Make Conpherence threads update in real time, very roughly

Summary:
Ref T4083. This needs some work (mostly in the Conpherence JS itself), but is sort of functional. In particular:

  - On thread pages, add the thread as a `pageObject`.
  - After updating a thread, send a new "message" event to the server.
  - Share a little more event posting code.
  - In the browser, use event dispatch to respond to events.
  - Add a listener for the new event type.
  - Update conpherence threads (this part is really yucky).

Test Plan: With multiple browser windows / browsers open, posted a message to a thread, and saw it update everywhere.

Reviewers: joshuaspence

Reviewed By: joshuaspence

Subscribers: chad, epriestley

Maniphest Tasks: T4083

Differential Revision: https://secure.phabricator.com/D9486

resources/celerity/map.php

@@ -8,7 +8,7 @@ return array(
   'names' =>
   array(
     'core.pkg.css' => 'd82d2f53',
-    'core.pkg.js' => '4af4aa9d',
+    'core.pkg.js' => '0627d27e',
     'darkconsole.pkg.js' => 'ca8671ce',
     'differential.pkg.css' => '4a93db37',
     'differential.pkg.js' => 'eca39a2c',
@@ -336,11 +336,11 @@ return array(
     'rsrc/image/texture/table_header_tall.png' => 'd56b434f',
     'rsrc/js/application/aphlict/Aphlict.js' => '08be8878',
     'rsrc/js/application/aphlict/behavior-aphlict-dropdown.js' => '2a2dba85',
-    'rsrc/js/application/aphlict/behavior-aphlict-listen.js' => 'acda9f51',
+    'rsrc/js/application/aphlict/behavior-aphlict-listen.js' => '1da67f34',
     'rsrc/js/application/auth/behavior-persona-login.js' => '9414ff18',
     'rsrc/js/application/config/behavior-reorder-fields.js' => '938aed89',
     'rsrc/js/application/conpherence/behavior-menu.js' => '7ee23816',
-    'rsrc/js/application/conpherence/behavior-pontificate.js' => '53f6f2dd',
+    'rsrc/js/application/conpherence/behavior-pontificate.js' => 'd83a949c',
     'rsrc/js/application/conpherence/behavior-widget-pane.js' => '40b1ff90',
     'rsrc/js/application/countdown/timer.js' => '361e3ed3',
     'rsrc/js/application/dashboard/behavior-dashboard-async-panel.js' => '469c0d9e',
@@ -528,7 +528,7 @@ return array(
     'javelin-aphlict' => '08be8878',
     'javelin-behavior' => '8a3ed18b',
     'javelin-behavior-aphlict-dropdown' => '2a2dba85',
-    'javelin-behavior-aphlict-listen' => 'acda9f51',
+    'javelin-behavior-aphlict-listen' => '1da67f34',
     'javelin-behavior-aphront-basic-tokenizer' => 'b3a4b884',
     'javelin-behavior-aphront-crop' => 'b98fc918',
     'javelin-behavior-aphront-drag-and-drop-textarea' => '4a11ea9c',
@@ -540,7 +540,7 @@ return array(
     'javelin-behavior-boards-filter' => '22f113af',
     'javelin-behavior-config-reorder-fields' => '938aed89',
     'javelin-behavior-conpherence-menu' => '7ee23816',
-    'javelin-behavior-conpherence-pontificate' => '53f6f2dd',
+    'javelin-behavior-conpherence-pontificate' => 'd83a949c',
     'javelin-behavior-conpherence-widget-pane' => '40b1ff90',
     'javelin-behavior-countdown-timer' => '361e3ed3',
     'javelin-behavior-dark-console' => 'e9fdb5e5',
@@ -956,6 +956,18 @@ return array(
       1 => 'javelin-util',
       2 => 'phabricator-keyboard-shortcut-manager',
     ),
+    '1da67f34' =>
+    array(
+      0 => 'javelin-behavior',
+      1 => 'javelin-aphlict',
+      2 => 'javelin-stratcom',
+      3 => 'javelin-request',
+      4 => 'javelin-uri',
+      5 => 'javelin-dom',
+      6 => 'javelin-json',
+      7 => 'javelin-router',
+      8 => 'phabricator-notification',
+    ),
     '1e1c8a59' =>
     array(
       0 => 'javelin-behavior',
@@ -1192,14 +1204,6 @@ return array(
       1 => 'javelin-dom',
       2 => 'phabricator-prefab',
     ),
-    '53f6f2dd' =>
-    array(
-      0 => 'javelin-behavior',
-      1 => 'javelin-dom',
-      2 => 'javelin-util',
-      3 => 'javelin-workflow',
-      4 => 'javelin-stratcom',
-    ),
     '54b612ba' =>
     array(
       0 => 'javelin-color',
@@ -1608,18 +1612,6 @@ return array(
       1 => 'javelin-dom',
       2 => 'javelin-stratcom',
     ),
-    'acda9f51' =>
-    array(
-      0 => 'javelin-behavior',
-      1 => 'javelin-aphlict',
-      2 => 'javelin-stratcom',
-      3 => 'javelin-request',
-      4 => 'javelin-uri',
-      5 => 'javelin-dom',
-      6 => 'javelin-json',
-      7 => 'javelin-router',
-      8 => 'phabricator-notification',
-    ),
     'ad7a69ca' =>
     array(
       0 => 'javelin-install',
@@ -1877,6 +1869,14 @@ return array(
       3 => 'javelin-dom',
       4 => 'phabricator-keyboard-shortcut',
     ),
+    'd83a949c' =>
+    array(
+      0 => 'javelin-behavior',
+      1 => 'javelin-dom',
+      2 => 'javelin-util',
+      3 => 'javelin-workflow',
+      4 => 'javelin-stratcom',
+    ),
     'd8e135db' =>
     array(
       0 => 'javelin-behavior',

