Move "Delete Repository" stuff to Diffusion

Summary: Ref T2231. This just moves the "Delete" dialog from Repositories to Diffusion. This dialog just shows instructions and isn't interesting.

Test Plan: {F75093}

Reviewers: btrahan, chad

Reviewed By: chad

CC: aran

Maniphest Tasks: T2231

Differential Revision: https://secure.phabricator.com/D7412

src/applications/diffusion/controller/DiffusionRepositoryEditDeleteController.php

@@ -0,0 +1,58 @@
+<?php
+
+final class DiffusionRepositoryEditDeleteController
+  extends DiffusionRepositoryEditController {
+
+  public function processRequest() {
+    $request = $this->getRequest();
+    $viewer = $request->getUser();
+    $drequest = $this->diffusionRequest;
+    $repository = $drequest->getRepository();
+
+    $repository = id(new PhabricatorRepositoryQuery())
+      ->setViewer($viewer)
+      ->requireCapabilities(
+        array(
+          PhabricatorPolicyCapability::CAN_VIEW,
+          PhabricatorPolicyCapability::CAN_EDIT,
+        ))
+      ->withIDs(array($repository->getID()))
+      ->executeOne();
+    if (!$repository) {
+      return new Aphront404Response();
+    }
+
+    $edit_uri = $this->getRepositoryControllerURI($repository, 'edit/');
+
+    $dialog = new AphrontDialogView();
+    $text_1 = pht(
+      'If you really want to delete the repository, run this command from '.
+      'the command line:');
+    $command = csprintf(
+      'phabricator/ $ ./bin/repository delete %s',
+      $repository->getCallsign());
+    $text_2 = pht('Repositories touch many objects and as such deletes are '.
+                  'prohibitively expensive to run from the web UI.');
+    $body = phutil_tag(
+      'div',
+      array(
+        'class' => 'phabricator-remarkup',
+      ),
+      array(
+        phutil_tag('p', array(), $text_1),
+        phutil_tag('p', array(),
+          phutil_tag('tt', array(), $command)),
+        phutil_tag('p', array(), $text_2),
+      ));
+
+    $dialog = id(new AphrontDialogView())
+      ->setUser($request->getUser())
+      ->setTitle(pht('Really want to delete the repository?'))
+      ->appendChild($body)
+      ->addCancelButton($edit_uri, pht('Okay'));
+
+    return id(new AphrontDialogResponse())->setDialog($dialog);
+  }
+
+
+}