feat(initializing): Implement location selection step for initializing page

lib/logic/cubit/server_installation/server_installation_cubit.dart

@@ -16,6 +16,8 @@ import 'package:selfprivacy/logic/models/hive/user.dart';
 import 'package:selfprivacy/logic/models/server_basic_info.dart';
 
 import 'package:selfprivacy/logic/cubit/server_installation/server_installation_repository.dart';
+import 'package:selfprivacy/logic/models/server_provider_location.dart';
+import 'package:selfprivacy/logic/models/server_type.dart';
 
 export 'package:provider/provider.dart';
 
@@ -93,6 +95,19 @@ class ServerInstallationCubit extends Cubit<ServerInstallationState> {
           )
           .isApiTokenValid(providerToken);
 
+  Future<List<ServerProviderLocation>> fetchAvailableLocations() async {
+    if (repository.serverProviderApiFactory == null) {
+      return [];
+    }
+
+    return repository.serverProviderApiFactory!
+          .getServerProvider(
+            settings: const ServerProviderApiSettings(region: 'fra1'),
+          )
+          .getAvailableLocations();
+  }
+  
+
   void setServerProviderKey(final String serverProviderKey) async {
     await repository.saveServerProviderKey(serverProviderKey);
 

lib/logic/cubit/server_installation/server_installation_state.dart

@@ -3,6 +3,7 @@ part of '../server_installation/server_installation_cubit.dart';
 abstract class ServerInstallationState extends Equatable {
   const ServerInstallationState({
     required this.providerApiToken,
+    required this.serverType,
     required this.cloudFlareKey,
     required this.backblazeCredential,
     required this.serverDomain,
@@ -31,11 +32,13 @@ abstract class ServerInstallationState extends Equatable {
   final ServerDomain? serverDomain;
   final User? rootUser;
   final ServerHostingDetails? serverDetails;
+  final ServerType? serverType;
   final bool isServerStarted;
   final bool isServerResetedFirstTime;
   final bool isServerResetedSecondTime;
 
-  bool get isServerProviderFilled => providerApiToken != null;
+  bool get isServerProviderApiKeyFilled => providerApiToken != null;
+  bool get isServerTypeFilled => serverType != null;
   bool get isDnsProviderFilled => cloudFlareKey != null;
   bool get isBackupsProviderFilled => backblazeCredential != null;
   bool get isDomainSelected => serverDomain != null;
@@ -58,7 +61,8 @@ abstract class ServerInstallationState extends Equatable {
 
   List<bool?> get _fulfilementList {
     final List<bool> res = [
-      isServerProviderFilled,
+      isServerProviderApiKeyFilled,
+      isServerTypeFilled,
       isDnsProviderFilled,
       isBackupsProviderFilled,
       isDomainSelected,
@@ -76,11 +80,12 @@ abstract class ServerInstallationState extends Equatable {
 class TimerState extends ServerInstallationNotFinished {
   TimerState({
     required this.dataState,
-    required final super.isLoading,
+    required super.isLoading,
     this.timerStart,
     this.duration,
   }) : super(
           providerApiToken: dataState.providerApiToken,
+          serverType: dataState.serverType,
           cloudFlareKey: dataState.cloudFlareKey,
           backblazeCredential: dataState.backblazeCredential,
           serverDomain: dataState.serverDomain,
@@ -119,17 +124,18 @@ enum ServerSetupProgress {
 
 class ServerInstallationNotFinished extends ServerInstallationState {
   const ServerInstallationNotFinished({
-    required final super.isServerStarted,
-    required final super.isServerResetedFirstTime,
-    required final super.isServerResetedSecondTime,
-    required final this.isLoading,
+    required super.isServerStarted,
+    required super.isServerResetedFirstTime,
+    required super.isServerResetedSecondTime,
+    required this.isLoading,
     required this.dnsMatches,
-    final super.providerApiToken,
-    final super.cloudFlareKey,
-    final super.backblazeCredential,
-    final super.serverDomain,
-    final super.rootUser,
-    final super.serverDetails,
+    super.providerApiToken,
+    super.serverType,
+    super.cloudFlareKey,
+    super.backblazeCredential,
+    super.serverDomain,
+    super.rootUser,
+    super.serverDetails,
   });
   final bool isLoading;
   final Map<String, bool>? dnsMatches;
@@ -137,6 +143,7 @@ class ServerInstallationNotFinished extends ServerInstallationState {
   @override
   List<Object?> get props => [
         providerApiToken,
+        serverType,
         cloudFlareKey,
         backblazeCredential,
         serverDomain,
@@ -150,6 +157,7 @@ class ServerInstallationNotFinished extends ServerInstallationState {
 
