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   1  <?php
   2  
   3  /**
   4   * Watches for "where is <symbol>?"
   5   */
   6  final class PhabricatorBotSymbolHandler extends PhabricatorBotHandler {
   7  
   8    public function receiveMessage(PhabricatorBotMessage $message) {
   9      switch ($message->getCommand()) {
  10        case 'MESSAGE':
  11          $text = $message->getBody();
  12  
  13          $matches = null;
  14          if (!preg_match('/where(?: in the world)? is (\S+?)\?/i',
  15            $text, $matches)) {
  16              break;
  17            }
  18  
  19          $symbol = $matches[1];
  20          $results = $this->getConduit()->callMethodSynchronous(
  21            'diffusion.findsymbols',
  22            array(
  23              'name' => $symbol,
  24            ));
  25  
  26          $default_uri = $this->getURI('/diffusion/symbol/'.$symbol.'/');
  27  
  28          if (count($results) > 1) {
  29            $response = "Multiple symbols named '{$symbol}': {$default_uri}";
  30          } else if (count($results) == 1) {
  31            $result = head($results);
  32            $response =
  33              $result['type'].' '.
  34              $result['name'].' '.
  35              '('.$result['language'].'): '.
  36              nonempty($result['uri'], $default_uri);
  37          } else {
  38            $response = "No symbol '{$symbol}' found anywhere.";
  39          }
  40  
  41          $this->replyTo($message, $response);
  42  
  43          break;
  44      }
  45    }
  46  
  47  }