Use ApplicationSearch in Ponder

Summary:
Ref T2625. Also modernize some other things:

  - Fix double-"subscribers".
  - Use byline and more standard date.
  - Modernize some of the use of crumbs and navigation.
  - Delete some dead / uncalled code.

Test Plan: {F50669}

Reviewers: btrahan

Reviewed By: btrahan

CC: aran

Maniphest Tasks: T3578, T2625

Differential Revision: https://secure.phabricator.com/D6486

src/__phutil_library_map__.php

@@ -1839,7 +1839,6 @@ phutil_register_library_map(array(
     'PonderConstants' => 'applications/ponder/PonderConstants.php',
     'PonderController' => 'applications/ponder/controller/PonderController.php',
     'PonderDAO' => 'applications/ponder/storage/PonderDAO.php',
-    'PonderFeedController' => 'applications/ponder/controller/PonderFeedController.php',
     'PonderMail' => 'applications/ponder/mail/PonderMail.php',
     'PonderMentionMail' => 'applications/ponder/mail/PonderMentionMail.php',
     'PonderPostBodyView' => 'applications/ponder/view/PonderPostBodyView.php',
@@ -1847,9 +1846,11 @@ phutil_register_library_map(array(
     'PonderQuestionAskController' => 'applications/ponder/controller/PonderQuestionAskController.php',
     'PonderQuestionDetailView' => 'applications/ponder/view/PonderQuestionDetailView.php',
     'PonderQuestionEditor' => 'applications/ponder/editor/PonderQuestionEditor.php',
+    'PonderQuestionListController' => 'applications/ponder/controller/PonderQuestionListController.php',
     'PonderQuestionMailReceiver' => 'applications/ponder/mail/PonderQuestionMailReceiver.php',
     'PonderQuestionPreviewController' => 'applications/ponder/controller/PonderQuestionPreviewController.php',
     'PonderQuestionQuery' => 'applications/ponder/query/PonderQuestionQuery.php',
+    'PonderQuestionSearchEngine' => 'applications/ponder/query/PonderQuestionSearchEngine.php',
     'PonderQuestionSummaryView' => 'applications/ponder/view/PonderQuestionSummaryView.php',
     'PonderQuestionViewController' => 'applications/ponder/controller/PonderQuestionViewController.php',
     'PonderRemarkupRule' => 'applications/ponder/remarkup/PonderRemarkupRule.php',
@@ -3866,7 +3867,6 @@ phutil_register_library_map(array(
     'PonderCommentSaveController' => 'PonderController',
     'PonderController' => 'PhabricatorController',
     'PonderDAO' => 'PhabricatorLiskDAO',
-    'PonderFeedController' => 'PonderController',
     'PonderMail' => 'PhabricatorMail',
     'PonderMentionMail' => 'PonderMail',
     'PonderPostBodyView' => 'AphrontView',
@@ -3882,9 +3882,15 @@ phutil_register_library_map(array(
     'PonderQuestionAskController' => 'PonderController',
     'PonderQuestionDetailView' => 'AphrontView',
     'PonderQuestionEditor' => 'PhabricatorEditor',
+    'PonderQuestionListController' =>
+    array(
+      0 => 'PonderController',
+      1 => 'PhabricatorApplicationSearchResultsControllerInterface',
+    ),
     'PonderQuestionMailReceiver' => 'PhabricatorObjectMailReceiver',
     'PonderQuestionPreviewController' => 'PonderController',
     'PonderQuestionQuery' => 'PhabricatorCursorPagedPolicyAwareQuery',
+    'PonderQuestionSearchEngine' => 'PhabricatorApplicationSearchEngine',
     'PonderQuestionSummaryView' => 'AphrontView',
     'PonderQuestionViewController' => 'PonderController',
     'PonderRemarkupRule' => 'PhabricatorRemarkupRuleObject',