   ServerInstallationNotFinished copyWith({
     final String? providerApiToken,
+    final ServerType? serverType,
     final String? cloudFlareKey,
     final BackblazeCredential? backblazeCredential,
     final ServerDomain? serverDomain,
@@ -163,6 +171,7 @@ class ServerInstallationNotFinished extends ServerInstallationState {
   }) =>
       ServerInstallationNotFinished(
         providerApiToken: providerApiToken ?? this.providerApiToken,
+        serverType: serverType ?? this.serverType,
         cloudFlareKey: cloudFlareKey ?? this.cloudFlareKey,
         backblazeCredential: backblazeCredential ?? this.backblazeCredential,
         serverDomain: serverDomain ?? this.serverDomain,
@@ -179,6 +188,7 @@ class ServerInstallationNotFinished extends ServerInstallationState {
 
   ServerInstallationFinished finish() => ServerInstallationFinished(
         providerApiToken: providerApiToken!,
+        serverType: serverType!,
         cloudFlareKey: cloudFlareKey!,
         backblazeCredential: backblazeCredential!,
         serverDomain: serverDomain!,
@@ -209,20 +219,22 @@ class ServerInstallationEmpty extends ServerInstallationNotFinished {
 
 class ServerInstallationFinished extends ServerInstallationState {
   const ServerInstallationFinished({
-    required final String super.providerApiToken,
-    required final String super.cloudFlareKey,
-    required final BackblazeCredential super.backblazeCredential,
-    required final ServerDomain super.serverDomain,
-    required final User super.rootUser,
-    required final ServerHostingDetails super.serverDetails,
-    required final super.isServerStarted,
-    required final super.isServerResetedFirstTime,
-    required final super.isServerResetedSecondTime,
+    required String super.providerApiToken,
+    required ServerType super.serverType,
+    required String super.cloudFlareKey,
+    required BackblazeCredential super.backblazeCredential,
+    required ServerDomain super.serverDomain,
+    required User super.rootUser,
+    required ServerHostingDetails super.serverDetails,
+    required super.isServerStarted,
+    required super.isServerResetedFirstTime,
+    required super.isServerResetedSecondTime,
   });
 
   @override
   List<Object?> get props => [
         providerApiToken,
+        serverType,
         cloudFlareKey,
         backblazeCredential,
         serverDomain,
@@ -260,12 +272,13 @@ class ServerInstallationRecovery extends ServerInstallationState {
   const ServerInstallationRecovery({
     required this.currentStep,
     required this.recoveryCapabilities,
-    final super.providerApiToken,
-    final super.cloudFlareKey,
-    final super.backblazeCredential,
-    final super.serverDomain,
-    final super.rootUser,
-    final super.serverDetails,
+    super.providerApiToken,
+    super.serverType,
+    super.cloudFlareKey,
+    super.backblazeCredential,
+    super.serverDomain,
+    super.rootUser,
+    super.serverDetails,
   }) : super(
           isServerStarted: true,
           isServerResetedFirstTime: true,
@@ -277,6 +290,7 @@ class ServerInstallationRecovery extends ServerInstallationState {
   @override
   List<Object?> get props => [
         providerApiToken,
+        serverType,
         cloudFlareKey,
         backblazeCredential,
         serverDomain,
@@ -289,6 +303,7 @@ class ServerInstallationRecovery extends ServerInstallationState {
 
