaseErrorFromResponse(AbstractPurchase $purchase, $data) |
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{ |
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if (is_array($data) && array_key_exists('_error', $data)) { |
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return $data['_error']; |
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} |
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return null; |
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} |
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/** |
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* Override this method to detect pending purchase result. |
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* |
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* @param AbstractPurchase $purchase |
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* @param array $data |
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* @return null|string Pending reason or `null` when no errors found |
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*/ |
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protected function getPurchasePendingFromResponse(AbstractPurchase $purchase, $data) |
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{ |
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return null; |
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} |
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protected function ensureConsistency() |
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{ |
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$class = null; |
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foreach ($this->positions as $id => $position) { |
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if ($class === null) { |
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$class = get_class($position); |
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} |
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if (!$position instanceof $class) { |
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throw new InvalidParamException('Position "' . $id . '" is violates position class consistency policy'); |
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} |
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} |
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} |
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} |
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hiqdev /
hipanel-module-finance
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