src/applications/ponder/application/PhabricatorApplicationPonder.php

@@ -49,9 +49,7 @@ final class PhabricatorApplicationPonder extends PhabricatorApplication {
     return array(
       '/Q(?P<id>[1-9]\d*)' => 'PonderQuestionViewController',
       '/ponder/' => array(
-        '(?P<page>feed/)?' => 'PonderFeedController',
-        '(?P<page>questions)/' => 'PonderFeedController',
-        '(?P<page>answers)/' => 'PonderFeedController',
+        '(?:query/(?P<queryKey>[^/]+)/)?' => 'PonderQuestionListController',
         'answer/add/' => 'PonderAnswerSaveController',
         'answer/preview/' => 'PonderAnswerPreviewController',
         'question/ask/' => 'PonderQuestionAskController',

src/applications/ponder/controller/PonderController.php

@@ -2,30 +2,19 @@
 
 abstract class PonderController extends PhabricatorController {
 
-  public function buildStandardPageResponse($view, array $data) {
+  protected function buildSideNavView() {
+    $user = $this->getRequest()->getUser();
 
-    $page = $this->buildStandardPageView();
-    $page->setApplicationName(pht('Ponder!'));
-    $page->setBaseURI('/ponder/');
-    $page->setTitle(idx($data, 'title'));
-    $page->setGlyph("\xE2\x97\xB3");
-    $page->appendChild($view);
-    $page->setSearchDefaultScope(PhabricatorSearchScope::SCOPE_QUESTIONS);
+    $nav = new AphrontSideNavFilterView();
+    $nav->setBaseURI(new PhutilURI($this->getApplicationURI()));
 
-    $response = new AphrontWebpageResponse();
-    return $response->setContent($page->render());
-  }
+    id(new PonderQuestionSearchEngine())
+      ->setViewer($user)
+      ->addNavigationItems($nav->getMenu());
 
-  protected function buildSideNavView(PonderQuestion $question = null) {
-    $side_nav = new AphrontSideNavFilterView();
-    $side_nav->setBaseURI(new PhutilURI($this->getApplicationURI()));
+    $nav->selectFilter(null);
 
-    $side_nav->addLabel(pht('Questions'));
-    $side_nav->addFilter('feed', pht('All Questions'));
-    $side_nav->addFilter('questions', pht('Your Questions'));
-    $side_nav->addFilter('answers', pht('Your Answers'));
-
-    return $side_nav;
+    return $nav;
   }
 
   public function buildApplicationCrumbs() {
@@ -33,8 +22,8 @@ abstract class PonderController extends PhabricatorController {
     $crumbs
       ->addAction(
         id(new PHUIListItemView())
-          ->setName(pht('New Question'))
-          ->setHref('/ponder/question/ask')
+          ->setName(pht('Create Question'))
+          ->setHref('/ponder/question/ask/')
           ->setIcon('create'));
 
     return $crumbs;

