Add SHA storage (create only new document)

Gruntfile.js

@@ -174,6 +174,7 @@ module.exports = function (grunt) {
           'node_modules/rusha/rusha.js',
 
           'src/jio.storage/replicatestorage.js',
+          'src/jio.storage/shastorage.js',
           'src/jio.storage/uuidstorage.js',
           'src/jio.storage/memorystorage.js',
           'src/jio.storage/localstorage.js',

src/jio.storage/shastorage.js

+/*
+ * Copyright 2015, Nexedi SA
+ * Released under the LGPL license.
+ * http://www.gnu.org/licenses/lgpl.html
+ */
+
+/*jslint nomen: true*/
+/*global Rusha*/
+
+/**
+ * JIO Sha Storage. Type = 'sha'.
+ */
+
+(function (Rusha) {
+  "use strict";
+
+  var rusha = new Rusha();
+
+  function ShaStorage(spec) {
+    this._sub_storage = jIO.createJIO(spec.sub_storage);
+  }
+
+  ShaStorage.prototype.post = function (param) {
+    return this._sub_storage.put(
+      rusha.digestFromString(JSON.stringify(param)),
+      param
+    );
+  };
+
+  ShaStorage.prototype.get = function () {
+    return this._sub_storage.get.apply(this._sub_storage, arguments);
+  };
+  ShaStorage.prototype.remove = function () {
+    return this._sub_storage.remove.apply(this._sub_storage, arguments);
+  };
+  ShaStorage.prototype.hasCapacity = function () {
+    return this._sub_storage.hasCapacity.apply(this._sub_storage, arguments);
+  };
+  ShaStorage.prototype.buildQuery = function () {
+    return this._sub_storage.buildQuery.apply(this._sub_storage, arguments);
+  };
+  ShaStorage.prototype.getAttachment = function () {
+    return this._sub_storage.getAttachment.apply(this._sub_storage, arguments);
+  };
+  ShaStorage.prototype.putAttachment = function () {
+    return this._sub_storage.putAttachment.apply(this._sub_storage, arguments);
+  };
+  ShaStorage.prototype.removeAttachment = function () {
+    return this._sub_storage.removeAttachment.apply(this._sub_storage,
+                                                    arguments);
+  };
+  ShaStorage.prototype.allAttachments = function () {
+    return this._sub_storage.allAttachments.apply(this._sub_storage, arguments);
+  };
+  ShaStorage.prototype.repair = function () {
+    return this._sub_storage.repair.apply(this._sub_storage, arguments);
+  };
+
+  jIO.addStorage('sha', ShaStorage);
+
+}(Rusha));

test/tests.html

@@ -39,6 +39,7 @@
   <script src="jio.storage/indexeddbstorage.tests.js"></script>
   <script src="jio.storage/uuidstorage.tests.js"></script>
   <script src="jio.storage/replicatestorage.tests.js"></script>
+  <script src="jio.storage/shastorage.tests.js"></script>
 
   <!--script src="jio.storage/indexstorage.tests.js"></script-->
   <!--script src="jio.storage/dropboxstorage.tests.js"></script-->