update

lib/config/hive_config.dart

@@ -47,7 +47,7 @@ class BNames {
   static String hetznerKey = 'hetznerKey';
   static String cloudFlareKey = 'cloudFlareKey';
   static String rootUser = 'rootUser';
-  static String server = 'server';
+  static String hetznerServer = 'server';
   static String isDnsCheckedAndDkimSet = 'isDnsCheckedAndDkimSet';
   static String serverInitStart = 'serverInitStart';
 }

lib/logic/api_maps/hetzner.dart

@@ -58,7 +58,7 @@ class HetznerApi extends ApiMap {
     return HetznerServerDetails(
       id: response.data['server']['id'],
       ip4: response.data['server']['public_net']['ipv4']['ip'],
-      serverInitializaionDateTime: DateTime.now(),
+      startTime: DateTime.now(),
     );
   }
 }

lib/logic/cubit/app_config/app_config_cubit.dart

@@ -1,3 +1,5 @@
+import 'dart:io';
+
 import 'package:bloc/bloc.dart';
 import 'package:equatable/equatable.dart';
 import 'package:hive/hive.dart';
@@ -22,7 +24,7 @@ class AppConfigCubit extends Cubit<AppConfigState> {
         cloudFlareKey: box.get(BNames.cloudFlareKey),
         domain: box.get(BNames.domain),
         rootUser: box.get(BNames.rootUser),
-        hetznerServer: box.get(BNames.server),
+        hetznerServer: box.get(BNames.hetznerServer),
         isDnsCheckedAndDkimSet: box.get(BNames.isDnsCheckedAndDkimSet),
       ),
     );
@@ -53,9 +55,27 @@ class AppConfigCubit extends Cubit<AppConfigState> {
     emit(state.copyWith(rootUser: rootUser));
   }
 
-  void setIsDnsCheckedAndDkimSet() {
+  Future<void> checkDns() async {
-    box.put(BNames.isDnsCheckedAndDkimSet, true);
+    var ip4 = state.server.ip4;
-    emit(state.copyWith(isDnsCheckedAndDkimSet: true));
+    var domainName = state.cloudFlareDomain.name;
+    var addresses = <String>[
+      '$domainName',
+      'api.$domainName',
+      'cloud.$domainName',
+      'meet.$domainName',
+      'password.$domainName'
+    ];
+    var hasError = false;
+    for (var address in addresses) {
+      var res = await InternetAddress.lookup(address);
+      if (res.isEmpty || res[0].address != ip4) {
+        hasError = true;
+        break;
+      }
+    }
+    if (hasError) {
+      emit(state.copyWith(error: Exception('dns checking error')));
+    }
   }
 
   void createServer() async {
@@ -74,7 +94,7 @@ class AppConfigCubit extends Cubit<AppConfigState> {
           cloudFlareDomain: state.cloudFlareDomain,
         )
         .then((_) => cloudflareApi.close());
-    await box.put(BNames.server, serverDetails);
+    await box.put(BNames.hetznerServer, serverDetails);
 
     hetznerApi.close();
 

lib/logic/cubit/app_config/app_config_state.dart

@@ -9,6 +9,7 @@ class AppConfigState extends Equatable {
     this.server,
     this.isDnsCheckedAndDkimSet = false,
     this.isLoading = false,
+    this.error,
   });
 
   @override
@@ -20,6 +21,7 @@ class AppConfigState extends Equatable {
         server,
         isDnsCheckedAndDkimSet,
         isLoading,
+        error
       ];
 
   final String hetznerKey;
@@ -29,7 +31,8 @@ class AppConfigState extends Equatable {
   final HetznerServerDetails server;
   final bool isDnsCheckedAndDkimSet;
 
-  final isLoading;
+  final bool isLoading;
+  final Exception error;
 