src/applications/ponder/controller/PonderFeedController.php

@@ -1,119 +0,0 @@
-<?php
-
-final class PonderFeedController extends PonderController {
-  private $page;
-  private $answerOffset;
-
-  const PROFILE_ANSWER_PAGE_SIZE = 10;
-
-  public function willProcessRequest(array $data) {
-    $this->page = idx($data, 'page');
-  }
-
-  public function processRequest() {
-    $request = $this->getRequest();
-    $user = $request->getUser();
-    $this->answerOffset = $request->getInt('aoff');
-
-    $pages = array(
-      'feed'      => pht('All Questions'),
-      'questions' => pht('Your Questions'),
-      'answers'   => pht('Your Answers'),
-    );
-
-    $side_nav = $this->buildSideNavView();
-    $this->page = $side_nav->selectFilter($this->page, 'feed');
-    $title = $pages[$this->page];
-
-    $crumbs = $this->buildApplicationCrumbs($this->buildSideNavView());
-    $crumbs->addCrumb(
-      id(new PhabricatorCrumbView())
-        ->setName($title)
-        ->setHref($this->getApplicationURI()));
-    $side_nav->setCrumbs($crumbs);
-
-    switch ($this->page) {
-      case 'feed':
-      case 'questions':
-        $pager = new AphrontPagerView();
-        $pager->setOffset($request->getStr('offset'));
-        $pager->setURI($request->getRequestURI(), 'offset');
-
-        $query = id(new PonderQuestionQuery())
-          ->setViewer($user);
-
-        if ($this->page == 'feed') {
-          $query
-            ->setOrder(PonderQuestionQuery::ORDER_HOTTEST);
-        } else {
-          $query
-            ->setOrder(PonderQuestionQuery::ORDER_CREATED)
-            ->withAuthorPHIDs(array($user->getPHID()));
-        }
-
-        $questions = $query->executeWithOffsetPager($pager);
-
-        $this->loadHandles(mpull($questions, 'getAuthorPHID'));
-
-        $view = $this->buildQuestionListView($questions);
-        $view->setPager($pager);
-
-        $side_nav->appendChild($view);
-        break;
-      case 'answers':
-        $answers = PonderAnswerQuery::loadByAuthorWithQuestions(
-          $user,
-          $user->getPHID(),
-          $this->answerOffset,
-          self::PROFILE_ANSWER_PAGE_SIZE + 1);
-
-        $side_nav->appendChild(
-          id(new PonderUserProfileView())
-          ->setUser($user)
-          ->setAnswers($answers)
-          ->setAnswerOffset($this->answerOffset)
-          ->setPageSize(self::PROFILE_ANSWER_PAGE_SIZE)
-          ->setURI(new PhutilURI("/ponder/profile/"), "aoff"));
-        break;
-    }
-
-
-    return $this->buildApplicationPage(
-      $side_nav,
-      array(
-        'device'  => true,
-        'title'   => $title,
-        'dust'    => true,
-      ));
-  }
-
-  private function buildQuestionListView(array $questions) {
-    assert_instances_of($questions, 'PonderQuestion');
-    $user = $this->getRequest()->getUser();
-
-    $view = new PhabricatorObjectItemListView();
-    $view->setUser($user);
-    $view->setNoDataString(pht('No matching questions.'));
-    foreach ($questions as $question) {
-      $item = new PhabricatorObjectItemView();
-      $item->setObjectName('Q'.$question->getID());
-      $item->setHeader($question->getTitle());
-      $item->setHref('/Q'.$question->getID());
-      $item->setObject($question);
-
-      $item->addAttribute(
-        pht(
-          'Asked by %s on %s',
-          $this->getHandle($question->getAuthorPHID())->renderLink(),
-          phabricator_date($question->getDateCreated(), $user)));
-
-      $item->addAttribute(
-        pht('%d Answer(s)', $question->getAnswerCount()));
-
-      $view->addItem($item);
-    }
-
-    return $view;
-  }
-
-}

src/applications/ponder/controller/PonderQuestionAskController.php

@@ -52,8 +52,6 @@ final class PonderQuestionAskController extends PonderController {
         ->setErrors($errors);
     }
 
-    $header = id(new PhabricatorHeaderView())->setHeader(pht('Ask Question'));
-
     $form = id(new AphrontFormView())
       ->setUser($user)
       ->setFlexible(true)
@@ -72,7 +70,8 @@ final class PonderQuestionAskController extends PonderController {
           ->setUser($user))
       ->appendChild(
         id(new AphrontFormSubmitControl())
-        ->setValue(pht('Ask Away!')));
+          ->addCancelButton($this->getApplicationURI())
+          ->setValue(pht('Ask Away!')));
 
     $preview = hsprintf(
       '<div class="aphront-panel-flush">'.
@@ -91,19 +90,18 @@ final class PonderQuestionAskController extends PonderController {
         'question_id' => null
       ));
 
-    $nav = $this->buildSideNavView($question);
-    $nav->selectFilter($question->getID() ? null : 'question/ask');
+    $crumbs = $this->buildApplicationCrumbs();
+    $crumbs->addCrumb(
+      id(new PhabricatorCrumbView())
+        ->setName(pht('Ask Question')));
 
