src/applications/phame/xaction/PhamePostBlogTransaction.php

   1 <?php
   2
   3 final class PhamePostBlogTransaction
   4   extends PhamePostTransactionType {
   5
   6   const TRANSACTIONTYPE = 'phame.post.blog';
   7
   8   public function generateOldValue($object) {
   9     return $object->getBlogPHID();
  10   }
  11
  12   public function applyInternalEffects($object, $value) {
  13     $object->setBlogPHID($value);
  14   }
  15
  16   public function getTitle() {
  17     return pht(
  18       '%s changed the blog for this post.',
  19       $this->renderAuthor());
  20   }
  21
  22   public function getTitleForFeed() {
  23     return pht(
  24       '%s changed the blog for post %s.',
  25       $this->renderAuthor(),
  26       $this->renderObject());
  27   }
  28
  29   public function validateTransactions($object, array $xactions) {
  30     $errors = array();
  31
  32     if ($this->isEmptyTextTransaction($object->getBlogPHID(), $xactions)) {
  33       $errors[] = $this->newRequiredError(
  34         pht('Posts must be attached to a blog.'));
  35     }
  36
  37     foreach ($xactions as $xaction) {
  38       $new_phid = $xaction->getNewValue();
  39
  40       $blog = id(new PhameBlogQuery())
  41         ->setViewer($this->getActor())
  42         ->withPHIDs(array($new_phid))
  43         ->requireCapabilities(
  44           array(
  45             PhabricatorPolicyCapability::CAN_VIEW,
  46             PhabricatorPolicyCapability::CAN_EDIT,
  47           ))
  48         ->execute();
  49
  50       if ($blog) {
  51         continue;
  52       }
  53
  54       $errors[] = $this->newInvalidError(
  55         pht('The specified blog PHID ("%s") is not valid. You can only '.
  56             'create a post on (or move a post into) a blog which you '.
  57             'have permission to see and edit.',
  58             $new_phid));
  59     }
  60
  61     return $errors;
  62   }
  63
  64 }