Start writing the web app

Signed-off-by: Nikolai Rodionov <allanger@posteo.com>

lib/core/grpc/grpc_client.dart

@@ -0,0 +1,54 @@
+import 'package:flutter_riverpod/flutter_riverpod.dart';
+import 'package:softplayer_dart_proto/accounts/v1/accounts_v1.pbgrpc.dart';
+import 'package:softplayer_dart_proto/test/v1/test_v1.pbgrpc.dart';
+import 'package:softplayer_web/core/grpc/grpc_auth_interceptor.dart';
+import 'package:softplayer_web/core/tokens/application/tokens_application.dart';
+
+import 'grpc_channel_provider.dart';
+
+final testServiceClientProvider = Provider<TestServiceClient>((ref) {
+  final channel = ref.watch(grpcChannelProvider);
+  final tokenState = ref.read(tokensControllerProvider).value;
+  if (tokenState == null) {
+    throw Exception("Token state is not initialized");
+  }
+
+  return TestServiceClient(
+    channel,
+    interceptors: [
+      AuthInterceptor(
+        getAccessToken: tokenState.getAccessToken,
+        getRefreshToken: tokenState.getRefreshToken,
+      ),
+    ],
+  );
+});
+
+final accountsServiceClientProvider = Provider<AccountsServiceClient>((ref) {
+  final channel = ref.watch(grpcChannelProvider);
+  final tokenState = ref.read(tokensControllerProvider).value;
+  if (tokenState == null) {
+    throw Exception("Token state is not initialized");
+  }
+  return AccountsServiceClient(
+    channel,
+    interceptors: [
+      AuthInterceptor(
+        getAccessToken: tokenState.getAccessToken,
+        getRefreshToken: tokenState.getRefreshToken,
+      ),
+    ],
+  );
+});
+
+final publicAccountsServiceClientProvider =
+    Provider<PublicAccountsServiceClient>((ref) {
+      final channel = ref.watch(grpcChannelProvider);
+      return PublicAccountsServiceClient(channel);
+    });
+
+final refreshSessionServiceClientProvider =
+    Provider<RefreshSessionServiceClient>((ref) {
+      final channel = ref.watch(grpcChannelProvider);
+      return RefreshSessionServiceClient(channel);
+    });