src/applications/conpherence/constants/ConpherenceUpdateActions.php

@@ -9,4 +9,5 @@ final class ConpherenceUpdateActions extends ConpherenceConstants {
   const REMOVE_PERSON = 'remove_person';
   const NOTIFICATIONS = 'notifications';
   const ADD_STATUS = 'add_status';
+  const LOAD = 'load';
 }

src/applications/conpherence/controller/ConpherenceUpdateController.php

@@ -31,6 +31,7 @@ final class ConpherenceUpdateController
       ->executeOne();
 
     $action = $request->getStr('action', ConpherenceUpdateActions::METADATA);
+
     $latest_transaction_id = null;
     $response_mode = $request->isAjax() ? 'ajax' : 'redirect';
     $error_view = null;
@@ -38,7 +39,7 @@ final class ConpherenceUpdateController
     $errors = array();
     $delete_draft = false;
     $xactions = array();
-    if ($request->isFormPost()) {
+    if ($request->isFormPost() || ($action == ConpherenceUpdateActions::LOAD)) {
       $editor = id(new ConpherenceEditor())
         ->setContinueOnNoEffect($request->isContinueRequest())
         ->setContentSourceFromRequest($request)
@@ -114,10 +115,16 @@ final class ConpherenceUpdateController
               'That was a non-update. Try cancel.');
           }
           break;
+        case ConpherenceUpdateActions::LOAD:
+          $updated = false;
+          $response_mode = 'ajax';
+          break;
         default:
           throw new Exception('Unknown action: '.$action);
           break;
       }
+
+      if ($xactions || ($action == ConpherenceUpdateActions::LOAD)) {
         if ($xactions) {
           try {
             $xactions = $editor->applyTransactions($conpherence, $xactions);
@@ -132,6 +139,8 @@ final class ConpherenceUpdateController
               ->setCancelURI($this->getApplicationURI($conpherence_id.'/'))
               ->setException($ex);
           }
+        }
+
         switch ($response_mode) {
           case 'ajax':
             $latest_transaction_id = $request->getInt('latest_transaction_id');
@@ -266,6 +275,7 @@ final class ConpherenceUpdateController
     $need_transactions = false;
     switch ($action) {
       case ConpherenceUpdateActions::METADATA:
+      case ConpherenceUpdateActions::LOAD:
         $need_transactions = true;
         break;
       case ConpherenceUpdateActions::MESSAGE:

src/applications/conpherence/controller/ConpherenceViewController.php

@@ -97,6 +97,7 @@ final class ConpherenceViewController extends
       array(
         'title' => $title,
         'device' => true,
+        'pageObjects' => array($conpherence->getPHID()),
       ));
   }
 
@@ -156,7 +157,11 @@ final class ConpherenceViewController extends
             'type' => 'hidden',
             'name' => 'latest_transaction_id',
             'value' => $latest_transaction_id,
-            'sigil' => 'latest-transaction-id'
+            'sigil' => 'latest-transaction-id',
+            'meta' => array(
+              'threadPHID' => $conpherence->getPHID(),
+              'threadID' => $conpherence->getID(),
+            ),
           ),
           ''))
       ->render();

src/applications/conpherence/editor/ConpherenceEditor.php

@@ -306,6 +306,17 @@ final class ConpherenceEditor extends PhabricatorApplicationTransactionEditor {
       $participant->save();
     }
 