   AppConfigState copyWith({
     String hetznerKey,
@@ -40,6 +43,7 @@ class AppConfigState extends Equatable {
     bool isDnsCheckedAndDkimSet,
     bool isLoading,
     DateTime serverInitStart,
+    Exception error,
   }) =>
       AppConfigState(
         hetznerKey: hetznerKey ?? this.hetznerKey,
@@ -47,8 +51,10 @@ class AppConfigState extends Equatable {
         cloudFlareDomain: domain ?? this.cloudFlareDomain,
         rootUser: rootUser ?? this.rootUser,
         server: hetznerServer ?? this.server,
-        isDnsCheckedAndDkimSet: isDnsCheckedAndDkimSet ?? this.isDnsCheckedAndDkimSet,
+        isDnsCheckedAndDkimSet:
+            isDnsCheckedAndDkimSet ?? this.isDnsCheckedAndDkimSet,
         isLoading: isLoading ?? this.isLoading,
+        error: error ?? this.error,
       );
 
   bool get isHetznerFilled => hetznerKey != null;
@@ -56,7 +62,7 @@ class AppConfigState extends Equatable {
   bool get isDomainFilled => cloudFlareDomain != null;
   bool get isUserFilled => rootUser != null;
   bool get isServerFilled => server != null;
-  
+
   bool get isFullyInitilized => _fulfilementList.every((el) => el);
 
   int get progress => _fulfilementList.where((el) => el).length;

lib/logic/models/server_details.dart

@@ -8,7 +8,7 @@ class HetznerServerDetails {
   HetznerServerDetails({
     @required this.ip4,
     @required this.id,
-    @required this.serverInitializaionDateTime,
+    @required this.startTime,
   });
 
   @HiveField(0)
@@ -18,7 +18,7 @@ class HetznerServerDetails {
   final int id;
 
   @HiveField(2)
-  final DateTime serverInitializaionDateTime;
+  final DateTime startTime;
 
   String toString() => id.toString();
 }

lib/logic/models/server_details.g.dart

@@ -19,7 +19,7 @@ class HetznerServerDetailsAdapter extends TypeAdapter<HetznerServerDetails> {
     return HetznerServerDetails(
       ip4: fields[0] as String,
       id: fields[1] as int,
-      serverInitializaionDateTime: fields[2] as DateTime,
+      startTime: fields[2] as DateTime,
     );
   }
 
@@ -32,7 +32,7 @@ class HetznerServerDetailsAdapter extends TypeAdapter<HetznerServerDetails> {
       ..writeByte(1)
       ..write(obj.id)
       ..writeByte(2)
-      ..write(obj.serverInitializaionDateTime);
+      ..write(obj.startTime);
   }
 
   @override

lib/ui/components/brand_timer/brand_timer.dart

@@ -0,0 +1,76 @@
+import 'dart:async';
+
+import 'package:flutter/material.dart';
+import 'package:selfprivacy/ui/components/brand_text/brand_text.dart';
+import 'package:selfprivacy/utils/named_font_weight.dart';
+
+class BrandTimer extends StatefulWidget {
+  const BrandTimer({
+    Key key,
+    @required this.startDateTime,
+    @required this.duration,
+    @required this.callback,
+  }) : super(key: key);
+
+  final DateTime startDateTime;
+  final Duration duration;
+  final VoidCallback callback;
+
+  @override
+  _BrandTimerState createState() => _BrandTimerState();
+}
+
+class _BrandTimerState extends State<BrandTimer> {
+  String _timeString;
+  Timer timer;
+
+  @override
+  void initState() {
+    _timeString = diffenceFromStart;
+    timer = Timer.periodic(Duration(seconds: 1), (Timer t) {
+      var timePassed = DateTime.now().difference(widget.startDateTime);
+      if (timePassed > widget.duration) {
+        t.cancel();
+        widget.callback();
+      } else {
+        _getTime();
+      }
+    });
+    super.initState();
+  }
+
+  @override
+  Widget build(BuildContext context) {
+    return BrandText.medium(
+      _timeString,
+      style: TextStyle(
+        fontWeight: NamedFontWeight.demiBold,
+      ),
+    );
+  }
+
+  void _getTime() {
+    setState(() {
+      _timeString = diffenceFromStart;
+    });
+  }
+
+  String get diffenceFromStart =>
+      _durationToString(DateTime.now().difference(widget.startDateTime));
+
+  String _durationToString(Duration duration) {
+    String twoDigits(int n) => n.toString().padLeft(2, "0");
+    String twoDigitMinutes = twoDigits(duration.inMinutes.remainder(60));
+    String twoDigitSeconds = twoDigits(duration.inSeconds.remainder(60));
+
+    return "$twoDigitMinutes:$twoDigitSeconds";
+  }
+
+  @override
+  void dispose() {
+    if (timer.isActive) {
+      timer.cancel();
+    }
+    super.dispose();
+  }
+}

