add: ping to flutter sdk.

Author: ItzNotABug

templates/flutter/lib/src/client.dart.twig

@@ -65,6 +65,9 @@ abstract class Client {
   /// Add headers that should be sent with all API calls.
   Client addHeader(String key, String value);
 
+  /// Sends a "ping" request to Appwrite to verify connectivity.
+  Future<String> ping();
+
   /// Send the API request.
   Future<Response> call(HttpMethod method, {
     String path = '',

templates/flutter/lib/src/client_base.dart.twig

@@ -23,6 +23,9 @@ abstract class ClientBase implements Client {
   @override
   ClientBase addHeader(String key, String value);
 
+  @override
+  Future<String> ping();
+
   @override
   Future<Response> call(
     HttpMethod method, {

templates/flutter/lib/src/client_browser.dart.twig

@@ -98,6 +98,14 @@ class ClientBrowser extends ClientBase with ClientMixin {
     return this;
   }
 
+  @override
+  Future<String> ping() async {
+    final String apiPath = '/ping';
+    final response = await call(HttpMethod.get, responseType: ResponseType.plain);
+
+    return response.data;
+  }
+
   Future init() async {
     final cookieFallback = web.window.localStorage['cookieFallback'];
     if (cookieFallback != null) {

templates/flutter/lib/src/client_io.dart.twig

@@ -130,6 +130,14 @@ class ClientIO extends ClientBase with ClientMixin {
     return this;
   }
 
+  @override
+  Future<String> ping() async {
+    final String apiPath = '/ping';
+    final response = await call(HttpMethod.get, responseType: ResponseType.plain);
+
+    return response.data;
+  }
+
   Future init() async {
     if(_initProgress) return;
     _initProgress = true;

tests/FlutterBetaTest.php

@@ -19,6 +19,7 @@ class FlutterBetaTest extends Base
         'docker run --network="mockapi" --rm -v $(pwd):/app -w /app/tests/sdks/flutter fischerscode/flutter-sudo:beta sh -c "sudo chown -R flutter:flutter . && flutter pub get && flutter test test/appwrite_test.dart"';
 
     protected array $expectedOutput = [
+        ...Base::PING_RESPONSE,
         ...Base::FOO_RESPONSES,
         ...Base::BAR_RESPONSES,
         ...Base::GENERAL_RESPONSES,

tests/FlutterStableTest.php

@@ -19,6 +19,7 @@ class FlutterStableTest extends Base
         'docker run --network="mockapi" --rm -v $(pwd):/app:rw -w /app/tests/sdks/flutter fischerscode/flutter-sudo:stable sh -c "sudo chown -R flutter:flutter . && flutter pub get && flutter test test/appwrite_test.dart"';
 
     protected array $expectedOutput = [
+        ...Base::PING_RESPONSE,
         ...Base::FOO_RESPONSES,
         ...Base::BAR_RESPONSES,
         ...Base::GENERAL_RESPONSES,

tests/languages/flutter/tests.dart

@@ -7,6 +7,7 @@ import '../lib/models.dart';
 import '../lib/enums.dart';
 import '../lib/src/input_file.dart';
 import 'dart:io';
+import 'dart:convert';
 
 class FakePathProvider extends PathProviderPlatform {
   @override
@@ -20,17 +21,23 @@ void main() async {
   WidgetsFlutterBinding.ensureInitialized();
   PathProviderPlatform.instance = FakePathProvider();
   Client client = Client()
+      .setProject('123456')
       .addHeader("Origin", "http://localhost")
       .setSelfSigned();
-  Foo foo = Foo(client);
-  Bar bar = Bar(client);
-  General general = General(client);
 
-  client.setSelfSigned();
+  final ping = await client.ping();
+  final pingResponse = parse(ping)!;
+  print(pingResponse);
+
+  // reset configs
   client.setProject('console');
   client.setEndPointRealtime(
       "wss://cloud.appwrite.io/v1");
 
+  Foo foo = Foo(client);
+  Bar bar = Bar(client);
+  General general = General(client);
+
   Realtime realtime = Realtime(client);
    final rtsub = realtime.subscribe(["tests"]);
 
@@ -189,3 +196,11 @@ void main() async {
   response = await general.headers();
   print(response.result);
 }
+
+String? parse(String json) {
+  try {
+    return jsonDecode(json)['result'] as String?;
+  } catch (_) {
+    return null;
+  }
+}