promisse

var filesPath = ["file:///storage/emulated/0/myfile.txt","file:///storage/emulated/0/folder", "file:///storage/emulated/0/other-file.txt"];

function processFilesPaths(filesPath) {
  angular.forEach(data, function (filePath) {
    window.resolveLocalFileSystemURL(filePath, function (fileEntry) {
      fileEntry.file(function (file) {
        vm.attachments.push(file);
      });
    });
  });
}

processFilePaths(filesPath);


PageDataService.uploadFiles(vm.attachments).then(function (result) {
  console.log("RESULT UPLOAD", result)
});