lib/ui/pages/initializing/initializing.dart

@@ -1,6 +1,9 @@
+import 'dart:io';
+
 import 'package:cubit_form/cubit_form.dart';
 import 'package:flutter/material.dart';
 import 'package:flutter_bloc/flutter_bloc.dart';
+import 'package:selfprivacy/config/brand_colors.dart';
 import 'package:selfprivacy/config/brand_theme.dart';
 import 'package:selfprivacy/config/text_themes.dart';
 import 'package:selfprivacy/logic/cubit/forms/initializing/cloudflare_form_cubit.dart';
@@ -14,6 +17,7 @@ import 'package:selfprivacy/ui/components/brand_card/brand_card.dart';
 import 'package:selfprivacy/ui/components/brand_modal_sheet/brand_modal_sheet.dart';
 import 'package:selfprivacy/ui/components/brand_span_button/brand_span_button.dart';
 import 'package:selfprivacy/ui/components/brand_text/brand_text.dart';
+import 'package:selfprivacy/ui/components/brand_timer/brand_timer.dart';
 import 'package:selfprivacy/ui/components/progress_bar/progress_bar.dart';
 import 'package:selfprivacy/ui/pages/rootRoute.dart';
 import 'package:selfprivacy/utils/route_transitions/basic.dart';
@@ -22,12 +26,14 @@ class InitializingPage extends StatelessWidget {
   @override
   Widget build(BuildContext context) {
     var cubit = context.watch<AppConfigCubit>();
+    print(cubit.state.error);
     var actualPage = [
       _stepHetzner(cubit),
       _stepCloudflare(cubit),
       _stepDomain(cubit),
       _stepUser(cubit),
       _stepServer(cubit),
+      _stepCheck(cubit),
       Container(child: Text('Everythigng is initialized'))
     ][cubit.state.progress];
     return BlocListener<AppConfigCubit, AppConfigState>(
@@ -286,6 +292,51 @@ class InitializingPage extends StatelessWidget {
     });
   }
 
+  Widget _stepCheck(AppConfigCubit appConfigCubit) {
+    var state = appConfigCubit.state;
+    var error = state.error;
+    print(error);
+    return Builder(builder: (context) {
+      return Column(
+        crossAxisAlignment: CrossAxisAlignment.start,
+        children: [
+          Spacer(flex: 2),
+          BrandText.h2(error == null ? 'Создание началось' : 'Error'),
+          SizedBox(height: 10),
+          error == null
+              ? BrandText.body2(
+                  'Мы начали процесс инциализации сервера, через 10 минут, мы проверим правильность DNS записей, и закончим инциализацию',
+                )
+              : BrandText.body2(
+                  error.toString(),
+                  style: TextStyle(color: BrandColors.red1),
+                ),
+          SizedBox(height: 10),
+          Row(
+            children: [
+              BrandText.body2('Времени прошло: '),
+              BrandTimer(
+                startDateTime: state.server.startTime,
+                duration: Duration(minutes: 10),
+                callback: () {
+                  appConfigCubit.checkDns();
+                  // print(state.server.ip4);
+                },
+              ),
+            ],
+          ),
+          Spacer(
+            flex: 2,
+          ),
+          BrandButton.text(
+            onPressed: () => _showModal(context, _HowHetzner()),
+            title: 'Что это значит?',
+          ),
+        ],
+      );
+    });
+  }
+
   Widget _addCard(Widget child) {
     return Container(
       height: 500,