Stop creating lists in containers

Create them only when needed in reducers instead

js/reducers/SecurityReducer.js

@@ -3,27 +3,71 @@ var assign = require('object-assign');
 var SecurityConstants = require('../constants/SecurityConstants');
 var UserConstants = require('../constants/UserConstants');
 
-module.exports = function(state = {}, action) {
+var SecurityType = require('../models').SecurityType;
+
+const initialState = {
+	map: {},
+	list: [],
+	currency_list: []
+}
+
+function mapToList(securities) {
+	var security_list = [];
+	for (var securityId in securities) {
+		if (securities.hasOwnProperty(securityId))
+			security_list.push(securities[securityId]);
+	}
+	return security_list;
+}
+
+function mapToCurrencyList(securities) {
+	var security_list = [];
+	for (var securityId in securities) {
+		if (securities.hasOwnProperty(securityId) && securities[securityId].Type == SecurityType.Currency)
+			security_list.push(securities[securityId]);
+	}
+	return security_list;
+}
+
+module.exports = function(state = initialState, action) {
 	switch (action.type) {
 		case SecurityConstants.SECURITIES_FETCHED:
 			var securities = {};
+			var list = [];
+			var currency_list = [];
 			for (var i = 0; i < action.securities.length; i++) {
 				var security = action.securities[i];
 				securities[security.SecurityId] = security;
+				list.push(security);
+				if (security.Type == SecurityType.Currency)
+					currency_list.push(security);
 			}
-			return securities;
+			return {
+				map: securities,
+				list: list,
+				currency_list: currency_list
+			};
 		case SecurityConstants.SECURITY_CREATED:
 		case SecurityConstants.SECURITY_UPDATED:
 			var security = action.security;
-			return assign({}, state, {
+			var map = assign({}, state.map, {
 				[security.SecurityId]: security
 			});
+			return {
+				map: map,
+				list: mapToList(map),
+				currency_list: mapToCurrencyList(map)
+			};
 		case SecurityConstants.SECURITY_REMOVED:
-			var newstate = assign({}, state);
-			delete newstate[action.securityId];
-			return newstate;
+			var map = assign({}, state.map);
+			delete map[action.securityId];
+			return {
+				map: map,
+				list: mapToList(map),
+				currency_list: mapToCurrencyList(map)
+			};
 		case UserConstants.USER_LOGGEDOUT:
-			return {};
+			return initialState;
 		default:
 			return state;
 	}