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   1  <?php
   2  
   3  final class ManiphestTransactionPreviewController extends ManiphestController {
   4  
   5    private $id;
   6  
   7    public function willProcessRequest(array $data) {
   8      $this->id = $data['id'];
   9    }
  10  
  11    public function processRequest() {
  12  
  13      $request = $this->getRequest();
  14      $user = $request->getUser();
  15  
  16      $comments = $request->getStr('comments');
  17  
  18      $task = id(new ManiphestTaskQuery())
  19        ->setViewer($user)
  20        ->withIDs(array($this->id))
  21        ->executeOne();
  22      if (!$task) {
  23        return new Aphront404Response();
  24      }
  25  
  26      id(new PhabricatorDraft())
  27        ->setAuthorPHID($user->getPHID())
  28        ->setDraftKey($task->getPHID())
  29        ->setDraft($comments)
  30        ->replaceOrDelete();
  31  
  32      $action = $request->getStr('action');
  33  
  34      $transaction = new ManiphestTransaction();
  35      $transaction->setAuthorPHID($user->getPHID());
  36      $transaction->setTransactionType($action);
  37  
  38      // This should really be split into a separate transaction, but it should
  39      // all come out in the wash once we fully move to modern stuff.
  40      $transaction->attachComment(
  41        id(new ManiphestTransactionComment())
  42          ->setContent($comments));
  43  
  44      $value = $request->getStr('value');
  45      // grab phids for handles and set transaction values based on action and
  46      // value (empty or control-specific format) coming in from the wire
  47      switch ($action) {
  48        case ManiphestTransaction::TYPE_PRIORITY:
  49          $transaction->setOldValue($task->getPriority());
  50          $transaction->setNewValue($value);
  51          break;
  52        case ManiphestTransaction::TYPE_OWNER:
  53          if ($value) {
  54            $value = current(json_decode($value));
  55            $phids = array($value);
  56          } else {
  57            $phids = array();
  58          }
  59          $transaction->setNewValue($value);
  60          break;
  61        case ManiphestTransaction::TYPE_CCS:
  62          if ($value) {
  63            $value = json_decode($value);
  64          }
  65          if (!$value) {
  66            $value = array();
  67          }
  68          $phids = $value;
  69  
  70          foreach ($task->getCCPHIDs() as $cc_phid) {
  71            $phids[] = $cc_phid;
  72            $value[] = $cc_phid;
  73          }
  74  
  75          $transaction->setOldValue($task->getCCPHIDs());
  76          $transaction->setNewValue($value);
  77          break;
  78        case ManiphestTransaction::TYPE_PROJECTS:
  79          if ($value) {
  80            $value = json_decode($value);
  81          }
  82          if (!$value) {
  83            $value = array();
  84          }
  85  
  86          $phids = array();
  87          $value = array_fuse($value);
  88          foreach ($value as $project_phid) {
  89            $phids[] = $project_phid;
  90            $value[$project_phid] = array('dst' => $project_phid);
  91          }
  92  
  93          $project_type = PhabricatorProjectObjectHasProjectEdgeType::EDGECONST;
  94          $transaction
  95            ->setTransactionType(PhabricatorTransactions::TYPE_EDGE)
  96            ->setMetadataValue('edge:type', $project_type)
  97            ->setOldValue(array())
  98            ->setNewValue($value);
  99          break;
 100        case ManiphestTransaction::TYPE_STATUS:
 101          $phids = array();
 102          $transaction->setOldValue($task->getStatus());
 103          $transaction->setNewValue($value);
 104          break;
 105        default:
 106          $phids = array();
 107          $transaction->setNewValue($value);
 108          break;
 109      }
 110      $phids[] = $user->getPHID();
 111  
 112      $handles = $this->loadViewerHandles($phids);
 113  
 114      $transactions = array();
 115      $transactions[] = $transaction;
 116  
 117      $engine = new PhabricatorMarkupEngine();
 118      $engine->setViewer($user);
 119      if ($transaction->hasComment()) {
 120        $engine->addObject(
 121          $transaction->getComment(),
 122          PhabricatorApplicationTransactionComment::MARKUP_FIELD_COMMENT);
 123      }
 124      $engine->process();
 125  
 126      $transaction->setHandles($handles);
 127  
 128      $view = id(new PhabricatorApplicationTransactionView())
 129        ->setUser($user)
 130        ->setTransactions($transactions)
 131        ->setIsPreview(true);
 132  
 133      return id(new AphrontAjaxResponse())
 134        ->setContent((string)phutil_implode_html('', $view->buildEvents()));
 135    }
 136  
 137  }