Add a Phrequent curtain extension

Summary: Fixes T10546. Some day, decades from now, we can revisit this when we iterate on Phrequent. Just don't regress for no real reason in the meantime, since it's easy enough to keep it working in reasonable shape.

Test Plan: {F1169096}

Reviewers: chad

Reviewed By: chad

Maniphest Tasks: T10546

Differential Revision: https://secure.phabricator.com/D15461

src/__phutil_library_map__.php

@@ -3794,6 +3794,7 @@ phutil_register_library_map(array(
     'PhragmentZIPController' => 'applications/phragment/controller/PhragmentZIPController.php',
     'PhrequentConduitAPIMethod' => 'applications/phrequent/conduit/PhrequentConduitAPIMethod.php',
     'PhrequentController' => 'applications/phrequent/controller/PhrequentController.php',
+    'PhrequentCurtainExtension' => 'applications/phrequent/engineextension/PhrequentCurtainExtension.php',
     'PhrequentDAO' => 'applications/phrequent/storage/PhrequentDAO.php',
     'PhrequentListController' => 'applications/phrequent/controller/PhrequentListController.php',
     'PhrequentPopConduitAPIMethod' => 'applications/phrequent/conduit/PhrequentPopConduitAPIMethod.php',
@@ -8498,6 +8499,7 @@ phutil_register_library_map(array(
     'PhragmentZIPController' => 'PhragmentController',
     'PhrequentConduitAPIMethod' => 'ConduitAPIMethod',
     'PhrequentController' => 'PhabricatorController',
+    'PhrequentCurtainExtension' => 'PHUICurtainExtension',
     'PhrequentDAO' => 'PhabricatorLiskDAO',
     'PhrequentListController' => 'PhrequentController',
     'PhrequentPopConduitAPIMethod' => 'PhrequentConduitAPIMethod',

src/applications/phrequent/engineextension/PhrequentCurtainExtension.php

@@ -0,0 +1,87 @@
+<?php
+
+final class PhrequentCurtainExtension
+  extends PHUICurtainExtension {
+
+  const EXTENSIONKEY = 'phrequent.time';
+
+  public function shouldEnableForObject($object) {
+    return ($object instanceof PhrequentTrackableInterface);
+  }
+
+  public function getExtensionApplication() {
+    return new PhabricatorPhrequentApplication();
+  }
+
+  public function buildCurtainPanel($object) {
+    $viewer = $this->getViewer();
+
+    $events = id(new PhrequentUserTimeQuery())
+      ->setViewer($viewer)
+      ->withObjectPHIDs(array($object->getPHID()))
+      ->needPreemptingEvents(true)
+      ->execute();
+    $event_groups = mgroup($events, 'getUserPHID');
+
+    if (!$events) {
+      return;
+    }
+
+    $handles = $viewer->loadHandles(array_keys($event_groups));
+    $status_view = new PHUIStatusListView();
+
+    foreach ($event_groups as $user_phid => $event_group) {
+      $item = new PHUIStatusItemView();
+      $item->setTarget($handles[$user_phid]->renderLink());
+
+      $state = 'stopped';
+      foreach ($event_group as $event) {
+        if ($event->getDateEnded() === null) {
+          if ($event->isPreempted()) {
+            $state = 'suspended';
+          } else {
+            $state = 'active';
+            break;
+          }
+        }
+      }
+
+      switch ($state) {
+        case 'active':
+          $item->setIcon(
+            PHUIStatusItemView::ICON_CLOCK,
+            'green',
+            pht('Working Now'));
+          break;
+        case 'suspended':
+          $item->setIcon(
+            PHUIStatusItemView::ICON_CLOCK,
+            'yellow',
+            pht('Interrupted'));
+          break;
+        case 'stopped':
+          $item->setIcon(
+            PHUIStatusItemView::ICON_CLOCK,
+            'bluegrey',
+            pht('Not Working Now'));
+          break;
+      }
+
+      $block = new PhrequentTimeBlock($event_group);
+      $item->setNote(
+        phutil_format_relative_time(
+          $block->getTimeSpentOnObject(
+            $object->getPHID(),
+            time())));
+
+      $status_view->addItem($item);
+    }
+
+
+    return $this->newPanel()
+      ->setHeaderText(pht('Time Spent'))
+      ->setOrder(40000)
+      ->appendChild($status_view);
+  }
+
+}