Store collections using the "current" link when it's available

src/backbone.siren.store.js

@@ -19,15 +19,18 @@ Store.prototype = {
 	 * @return {Backbone.Siren.Model}
 	 */
 	add: function (bbSirenObj) {
-		var self = this;
+		var self = this
+		, index;
 
 		if (Backbone.Siren.isCollection(bbSirenObj)) {
 			bbSirenObj.each(function (sirenModel) {
 				self.add(sirenModel);
 			});
+
+			index = bbSirenObj.link('current');
 		}
 
-		this.data[bbSirenObj.url()] = bbSirenObj;
+		this.data[index || bbSirenObj.url()] = bbSirenObj;
 		return bbSirenObj;
 	}
 

test/spec/backbone.siren.store.js

@@ -43,6 +43,32 @@ describe('Backbone.Siren.Store: ', function () {
 			expect(store.data['http://two']).toBeDefined();
 			expect(store.data['http://three']).toBeDefined();
 		});
+
+
+		it('adds a collection to the store, indexing by "current" if available', function () {
+			var store = new Backbone.Siren.Store()
+				, bbSirenCollection = new Backbone.Siren.Collection({
+					'class': ['collection']
+					, entities: [
+						{properties: {}, links: [{rel: ['self'], href: 'http://one'}]}
+						, {properties: {}, links: [{rel: ['self'], href: 'http://two'}]}
+						, {properties: {}, links: [{rel: ['self'], href: 'http://three'}]}
+					]
+					, links: [
+						{
+							rel: ['self']
+							, href: 'http://collect'
+						}
+						, {
+							rel: ['current']
+							, href: 'http://collect?page=30'
+						}
+					]
+				});
+
+			store.add(bbSirenCollection);
+			expect(store.data['http://collect?page=30']).toBeDefined();
+		});
 	});