IRC Bot what's new directive

Summary:
Added "What's new?" to the ircbot

====Matches

```What is new?
What's new?
Whats new```

Test Plan:
<`Korvin> what is new?
<korvinbot-local> Derpen created D1: Herped the derp - http://phabricator.net/D1

It shows five.

Reviewers: epriestley

Reviewed By: epriestley

CC: epriestley, aran

Differential Revision: https://secure.phabricator.com/D1666

resources/ircbot/example_config.json

@@ -9,6 +9,7 @@
     "PhabricatorIRCProtocolHandler",
     "PhabricatorIRCObjectNameHandler",
     "PhabricatorIRCLogHandler",
+    "PhabricatorIRCWhatsNewHandler",
     "PhabricatorIRCDifferentialNotificationHandler"
   ],
 

src/__phutil_library_map__.php

@@ -565,6 +565,7 @@ phutil_register_library_map(array(
     'PhabricatorIRCMessage' => 'infrastructure/daemon/irc/message',
     'PhabricatorIRCObjectNameHandler' => 'infrastructure/daemon/irc/handler/objectname',
     'PhabricatorIRCProtocolHandler' => 'infrastructure/daemon/irc/handler/protocol',
+    'PhabricatorIRCWhatsNewHandler' => 'infrastructure/daemon/irc/handler/whatsnew',
     'PhabricatorImageTransformer' => 'applications/files/transform',
     'PhabricatorInfrastructureTestCase' => 'infrastructure/__tests__',
     'PhabricatorJavelinLinter' => 'infrastructure/lint/linter/javelin',
@@ -1315,6 +1316,7 @@ phutil_register_library_map(array(
     'PhabricatorIRCLogHandler' => 'PhabricatorIRCHandler',
     'PhabricatorIRCObjectNameHandler' => 'PhabricatorIRCHandler',
     'PhabricatorIRCProtocolHandler' => 'PhabricatorIRCHandler',
+    'PhabricatorIRCWhatsNewHandler' => 'PhabricatorIRCHandler',
     'PhabricatorInfrastructureTestCase' => 'PhabricatorTestCase',
     'PhabricatorJavelinLinter' => 'ArcanistLinter',
     'PhabricatorLintEngine' => 'PhutilLintEngine',

src/infrastructure/daemon/irc/handler/whatsnew/PhabricatorIRCWhatsNewHandler.php

@@ -0,0 +1,143 @@
+<?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.
+ */
+
+/**
+ * Responds to "Whats new?" using the feed.
+ *
+ * @group irc
+ */
+final class PhabricatorIRCWhatsNewHandler extends PhabricatorIRCHandler {
+
+  public function receiveMessage(PhabricatorIRCMessage $message) {
+    switch ($message->getCommand()) {
+      case 'PRIVMSG':
+        $reply_to = $message->getReplyTo();
+        if (!$reply_to) {
+          break;
+        }
+
+        $message = $message->getMessageText();
+
+        $prompt = '~what( i|\')?s new\?~i';
+        if (preg_match($prompt, $message)) {
+          $this->getLatest($reply_to);
+        }
+        break;
+    }
+  }
+
+  public function getLatest($reply_to) {
+    $latest = $this->getConduit()->callMethodSynchronous(
+      'feed.query',
+      array(
+        'limit'=>5
+      ));
+
+    $phids = array();
+    foreach ($latest as $action) {
+      if (isset($action['data']['actor_phid'])) {
+        $uid = $action['data']['actor_phid'];
+      }
+      else {
+        $uid = $action['authorPHID'];
+      }
+
+      switch ($action['class']) {
+        case 'PhabricatorFeedStoryDifferential':
+          array_push($phids,$action['data']['revision_phid']);
+          break;
+
+        case 'PhabricatorFeedStoryManiphest':
+          array_push($phids,$action['data']['taskPHID']);
+          break;
+
+        default:
+          array_push($phids,$uid);
+          break;
+      }
+      array_push($phids,$uid);
+    }
+
+    $infs = $this->getConduit()->callMethodSynchronous(
+      'phid.query',
+      array(
+        'phids'=>$phids
+      ));
+
+    $cphid = 0;
+    foreach ($latest as $action) {
+      if (isset($action['data']['actor_phid'])) {
+        $uid = $action['data']['actor_phid'];
+      }
+      else {
+        $uid = $action['authorPHID'];
+      }
+      switch ($action['class']) {
+        case 'PhabricatorFeedStoryDifferential':
+          $rinf = $infs[$action['data']['revision_phid']];
+          break;
+
+        case 'PhabricatorFeedStoryManiphest':
+          $rinf = $infs[$action['data']['taskPHID']];
+          break;
+
+        default:
+          $rinf = array('name'=>$action['class']);
+          break;
+      }
+      $uinf = $infs[$uid];
+
+      $action = $this->getRhetoric($action['data']['action']);
+      $user = $uinf['name'];
+      $title = $rinf['fullName'];
+      $uri = $rinf['uri'];
+      $color = chr(3);
+      $blue = $color.'12';
+      $gray = $color.'15';
+      $bold = chr(2);
+      $reset = chr(15);
+      $content = "{$bold}{$user}{$reset} {$gray}{$action} {$blue}{$bold}".
+        "{$title}{$reset} - {$gray}{$uri}{$reset}";
+      $this->write('PRIVMSG',"{$reply_to} :{$content}");
+    }
+    return;
+  }
+
+  public function getRhetoric($input) {
+    switch ($input) {
+      case "none":
+        return 'commented on';
+        break;
+      case "update":
+        return 'updated';
+        break;
+      case "create":
+        return 'created';
+        break;
+      case "abandon":
+        return 'abandonned';
+        break;
+      case "accept":
+        return 'accepted';
+        break;
+      default:
+        return $input;
+        break;
+    }
+  }
+}

src/infrastructure/daemon/irc/handler/whatsnew/__init__.php

@@ -0,0 +1,12 @@
+<?php
+/**
+ * This file is automatically generated. Lint this module to rebuild it.
+ * @generated
+ */
+
+
+
+phutil_require_module('phabricator', 'infrastructure/daemon/irc/handler/base');
+
+
+phutil_require_source('PhabricatorIRCWhatsNewHandler.php');