PhabricatorBotSymbolHandler.php
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	<?php

	/**
	* Watches for "where is <symbol>?"
	*/
	final class PhabricatorBotSymbolHandler extends PhabricatorBotHandler {

	public function receiveMessage(PhabricatorBotMessage $message) {
	switch ($message->getCommand()) {
	case 'MESSAGE':
	$text = $message->getBody();

	$matches = null;
	if (!preg_match('/where(?: in the world)? is (\S+?)\?/i',
	$text, $matches)) {
	break;
	}

	$symbol = $matches[1];
	$results = $this->getConduit()->callMethodSynchronous(
	'diffusion.findsymbols',
	array(
	'name' => $symbol,
	));

	$default_uri = $this->getURI('/diffusion/symbol/'.$symbol.'/');

	if (count($results) > 1) {
	$response = pht(
	"Multiple symbols named '%s': %s",
	$symbol,
	$default_uri);
	} else if (count($results) == 1) {
	$result = head($results);
	$response =
	$result['type'].' '.
	$result['name'].' '.
	'('.$result['language'].'): '.
	nonempty($result['uri'], $default_uri);
	} else {
	$response = pht("No symbol '%s' found anywhere.", $symbol);
	}

	$this->replyTo($message, $response);

	break;
	}
	}

	}