Add Subscribe option to maniphest

Summary:
Same as //Subscribe//, //Unsubscribe// and //Automatically Subscribed// in differential.

Manually updated library map as windows is fun!

Test Plan: Subscribe, Unsubscribe!

Reviewers: epriestley

Reviewed By: epriestley

CC: aran, Korvin

Differential Revision: https://secure.phabricator.com/D5809

src/__phutil_library_map__.php

@@ -633,6 +633,7 @@ phutil_register_library_map(array(
     'ManiphestSavedQueryListController' => 'applications/maniphest/controller/ManiphestSavedQueryListController.php',
     'ManiphestSearchIndexer' => 'applications/maniphest/search/ManiphestSearchIndexer.php',
     'ManiphestSubpriorityController' => 'applications/maniphest/controller/ManiphestSubpriorityController.php',
+    'ManiphestSubscribeController' => 'applications/maniphest/controller/ManiphestSubscribeController.php',
     'ManiphestTask' => 'applications/maniphest/storage/ManiphestTask.php',
     'ManiphestTaskAuxiliaryStorage' => 'applications/maniphest/storage/ManiphestTaskAuxiliaryStorage.php',
     'ManiphestTaskDescriptionChangeController' => 'applications/maniphest/controller/ManiphestTaskDescriptionChangeController.php',

src/applications/maniphest/application/PhabricatorApplicationManiphest.php

@@ -73,6 +73,8 @@ final class PhabricatorApplicationManiphest extends PhabricatorApplication {
           'edit/(?:(?P<id>[1-9]\d*)/)?' => 'ManiphestSavedQueryEditController',
           'delete/(?P<id>[1-9]\d*)/'   => 'ManiphestSavedQueryDeleteController',
         ),
+        'subscribe/(?P<action>add|rem)/(?P<id>[1-9]\d*)/'
+        => 'ManiphestSubscribeController',
       ),
     );
   }

src/applications/maniphest/controller/ManiphestSubscribeController.php

@@ -0,0 +1,40 @@
+<?php
+
+final class ManiphestSubscribeController extends ManiphestController {
+
+  private $id;
+  private $action;
+
+  public function willProcessRequest(array $data) {
+    $this->id = $data['id'];
+    $this->action = $data['action'];
+  }
+
+  public function processRequest() {
+
+    $request = $this->getRequest();
+    $user = $request->getUser();
+
+    $task = id(new ManiphestTask())->load($this->id);
+    if (!$task) {
+      return new Aphront404Response();
+    }
+
+    switch ($this->action) {
+      case 'add':
+        ManiphestTransactionEditor::addCC(
+          $task,
+          $user);
+        break;
+      case 'rem':
+        ManiphestTransactionEditor::removeCC(
+          $task,
+          $user);
+        break;
+      default:
+        return new Aphront400Response();
+    }
+
+    return id(new AphrontRedirectResponse())->setURI('/T'.$task->getID());
+  }
+}

src/applications/maniphest/controller/ManiphestTaskDetailController.php

@@ -383,6 +383,8 @@ final class ManiphestTaskDetailController extends ManiphestController {
 
   private function buildActionView(ManiphestTask $task) {
     $viewer = $this->getRequest()->getUser();
+    $viewer_phid = $viewer->getPHID();
+    $viewer_is_cc = in_array($viewer_phid, $task->getCCPHIDs());
 
     $id = $task->getID();
     $phid = $task->getPHID();
@@ -397,12 +399,31 @@ final class ManiphestTaskDetailController extends ManiphestController {
         ->setIcon('edit')
         ->setHref($this->getApplicationURI("/task/edit/{$id}/")));
 
+    if ($task->getOwnerPHID() === $viewer_phid) {
+      $view->addAction(
+        id(new PhabricatorActionView())
+          ->setName(pht('Automatically Subscribed'))
+          ->setDisabled(true)
+          ->setIcon('subscribe-auto'));
+    } else {
+      $action = $viewer_is_cc ? 'rem' : 'add';
+      $name   = $viewer_is_cc ? 'Unsubscribe' : 'Subscribe';
+      $icon   = $viewer_is_cc ? 'subscribe-delete' : 'subscribe-add';
+
+      $view->addAction(
+        id(new PhabricatorActionView())
+          ->setName(pht($name))
+          ->setHref("/maniphest/subscribe/{$action}/{$id}/")
+          ->setRenderAsForm(true)
+          ->setUser($viewer)
+          ->setIcon($icon));
+    }
+
     $view->addAction(
       id(new PhabricatorActionView())
         ->setName(pht('Merge Duplicates'))
         ->setHref("/search/attach/{$phid}/TASK/merge/")
         ->setWorkflow(true)
-        ->setWorkflow(true)
         ->setIcon('merge'));
 
     $view->addAction(

src/applications/maniphest/editor/ManiphestTransactionEditor.php

@@ -438,5 +438,39 @@ final class ManiphestTransactionEditor extends PhabricatorEditor {
     return (double)(2 << 32);
   }
 
+  public static function addCC(
+    ManiphestTask $task,
+    PhabricatorUser $user) {
+    $current_ccs = $task->getCCPHIDs();
+    $new_ccs = array_merge($current_ccs, array($user->getPHID()));
 
+    $transaction = new ManiphestTransaction();
+    $transaction->setTaskID($task->getID());
+    $transaction->setAuthorPHID($user->getPHID());
+    $transaction->setTransactionType(ManiphestTransactionType::TYPE_CCS);
+    $transaction->setNewValue(array_unique($new_ccs));
+    $transaction->setOldValue($current_ccs);
+
+    id(new ManiphestTransactionEditor())
+      ->setActor($user)
+      ->applyTransactions($task, array($transaction));
+  }
+
+  public static function removeCC(
+    ManiphestTask $task,
+    PhabricatorUser $user) {
+    $current_ccs = $task->getCCPHIDs();
+    $new_ccs = array_diff($current_ccs, array($user->getPHID()));
+
+    $transaction = new ManiphestTransaction();
+    $transaction->setTaskID($task->getID());
+    $transaction->setAuthorPHID($user->getPHID());
+    $transaction->setTransactionType(ManiphestTransactionType::TYPE_CCS);
+    $transaction->setNewValue(array_unique($new_ccs));
+    $transaction->setOldValue($current_ccs);
+
+    id(new ManiphestTransactionEditor())
+      ->setActor($user)
+      ->applyTransactions($task, array($transaction));
+  }
 }