-    $nav->appendChild(
+    return $this->buildApplicationPage(
       array(
-        $header,
+        $crumbs,
         $error_view,
         $form,
         $preview,
-      ));
-
-    return $this->buildApplicationPage(
-      $nav,
+      ),
       array(
         'device' => true,
         'dust' => true,

src/applications/ponder/controller/PonderQuestionListController.php

@@ -0,0 +1,65 @@
+<?php
+
+final class PonderQuestionListController extends PonderController
+  implements PhabricatorApplicationSearchResultsControllerInterface {
+
+  private $queryKey;
+
+  public function shouldAllowPublic() {
+    return true;
+  }
+
+  public function willProcessRequest(array $data) {
+    $this->queryKey = idx($data, 'queryKey');
+  }
+
+  public function processRequest() {
+    $request = $this->getRequest();
+    $controller = id(new PhabricatorApplicationSearchController($request))
+      ->setQueryKey($this->queryKey)
+      ->setSearchEngine(new PonderQuestionSearchEngine())
+      ->setNavigation($this->buildSideNavView());
+
+    return $this->delegateToController($controller);
+  }
+
+  public function renderResultsList(
+    array $questions,
+    PhabricatorSavedQuery $query) {
+    assert_instances_of($questions, 'PonderQuestion');
+    $viewer = $this->getRequest()->getUser();
+
+    $phids = array();
+    $phids[] = mpull($questions, 'getAuthorPHID');
+    $phids = array_mergev($phids);
+
+    $handles = $this->loadViewerHandles($phids);
+
+
+    $view = id(new PhabricatorObjectItemListView())
+      ->setUser($viewer);
+
+    foreach ($questions as $question) {
+      $item = new PhabricatorObjectItemView();
+      $item->setObjectName('Q'.$question->getID());
+      $item->setHeader($question->getTitle());
+      $item->setHref('/Q'.$question->getID());
+      $item->setObject($question);
+
+      $created_date = phabricator_date($question->getDateCreated(), $viewer);
+      $item->addIcon('none', $created_date);
+      $item->addByline(
+        pht(
+          'Asked by %s',
+          $handles[$question->getAuthorPHID()]->renderLink()));
+
+      $item->addAttribute(
+        pht('%d Answer(s)', $question->getAnswerCount()));
+
+      $view->addItem($item);
+    }
+
+    return $view;
+  }
+
+}

src/applications/ponder/controller/PonderQuestionViewController.php

@@ -36,10 +36,7 @@ final class PonderQuestionViewController extends PonderController {
       }
     }
 
-    $subscribers = PhabricatorSubscribersQuery::loadSubscribersForPHID(
-      $question->getPHID());
-
-    $object_phids = array_merge($object_phids, $subscribers);
+    $object_phids = array_merge($object_phids);
 
     $this->loadHandles($object_phids);
     $handles = $this->getLoadedHandles();
@@ -67,7 +64,7 @@ final class PonderQuestionViewController extends PonderController {
       ->setHeader($question->getTitle());
 
     $actions = $this->buildActionListView($question);
-    $properties = $this->buildPropertyListView($question, $subscribers);
+    $properties = $this->buildPropertyListView($question);
 
     $crumbs = $this->buildApplicationCrumbs($this->buildSideNavView());
     $crumbs->setActionList($actions);
@@ -76,8 +73,7 @@ final class PonderQuestionViewController extends PonderController {
           ->setName('Q'.$this->questionID)
           ->setHref('/Q'.$this->questionID));
 
-    $nav = $this->buildSideNavView($question);
-    $nav->appendChild(
+    return $this->buildApplicationPage(
       array(
         $crumbs,
         $header,
@@ -86,12 +82,7 @@ final class PonderQuestionViewController extends PonderController {
         $detail_panel,
         $responses_panel,
         $answer_add_panel
-      ));
-    $nav->selectFilter(null);
-
-
-    return $this->buildApplicationPage(
-      $nav,
+      ),
       array(
         'device' => true,
         'title' => 'Q'.$question->getID().' '.$question->getTitle(),
@@ -108,8 +99,7 @@ final class PonderQuestionViewController extends PonderController {
   }
 
   private function buildPropertyListView(
-    PonderQuestion $question,
-    array $subscribers) {
+    PonderQuestion $question) {
 
