appstitch_mongodb 1.0.0-prerelease

Appstitch client for MongoDB CRUD operations.

example/lib/main.dart

import 'package:appstitch_core/options.dart';
import 'package:appstitch_core/core.dart';
import 'package:appstitch_mongodb/mongodb.dart';
import 'package:appstitch_mongodb/types.dart';
import 'package:flutter/material.dart';
import '../types/user.dart';

void main() {
  runApp(MyApp());
}

class MyApp extends StatelessWidget {
  // This widget is the root of your application.
  @override
  Widget build(BuildContext context) {
    return MaterialApp(
      title: 'Apstitch MongoDB example',
      theme: ThemeData(
        primarySwatch: Colors.blue,
      ),
      home: MyHomePage(title: 'Appstitch MongoDB example'),
    );
  }
}

class MyHomePage extends StatefulWidget {
  MyHomePage({Key? key, required this.title}) : super(key: key);

  final String title;

  @override
  _MyHomePageState createState() => _MyHomePageState();
}

class _MyHomePageState extends State<MyHomePage> {
  /// TODO
  // Appstitch

  bool loading = false;

  final String appstitchKey = "";
  final String clientID = "";

  Core core = Core();
  int userCount = 0;
  String userID = "";
  User user = User();
  List<User> users = List.empty();
  MongoDB db = MongoDB();

  @override
  void initState() {
    super.initState();

    final options = Options(appStitchKey: appstitchKey, clientID: clientID);
    core.initialize(options);
  }

  void showMessage(String message) {
    ScaffoldMessenger.of(context).showSnackBar(SnackBar(
      content: Text(message),
      duration: const Duration(seconds: 1),
    ));
  }

  void startSpinner() {
    setState(() {
      loading = true;
    });
  }

  void stopSpinner() {
    setState(() {
      loading = false;
    });
  }

  void insertUser() async {
    startSpinner();
    final _user = User(
        email: "[e-mail]",
        firstName: "test",
        lastName: "example",
        dateOfBirth: DateTime(1991, 06, 25));

    // Example using then/catch
    db
        .collection("logging")
        .insert(_user.toJson(), WriteOptions(syncData: true))
        .then((result) {
      if (result.success!) {
        setState(() {
          userID = result.id!;
        });

        showMessage("User Created");
      } else {
        showMessage(result.message!);
      }
      stopSpinner();
    }).catchError((onError) {
      showMessage("Unable to create user");
      stopSpinner();
    });
  }

  void fetchUser() async {
    startSpinner();

    final result = await db
        .collection("logging")
        .id(userID)
        .include(["email", "firstName", "dateOfBirth"]).fetch();

    if (result.success!) {
      setState(() {
        user = User.fromJson(result.doc!);
      });
      showMessage("Fetched User");
    } else {
      showMessage(result.message!);
    }

    stopSpinner();
  }

  void fetchAllUsers() async {
    startSpinner();

    final result = await db
        .collection("logging")
        .where("email", OperatorType.equal, "[e-mail]")
        .limit(20)
        .fetch();

    if (result.success!) {
      setState(() {
        userCount = result.docs!.length;
      });

      showMessage("${result.docs!.length} fetched");
    } else {
      showMessage(result.message!);
    }

    stopSpinner();
  }

  void updateUser() async {
    startSpinner();
    user.email = "[e-mail]";

    final result =
        await db.collection("logging").id(userID).update(user.toJson());

    if (result.success!) {
      showMessage("Successfully Updated");
    } else {
      showMessage(result.message!);
    }

    stopSpinner();
  }

  void deleteUser() async {
    startSpinner();
    final result = await db.collection("logging").id(userID).delete();

    if (result.success!) {
      setState(() {
        user = User();
      });
      showMessage("Successfully Deleted");
    } else {
      showMessage(result.message!);
    }

    stopSpinner();
  }

  @override
  Widget build(BuildContext context) {
    // This method is rerun every time setState is called, for instance as done
    // by the _incrementCounter method above.
    //
    // The Flutter framework has been optimized to make rerunning build methods
    // fast, so that you can just rebuild anything that needs updating rather
    // than having to individually change instances of widgets.
    return Scaffold(
      appBar: AppBar(
        // Here we take the value from the MyHomePage object that was created by
        // the App.build method, and use it to set our appbar title.
        title: Text(widget.title),
      ),
      body: Center(
        child: Column(
          mainAxisAlignment: MainAxisAlignment.center,
          children: <Widget>[
            Text(
              'Total Users : $userCount',
              style: Theme.of(context).textTheme.bodyText1,
            ),
            Text(
              'User ID:$userID',
              style: Theme.of(context).textTheme.bodyText1,
            ),
            Text(
              'First Name:${user.firstName ?? ""}',
              style: Theme.of(context).textTheme.bodyText1,
            ),
            Text(
              'Last Name: ${user.lastName ?? ""}',
              style: Theme.of(context).textTheme.bodyText1,
            ),
            Text(
              'Email: ${user.email ?? ""}',
              style: Theme.of(context).textTheme.bodyText1,
            ),
            ElevatedButton(
              child: Text("Create User"),
              onPressed: insertUser,
            ),
            Padding(
                padding: EdgeInsets.symmetric(vertical: 4.0),
                child: ElevatedButton(
                  child: Text("Fetch User"),
                  onPressed: fetchUser,
                )),
            Padding(
                padding: EdgeInsets.symmetric(vertical: 4.0),
                child: ElevatedButton(
                  child: Text("Fetch All Users"),
                  onPressed: fetchAllUsers,
                )),
            Padding(
                padding: EdgeInsets.symmetric(vertical: 4.0),
                child: ElevatedButton(
                  child: Text("Update Email"),
                  onPressed: updateUser,
                )),
            Padding(
                padding: EdgeInsets.symmetric(vertical: 4.0),
                child: ElevatedButton(
                  child: Text("Delete User"),
                  onPressed: deleteUser,
                )),
            Visibility(
              visible: loading,
              child: CircularProgressIndicator(),
            ),
          ],
        ),
      ),
    );
  }
}