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   1  <?php
   2  
   3  final class DifferentialChangesSinceLastUpdateField
   4    extends DifferentialCustomField {
   5  
   6    public function getFieldKey() {
   7      return 'differential:changes-since-last-update';
   8    }
   9  
  10    public function getFieldName() {
  11      return pht('Changes Since Last Update');
  12    }
  13  
  14    public function getFieldDescription() {
  15      return pht('Links to changes since the last update in email.');
  16    }
  17  
  18    public function shouldAppearInTransactionMail() {
  19      return true;
  20    }
  21  
  22    public function updateTransactionMailBody(
  23      PhabricatorMetaMTAMailBody $body,
  24      PhabricatorApplicationTransactionEditor $editor,
  25      array $xactions) {
  26  
  27      if ($editor->getIsNewObject()) {
  28        return;
  29      }
  30  
  31      if ($editor->getIsCloseByCommit()) {
  32        return;
  33      }
  34  
  35      $xaction = $editor->getDiffUpdateTransaction($xactions);
  36      if (!$xaction) {
  37        return;
  38      }
  39  
  40      $original = id(new DifferentialDiffQuery())
  41        ->setViewer($this->getViewer())
  42        ->withPHIDs(array($xaction->getOldValue()))
  43        ->executeOne();
  44      if (!$original) {
  45        return;
  46      }
  47  
  48      $revision = $this->getObject();
  49      $current = $revision->getActiveDiff();
  50  
  51      $old_id = $original->getID();
  52      $new_id = $current->getID();
  53  
  54      $uri = '/'.$revision->getMonogram().'?vs='.$old_id.'&id='.$new_id;
  55      $uri = PhabricatorEnv::getProductionURI($uri);
  56  
  57      $body->addLinkSection(pht('CHANGES SINCE LAST UPDATE'), $uri);
  58    }
  59  
  60  }