Add Hogfather.Create() factory.

static/hogfather.js

@@ -20,23 +20,42 @@
 /**
  * @constructor
  * @param {Cosmopolite} cosmo
- * @param {string} name
+ * @param {string} prefix
  */
-var Hogfather = function(cosmo, name) {
+var Hogfather = function(cosmo, prefix) {
   this.cosmo_ = cosmo;
-  this.name_ = name;
+  this.prefix_ = prefix;
 
-  this.cosmo_.getProfile().then(this.onProfile_.bind(this));
+  console.log(this.loggingPrefix_(), 'create');
 };
 
 
 /**
- * @param {string} profile_id
+ * @param {Cosmopolite} cosmo
+ * @return {Promise}
  */
-Hogfather.prototype.onProfile_ = function(profile_id) {
+Hogfather.Create = function(cosmo) {
-  this.prefix_ = '/hogfather/' + profile_id + '/' + this.name_ + '/';
+  return new Promise(function(resolve, reject) {
-  this.cosmo_.subscribe(this.prefix_ + 'control');
+    var prefix;
-  console.log(this.prefix_);
+    cosmo.getProfile().then(function(profile_id) {
+      prefix = '/hogfather/' + profile_id + '/' + cosmo.uuid() + '/';
+      var subject = {
+        name: prefix + 'control',
+        readable_only_by: 'me',
+        writeable_only_by: 'me',
+      };
+      var msg = {
+        owners: [profile_id],
+        writers: [profile_id],
+        readers: [profile_id],
+      };
+      return cosmo.sendMessage(subject, msg);
+    }).then(function(msg) {
+      resolve(new Hogfather(cosmo, prefix));
+    }).catch(function(err) {
+      reject(err);
+    });
+  });
 };
 
 
@@ -44,3 +63,12 @@ Hogfather.prototype.onProfile_ = function(profile_id) {
  */
 Hogfather.prototype.shutdown = function() {
 };
+
+
+/**
+ * @private
+ * @return {string}
+ */
+Hogfather.prototype.loggingPrefix_ = function() {
+  return 'hogfather (' + this.prefix_ + '):';
+};

static/test.js

@@ -947,7 +947,7 @@ QUnit.asyncTest('sendMessage admin ACL', function(assert) {
 
 QUnit.module('Hogfather');
 
-QUnit.asyncTest('Construct/shutdown', function(assert) {
+QUnit.test('Construct/shutdown', function(assert) {
   assert.expect(4);
 
   var cosmo = new Cosmopolite(null, randstring());
@@ -956,7 +956,24 @@ QUnit.asyncTest('Construct/shutdown', function(assert) {
   var hogfather = new Hogfather(cosmo, randstring());
   assert.ok(true, 'new Hogfather()) succeeds');
 
-  window.setTimeout(function() {
+  hogfather.shutdown();
+  assert.ok(true, 'Hogfather.shutdown() succeeds');
+
+  cosmo.shutdown();
+  assert.ok(true, 'Cosmopolite.shutdown() succeeds');
+});
+
+QUnit.asyncTest('Create', function(assert) {
+  assert.expect(5);
+
+  var cosmo = new Cosmopolite(null, randstring());
+  assert.ok(true, 'new Cosmopolite() succeeds');
+
+  Hogfather.Create(cosmo).then(function(hogfather) {
+    assert.ok(true, 'Hogfather.Create() succeeds');
+
+    assert.ok(hogfather, 'Hogfather.Create() returns something');
+
     hogfather.shutdown();
     assert.ok(true, 'Hogfather.shutdown() succeeds');
 
@@ -964,6 +981,5 @@ QUnit.asyncTest('Construct/shutdown', function(assert) {
     assert.ok(true, 'Cosmopolite.shutdown() succeeds');
 
     QUnit.start();
-  }, 10 * 1000);
+  });
-
 });