upgrade repository delete function to full-blown workflow

Summary: fancy title. really just make the delete() method aware of related objects and build a quick workflow which calls delete(). also make commit delete savvy about audit requests.

Test Plan: deleted a repository per the instructions given to me in the web UI

Reviewers: epriestley

Reviewed By: epriestley

CC: aran, Korvin

Maniphest Tasks: T1416, T1958, T1372

Differential Revision: https://secure.phabricator.com/D3822

scripts/repository/manage_repositories.php

@@ -35,6 +35,7 @@ $workflows = array(
   new PhabricatorRepositoryManagementPullWorkflow(),
   new PhabricatorRepositoryManagementDiscoverWorkflow(),
   new PhabricatorRepositoryManagementListWorkflow(),
+  new PhabricatorRepositoryManagementDeleteWorkflow(),
   new PhutilHelpArgumentWorkflow(),
 );
 

src/__phutil_library_map__.php

@@ -1010,6 +1010,7 @@ phutil_register_library_map(array(
     'PhabricatorRepositoryGitCommitChangeParserWorker' => 'applications/repository/worker/commitchangeparser/PhabricatorRepositoryGitCommitChangeParserWorker.php',
     'PhabricatorRepositoryGitCommitMessageParserWorker' => 'applications/repository/worker/commitmessageparser/PhabricatorRepositoryGitCommitMessageParserWorker.php',
     'PhabricatorRepositoryListController' => 'applications/repository/controller/PhabricatorRepositoryListController.php',
+    'PhabricatorRepositoryManagementDeleteWorkflow' => 'applications/repository/management/PhabricatorRepositoryManagementDeleteWorkflow.php',
     'PhabricatorRepositoryManagementDiscoverWorkflow' => 'applications/repository/management/PhabricatorRepositoryManagementDiscoverWorkflow.php',
     'PhabricatorRepositoryManagementListWorkflow' => 'applications/repository/management/PhabricatorRepositoryManagementListWorkflow.php',
     'PhabricatorRepositoryManagementPullWorkflow' => 'applications/repository/management/PhabricatorRepositoryManagementPullWorkflow.php',
@@ -2182,6 +2183,7 @@ phutil_register_library_map(array(
     'PhabricatorRepositoryGitCommitChangeParserWorker' => 'PhabricatorRepositoryCommitChangeParserWorker',
     'PhabricatorRepositoryGitCommitMessageParserWorker' => 'PhabricatorRepositoryCommitMessageParserWorker',
     'PhabricatorRepositoryListController' => 'PhabricatorRepositoryController',
+    'PhabricatorRepositoryManagementDeleteWorkflow' => 'PhabricatorRepositoryManagementWorkflow',
     'PhabricatorRepositoryManagementDiscoverWorkflow' => 'PhabricatorRepositoryManagementWorkflow',
     'PhabricatorRepositoryManagementListWorkflow' => 'PhabricatorRepositoryManagementWorkflow',
     'PhabricatorRepositoryManagementPullWorkflow' => 'PhabricatorRepositoryManagementWorkflow',

src/applications/repository/controller/PhabricatorRepositoryDeleteController.php

@@ -35,21 +35,27 @@ final class PhabricatorRepositoryDeleteController
     $request = $this->getRequest();
 
     if ($request->isDialogFormPost()) {
-      $repository->delete();
       return id(new AphrontRedirectResponse())->setURI('/repository/');
     }
 
     $dialog = new AphrontDialogView();
+    $text_1 = pht('If you really want to delete the repository, you must run:');
+    $command = 'bin/repository delete '.
+               phutil_escape_html($repository->getCallsign());
+    $text_2 = pht('Repositories touch many objects and as such deletes are '.
+                  'prohibitively expensive to run from the web UI.');
+    $body = phutil_render_tag(
+      'div',
+      array(
+        'class' => 'phabricator-remarkup',
+      ),
+      '<p>'.$text_1.'</p><p><tt>'.$command.'</tt></p><p>'.$text_2.'</p>');
     $dialog
       ->setUser($request->getUser())
-      ->setTitle('Really delete repository?')
-      ->appendChild(
-        '<p>Really delete the "'.phutil_escape_html($repository->getName()).
-        '" ('.phutil_escape_html($repository->getCallsign()).') repository? '.
-        'This operation can not be undone.</p>')
+      ->setTitle(pht('Really want to delete the repository?'))
+      ->appendChild($body)
       ->setSubmitURI('/repository/delete/'.$this->id.'/')
-      ->addSubmitButton('Delete Repository')
-      ->addCancelButton('/repository/');
+      ->addSubmitButton(pht('Okay'));
 
     return id(new AphrontDialogResponse())->setDialog($dialog);
   }

src/applications/repository/management/PhabricatorRepositoryManagementDeleteWorkflow.php

