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   1  <?php
   2  
   3  final class PhabricatorConfigLocalSource
   4    extends PhabricatorConfigProxySource {
   5  
   6    public function __construct() {
   7      $config = $this->loadConfig();
   8      $this->setSource(new PhabricatorConfigDictionarySource($config));
   9    }
  10  
  11    public function setKeys(array $keys) {
  12      $result = parent::setKeys($keys);
  13      $this->saveConfig();
  14      return $result;
  15    }
  16  
  17    public function deleteKeys(array $keys) {
  18      $result = parent::deleteKeys($keys);
  19      $this->saveConfig();
  20      return parent::deleteKeys($keys);
  21    }
  22  
  23    private function loadConfig() {
  24      $path = $this->getConfigPath();
  25      if (@file_exists($path)) {
  26        $data = @file_get_contents($path);
  27        if ($data) {
  28          $data = json_decode($data, true);
  29          if (is_array($data)) {
  30            return $data;
  31          }
  32        }
  33      }
  34  
  35      return array();
  36    }
  37  
  38    private function saveConfig() {
  39      $config = $this->getSource()->getAllKeys();
  40      $json = new PhutilJSON();
  41      $data = $json->encodeFormatted($config);
  42      Filesystem::writeFile($this->getConfigPath(), $data);
  43    }
  44  
  45    private function getConfigPath() {
  46      $root = dirname(phutil_get_library_root('phabricator'));
  47      $path = $root.'/conf/local/local.json';
  48      return $path;
  49    }
  50  
  51  }