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   1  <?php
   2  
   3  final class PhabricatorProjectWatchController
   4    extends PhabricatorProjectController {
   5  
   6    private $id;
   7    private $action;
   8  
   9    public function willProcessRequest(array $data) {
  10      $this->id = $data['id'];
  11      $this->action = $data['action'];
  12    }
  13  
  14    public function processRequest() {
  15      $request = $this->getRequest();
  16      $viewer = $request->getUser();
  17  
  18      $project = id(new PhabricatorProjectQuery())
  19        ->setViewer($viewer)
  20        ->withIDs(array($this->id))
  21        ->needMembers(true)
  22        ->needWatchers(true)
  23        ->executeOne();
  24      if (!$project) {
  25        return new Aphront404Response();
  26      }
  27  
  28      $project_uri = '/project/view/'.$project->getID().'/';
  29  
  30      // You must be a member of a project to
  31      if (!$project->isUserMember($viewer->getPHID())) {
  32        return new Aphront400Response();
  33      }
  34  
  35      if ($request->isDialogFormPost()) {
  36        $edge_action = null;
  37        switch ($this->action) {
  38          case 'watch':
  39            $edge_action = '+';
  40            $force_subscribe = true;
  41            break;
  42          case 'unwatch':
  43            $edge_action = '-';
  44            $force_subscribe = false;
  45            break;
  46        }
  47  
  48        $type_member = PhabricatorEdgeConfig::TYPE_OBJECT_HAS_WATCHER;
  49        $member_spec = array(
  50          $edge_action => array($viewer->getPHID() => $viewer->getPHID()),
  51        );
  52  
  53        $xactions = array();
  54        $xactions[] = id(new PhabricatorProjectTransaction())
  55          ->setTransactionType(PhabricatorTransactions::TYPE_EDGE)
  56          ->setMetadataValue('edge:type', $type_member)
  57          ->setNewValue($member_spec);
  58  
  59        $editor = id(new PhabricatorProjectTransactionEditor($project))
  60          ->setActor($viewer)
  61          ->setContentSourceFromRequest($request)
  62          ->setContinueOnNoEffect(true)
  63          ->setContinueOnMissingFields(true)
  64          ->applyTransactions($project, $xactions);
  65  
  66        return id(new AphrontRedirectResponse())->setURI($project_uri);
  67      }
  68  
  69      $dialog = null;
  70      switch ($this->action) {
  71        case 'watch':
  72          $title = pht('Watch Project?');
  73          $body = pht(
  74            'Watching a project will let you monitor it closely. You will '.
  75            'receive email and notifications about changes to every object '.
  76            'associated with projects you watch.');
  77          $submit = pht('Watch Project');
  78          break;
  79        case 'unwatch':
  80          $title = pht('Unwatch Project?');
  81          $body = pht(
  82            'You will no longer receive email or notifications about every '.
  83            'object associated with this project.');
  84          $submit = pht('Unwatch Project');
  85          break;
  86        default:
  87          return new Aphront404Response();
  88      }
  89  
  90      return $this->newDialog()
  91        ->setTitle($title)
  92        ->appendParagraph($body)
  93        ->addCancelButton($project_uri)
  94        ->addSubmitButton($submit);
  95    }
  96  
  97  }