controllers_cvs.js

vm.downloadcsv = function() {
        $http({
              method: 'GET',
              url: '/api/v1/activities/record/'+vm.query.domain.id+'/csv',
              params: {
                  'datesince': vm.query.datesince,
                  'dateto':vm.query.dateto,
                  'verbs':vm.query.verb
              },
              responseType: 'arraybuffer'
        }).success(function (data, status, headers) {
            headers = headers();
            var filename = headers['x-filename'];
            var contentType = headers['content-type'];
            var linkElement = document.createElement('a');
            try {
                var blob = new Blob([data], { type: contentType });
                var url = window.URL.createObjectURL(blob);

                linkElement.setAttribute('href', url);
                linkElement.setAttribute("download", filename);

                var clickEvent = new MouseEvent("click", {
                    "view": window,
                    "bubbles": true,
                    "cancelable": false
                });
                linkElement.dispatchEvent(clickEvent);
            } catch (ex) {
                console.log(ex);
            }
        }).error(function (data) {
            console.log(data);
        });
    };