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    Flutter app eken http post req ekak send karahama 500 error ekak enavane . postman eken API eka test kra hodata weda okkoma methoda

    Back-End Development
    flutter node-js mongodb backend
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    • Nisal Vimukthi
      Nisal Vimukthi last edited by Nisal Vimukthi

      (34.jpg

      mage node.js api eka post man eken test karama hodata weda get, post , put request okkoma check kra. mongoose ekka ynne . post eken data idan insert wenawa kisi aulak nethuva postman eken test karaddi. but flutter android app ekaen api eka haraha data send kranna hedhuvama 500 internal error ekak enavane. fix kranne komada meka ?

      http.dart file

      import 'dart:convert';
      import 'package:http/http.dart' as http;
      
      class RequestResult
      {
        bool ok;
        dynamic data;
        RequestResult(this.ok, this.data);
      }
      
      const PROTOCOL = 'http';
      const DOMAIN = "192.168.*.**:3000";
      //const ROUTE = "users/signup";
      Future<RequestResult> http_post(String route, [dynamic data]) async
      {
        var url = "$PROTOCOL://$DOMAIN/$route";
        var dataStr = jsonEncode(data);
        var result = await http.post(url, body: dataStr, headers:{"Content_Type": "application/json"});
        return RequestResult(true, jsonDecode(result.body));
      }
      

      signup.dart file

      class _SignUpState extends State<SignUp> {
      
      TextEditingController userNameController = TextEditingController();
      TextEditingController emailController = TextEditingController();
      TextEditingController phoneNumberController = TextEditingController();
      TextEditingController nicController = TextEditingController();
      TextEditingController passwordController = TextEditingController();
      String response = "";
      
      createUser() async {
        var result = await http_post("users/signup", {
          "userName": userNameController.text,
          "email": emailController.text,
          "phoneNumber": phoneNumberController.text,
          "nic": nicController.text,
          "password": passwordController.text,
        });
        if(result.ok)
        {
          setState(() {
            response = result.data['status'];
          });
        }
      }
      
      
      

      Api app.js code headers middlewaes

      mongoose.Promise = global.Promise;
      //middlewares
      app.use(morgan('dev'));
      app.use(bodyParser.urlencoded({extended: false}));
      app.use(bodyParser.json());
      
      
      //set access to all  connect to this api
       app.use((req, res, next) => {
          res.header('Access-Control-Allow-Origin', '*');
          res.header('Access-Control-Allow-Methods', 'GET,PUT,POST,DELETE');
          res.header('Access-Control-Allow-Headers', 'X-Requested-With, Origin, Content-Type, Accept, Authorization');
          next();
          
      });
      
      app.use('/users', usersRoutes);
      app.use('/posts', postsRoutes);
      
      
      app.use((req, res, next) =>{
          const error = new error('Not found');
          error.status= 404;
          next(error);
      })
      
      app.use((error, req, res, next) => {
          res.status(error.status || 500);
          res.json({
              error: {
                  message: error.message
              }
          });
      });
      module.exports = app;
      
      1 Reply Last reply Reply Quote 1
      • dev_lak
        dev_lak last edited by

        500 ennenam API eke error ekak nisa, app eken request eka send karama blnna request parameters api ekata hriyta receive wenwda kyla

        Nisal Vimukthi 1 Reply Last reply Reply Quote 1
        • Nisal Vimukthi
          Nisal Vimukthi @dev_lak last edited by

          @dev_lak eka komada balanne postman eken check kraddiapieka wedane

          dev_lak 1 Reply Last reply Reply Quote 1
          • dev_lak
            dev_lak @Nisal Vimukthi last edited by

            @Nisal-Vimukthi postman eken parameters x-form-urlencoded karalada yawwe?

            Nisal Vimukthi 1 Reply Last reply Reply Quote 0
            • Nisal Vimukthi
              Nisal Vimukthi @dev_lak last edited by

              @dev_lak dd.JPG raw data json format eken yewwe

              dev_lak 1 Reply Last reply Reply Quote 1
              • dev_lak
                dev_lak @Nisal Vimukthi last edited by

                @Nisal-Vimukthi app ekenut raw format eken ywnna one bro.. natnm api ekt gnne nha parameters

                Nisal Vimukthi 1 Reply Last reply Reply Quote 0
                • Nisal Vimukthi
                  Nisal Vimukthi @dev_lak last edited by

                  @dev_lak ah flutter walin komada yawanne ? mn me 1st time karanne ekai wediya dan ne :drooling_face:

                  dev_lak 1 Reply Last reply Reply Quote 0
                  • dev_lak
                    dev_lak @Nisal Vimukthi last edited by

                    @Nisal-Vimukthi bro https://stackoverflow.com/questions/50278258/http-post-with-json-on-body-flutter-dart/50295533 meke answer eka balannna

                    Nisal Vimukthi 1 Reply Last reply Reply Quote 1
                    • Nisal Vimukthi
                      Nisal Vimukthi @dev_lak last edited by

                      @dev_lak thankx bro goda :blush:

                      dev_lak 1 Reply Last reply Reply Quote 1
                      • dev_lak
                        dev_lak @Nisal Vimukthi last edited by

                        @Nisal-Vimukthi elaaa

                        1 Reply Last reply Reply Quote 0
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