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<?php |
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namespace Tgallice\Wit; |
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use Tgallice\Wit\Exception\InvalidStepException; |
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use Tgallice\Wit\Model\Step; |
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use Tgallice\Wit\Model\Step\Action; |
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use Tgallice\Wit\Model\Step\Merge; |
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use Tgallice\Wit\Model\Step\Message; |
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use Tgallice\Wit\Model\Step\Stop; |
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class StepFactory |
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{ |
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public static function create(array $step) |
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{ |
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$type = isset($step['type']) ? $step['type'] : null; |
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switch ($type) { |
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case Step::TYPE_ACTION: |
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return self::createActionStep($step); |
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case Step::TYPE_MESSAGE: |
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return self::createMessageStep($step); |
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case Step::TYPE_MERGE: |
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return self::createMergeStep($step); |
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case Step::TYPE_STOP: |
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return self::createStopStep($step); |
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default: |
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throw new InvalidStepException('Invalid Step', $step); |
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} |
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} |
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/** |
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* @param array $step |
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* |
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* @return array |
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*/ |
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private static function getEntitiesFromStepData(array $step = []) |
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{ |
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return isset($step['entities']) ? $step['entities'] : []; |
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} |
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/** |
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* @param array $step |
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* |
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* @return array |
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*/ |
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private static function getQuickRepliesFromStepData(array $step = []) |
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{ |
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return isset($step['quickreplies']) ? $step['quickreplies'] : []; |
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} |
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/** |
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* @param array $step |
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* |
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* @return Action |
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*/ |
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public static function createActionStep(array $step) |
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{ |
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return new Action($step['action'], $step['confidence'], self::getEntitiesFromStepData($step)); |
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} |
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/** |
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* @param array $step |
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* |
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* @return Merge |
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*/ |
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public static function createMergeStep(array $step) |
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{ |
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return new Merge(self::getEntitiesFromStepData($step), $step['confidence']); |
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} |
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/** |
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* @param array $step |
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* |
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* @return Message |
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*/ |
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public static function createMessageStep(array $step) |
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{ |
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return new Message($step['msg'], $step['confidence'], self::getEntitiesFromStepData($step), self::getQuickRepliesFromStepData($step)); |
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} |
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/** |
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* @param array $step |
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* |
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* @return Stop |
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*/ |
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public static function createStopStep(array $step) |
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{ |
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return new Stop($step['confidence']); |
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} |
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} |
tgallice /
wit-php
