refactor couch storage

lib/repository/couchRepository.js

@@ -16,7 +16,7 @@ exports.createRepository = function(options) {
   return instance;
 }
 
-CouchRepository = function(options) {
+var CouchRepository = function(options) {
   CouchDb.call(this, options);
 }
 

lib/storage/couchStorage.js

@@ -1,19 +1,28 @@
 var utils = require('../utils'),
     CouchDb = require('../util/couchdb');
 
+var instance = null;
+
+exports.createStorage = function(options) {
+  if(!instance) {
+    instance = new CouchStorage(options);
+  }
+
+  return instance;
+}
+
 /*
  * Storage is the system component, used to persist view layer snapshots. Main
  * motivation, is to lower the load for event storage and speed up the view
  * generate process, when client request comes. The storage is separate system
  * component and can be even implemented on different persistance system from
  * event storage.
  */
-module.exports = CouchStorage = function() {
-  CouchDb.call(this, 'cqrs');
+var CouchStorage = function(options) {
+  CouchDb.call(this, options);
 }
 
 utils.inherits(CouchStorage, CouchDb);
-utils.singleton(CouchStorage);
 
 /*
  * Method called to persist current view state, to the database snapshot.

lib/view.js

@@ -1,5 +1,5 @@
 var repo = require('./repository').getInstance(),
-    storage = require('./storage/couchStorage').getInstance();
+    storage = require('./storage/couchStorage').createStorage();
 
 /*
  * View is the ultimate way, how to look on your data, wider then the scope

spec/storage/couchStorageSpec.js

@@ -41,17 +41,17 @@ describe('CouchStorage', function() {
   }
 
   beforeEach(function() {
-    couchStorage = new CouchStorage();  
+    couchStorage = CouchStorage.createStorage();  
   })
 
   describe('instance', function() {
     it('should get instance of CouchStorage', function() {
-      var couchStorage = CouchStorage.getInstance()
+      var couchStorage = CouchStorage.createStorage()
       expect(typeof couchStorage.request).toEqual('function');
     })
 
     it('should return just one instance', function() {
-      expect(CouchStorage.getInstance()).toEqual(CouchStorage.getInstance())
+      expect(CouchStorage.createStorage()).toEqual(CouchStorage.createStorage())
     })
   })
 

spec/viewSpec.js

@@ -1,7 +1,7 @@
 var util = require('util'),
-    couchdb = require('../lib/repository/couchRepository').createRepository({database: 'foo'}),
+    couchdb = require('../lib/repository/couchRepository').createRepository(),
     repository = require('../lib/repository').getInstance(),
-    storage = require('../lib/storage/couchStorage').getInstance(),
+    storage = require('../lib/storage/couchStorage').createStorage(),
     View = require('../lib/view');
 
 describe('View', function() {