     $viewer = $this->getRequest()->getUser();
     $view = id(new PhabricatorPropertyListView())
@@ -123,14 +113,6 @@ final class PonderQuestionViewController extends PonderController {
       pht('Created'),
       phabricator_datetime($question->getDateCreated(), $viewer));
 
-    if ($subscribers) {
-      $subscribers = $this->renderHandlesForPHIDs($subscribers);
-    }
-
-    $view->addProperty(
-      pht('Subscribers'),
-      nonempty($subscribers, phutil_tag('em', array(), pht('None'))));
-
     return $view;
   }
 }

src/applications/ponder/query/PonderAnswerQuery.php

@@ -27,39 +27,6 @@ final class PonderAnswerQuery extends PhabricatorOffsetPagedQuery {
     return $this;
   }
 
-  public static function loadByAuthorWithQuestions(
-      $viewer,
-      $phid,
-      $offset,
-      $count) {
-
-    if (!$viewer) {
-      throw new Exception("Must set viewer when calling loadByAuthor...");
-    }
-
-    $answers = id(new PonderAnswerQuery())
-      ->withAuthorPHID($phid)
-      ->orderByNewest(true)
-      ->setOffset($offset)
-      ->setLimit($count)
-      ->execute();
-
-    $answerset = new LiskDAOSet();
-    foreach ($answers as $answer) {
-      $answerset->addToSet($answer);
-    }
-
-    foreach ($answers as $answer) {
-      $question = $answer->loadOneRelative(
-        new PonderQuestion(),
-        'id',
-        'getQuestionID');
-      $answer->setQuestion($question);
-    }
-
-    return $answers;
-  }
-
   public static function loadByAuthor($viewer, $author_phid, $offset, $count) {
     if (!$viewer) {
       throw new Exception("Must set viewer when calling loadByAuthor");

src/applications/ponder/query/PonderQuestionQuery.php

@@ -9,6 +9,7 @@ final class PonderQuestionQuery
   private $ids;
   private $phids;
   private $authorPHIDs;
+  private $answererPHIDs;
   private $order = self::ORDER_CREATED;
 
   public function withIDs(array $ids) {
@@ -26,6 +27,11 @@ final class PonderQuestionQuery
     return $this;
   }
 
+  public function withAnswererPHIDs(array $phids) {
+    $this->answererPHIDs = $phids;
+    return $this;
+  }
+
   public function setOrder($order) {
     $this->order = $order;
     return $this;
@@ -57,15 +63,24 @@ final class PonderQuestionQuery
     $where = array();
 
     if ($this->ids) {
-      $where[] = qsprintf($conn_r, 'q.id IN (%Ld)', $this->ids);
+      $where[] = qsprintf(
+        $conn_r,
+        'q.id IN (%Ld)',
+        $this->ids);
     }
 
     if ($this->phids) {
-      $where[] = qsprintf($conn_r, 'q.phid IN (%Ls)', $this->phids);
+      $where[] = qsprintf(
+        $conn_r,
+        'q.phid IN (%Ls)',
+        $this->phids);
     }
 
     if ($this->authorPHIDs) {
-      $where[] = qsprintf($conn_r, 'q.authorPHID IN (%Ls)', $this->authorPHIDs);
+      $where[] = qsprintf(
+        $conn_r,
+        'q.authorPHID IN (%Ls)',
+        $this->authorPHIDs);
     }
 
     $where[] = $this->buildPagingClause($conn_r);
@@ -88,19 +103,31 @@ final class PonderQuestionQuery
     $question = new PonderQuestion();
     $conn_r = $question->establishConnection('r');
 
-    $where = $this->buildWhereClause($conn_r);
-    $order_by = $this->buildOrderByClause($conn_r);
-    $limit = $this->buildLimitClause($conn_r);
+    $data = queryfx_all(
+      $conn_r,
+      'SELECT q.* FROM %T q %Q %Q %Q %Q',
+      $question->getTableName(),
+      $this->buildJoinsClause($conn_r),
+      $this->buildWhereClause($conn_r),
+      $this->buildOrderByClause($conn_r),
+      $this->buildLimitClause($conn_r));
 
