Allow Maniphest filtering by "upforgrabs" explicitly

Summary:
Allow you to filter by "upforgrabs" to find unassigned tasks.

Test Plan:
Filtered by "upforgrabs".

Reviewed By: tuomaspelkonen
Reviewers: tuomaspelkonen, jungejason, aran
Commenters: aran
CC: sandra, anjali, aran, tuomaspelkonen, epriestley
Differential Revision: 365

src/__phutil_library_map__.php

@@ -268,6 +268,7 @@ phutil_register_library_map(array(
     'ManiphestTaskEditController' => 'applications/maniphest/controller/taskedit',
     'ManiphestTaskListController' => 'applications/maniphest/controller/tasklist',
     'ManiphestTaskListView' => 'applications/maniphest/view/tasklist',
+    'ManiphestTaskOwner' => 'applications/maniphest/constants/owner',
     'ManiphestTaskPriority' => 'applications/maniphest/constants/priority',
     'ManiphestTaskStatus' => 'applications/maniphest/constants/status',
     'ManiphestTaskSummaryView' => 'applications/maniphest/view/tasksummary',

src/applications/maniphest/constants/owner/ManiphestTaskOwner.php

@@ -0,0 +1,23 @@
+<?php
+
+/*
+ * Copyright 2011 Facebook, Inc.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+final class ManiphestTaskOwner {
+
+  const OWNER_UP_FOR_GRABS = 'PHID-!!!!-UP-FOR-GRABS';
+
+}

src/applications/maniphest/constants/owner/__init__.php

@@ -0,0 +1,10 @@
+<?php
+/**
+ * This file is automatically generated. Lint this module to rebuild it.
+ * @generated
+ */
+
+
+
+
+phutil_require_source('ManiphestTaskOwner.php');

src/applications/maniphest/controller/tasklist/ManiphestTaskListController.php

@@ -113,9 +113,10 @@ class ManiphestTaskListController extends ManiphestController {
       $form->appendChild(
         id(new AphrontFormTokenizerControl())
           ->setLimit(1)
-          ->setDatasource('/typeahead/common/users/')
+          ->setDatasource('/typeahead/common/searchowner/')
           ->setName('view_user')
           ->setLabel('View User')
+          ->setCaption('Use "upforgrabs" to find unassigned tasks.')
           ->setValue(
             array(
               $view_phid => $handles[$view_phid]->getFullName(),
@@ -211,6 +212,14 @@ class ManiphestTaskListController extends ManiphestController {
   private function loadTasks($view_phid, array $dict) {
     $phids = array($view_phid);
 
+    $include_upforgrabs = false;
+    foreach ($phids as $key => $phid) {
+      if ($phid == ManiphestTaskOwner::OWNER_UP_FOR_GRABS) {
+        unset($phids[$key]);
+        $include_upforgrabs = true;
+      }
+    }
+
     $task = new ManiphestTask();
 
     $argv = array();
@@ -229,16 +238,39 @@ class ManiphestTaskListController extends ManiphestController {
     $extra_clause = '1 = 1';
     switch ($this->view) {
       case 'action':
-        $extra_clause = 'ownerPHID in (%Ls)';
-        $argv[] = $phids;
+        $parts = array();
+        if ($phids) {
+          $parts[] = 'ownerPHID in (%Ls)';
+          $argv[] = $phids;
+        }
+        if ($include_upforgrabs) {
+          $parts[] = 'ownerPHID IS NULL';
+        }
+        $extra_clause = '('.implode(' OR ', $parts).')';
         break;
       case 'created':
-        $extra_clause = 'authorPHID in (%Ls)';
-        $argv[] = $phids;
+        $parts = array();
+        if ($phids) {
+          $parts[] = 'authorPHID in (%Ls)';
+          $argv[] = $phids;
+        }
+        if ($include_upforgrabs) {
+          // This should be impossible since every task is supposed to have a
+          // valid author, but we might as well run the query.
+          $parts[] = 'authorPHID IS NULL';
+        }
+        $extra_clause = '('.implode(' OR ', $parts).')';
         break;
       case 'triage':
-        $extra_clause = 'ownerPHID in (%Ls) AND priority = %d';
-        $argv[] = $phids;
+        $parts = array();
+        if ($phids) {
+          $parts[] = 'ownerPHID in (%Ls)';
+          $argv[] = $phids;
+        }
+        if ($include_upforgrabs) {
+          $parts[] = 'ownerPHID IS NULL';
+        }
+        $extra_clause = '('.implode(' OR ', $parts).') AND priority = %d';
         $argv[] = ManiphestTaskPriority::PRIORITY_TRIAGE;
         break;
       case 'alltriage':

