file-download-service.js

angular
    .module('nzbhydraApp')
    .factory('FileDownloadService', FileDownloadService);

function FileDownloadService($http, growl) {

    var service = {
        downloadFile: downloadFile
    };

    return service;

    function downloadFile(link, filename, method, data) {
        return $http({
            method: method,
            url: link,
            data: data,
            responseType: 'arraybuffer'
        }).then(function (response, status, headers, config) {
            var a = document.createElement('a');
            var blob = new Blob([response.data], {'type': "application/octet-stream"});
            a.href = URL.createObjectURL(blob);
            a.download = filename;

            document.body.appendChild(a);
            a.click();
            document.body.removeChild(a);
        }, function (data, status, headers, config) {
            growl.error(status);
        });

    }


}