   ServerInstallationRecovery copyWith({
     final String? providerApiToken,
+    final ServerType? serverType,
     final String? cloudFlareKey,
     final BackblazeCredential? backblazeCredential,
     final ServerDomain? serverDomain,
@@ -299,6 +314,7 @@ class ServerInstallationRecovery extends ServerInstallationState {
   }) =>
       ServerInstallationRecovery(
         providerApiToken: providerApiToken ?? this.providerApiToken,
+        serverType: serverType ?? this.serverType,
         cloudFlareKey: cloudFlareKey ?? this.cloudFlareKey,
         backblazeCredential: backblazeCredential ?? this.backblazeCredential,
         serverDomain: serverDomain ?? this.serverDomain,
@@ -310,6 +326,7 @@ class ServerInstallationRecovery extends ServerInstallationState {
 
   ServerInstallationFinished finish() => ServerInstallationFinished(
         providerApiToken: providerApiToken!,
+        serverType: serverType!,
         cloudFlareKey: cloudFlareKey!,
         backblazeCredential: backblazeCredential!,
         serverDomain: serverDomain!,

lib/ui/pages/setup/initializing/initializing.dart

@@ -7,7 +7,6 @@ import 'package:selfprivacy/logic/cubit/forms/factories/field_cubit_factory.dart
 import 'package:selfprivacy/logic/cubit/forms/setup/initializing/backblaze_form_cubit.dart';
 import 'package:selfprivacy/logic/cubit/forms/setup/initializing/dns_provider_form_cubit.dart';
 import 'package:selfprivacy/logic/cubit/forms/setup/initializing/domain_setup_cubit.dart';
-import 'package:selfprivacy/logic/cubit/forms/setup/initializing/provider_form_cubit.dart';
 import 'package:selfprivacy/logic/cubit/forms/setup/initializing/root_user_form_cubit.dart';
 import 'package:selfprivacy/ui/components/brand_bottom_sheet/brand_bottom_sheet.dart';
 import 'package:selfprivacy/ui/components/brand_button/brand_button.dart';
@@ -17,13 +16,14 @@ 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/root_route.dart';
-import 'package:selfprivacy/ui/pages/setup/initializing/provider_picker.dart';
+import 'package:selfprivacy/ui/pages/setup/initializing/server_provider_picker.dart';
+import 'package:selfprivacy/ui/pages/setup/initializing/server_type_picker.dart';
 import 'package:selfprivacy/ui/pages/setup/recovering/recovery_routing.dart';
 import 'package:selfprivacy/utils/route_transitions/basic.dart';
 
 class InitializingPage extends StatelessWidget {
   const InitializingPage({
-    final super.key,
+    super.key,
   });
 
   @override
@@ -36,7 +36,8 @@ class InitializingPage extends StatelessWidget {
       Widget? actualInitializingPage;
       if (cubit.state is! ServerInstallationFinished) {
         actualInitializingPage = [
-          () => _stepHetzner(cubit),
+          () => _stepServerProviderToken(cubit),
+          () => _stepServerType(cubit),
           () => _stepCloudflare(cubit),
           () => _stepBackblaze(cubit),
           () => _stepDomain(cubit),
@@ -139,11 +140,16 @@ class InitializingPage extends StatelessWidget {
     }
   }
 
-  Widget _stepHetzner(final ServerInstallationCubit serverInstallationCubit) =>
-      ProviderPicker(
+  Widget _stepServerProviderToken(final ServerInstallationCubit serverInstallationCubit) =>
+      ServerProviderPicker(
         serverInstallationCubit: serverInstallationCubit,
       );
 
+  Widget _stepServerType(final ServerInstallationCubit serverInstallationCubit) =>
+    ServerTypePicker(
+      serverInstallationCubit: serverInstallationCubit,
+    );
+
   void _showModal(final BuildContext context, final Widget widget) {
     showModalBottomSheet<void>(
       context: context,

lib/ui/pages/setup/initializing/server_provider_picker.dart

@@ -9,8 +9,8 @@ import 'package:selfprivacy/ui/components/brand_bottom_sheet/brand_bottom_sheet.
 import 'package:selfprivacy/ui/components/brand_button/filled_button.dart';
 import 'package:selfprivacy/ui/components/brand_md/brand_md.dart';
 
