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<?php |
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/** |
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* @link https://github.com/old-town/old-town-workflow |
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* @author Malofeykin Andrey <[email protected]> |
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*/ |
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namespace OldTown\Workflow\Engine; |
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use OldTown\PropertySet\PropertySetInterface; |
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use OldTown\Workflow\Exception\InternalWorkflowException; |
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use OldTown\Workflow\Exception\WorkflowException; |
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use OldTown\Workflow\Loader\ConditionDescriptor; |
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use OldTown\Workflow\Loader\ConditionsDescriptor; |
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use OldTown\Workflow\TransientVars\TransientVarsInterface; |
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use SplObjectStorage; |
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/** |
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* Class Conditions |
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* |
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* @package OldTown\Workflow\Engine |
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*/ |
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class Conditions extends AbstractEngine implements ConditionsInterface |
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{ |
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/** |
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* @param ConditionsDescriptor $descriptor |
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* @param TransientVarsInterface $transientVars |
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* @param PropertySetInterface $ps |
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* @param $currentStepId |
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* |
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* @return bool |
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* |
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* @throws InternalWorkflowException |
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* @throws WorkflowException |
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*/ |
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public function passesConditionsByDescriptor(ConditionsDescriptor $descriptor = null, TransientVarsInterface $transientVars, PropertySetInterface $ps, $currentStepId) |
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{ |
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if (null === $descriptor) { |
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return true; |
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} |
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$type = $descriptor->getType(); |
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$conditions = $descriptor->getConditions(); |
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if (!$conditions instanceof SplObjectStorage) { |
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$errMsg = 'Invalid conditions'; |
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throw new InternalWorkflowException($errMsg); |
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} |
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$passesConditions = $this->passesConditionsWithType($type, $conditions, $transientVars, $ps, $currentStepId); |
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return $passesConditions; |
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} |
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/** |
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* @param string $conditionType |
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* @param SplObjectStorage $conditions |
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* @param TransientVarsInterface $transientVars |
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* @param PropertySetInterface $ps |
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* @param integer $currentStepId |
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* |
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* @return bool |
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* |
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* @throws InternalWorkflowException |
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* @throws InternalWorkflowException |
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* @throws WorkflowException |
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* |
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*/ |
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public function passesConditionsWithType($conditionType, SplObjectStorage $conditions = null, TransientVarsInterface $transientVars, PropertySetInterface $ps, $currentStepId) |
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{ |
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if (null === $conditions) { |
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return true; |
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} |
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if (0 === $conditions->count()) { |
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return true; |
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} |
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$and = strtoupper($conditionType) === 'AND'; |
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$or = !$and; |
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foreach ($conditions as $descriptor) { |
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if ($descriptor instanceof ConditionsDescriptor) { |
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$descriptorConditions = $descriptor->getConditions(); |
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if (!$descriptorConditions instanceof SplObjectStorage) { |
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$errMsg = 'Invalid conditions container'; |
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throw new InternalWorkflowException($errMsg); |
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} |
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$result = $this->passesConditionsWithType($descriptor->getType(), $descriptorConditions, $transientVars, $ps, $currentStepId); |
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} elseif ($descriptor instanceof ConditionDescriptor) { |
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$result = $this->passesCondition($descriptor, $transientVars, $ps, $currentStepId); |
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} else { |
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$errMsg = 'Invalid condition descriptor'; |
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throw new InternalWorkflowException($errMsg); |
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} |
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if ($and && !$result) { |
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return false; |
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} elseif ($or && $result) { |
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return true; |
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} |
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} |
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if ($and) { |
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return true; |
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} |
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return false; |
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} |
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/** |
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* @param ConditionDescriptor $conditionDesc |
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* @param TransientVarsInterface $transientVars |
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* @param PropertySetInterface $ps |
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* @param integer $currentStepId |
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* |
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* @return boolean |
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* |
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* @throws WorkflowException |
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* @throws InternalWorkflowException |
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*/ |
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protected function passesCondition(ConditionDescriptor $conditionDesc, TransientVarsInterface $transientVars, PropertySetInterface $ps, $currentStepId) |
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{ |
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$type = $conditionDesc->getType(); |
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$argsOriginal = $conditionDesc->getArgs(); |
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$args = $this->getWorkflowManager()->getEngineManager()->getArgsEngine()->prepareArgs($argsOriginal, $transientVars, $ps); |
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if (-1 !== $currentStepId) { |
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$stepId = array_key_exists('stepId', $args) ? (integer)$args['stepId'] : null; |
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if (null !== $stepId && -1 === $stepId) { |
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$args['stepId'] = $currentStepId; |
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} |
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} |
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$condition = $this->getWorkflowManager()->getResolver()->getCondition($type, $args); |
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$context = $this->getWorkflowManager()->getContext(); |
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if (null === $condition) { |
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$context->setRollbackOnly(); |
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$errMsg = 'Огибка при загрузки условия'; |
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throw new WorkflowException($errMsg); |
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} |
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try { |
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$passed = $condition->passesCondition($transientVars, $args, $ps); |
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if ($conditionDesc->isNegate()) { |
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$passed = !$passed; |
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} |
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} catch (\Exception $e) { |
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$context->setRollbackOnly(); |
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$errMsg = sprintf( |
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'Ошбика при выполнение условия %s', |
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get_class($condition) |
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); |
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throw new WorkflowException($errMsg, $e->getCode(), $e); |
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} |
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return $passed; |
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} |
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} |
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old-town /
old-town-workflow
