Lanka Developers

Nisal Vimukthi

@dev_lak JWT API ekata setkrala thiyenne. token eka em enawa . token eka decrypt kranna ona web site eken neda

Nisal Vimukthi

Windows license key ekak use krala active krada ? ehema nam e license key eka aithi rate timezone wetenne

Nisal Vimukthi

Laravel walin develop karapu web site ekak Node.js Api ekata connect kranna ona CURD operations karanna and authentication ekata. denata website ekata local mysql db ekata thama connect krala thiyenne . mata denaganna ona website eken http requests yavanne komada kiyala API ekata authentications ekka sessions ema weda karanna ?

Nisal Vimukthi

(

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;

Nisal Vimukthi

@dev_lak vue js walin kranna hoda vidiyak thiyenawada ? wediyama lesi mokak wageda

Nisal Vimukthi

@dev_lak eka komada balanne postman eken check kraddiapieka wedane

Nisal Vimukthi

ah mn den mySQL db ekka auth krala thibbata aulak ne neda eka ain karala vue ekka karanna puluvan neda

Nisal Vimukthi

@dev_lak raw data json format eken yewwe

Nisal Vimukthi

![alt text](![0_1584632797802_erro.JPG](Uploading 100%) image url)

Mage laravel website eka MongoDb cluster ekka connect kranna giyama me error eka enava.
laravel version eka 6 mage.

code eka config my conf/database.php vala

'mongodb_conn' => [
    'driver' => 'mongodb',
    'dsn'=>'mongodb+srv://myusername:[email protected]/test?retryWrites=true&w=majority',
    'database' => 'mydbname',
],

.env eke code eka

 APP_NAME=My_laravel_web
APP_ENV=local
APP_KEY=base64:jtvoXduyfwnIB6A5pCy8Cfa9bJYRvNgMKeRFdfiYYyc=
APP_DEBUG=true
APP_URL=http://localhost

LOG_CHANNEL=stack

DB_CONNECTION=mongodb_conn'
DB_HOST=xxxx-shard-00-00-uggj0.mongodb.net
DB_PORT=27017
DB_DATABASE=mydbname
DB_USERNAME=myusername
DB_PASSWORD=mypassword

BROADCAST_DRIVER=log
CACHE_DRIVER=file
QUEUE_CONNECTION=sync
SESSION_DRIVER=file
SESSION_LIFETIME=120

REDIS_HOST=127.0.0.1
REDIS_PASSWORD=null
REDIS_PORT=6379

meka fix karanne kohomada

error message eka

 php artisan serve

   InvalidArgumentException  : Database [mongodb_conn'] not configured.

  at C:\xampp\htdocs\bloodDonation\vendor\laravel\framework\src\Illuminate\Database\DatabaseManager.php:152
    148|         // If the configuration doesn't exist, we'll throw an exception and bail.
    149|         $connections = $this->app['config']['database.connections'];
    151|         if (is_null($config = Arr::get($connections, $name))) {
  > 152|             throw new InvalidArgumentException("Database [{$name}] not configured.");
    153|         }
    154| 
    155|         return (new ConfigurationUrlParser)
    156|                     ->parseConfiguration($config);

  Exception trace:

  1   Illuminate\Database\DatabaseManager::configuration("mongodb_conn'")
      C:\xampp\htdocs\bloodDonation\vendor\laravel\framework\src\Illuminate\Database\DatabaseManager.php:115

  2   Illuminate\Database\DatabaseManager::makeConnection("mongodb_conn'")
      C:\xampp\htdocs\bloodDonation\vendor\laravel\framework\src\Illuminate\Database\DatabaseManager.php:86

  Please use the argument -v to see more details.

Nisal Vimukthi

@dev_lak thankx bro goda :blush:

Nisal Vimukthi

kalin screen eke thiyenne list view ekak eke click karana list eke thiyena latitude and longitude values aran e location eka ilaga screen eke thiyena google map eke show karanna ona . eka karanne komada ? mn denata map and marker eka display wenna code kara . eth kalin screen eken ena latitude ekai longitude ekai aran map eke e location eka show karanna bene ? mage denata code eka meka


class MapView extends StatefulWidget {

    var lat;
    var long;
  MapView ({this.lat, this.long});
  @override
  _MapViewState createState() => _MapViewState();
}

class _MapViewState extends State<MapView> {

 GoogleMapController _controller;

  @override
  Widget build(BuildContext context) {

    return GoogleMap(
    mapType: MapType.normal,
    markers: _createMarker(),
    initialCameraPosition: CameraPosition(
      target: LatLng(6.4135, 81.3326),
      zoom: 12.0,
      ),
      onMapCreated: (GoogleMapController controller){
        _controller = controller;
      },
  );
  }
}

Set<Marker> _createMarker(){
  return <Marker>[
    Marker(markerId: MarkerId("Home"),
    position:  LatLng(6.4135, 81.3326),
    icon: BitmapDescriptor.defaultMarker,
    infoWindow: InfoWindow(title: "Camp",),
    ),
  ].toSet();
}

me screen ekata values enne pahala widiyata .

 "${widget.list[widget.index]['organize_by']}";

Nisal Vimukthi

@root mongoDb ekata new data record ekak awama firebase eken eka yawanna puluwanda pushnotification ekak widiyata

Nisal Vimukthi

@root mage DB eka mongounata aulaknedda ?

Nisal Vimukthi

mage database eka MongoDB . Flutter app ekai mongoDb database ekai connect karala thiyenne node.js API eken . mata ona userta push notification ekak yavanna mongodb eke new collection ekak create unu gaman . eka karanne kohomada ? youtube ehema hemathenama thiyenne firebase cloud massenging gena mongoDB node.js api ekka ewa mukuth ne .

Nisal Vimukthi