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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\Cortex\ResponseQueue\ResponseQueueItem; |
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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 = ''; |
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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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$begin = synapse()->brain->topic("__begin__"); |
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$this->output = ""; |
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/** |
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* 1. Check if topic is valid |
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* 2. Process the triggers |
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* 3. if valid trigger |
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* - Check if response is redirect |
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* - |
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*/ |
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if ($begin) { |
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synapse()->rivescript->say("Begin label found. Starting processing."); |
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$request = $begin->triggers()->get("request"); |
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if ($request) { |
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$this->output = $request['responses']->process(); |
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if ($begin->isOk() === false) { |
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return $this->output; |
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} |
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} |
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} |
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return $this->processTopic(); |
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return trim($this->output); |
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} |
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protected function processTopic(): string |
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{ |
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$topic = synapse()->memory->shortTerm()->get('topic') ?? 'random'; |
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$triggers = synapse()->brain->topic($topic)->triggers(); |
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foreach ($triggers as $trigger => $data) { |
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$valid = $this->isValidTrigger($trigger); |
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if ($valid === true) { |
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synapse()->rivescript->say("Found trigger {$trigger}..."); |
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synapse()->memory->shortTerm()->put('trigger', $trigger); |
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$response = $this->getValidResponse($trigger); |
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if ($response) { |
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if ($response->isChangingTopic() === true) { |
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// validate target or continue |
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synapse()->rivescript->warn("Topic change detected."); |
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break; |
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} else { |
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$output = $response->getValue(); |
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if ($output) { |
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$this->output .= $output; |
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} |
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} |
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} else { |
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synapse()->rivescript->warn("Could not find a valid response for trigger \":trigger\"", [ |
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"trigger" => $trigger |
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]); |
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} |
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} else { |
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synapse()->rivescript->warn("Could not find a valid trigger \":trigger\"", [ |
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"trigger" => $trigger |
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]); |
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} |
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} |
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return trim($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 bool |
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*/ |
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protected function isValidTrigger(string $trigger): bool |
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{ |
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$triggers = synapse()->triggers; |
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foreach ($triggers as $class) { |
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$triggerClass = "\\Axiom\\Rivescript\\Cortex\\Triggers\\{$class}"; |
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$triggerInstance = new $triggerClass(synapse()->input); |
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$found = $triggerInstance->parse($trigger, synapse()->input); |
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if ($found) { |
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return true; |
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} |
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} |
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return false; |
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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 searchTriggers2(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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$triggerInstance = new $triggerClass(synapse()->input); |
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$found = $triggerInstance->parse($trigger, synapse()->input); |
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if ($found === true) { |
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synapse()->rivescript->say("Found trigger {$trigger} van {$triggerClass}..."); |
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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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protected function getValidResponse(string $trigger) |
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{ |
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$originalTrigger = synapse()->brain->topic()->triggers()->get($trigger); |
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$queueItem = null; |
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if ($originalTrigger['responses']) { |
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$queueItem = $originalTrigger['responses']->process(); |
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if ($queueItem) { |
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$queueItem->parse(); |
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} |
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} |
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return $queueItem; |
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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 $trigger) |
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{ |
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$topic = synapse()->memory->shortTerm()->get('topic') ?? 'random'; |
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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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// synapse()->rivescript->say("No response found."); |
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// $this->output = ""; |
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// return $this->output; |
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// } |
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/** |
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* Get the best suitable response from |
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* the ResponseQueue. |
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*/ |
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$queueItem = $originalTrigger['responses']->process(); |
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// $queueItem = $this->parseResponse($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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// |
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$processedTrigger = synapse()->brain->topic()->triggers()->get($trigger, null); |
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// $processedTopic = synapse()->memory->shortTerm()->get('topic') ?? 'random'; |
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// if ($topic !== $processedTopic) { |
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// synapse()->rivescript->warn("topic changed from :old to :new.", [ |
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// "old" => $topic, |
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// "new" => synapse()->memory->shortTerm()->get('topic'), |
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// ]); |
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// } |
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// |
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// if (isset($processedTrigger['redirect'])) { |
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// $valid = $this->isValidTrigger($processedTrigger['redirect']); |
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// |
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// |
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// if ($valid === true) { |
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// synapse()->rivescript->warn("Searching for trigger :trigger in topic :topic", ['trigger' => $processedTrigger["redirect"], 'topic' => $topic]); |
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// |
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// $input = new Input($processedTrigger["redirect"], "local-user"); |
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// synapse()->input = $input; |
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// |
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// return $this->searchTriggers2($processedTrigger['redirect']); |
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// } else { |
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// // FIXME: Tiggers wild wildcards end up in here. We need to fix this. |
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// |
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// $trigger = $processedTrigger['redirect']; |
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// |
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//// if ($trigger == 'set test name test' || $trigger == 'test x') { |
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//// return $output; |
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//// } |
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// synapse()->rivescript->warn("Topic :new was not found. Restoring topic :old", [ |
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// "new" => $processedTrigger['redirect'], |
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// "old" => synapse()->memory->shortTerm()->get('topic'), |
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// ]); |
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// |
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// synapse()->input = new Input($trigger, "local-user"); |
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// |
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//// $newTrigger = synapse()->memory->shortTerm()->get('trigger'); |
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// |
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// |
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// print_r('Trigger -->' . $trigger . "<\n"); |
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//// print_r('newTrigger -->' . $newTrigger . "<\n"); |
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// synapse()->memory->shortTerm()->put("topic", null); |
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// |
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// return '@'.$this->processTopic( null ); |
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// // return $this->getResponse($trigger); |
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// } |
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// } |
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// |
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// return $output; |
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} |
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} |
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