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<?php |
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/* |
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* This file is part of Rivescript-php |
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* |
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* (c) Shea Lewis <[email protected]> |
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* |
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* For the full copyright and license information, please view the LICENSE |
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* file that was distributed with this source code. |
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*/ |
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namespace Axiom\Rivescript\Cortex; |
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use Axiom\Rivescript\Traits\Regex; |
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use Axiom\Rivescript\Traits\Tags; |
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/** |
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* Output class |
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* |
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* This class is responsible for generating the |
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* bot response. |
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* |
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* PHP version 7.4 and higher. |
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* |
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* @category Core |
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* @package Cortext |
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* @author Shea Lewis <[email protected]> |
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* @license https://opensource.org/licenses/MIT MIT |
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* @link https://github.com/axiom-labs/rivescript-php |
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* @since 0.3.0 |
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*/ |
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class Output |
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{ |
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use Regex; |
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use Tags; |
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/** |
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* The output string |
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* |
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* @var string |
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*/ |
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protected string $output = 'Error: Response could not be determined.'; |
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/** |
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* Keep track of the recursion |
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* in the output. |
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* |
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* @var int |
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*/ |
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protected int $recursion = 0; |
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/** |
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* Process the correct output response by the interpreter. |
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* |
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* @return string |
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*/ |
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public function process(): string |
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{ |
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$triggers = synapse()->brain->topic()->triggers(); |
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foreach ($triggers as $trigger => $data) { |
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$this->searchTriggers($trigger); |
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if ($this->output !== 'Error: Response could not be determined.' && $this->output !== '') { |
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break; |
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} |
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} |
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return $this->output; |
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} |
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/** |
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* Search through available triggers to find a possible match. |
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* |
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* @param string $trigger The trigger to find responses for. |
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* |
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* @return void |
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*/ |
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protected function searchTriggers(string $trigger): void |
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{ |
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synapse()->triggers->each( |
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function ($class) use ($trigger) { |
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$triggerClass = "\\Axiom\\Rivescript\\Cortex\\Triggers\\$class"; |
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$triggerClass = new $triggerClass(synapse()->input); |
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$found = $triggerClass->parse($trigger, synapse()->input); |
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if ($found === true) { |
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synapse()->brain->say("Found trigger {$trigger}..."); |
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synapse()->memory->shortTerm()->put('trigger', $trigger); |
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$this->output = $this->getResponse($trigger); |
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return false; |
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} |
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} |
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); |
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} |
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/** |
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* Fetch a response from the found trigger. |
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* |
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* @param string $trigger The trigger to get a response for. |
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* |
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* @return string |
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*/ |
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protected function getResponse(string $trigger): string |
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{ |
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$org = $trigger; |
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$topic = synapse()->memory->shortTerm()->get('topic') ?? 'random'; |
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$all = synapse()->brain->topic($topic)->triggers(); |
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$originalTrigger = synapse()->brain->topic($topic)->triggers()->get($trigger); |
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// FIXME: Temp fix for rsts |
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if (isset($originalTrigger['responses']) === false) { |
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$this->output = false; |
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return $this->output; |
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} |
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/** |
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* Get the best suitable response from |
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* the ResponseQueue. |
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*/ |
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$response = $originalTrigger['responses']->process(); |
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$output = $this->parseResponse($response); |
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/** |
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* It could be possible that tags have altered the trigger. |
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* If so evaluate possible changes. |
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*/ |
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$processedTrigger = synapse()->brain->topic()->triggers()->get($trigger); |
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if (isset($processedTrigger['redirect'])) { |
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//$output .= $this->getResponse($processedTrigger['redirect']); |
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/** |
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* If we redirect from Trigger A to Trigger B the context of the |
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* user input changes from the line that triggered "Trigger A" to |
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* be "Trigger A" as the user input. |
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*/ |
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synapse()->brain->say("{trigger} triggered a redirect to {$processedTrigger['redirect']}"); |
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$input = new Input($processedTrigger['redirect'], 0); |
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$this->input = $input; |
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synapse()->input = new Input($processedTrigger['redirect'], 0); |
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$this->process(); |
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} |
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return $output; |
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} |
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/** |
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* Parse the response through the available tags. |
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* |
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* @param string $response |
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* |
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* @return string |
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*/ |
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protected function parseResponse(string $response): string |
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{ |
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synapse()->brain->say("Start response is {$response}"); |
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synapse()->tags->each( |
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function ($tag) use (&$response) { |
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$class = "\\Axiom\\Rivescript\\Cortex\\Tags\\$tag"; |
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$tagClass = new $class(); |
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$response = $tagClass->parse($response, synapse()->input); |
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synapse()->brain->say("Response is {$response} used tag {$tag}"); |
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} |
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); |
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return $response; |
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} |
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} |
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