Add support for querying feed transactions by author and date range

Summary: Depends on D20531. Ref T13294. Enable finding raw transactions in particular date ranges or with particular authors.

Test Plan: {F6463471}

Reviewers: amckinley

Reviewed By: amckinley

Maniphest Tasks: T13294

Differential Revision: https://secure.phabricator.com/D20533

src/applications/feed/query/PhabricatorFeedTransactionQuery.php

@@ -4,6 +4,7 @@ final class PhabricatorFeedTransactionQuery
   extends PhabricatorCursorPagedPolicyAwareQuery {
 
   private $phids;
+  private $authorPHIDs;
   private $createdMin;
   private $createdMax;
 
@@ -12,6 +13,11 @@ final class PhabricatorFeedTransactionQuery
     return $this;
   }
 
+  public function withAuthorPHIDs(array $phids) {
+    $this->authorPHIDs = $phids;
+    return $this;
+  }
+
   public function withDateCreatedBetween($min, $max) {
     $this->createdMin = $min;
     $this->createdMax = $max;
@@ -59,6 +65,7 @@ final class PhabricatorFeedTransactionQuery
     $created_max = $this->createdMax;
 
     $xaction_phids = $this->phids;
+    $author_phids = $this->authorPHIDs;
 
     foreach ($queries as $query) {
       $query->withDateCreatedBetween($created_min, $created_max);
@@ -67,6 +74,10 @@ final class PhabricatorFeedTransactionQuery
         $query->withPHIDs($xaction_phids);
       }
 
+      if ($author_phids !== null) {
+        $query->withAuthorPHIDs($author_phids);
+      }
+
       if ($limit !== null) {
         $query->setLimit($limit);
       }

src/applications/feed/query/PhabricatorFeedTransactionSearchEngine.php

@@ -16,12 +16,44 @@ final class PhabricatorFeedTransactionSearchEngine
   }
 
   protected function buildCustomSearchFields() {
-    return array();
+    return array(
+      id(new PhabricatorUsersSearchField())
+        ->setLabel(pht('Authors'))
+        ->setKey('authorPHIDs')
+        ->setAliases(array('author', 'authors')),
+      id(new PhabricatorSearchDateField())
+        ->setLabel(pht('Created After'))
+        ->setKey('createdStart'),
+      id(new PhabricatorSearchDateField())
+        ->setLabel(pht('Created Before'))
+        ->setKey('createdEnd'),
+    );
   }
 
   protected function buildQueryFromParameters(array $map) {
     $query = $this->newQuery();
 
+    if ($map['authorPHIDs']) {
+      $query->withAuthorPHIDs($map['authorPHIDs']);
+    }
+
+    $created_min = $map['createdStart'];
+    $created_max = $map['createdEnd'];
+
+    if ($created_min && $created_max) {
+      if ($created_min > $created_max) {
+        throw new PhabricatorSearchConstraintException(
+          pht(
+            'The specified "Created Before" date is earlier in time than the '.
+            'specified "Created After" date, so this query can never match '.
+            'any results.'));
+      }
+    }
+
+    if ($created_min || $created_max) {
+      $query->withDateCreatedBetween($created_min, $created_max);
+    }
+
     return $query;
   }
 
@@ -93,7 +125,7 @@ final class PhabricatorFeedTransactionSearchEngine
     $table = id(new AphrontTableView($rows))
       ->setHeaders(
         array(
-          pht('Actor'),
+          pht('Author'),
           pht('Object'),
           pht('Transaction'),
           pht('Date'),