gistfile1.txt

class menuController {
  constructor(Upload, $state, contactsImportEndpoint) {
    "ngInject";
    this.name = 'menu';
    this.Upload = Upload;
    this.contactsImportEndpoint = contactsImportEndpoint;
  }

  $onInit() {  
  }

  fileUpload($file){
    this.upload = Upload.upload({ 
      url: this.contactsImportEndpoint,
      data: {file: $file},
    }). then (function (response) {
      this.result = response.data;
      console.log(this.result);
    });
  }
}

export default menuController;