<?php

/**
 * @group pholio
 */
final class PholioTransaction extends PholioDAO
  implements PhabricatorMarkupInterface {

  const MARKUP_FIELD_COMMENT  = 'markup:comment';

  protected $mockID;
  protected $authorPHID;
  protected $transactionType;
  protected $oldValue;
  protected $newValue;
  protected $comment = '';
  protected $metadata = array();
  protected $contentSource;

  public function getConfiguration() {
    return array(
      self::CONFIG_SERIALIZATION => array(
        'oldValue' => self::SERIALIZATION_JSON,
        'newValue' => self::SERIALIZATION_JSON,
        'metadata' => self::SERIALIZATION_JSON,
      ),
    ) + parent::getConfiguration();
  }

  public function setContentSource(PhabricatorContentSource $content_source) {
    $this->contentSource = $content_source->serialize();
    return $this;
  }

  public function getContentSource() {
    return PhabricatorContentSource::newFromSerialized($this->contentSource);
  }

  public function getRequiredHandlePHIDs() {
    switch ($this->getTransactionType()) {
      case PholioTransactionType::TYPE_SUBSCRIBERS:
        return array_merge(
          $this->getOldValue(),
          $this->getNewValue());
      default:
        return array();
    }
  }


/* -(  PhabricatorSubscribableInterface Implementation  )-------------------- */


  public function isAutomaticallySubscribed($phid) {
    return ($this->authorPHID == $phid);
  }


/* -(  PhabricatorPolicyInterface Implementation  )-------------------------- */


  public function getCapabilities() {
    return array(
      PhabricatorPolicyCapability::CAN_VIEW,
      PhabricatorPolicyCapability::CAN_EDIT,
    );
  }

  public function getPolicy($capability) {
    switch ($capability) {
      case PhabricatorPolicyCapability::CAN_VIEW:
        return $this->getViewPolicy();
      case PhabricatorPolicyCapability::CAN_EDIT:
        return PhabricatorPolicies::POLICY_NOONE;
    }
  }

  public function hasAutomaticCapbility($capability, PhabricatorUser $viewer) {
    return ($viewer->getPHID() == $this->getAuthorPHID());
  }


/* -(  PhabricatorMarkupInterface  )----------------------------------------- */


  public function getMarkupFieldKey($field) {
    return 'MX:'.$this->getID();
  }

  public function newMarkupEngine($field) {
    return PhabricatorMarkupEngine::newMarkupEngine(array());
  }

  public function getMarkupText($field) {
    return $this->getComment();
  }

  public function didMarkupText($field, $output, PhutilMarkupEngine $engine) {
    return $output;
  }

  public function shouldUseMarkupCache($field) {
    return (bool)$this->getID();
  }

}