+    if ($xactions) {
+      $data = array(
+        'type'        => 'message',
+        'threadPHID'  => $object->getPHID(),
+        'messageID'   => last($xactions)->getID(),
+        'subscribers' => array($object->getPHID()),
+      );
+
+      PhabricatorNotificationClient::tryToPostMessage($data);
+    }
+
     return $xactions;
   }
 

src/applications/feed/PhabricatorFeedStoryPublisher.php

@@ -112,9 +112,7 @@ final class PhabricatorFeedStoryPublisher {
     }
 
     $this->insertNotifications($chrono_key);
-    if (PhabricatorEnv::getEnvConfig('notification.enabled')) {
     $this->sendNotification($chrono_key);
-    }
 
     PhabricatorWorker::scheduleTask(
       'FeedPublisherWorker',
@@ -181,11 +179,7 @@ final class PhabricatorFeedStoryPublisher {
       'subscribers' => $this->subscribedPHIDs,
     );
 
-    try {
-      PhabricatorNotificationClient::postMessage($data);
-    } catch (Exception $ex) {
-      // Ignore, these are not critical.
-    }
+    PhabricatorNotificationClient::tryToPostMessage($data);
   }
 
   /**

src/applications/notification/client/PhabricatorNotificationClient.php

@@ -25,7 +25,20 @@ final class PhabricatorNotificationClient {
     return $status;
   }
 
-  public static function postMessage(array $data) {
+  public static function tryToPostMessage(array $data) {
+    if (!PhabricatorEnv::getEnvConfig('notification.enabled')) {
+      return;
+    }
+
+    try {
+      self::postMessage($data);
+    } catch (Exception $ex) {
+      // Just ignore any issues here.
+      phlog($ex);
+    }
+  }
+
+  private static function postMessage(array $data) {
     $server_uri = PhabricatorEnv::getEnvConfig('notification.server-uri');
 
     id(new HTTPSFuture($server_uri, json_encode($data)))

webroot/rsrc/js/application/aphlict/behavior-aphlict-listen.js

@@ -27,19 +27,13 @@ JX.behavior('aphlict-listen', function(config) {
       .start();
   }
 
-  // Respond to a notification from the Aphlict notification server. We send
-  // a request to Phabricator to get notification details.
-  function onaphlictmessage(type, message) {
-    switch (type) {
-      case 'error':
-        new JX.Notification()
-          .setContent('(Aphlict) ' + message)
-          .alterClassName('jx-notification-error', true)
-          .setDuration(0)
-          .show();
-        break;
+  JX.Stratcom.listen('aphlict-receive-message', null, function(e) {
+    var message = e.getData();
+
+    if (message.type != 'notification') {
+      return;
+    }
 
-      case 'receive':
     var request = new JX.Request(
       '/notification/individual/',
       onnotification);
@@ -53,6 +47,23 @@ JX.behavior('aphlict-listen', function(config) {
       .setPriority(250);
 
     JX.Router.getInstance().queue(routable);
+  });
+
+
+  // Respond to a notification from the Aphlict notification server. We send
+  // a request to Phabricator to get notification details.
+  function onaphlictmessage(type, message) {
+    switch (type) {
+      case 'error':
+        new JX.Notification()
+          .setContent('(Aphlict) ' + message)
+          .alterClassName('jx-notification-error', true)
+          .setDuration(0)
+          .show();
+        break;
+
+      case 'receive':
+        JX.Stratcom.invoke('aphlict-receive-message', null, message);
         break;
 
       default:

webroot/rsrc/js/application/conpherence/behavior-pontificate.js

@@ -8,6 +8,52 @@
  */
 
 JX.behavior('conpherence-pontificate', function(config) {
+
+  JX.Stratcom.listen('aphlict-receive-message', null, function(e) {
+    var message = e.getData();
+
+    if (message.type != 'message') {
+      // Not a message event.
+      return;
+    }
+
+    // TODO: This is really, really gross.
+    var infonode = JX.DOM.find(document, 'input', 'latest-transaction-id');
+    var data = JX.Stratcom.getData(infonode);
+
+    var latest_id = infonode.value;
+    var thread_phid = data.threadPHID;
+    var thread_id = data.threadID;
+
+    if (message.threadPHID != thread_phid) {
+      // Message event for some thread other than the visible one.
+      return;
+    }
+
+    if (message.messageID <= latest_id) {
+      // Message event for something we already know about.
+      return;
+    }
+
+    var params = {
+      action: 'load',
+      latest_transaction_id: latest_id
+    };
+
+    new JX.Workflow('/conpherence/update/' + thread_id + '/')
+      .setData(params)
+      .setHandler(function(r) {
+        var messages = JX.DOM.find(document, 'div', 'conpherence-messages');
+        JX.DOM.appendContent(messages, JX.$H(r.transactions));
+        messages.scrollTop = messages.scrollHeight;
+
+        // TODO: Continued grossness from above.
+        infonode.value = r.latest_transaction_id;
+      })
+      .start();
+  });
+
+
   var onsubmit = function(e) {
     e.kill();