src/applications/maniphest/xaction/ManiphestTaskParentTransaction.php

   1 <?php
   2
   3 final class ManiphestTaskParentTransaction
   4   extends ManiphestTaskTransactionType {
   5
   6   const TRANSACTIONTYPE = 'parent';
   7
   8   public function generateOldValue($object) {
   9     return null;
  10   }
  11
  12   public function shouldHide() {
  13     return true;
  14   }
  15
  16   public function applyExternalEffects($object, $value) {
  17     $parent_phid = $value;
  18     $parent_type = ManiphestTaskDependsOnTaskEdgeType::EDGECONST;
  19     $task_phid = $object->getPHID();
  20
  21     id(new PhabricatorEdgeEditor())
  22       ->addEdge($parent_phid, $parent_type, $task_phid)
  23       ->save();
  24   }
  25
  26   public function validateTransactions($object, array $xactions) {
  27     $errors = array();
  28
  29     $with_effect = array();
  30     foreach ($xactions as $xaction) {
  31       $task_phid = $xaction->getNewValue();
  32       if (!$task_phid) {
  33         continue;
  34       }
  35
  36       $with_effect[] = $xaction;
  37
  38       $task = id(new ManiphestTaskQuery())
  39         ->setViewer($this->getActor())
  40         ->withPHIDs(array($task_phid))
  41         ->executeOne();
  42       if (!$task) {
  43         $errors[] = $this->newInvalidError(
  44           pht(
  45             'Parent task identifier "%s" does not identify a visible '.
  46             'task.',
  47             $task_phid));
  48       }
  49     }
  50
  51     if ($with_effect && !$this->isNewObject()) {
  52       $errors[] = $this->newInvalidError(
  53         pht(
  54           'You can only select a parent task when creating a '.
  55           'transaction for the first time.'));
  56     }
  57
  58     return $errors;
  59   }
  60 }