Rename row 'x' to 'date', swap expenses and revenues.

src/operations/balance-chart.component.js

@@ -42,14 +42,14 @@ var balanceChartModule = angular.module('balanceChartModule', [
             Balances.query({
                 id: $routeParams.accountId
             }, function(results) {
-                var headers = [['x', 'balances', 'expenses', 'revenues']];
+                var headers = [['date', 'balances', 'expenses', 'revenues']];
 
                 var rows = results.map(function(result) {
                     return [
                         result.operation_date,
                         result.balance,
-                        result.revenues,
+                        result.expenses,
-                        result.expenses
+                        result.revenues
                     ];
                 });
 
@@ -71,7 +71,7 @@ var balanceChartModule = angular.module('balanceChartModule', [
                     height: 500,
                 },
                 data: {
-                    x: 'x',
+                    x: 'date',
                     rows: [],
                     axes: {
                         expenses: 'y2',