-class ProviderPicker extends StatefulWidget {
-  const ProviderPicker({
+class ServerProviderPicker extends StatefulWidget {
+  const ServerProviderPicker({
     required this.serverInstallationCubit,
     super.key,
   });
@@ -18,10 +18,10 @@ class ProviderPicker extends StatefulWidget {
   final ServerInstallationCubit serverInstallationCubit;
 
   @override
-  State<ProviderPicker> createState() => _ProviderPickerState();
+  State<ServerProviderPicker> createState() => _ServerProviderPickerState();
 }
 
-class _ProviderPickerState extends State<ProviderPicker> {
+class _ServerProviderPickerState extends State<ServerProviderPicker> {
   ServerProvider selectedProvider = ServerProvider.unknown;
 
   void setProvider(final ServerProvider provider) {

lib/ui/pages/setup/initializing/server_type_picker.dart

@@ -0,0 +1,118 @@
+import 'package:easy_localization/easy_localization.dart';
+import 'package:flutter/material.dart';
+import 'package:selfprivacy/logic/cubit/app_config_dependent/authentication_dependend_cubit.dart';
+import 'package:selfprivacy/logic/models/hive/server_details.dart';
+import 'package:selfprivacy/logic/models/server_provider_location.dart';
+
+class ServerTypePicker extends StatefulWidget {
+  const ServerTypePicker({
+    required this.serverInstallationCubit,
+    super.key,
+  });
+
+  final ServerInstallationCubit serverInstallationCubit;
+
+  @override
+  State<ServerTypePicker> createState() => _ServerTypePickerState();
+}
+
+class _ServerTypePickerState extends State<ServerTypePicker> {
+  ServerProviderLocation? serverProviderLocation;
+
+  void setServerProviderLocation(final ServerProviderLocation location) {
+    setState(() {
+      serverProviderLocation = location;
+    });
+  }
+
+  @override
+  Widget build(final BuildContext context) {
+    
+  }
+}
+
+class SelectLocationPage extends StatelessWidget {
+  const SelectLocationPage({
+    required this.serverInstallationCubit,
+    super.key,
+  });
+
+  final ServerInstallationCubit serverInstallationCubit;
+
+  @override
+  Widget build(final BuildContext context) => FutureBuilder(
+            future: serverInstallationCubit.repository.serverProviderApiFactory,
+            builder: (
+              final BuildContext context,
+              final AsyncSnapshot<Object?> snapshot,
+            ) {
+              if (snapshot.hasData) {
+                return _KeyDisplay(
+                  newDeviceKey: snapshot.data.toString(),
+                );
+              } else {
+                return const Center(child: CircularProgressIndicator());
+              }
+            },
+          ),
+}
+
+class ProviderSelectionPage extends StatelessWidget {
+  const ProviderSelectionPage({
+    required this.callback,
+    super.key,
+  });
+
+  final Function callback;
+
+  @override
+  Widget build(final BuildContext context) => Column(
+        children: [
+          Text(
+            'initializing.select_provider'.tr(),
+            style: Theme.of(context).textTheme.titleLarge,
+          ),
+          const SizedBox(height: 10),
+          Text(
+            'initializing.place_where_data'.tr(),
+          ),
+          const SizedBox(height: 10),
+          ConstrainedBox(
+            constraints: const BoxConstraints(
+              maxWidth: 320,
+            ),
+            child: Row(
+              children: [
+                InkWell(
+                  onTap: () {
+                    context
+                        .read<ServerInstallationCubit>()
+                        .setServerProviderType(ServerProvider.hetzner);
+                    callback(ServerProvider.hetzner);
+                  },
+                  child: Image.asset(
+                    'assets/images/logos/hetzner.png',
+                    width: 150,
+                  ),
+                ),
+                const SizedBox(
+                  width: 20,
+                ),
+                InkWell(
+                  onTap: () {
+                    context
+                        .read<ServerInstallationCubit>()
+                        .setServerProviderType(ServerProvider.digitalOcean);
+                    callback(ServerProvider.digitalOcean);
+                  },
+                  child: Image.asset(
+                    'assets/images/logos/digital_ocean.png',
+                    width: 150,
+                  ),
+                ),
+              ],
+            ),
+          ),
+        ],
+      );
+}