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ericwindmillericwindmill
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Cloud functions (#3)
* adds cloud functions * adds cloud messaging snippets Co-authored-by: Eric Windmill <[email protected]>
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‎packages/firebase_snippets_app/lib/snippets/cloud_functions.dart

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// Copyright 2022 Google LLC
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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// ignore_for_file: non_constant_identifier_names, avoid_print
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import 'package:cloud_functions/cloud_functions.dart';
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import 'package:firebase_snippets_app/snippets/snippet_base.dart';
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class CloudFunctionsSnippets implements DocSnippet {
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late final FirebaseFunctions functions;
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CloudFunctionsSnippets() {
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functions = FirebaseFunctions.instance;
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}
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@override
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void runAll() {
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addMessage('text');
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callFunctionsFromYourApp_handleErrorsOnTheClient();
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}
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// [START call_functions_from_your_app_call_the_function]
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Future<HttpsCallableResult> addMessage(String text) {
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final data = {
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"text": text,
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"push": true,
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};
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final addMessage = functions.httpsCallable("addMessage");
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return addMessage(data);
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}
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// [END call_functions_from_your_app_call_the_function]
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void callFunctionsFromYourApp_handleErrorsOnTheClient() {
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// [START call_functions_from_your_app_handle_errors_on_the_client]
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final addMessage = functions.httpsCallable("addMessage");
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addMessage({"text": "message text"}).then(
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// Read result of the Cloud Function.
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(result) => print(result.data['text']),
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onError: (e) => print("Error calling function: $e"),
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);
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// [END call_functions_from_your_app_handle_errors_on_the_client]
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}
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}

‎packages/firebase_snippets_app/lib/snippets/cloud_messaging.dart

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// Copyright 2022 Google LLC
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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// ignore_for_file: non_constant_identifier_names, avoid_print
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import 'package:firebase_messaging/firebase_messaging.dart';
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import 'package:firebase_snippets_app/snippets/snippet_base.dart';
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class CloudMessagingSnippets implements DocSnippet {
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@override
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void runAll() {
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setUp_retrieveTheCurrentRegistrationToken();
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sendATestMessage_monitorTokenRefresh();
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sendMessagesToMultipleDevices_subscribeClientAppToTopic();
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sendMessagesToMultipleDevices_onMessageReceived();
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sendMessagesToMultipleDevices_onBackgroundMessageReceived();
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}
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void setUp_retrieveTheCurrentRegistrationToken() {
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// [START set_up_retrieve_the_current_registration_token]
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FirebaseMessaging.instance.getToken().then(
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(token) => print("Received token: $token"),
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onError: (e) => print("Error completing: $e"),
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);
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// [END set_up_retrieve_the_current_registration_token]
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}
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void _sendRegistrationToServer(String t) => {};
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void sendATestMessage_monitorTokenRefresh() {
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// [START send_a_test_message_monitor_token_refresh]
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FirebaseMessaging.instance.onTokenRefresh.listen((newToken) {
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print("Refreshed token: $newToken");
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_sendRegistrationToServer(newToken);
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});
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// [END send_a_test_message_monitor_token_refresh]
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}
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void sendMessagesToMultipleDevices_subscribeClientAppToTopic() {
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// [START send_messages_to_multiple_devices_subscribe_client_app_to_topic]
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FirebaseMessaging.instance.subscribeToTopic("weather");
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// [END send_messages_to_multiple_devices_subscribe_client_app_to_topic]
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}
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void sendMessagesToMultipleDevices_onMessageReceived() {
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// [START send_messages_to_multiple_devices_override_on_message_received]
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FirebaseMessaging.onMessage.listen((RemoteMessage event) {
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print("Received new message: ${event.data}");
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});
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// [END send_messages_to_multiple_devices_override_on_message_received]
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}
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void sendMessagesToMultipleDevices_onBackgroundMessageReceived() {
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// [START send_messages_to_multiple_devices_override_on_background_message_received]
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FirebaseMessaging.onBackgroundMessage((RemoteMessage event) async {
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print("Received new message: ${event.data}");
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});
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// [END send_messages_to_multiple_devices_override_on_background_message_received]
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}
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}

‎packages/firebase_snippets_app/pubspec.lock

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url: "https://pub.dartlang.org"
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source: hosted
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version: "2.6.8"
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cloud_functions:
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dependency: "direct main"
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description:
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name: cloud_functions
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url: "https://pub.dartlang.org"
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source: hosted
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version: "3.2.10"
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cloud_functions_platform_interface:
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dependency: transitive
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description:
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name: cloud_functions_platform_interface
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url: "https://pub.dartlang.org"
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source: hosted
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version: "5.1.1"
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cloud_functions_web:
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dependency: transitive
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description:
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name: cloud_functions_web
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url: "https://pub.dartlang.org"
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source: hosted
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version: "4.2.9"
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collection:
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dependency: transitive
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description:
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url: "https://pub.dartlang.org"
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source: hosted
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version: "1.6.1"
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firebase_messaging:
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dependency: "direct main"
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description:
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name: firebase_messaging
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url: "https://pub.dartlang.org"
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source: hosted
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version: "11.2.11"
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firebase_messaging_platform_interface:
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dependency: transitive
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description:
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name: firebase_messaging_platform_interface
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url: "https://pub.dartlang.org"
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source: hosted
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version: "3.2.1"
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firebase_messaging_web:
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dependency: transitive
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description:
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name: firebase_messaging_web
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url: "https://pub.dartlang.org"
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source: hosted
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version: "2.2.9"
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firebase_remote_config:
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dependency: "direct main"
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description:

‎packages/firebase_snippets_app/pubspec.yaml

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firebase_core: ^1.12.0
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cloud_firestore: ^3.1.8
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firebase_remote_config: ^2.0.2
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firebase_messaging: ^11.2.11
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cloud_functions: ^3.2.10
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dev_dependencies:
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flutter_test:

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