firebase_functions_interop 0.1.0-beta.3

Write Firebase Cloud Functions in Dart

example/example.dart

// Copyright (c) 2017, Anatoly Pulyaevskiy. All rights reserved. Use of this source code
// is governed by a BSD-style license that can be found in the LICENSE file.

import 'dart:async';
import 'package:firebase_functions_interop/firebase_functions_interop.dart';
import 'package:firebase_admin_interop/firebase_admin_interop.dart';

void main() {
  /// You can export a function by setting a key on global [firebaseFunctions]
  /// object.
  ///
  /// For HTTPS functions the key is also a URL path prefix, so in below
  /// example `helloWorld` function will be available at `/helloWorld`
  /// URL path and it will also handle all paths under this prefix, e.g.
  /// `/helloWorld/any/number/of/sections`.
  firebaseFunctions['helloWorld'] =
      firebaseFunctions.https.onRequest(helloWorld);
  firebaseFunctions['makeUppercase'] = firebaseFunctions.database
      .ref('/tests/{testId}/original')
      .onWrite(makeUppercase);
}

/// Example Realtime Database function.
FutureOr<Null> makeUppercase(DatabaseEvent<String> event) {
  var original = event.data.val();
  var pushId = event.params['testId'];
  print('Uppercasing $original');
  var uppercase = pushId.toString() + ': ' + original.toUpperCase();
  return event.data.ref.parent.child('uppercase').setValue(uppercase);
}

/// Example HTTPS function.
Future helloWorld(HttpRequest request) async {
  try {
    /// If you defined any config parameters you can access them as follows:
    var config = firebaseFunctions.config;
    var serviceKey = config.get('someservice.key');
    var serviceUrl = config.get('someservice.url');
    print('Service key: $serviceKey, service URL: $serviceUrl');

    /// The provided [request] is fully compatible with "dart:io" `HttpRequest`
    /// including the fact that it's a valid Dart `Stream`.
    String name = request.requestedUri.queryParameters['name'];
    if (name != null) {
      // You can also write to Realtime Database right here:
      var appOptions = firebaseFunctions.config.firebase;
      var admin = FirebaseAdmin.instance;
      var app = admin.initializeApp(new AppOptions(
          credential: appOptions.credential,
          databaseURL: appOptions.databaseURL));
      var database = app.database();
      await database.ref('/tests/some-path').setValue(name);
    }
    request.response.writeln('Hello world');
  } finally {
    request.response.close();
  }
}