@@ -0,0 +1,61 @@
+<?php
+
+/*
+ * Copyright 2012 Facebook, Inc.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+final class PhabricatorRepositoryManagementDeleteWorkflow
+  extends PhabricatorRepositoryManagementWorkflow {
+
+  public function didConstruct() {
+    $this
+      ->setName('delete')
+      ->setExamples('**delete** __repository__ ...')
+      ->setSynopsis('Delete __repository__, named by callsign or PHID.')
+      ->setArguments(
+        array(
+          array(
+            'name'        => 'verbose',
+            'help'        => 'Show additional debugging information.',
+          ),
+          array(
+            'name'        => 'repos',
+            'wildcard'    => true,
+          ),
+        ));
+  }
+
+  public function execute(PhutilArgumentParser $args) {
+    $names = $args->getArg('repos');
+    $repos = PhabricatorRepository::loadAllByPHIDOrCallsign($names);
+
+    if (!$repos) {
+      throw new PhutilArgumentUsageException(
+        "Specify one or more repositories to delete, by callsign or PHID.");
+    }
+
+    $console = PhutilConsole::getConsole();
+    foreach ($repos as $repo) {
+      $console->writeOut("Deleting '%s'...\n", $repo->getCallsign());
+
+      $repo->delete();
+    }
+
+    $console->writeOut("Done.\n");
+
+    return 0;
+  }
+
+}

src/applications/repository/storage/PhabricatorRepository.php

@@ -548,4 +548,53 @@ final class PhabricatorRepository extends PhabricatorRepositoryDAO {
     return ($protocol == 'ssh' || $protocol == 'svn+ssh');
   }
 
+  public function delete() {
+    $this->openTransaction();
+
+      $paths = id(new PhabricatorOwnersPath())
+        ->loadAllWhere('repositoryPHID = %s', $this->getPHID());
+      foreach ($paths as $path) {
+        $path->delete();
+      }
+
+      $projects = id(new PhabricatorRepositoryArcanistProject())
+        ->loadAllWhere('repositoryID = %d', $this->getID());
+      foreach ($projects as $project) {
+        /// note each project deletes its PhabricatorRepositorySymbols
+        $project->delete();
+      }
+
+      $commits = id(new PhabricatorRepositoryCommit())
+        ->loadAllWhere('repositoryID = %d', $this->getID());
+      foreach ($commits as $commit) {
+        // note PhabricatorRepositoryAuditRequests and
+        // PhabricatorRepositoryCommitData are deleted here too.
+        $commit->delete();
+      }
+
+      $conn_w = $this->establishConnection('w');
+
+      queryfx(
+        $conn_w,
+        'DELETE FROM %T WHERE repositoryID = %d',
+        self::TABLE_FILESYSTEM,
+        $this->getID());
+
+      queryfx(
+        $conn_w,
+        'DELETE FROM %T WHERE repositoryID = %d',
+        self::TABLE_PATHCHANGE,
+        $this->getID());
+
+      queryfx(
+        $conn_w,
+        'DELETE FROM %T WHERE repositoryID = %d',
+        self::TABLE_SUMMARY,
+        $this->getID());
+
+      $result = parent::delete();
+
+    $this->saveTransaction();
+    return $result;
+  }
 }

src/applications/repository/storage/PhabricatorRepositoryCommit.php

@@ -91,11 +91,16 @@ final class PhabricatorRepositoryCommit extends PhabricatorRepositoryDAO {
 
   public function delete() {
     $data = $this->loadCommitData();
+    $audits = id(new PhabricatorRepositoryAuditRequest())
+      ->loadAllWhere('commitPHID = %s', $this->getPHID());
     $this->openTransaction();
 
       if ($data) {
         $data->delete();
       }
+      foreach ($audits as $audit) {
+        $audit->delete();
+      }
       $result = parent::delete();
 
     $this->saveTransaction();