src/applications/maniphest/controller/tasklist/__init__.php

@@ -7,6 +7,7 @@
 
 
 phutil_require_module('phabricator', 'aphront/response/redirect');
+phutil_require_module('phabricator', 'applications/maniphest/constants/owner');
 phutil_require_module('phabricator', 'applications/maniphest/constants/priority');
 phutil_require_module('phabricator', 'applications/maniphest/constants/status');
 phutil_require_module('phabricator', 'applications/maniphest/controller/base');

src/applications/phid/handle/data/PhabricatorObjectHandleData.php

@@ -94,8 +94,9 @@ class PhabricatorObjectHandleData {
             $handle->setPHID($phid);
             $handle->setType($type);
             switch ($phid) {
-              case 'PHID-!!!!-UP-FOR-GRABS':
+              case ManiphestTaskOwner::OWNER_UP_FOR_GRABS:
                 $handle->setName('Up For Grabs');
+                $handle->setFullName('upforgrabs (Up For Grabs)');
                 break;
               default:
                 $handle->setName('Foul Magicks');

src/applications/phid/handle/data/__init__.php

@@ -7,6 +7,7 @@
 
 
 phutil_require_module('phabricator', 'applications/files/uri');
+phutil_require_module('phabricator', 'applications/maniphest/constants/owner');
 phutil_require_module('phabricator', 'applications/phid/constants');
 phutil_require_module('phabricator', 'applications/phid/handle');
 phutil_require_module('phabricator', 'applications/repository/constants/repositorytype');

src/applications/search/index/indexer/maniphest/PhabricatorSearchManiphestIndexer.php

@@ -100,7 +100,7 @@ class PhabricatorSearchManiphestIndexer
     } else {
       $doc->addRelationship(
         PhabricatorSearchRelationship::RELATIONSHIP_OWNER,
-        'PHID-!!!!-UP-FOR-GRABS',
+        ManiphestTaskOwner::OWNER_UP_FOR_GRABS,
         PhabricatorPHIDConstants::PHID_TYPE_MAGIC,
         $owner
           ? $owner->getDateCreated()

src/applications/search/index/indexer/maniphest/__init__.php

@@ -6,6 +6,7 @@
 
 
 
+phutil_require_module('phabricator', 'applications/maniphest/constants/owner');
 phutil_require_module('phabricator', 'applications/maniphest/constants/status');
 phutil_require_module('phabricator', 'applications/maniphest/constants/transactiontype');
 phutil_require_module('phabricator', 'applications/maniphest/storage/transaction');

src/applications/typeahead/controller/common/PhabricatorTypeaheadCommonDatasourceController.php

@@ -63,9 +63,9 @@ class PhabricatorTypeaheadCommonDatasourceController
 
     if ($need_upforgrabs) {
       $data[] = array(
-        'Up For Grabs',
+        'upforgrabs (Up For Grabs)',
         null,
-        'PHID-!!!!-UP-FOR-GRABS',
+        ManiphestTaskOwner::OWNER_UP_FOR_GRABS,
       );
     }
 

src/applications/typeahead/controller/common/__init__.php

@@ -7,6 +7,7 @@
 
 
 phutil_require_module('phabricator', 'aphront/response/ajax');
+phutil_require_module('phabricator', 'applications/maniphest/constants/owner');
 phutil_require_module('phabricator', 'applications/metamta/storage/mailinglist');
 phutil_require_module('phabricator', 'applications/owners/storage/package');
 phutil_require_module('phabricator', 'applications/people/storage/user');