Add a "close" action to Drydock resources

Summary: This does nothing fancy, just closes the resource and releases/breaks leases. They'll get cleaned up in some to-be-written GC process.

Test Plan: Closed resources from web UI and CLI.

Reviewers: btrahan

Reviewed By: btrahan

CC: aran

Maniphest Tasks: T2015

Differential Revision: https://secure.phabricator.com/D3998

src/applications/drydock/controller/DrydockResourceCloseController.php

@@ -0,0 +1,53 @@
+<?php
+
+final class DrydockResourceCloseController extends DrydockController {
+
+  private $id;
+
+  public function willProcessRequest(array $data) {
+    $this->id = $data['id'];
+  }
+
+  public function processRequest() {
+    $request = $this->getRequest();
+    $user = $request->getUser();
+
+    $resource = id(new DrydockResource())->load($this->id);
+    if (!$resource) {
+      return new Aphront404Response();
+    }
+
+    $resource_uri = '/resource/'.$resource->getID().'/';
+    $resource_uri = $this->getApplicationURI($resource_uri);
+
+    if ($resource->getStatus() != DrydockResourceStatus::STATUS_OPEN) {
+      $dialog = id(new AphrontDialogView())
+        ->setUser($user)
+        ->setTitle(pht('Resource Not Open'))
+        ->appendChild(
+          '<p>'.pht('You can only close "open" resources.').'</p>')
+        ->addCancelButton($resource_uri);
+
+      return id(new AphrontDialogResponse())->setDialog($dialog);
+    }
+
+    if (!$request->isDialogFormPost()) {
+      $dialog = id(new AphrontDialogView())
+        ->setUser($user)
+        ->setTitle(pht('Really close resource?'))
+        ->appendChild(
+          '<p>'.pht(
+            'Closing a resource releases all leases and destroys the '.
+            'resource. It can not be undone. Continue?').'</p>')
+        ->addSubmitButton(pht('Close Resource'))
+        ->addCancelButton($resource_uri);
+
+      return id(new AphrontDialogResponse())->setDialog($dialog);
+    }
+
+    $resource->closeResource();
+
+    return id(new AphrontReloadResponse())->setURI($resource_uri);
+  }
+
+}

src/applications/drydock/controller/DrydockResourceViewController.php

@@ -63,6 +63,18 @@ final class DrydockResourceViewController extends DrydockController {
       ->setUser($this->getRequest()->getUser())
       ->setObject($resource);
 
+    $can_close = ($resource->getStatus() == DrydockResourceStatus::STATUS_OPEN);
+    $uri = '/resource/'.$resource->getID().'/close/';
+    $uri = $this->getApplicationURI($uri);
+
+    $view->addAction(
+      id(new PhabricatorActionView())
+        ->setHref($uri)
+        ->setName(pht('Close Resource'))
+        ->setIcon('delete')
+        ->setWorkflow(true)
+        ->setDisabled(!$can_close));
+
     return $view;
   }