Add Groups

js/reducers/GroupReducer.js

@@ -0,0 +1,24 @@
+var assign = require('object-assign');
+
+var GroupConstants = require('../constants/GroupConstants');
+
+module.exports = function(state = {}, action) {
+	switch (action.type) {
+		case GroupConstants.GROUPS_FETCHED:
+			var groups = {};
+			for (var i = 0; i < action.groups.length; i++) {
+				var group = action.groups[i];
+				groups[group.GroupId] = group;
+			}
+			return groups;
+		case GroupConstants.GROUP_CREATED:
+		case GroupConstants.GROUP_UPDATED:
+			var group = action.group;
+			var groups = assign({}, state, {
+				[group.GroupId]: group
+			});
+			return groups;
+		default:
+			return state;
+	}
+};