Add a defaulty priority configuration flag for maniphest tasks

Summary: instance-wide this setting be

Test Plan: made a new task and noted the default priority honored what was in btrahan.conf

Reviewers: epriestley

Reviewed By: epriestley

CC: aran, Korvin

Maniphest Tasks: T1842

Differential Revision: https://secure.phabricator.com/D3626

src/applications/conduit/method/maniphest/ConduitAPI_maniphest_createtask_Method.php

@@ -42,7 +42,7 @@ final class ConduitAPI_maniphest_createtask_Method
 
   protected function execute(ConduitAPIRequest $request) {
     $task = new ManiphestTask();
-    $task->setPriority(ManiphestTaskPriority::PRIORITY_TRIAGE);
+    $task->setPriority(ManiphestTaskPriority::getDefaultPriority());
     $task->setAuthorPHID($request->getUser()->getPHID());
 
     $this->applyRequest($task, $request, $is_new = true);

src/applications/maniphest/ManiphestReplyHandler.php

@@ -87,6 +87,7 @@ final class ManiphestReplyHandler extends PhabricatorMailReplyHandler {
       $task->setAuthorPHID($user->getPHID());
       $task->setTitle(nonempty($mail->getSubject(), 'Untitled Task'));
       $task->setDescription($body);
+      $task->setPriority(ManiphestTaskPriority::getDefaultPriority());
 
     } else {
       $lines = explode("\n", trim($body));

src/applications/maniphest/constants/ManiphestTaskPriority.php

@@ -93,6 +93,17 @@ final class ManiphestTaskPriority extends ManiphestConstants {
   public static function getHighestPriority() {
     return self::PRIORITY_UNBREAK_NOW;
   }
+  /**
+   * Return the default priority for this instance of Phabricator.
+   *
+   * @return int The value of the default priority constant.
+   */
+  public static function getDefaultPriority() {
+    return PhabricatorEnv::getEnvConfig(
+      'maniphest.default-priority',
+      self::PRIORITY_TRIAGE
+    );
+  }
 
   /**
    * Retrieve the full name of the priority level provided.
@@ -104,4 +115,5 @@ final class ManiphestTaskPriority extends ManiphestConstants {
   public static function getTaskPriorityName($priority) {
     return idx(self::getTaskPriorityMap(), $priority, '???');
   }
+
 }

src/applications/maniphest/controller/ManiphestTaskEditController.php

@@ -43,7 +43,7 @@ final class ManiphestTaskEditController extends ManiphestController {
       }
     } else {
       $task = new ManiphestTask();
-      $task->setPriority(ManiphestTaskPriority::PRIORITY_TRIAGE);
+      $task->setPriority(ManiphestTaskPriority::getDefaultPriority());
       $task->setAuthorPHID($user->getPHID());
 
       // These allow task creation with defaults.