-    return $question->loadAllFromArray(
-      queryfx_all(
-        $conn_r,
-        'SELECT q.* FROM %T q %Q %Q %Q',
-        $question->getTableName(),
-        $where,
-        $order_by,
-        $limit));
+    return $question->loadAllFromArray($data);
   }
 
+  private function buildJoinsClause(AphrontDatabaseConnection $conn_r) {
+    $joins = array();
+
+    if ($this->answererPHIDs) {
+      $answer_table = new PonderAnswer();
+      $joins[] = qsprintf(
+        $conn_r,
+        'JOIN %T a ON a.questionID = q.id AND a.authorPHID IN (%Ls)',
+        $answer_table->getTableName(),
+        $this->answererPHIDs);
+    }
+
+    return implode(' ', $joins);
+  }
 
 }

src/applications/ponder/query/PonderQuestionSearchEngine.php

@@ -0,0 +1,105 @@
+<?php
+
+final class PonderQuestionSearchEngine
+  extends PhabricatorApplicationSearchEngine {
+
+  public function buildSavedQueryFromRequest(AphrontRequest $request) {
+    $saved = new PhabricatorSavedQuery();
+
+    $saved->setParameter(
+      'authorPHIDs',
+      array_values($request->getArr('authors')));
+
+    $saved->setParameter(
+      'answererPHIDs',
+      array_values($request->getArr('answerers')));
+
+    return $saved;
+  }
+
+  public function buildQueryFromSavedQuery(PhabricatorSavedQuery $saved) {
+    $query = id(new PonderQuestionQuery());
+
+    $author_phids = $saved->getParameter('authorPHIDs');
+    if ($author_phids) {
+      $query->withAuthorPHIDs($author_phids);
+    }
+
+    $answerer_phids = $saved->getParameter('answererPHIDs');
+    if ($answerer_phids) {
+      $query->withAnswererPHIDs($answerer_phids);
+    }
+
+    return $query;
+  }
+
+  public function buildSearchForm(
+    AphrontFormView $form,
+    PhabricatorSavedQuery $saved_query) {
+
+    $author_phids = $saved_query->getParameter('authorPHIDs', array());
+    $answerer_phids = $saved_query->getParameter('answererPHIDs', array());
+
+    $phids = array_merge($author_phids, $answerer_phids);
+    $handles = id(new PhabricatorObjectHandleData($phids))
+      ->setViewer($this->requireViewer())
+      ->loadHandles();
+    $tokens = mpull($handles, 'getFullName', 'getPHID');
+
+    $author_tokens = array_select_keys($tokens, $author_phids);
+    $answerer_tokens = array_select_keys($tokens, $answerer_phids);
+
+    $form
+      ->appendChild(
+        id(new AphrontFormTokenizerControl())
+          ->setDatasource('/typeahead/common/users/')
+          ->setName('authors')
+          ->setLabel(pht('Authors'))
+          ->setValue($author_tokens))
+      ->appendChild(
+        id(new AphrontFormTokenizerControl())
+          ->setDatasource('/typeahead/common/users/')
+          ->setName('answerers')
+          ->setLabel(pht('Answered By'))
+          ->setValue($answerer_tokens));
+  }
+
+  protected function getURI($path) {
+    return '/ponder/'.$path;
+  }
+
+  public function getBuiltinQueryNames() {
+    $names = array(
+      'all' => pht('All Questions'),
+    );
+
+    if ($this->requireViewer()->isLoggedIn()) {
+      $names['authored'] = pht('Authored');
+      $names['answered'] = pht('Answered');
+    }
+
+    return $names;
+  }
+
+  public function buildSavedQueryFromBuiltin($query_key) {
+
+    $query = $this->newSavedQuery();
+    $query->setQueryKey($query_key);
+
+    switch ($query_key) {
+      case 'all':
+        return $query;
+      case 'authored':
+        return $query->setParameter(
+          'authorPHIDs',
+          array($this->requireViewer()->getPHID()));
+      case 'answered':
+        return $query->setParameter(
+          'answererPHIDs',
+          array($this->requireViewer()->getPHID()));
+    }
+
+    return parent::buildSavedQueryFromBuiltin($query_key);
+  }
+
+}