<div class="control-group" datepicker ng-model="data.dates[0]">
                <label for="date">Preferred date</label>

                <div class="controls">
                    <input type="text" id="date" ng-model="data.dates[0]" required>
                </div>
                <div class="picker" ui-date="Config.dateOptions" ui-date-format="DD, MM d yy"
                     ng-model="data.dates[0]"></div>
            </div>
            <div class="control-group" datepicker ng-model="data.dates[1]">
                <label for="date1">Second date</label>

                <div class="controls">
                    <input type="text" id="date1" ng-model="data.dates[1]">
                </div>
                <div class="picker" ui-date="Config.dateOptions" ui-date-format="DD, MM d yy"
                     ng-model="data.dates[1]"></div>
            </div>
            <div class="control-group" datepicker ng-model="data.dates[2]">
                <label for="date2">Third date</label>

                <div class="controls">
                    <input type="text" id="date1" ng-model="data.dates[2]">
                </div>
                <div class="picker" ui-date="Config.dateOptions" ui-date-format="DD, MM d yy"
                     ng-model="data.dates[2]"></div>
            </div>

$scope.loadData = function() {
        $http({
            url: mixedUrl({data: 1}),
            method: 'GET'
        }).success(function(data) {
            if (firstTime) {
                $scope.metadata = data.metadata;

                $timeout(function() {
                    $scope.data = data.data;
                    $scope.afterLoadData();
                    $scope.dataLoaded = true;
                });
            } else {
                $scope.metadata.resources = data.metadata.resources;
            }
        });
    };
         $scope.addData = function(data) {
             data.state = $scope.state;
             return data;
    };
        $scope.back = function() {
        if ($scope.state === 2) {

            $scope.data.dates = originalDates;
            $scope.state = 1;

        } else {
            history.back();
        }
    };
       $scope.addData = function(data) {
        data.state = $scope.state;
        return data;
    };
   $scope.$watch('data.dates', function(val) {
        if (typeof val !== 'undefined' && !originalDates.length) {
            originalDates = [];

            _.map(val, function(item) {
                originalDates.push(item);
            });
        }
    }, true);