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   1  <?php
   2  
   3  final class PhragmentSnapshotChild extends PhragmentDAO
   4    implements PhabricatorPolicyInterface {
   5  
   6    protected $snapshotPHID;
   7    protected $fragmentPHID;
   8    protected $fragmentVersionPHID;
   9  
  10    private $snapshot = self::ATTACHABLE;
  11    private $fragment = self::ATTACHABLE;
  12    private $fragmentVersion = self::ATTACHABLE;
  13  
  14    public function getConfiguration() {
  15      return array(
  16        self::CONFIG_COLUMN_SCHEMA => array(
  17          'fragmentVersionPHID' => 'phid?',
  18        ),
  19        self::CONFIG_KEY_SCHEMA => array(
  20          'key_child' => array(
  21            'columns' => array(
  22              'snapshotPHID',
  23              'fragmentPHID',
  24              'fragmentVersionPHID',
  25            ),
  26            'unique' => true,
  27          ),
  28        ),
  29      ) + parent::getConfiguration();
  30    }
  31  
  32    public function getSnapshot() {
  33      return $this->assertAttached($this->snapshot);
  34    }
  35  
  36    public function attachSnapshot(PhragmentSnapshot $snapshot) {
  37      return $this->snapshot = $snapshot;
  38    }
  39  
  40    public function getFragment() {
  41      return $this->assertAttached($this->fragment);
  42    }
  43  
  44    public function attachFragment(PhragmentFragment $fragment) {
  45      return $this->fragment = $fragment;
  46    }
  47  
  48    public function getFragmentVersion() {
  49      if ($this->fragmentVersionPHID === null) {
  50        return null;
  51      }
  52      return $this->assertAttached($this->fragmentVersion);
  53    }
  54  
  55    public function attachFragmentVersion(PhragmentFragmentVersion $version) {
  56      return $this->fragmentVersion = $version;
  57    }
  58  
  59  
  60  /* -(  Policy Interface  )--------------------------------------------------- */
  61  
  62  
  63    public function getCapabilities() {
  64      return array(
  65        PhabricatorPolicyCapability::CAN_VIEW,
  66      );
  67    }
  68  
  69    public function getPolicy($capability) {
  70      return $this->getSnapshot()->getPolicy($capability);
  71    }
  72  
  73    public function hasAutomaticCapability($capability, PhabricatorUser $viewer) {
  74      return $this->getSnapshot()
  75        ->hasAutomaticCapability($capability, $viewer);
  76    }
  77  
  78    public function describeAutomaticCapability($capability) {
  79      return $this->getSnapshot()
  80        ->describeAutomaticCapability($capability);
  81    }
  82  }