form_controller.dart

import 'dart:convert' as convert;
import 'package:http/http.dart' as http;
import '../model/form.dart';

/// FormController is a class which does work of saving FeedbackForm in Google Sheets using 
/// HTTP GET request on Google App Script Web URL and parses response and sends result callback.
class FormController {
  
  // Google App Script Web URL.
  static const String URL = "https://script.google.com/macros/s/AKfycbyAaNh-1JK5pSrUnJ34Scp3889mTMuFI86DkDp42EkWiSOOycE/exec";
  
  // Success Status Message
  static const STATUS_SUCCESS = "SUCCESS";

  /// Async function which saves feedback, parses [feedbackForm] parameters
  /// and sends HTTP GET request on [URL]. On successful response, [callback] is called.
   void submitForm(
      FeedbackForm feedbackForm, void Function(String) callback) async {
    try {
      await http.post(URL, body: feedbackForm.toJson()).then((response) async {
        if (response.statusCode == 302) {
          var url = response.headers['location'];
          await http.get(url).then((response) {
            callback(convert.jsonDecode(response.body)['status']);
          });
        } else {
          callback(convert.jsonDecode(response.body)['status']);
        }
      });
    } catch (e) {
      print(e);
    }
  }
}

For step by step guide, please read article on it which is written by me. It's available on repository main page (README.md)

…

On Fri 14 Feb, 2020, 5:35 PM albazy, ***@***.***> wrote: thanks for your response , but as ı still new at programming I would ask you to give m a hint for that — You are receiving this because you authored the thread. Reply to this email directly, view it on GitHub <https://gist.github.com/3b19df2e464fec7de4c70f20fc567ad3?email_source=notifications&email_token=AEVWFOFQKG2KXNIUBVMYWH3RC2CHNA5CNFSM4KJJUYQKYY3PNVWWK3TUL52HS4DFVNDWS43UINXW23LFNZ2KUY3PNVWWK3TUL5UWJTQAGB466#gistcomment-3176943>, or unsubscribe <https://github.com/notifications/unsubscribe-auth/AEVWFODHGFXZTGQSTMP6XETRC2CHNANCNFSM4KJJUYQA> .