TF-3712 Add SettingsCapability to hide language setting

lib/features/home/domain/extensions/session_extensions.dart

@@ -15,6 +15,7 @@ import 'package:jmap_dart_client/jmap/core/unsigned_int.dart';
 import 'package:model/download_all/download_all_capability.dart';
 import 'package:model/mailbox/mailbox_constants.dart';
 import 'package:model/model.dart';
+import 'package:server_settings/server_settings/capability_server_settings.dart';
 import 'package:tmail_ui_user/features/home/data/model/session_hive_obj.dart';
 import 'package:tmail_ui_user/features/home/domain/converter/session_account_converter.dart';
 import 'package:tmail_ui_user/features/home/domain/converter/session_capabilities_converter.dart';
@@ -29,6 +30,7 @@ extension SessionExtensions on Session {
     linagoraContactSupportCapability: ContactSupportCapability.deserialize,
     tmailContactCapabilityIdentifier: AutocompleteCapability.deserialize,
     linagoraDownloadAllCapability: DownloadAllCapability.deserialize,
+    capabilityServerSettings: SettingsCapability.deserialize,
   };
 
   Map<String, dynamic> toJson() {
@@ -139,4 +141,12 @@ extension SessionExtensions on Session {
       return false;
     }
   }
+
+  bool isLanguageReadOnly(AccountId accountId) {
+    final settingsCapability = getCapabilityProperties<SettingsCapability>(
+      accountId,
+      capabilityServerSettings,
+    );
+    return settingsCapability?.readOnlyProperties?.contains('language') == true;
+  }
 }

lib/features/manage_account/presentation/manage_account_dashboard_controller.dart

@@ -15,6 +15,7 @@ import 'package:rule_filter/rule_filter/capability_rule_filter.dart';
 import 'package:server_settings/server_settings/capability_server_settings.dart';
 import 'package:tmail_ui_user/features/base/action/ui_action.dart';
 import 'package:tmail_ui_user/features/base/reloadable/reloadable_controller.dart';
+import 'package:tmail_ui_user/features/home/domain/extensions/session_extensions.dart';
 import 'package:tmail_ui_user/features/manage_account/domain/state/export_trace_log_state.dart';
 import 'package:tmail_ui_user/features/manage_account/domain/state/get_all_vacation_state.dart';
 import 'package:tmail_ui_user/features/manage_account/domain/state/update_vacation_state.dart';
@@ -235,6 +236,16 @@ class ManageAccountDashBoardController extends ReloadableController {
     }
   }
 
+  bool get isLanguageSettingDisplayed {
+    if (!isServerSettingsCapabilitySupported) return true;
+
+    if (accountId.value == null || sessionCurrent == null) {
+      return false;
+    }
+
+    return !sessionCurrent!.isLanguageReadOnly(accountId.value!);
+  }
+
   bool get isVacationCapabilitySupported {
     if (accountId.value != null && sessionCurrent != null) {
       return CapabilityIdentifier.jmapVacationResponse.isSupported(sessionCurrent!, accountId.value!);

lib/features/manage_account/presentation/manage_account_dashboard_view.dart

@@ -119,7 +119,11 @@ class ManageAccountDashBoardView extends GetWidget<ManageAccountDashBoardControl
         case AccountMenuItem.profiles:
           return ProfilesView(responsiveUtils: controller.responsiveUtils);
         case AccountMenuItem.languageAndRegion:
-          return const LanguageAndRegionView();
+          if (controller.isLanguageSettingDisplayed) {
+            return const LanguageAndRegionView();
+          } else {
+            return const SizedBox.shrink();
+          }
         case AccountMenuItem.emailRules:
           if (controller.isRuleFilterCapabilitySupported){
             return EmailRulesView();

lib/features/manage_account/presentation/menu/manage_account_menu_controller.dart

@@ -46,7 +46,8 @@ class ManageAccountMenuController extends GetxController with ContactSupportMixi
       if (dashBoardController.isVacationCapabilitySupported)
         AccountMenuItem.vacation,
       AccountMenuItem.mailboxVisibility,
-      AccountMenuItem.languageAndRegion
+      if (dashBoardController.isLanguageSettingDisplayed)
+        AccountMenuItem.languageAndRegion,
     ];
     listAccountMenuItem.value = newListMenuSetting;
 

lib/features/manage_account/presentation/menu/settings/settings_first_level_view.dart

@@ -128,17 +128,25 @@ class SettingsFirstLevelView extends GetWidget<SettingsController> {
           subtitle: AppLocalizations.of(context).folderVisibilitySubtitle,
           () => controller.selectSettings(AccountMenuItem.mailboxVisibility)
         ),
-        Divider(
-          color: AppColor.colorDividerHorizontal,
-          height: 1,
-          indent: SettingsUtils.getHorizontalPadding(context, controller.responsiveUtils),
-          endIndent: SettingsUtils.getHorizontalPadding(context, controller.responsiveUtils)
-        ),
-        SettingFirstLevelTileBuilder(
-          AccountMenuItem.languageAndRegion.getName(AppLocalizations.of(context)),
-          AccountMenuItem.languageAndRegion.getIcon(controller.imagePaths),
-          () => controller.selectSettings(AccountMenuItem.languageAndRegion)
-        ),
+        Obx(() {
+          if (!controller.manageAccountDashboardController.isLanguageSettingDisplayed) {
+            return const SizedBox.shrink();
+          }
+
+          return Column(children: [
+            Divider(
+              color: AppColor.colorDividerHorizontal,
+              height: 1,
+              indent: SettingsUtils.getHorizontalPadding(context, controller.responsiveUtils),
+              endIndent: SettingsUtils.getHorizontalPadding(context, controller.responsiveUtils)
+            ),
+            SettingFirstLevelTileBuilder(
+              AccountMenuItem.languageAndRegion.getName(AppLocalizations.of(context)),
+              AccountMenuItem.languageAndRegion.getIcon(controller.imagePaths),
+              () => controller.selectSettings(AccountMenuItem.languageAndRegion)
+            ),
+          ]);
+        }),
         Obx(() {
           if (controller.manageAccountDashboardController.isFcmCapabilitySupported && PlatformInfo.isMobile) {
             return Column(children: [

lib/features/manage_account/presentation/menu/settings/settings_view.dart

@@ -197,7 +197,11 @@ class SettingsView extends GetWidget<SettingsController> {
         case AccountMenuItem.profiles:
           return ProfilesView(responsiveUtils: controller.responsiveUtils);
         case AccountMenuItem.languageAndRegion:
-          return const LanguageAndRegionView();
+          if (controller.manageAccountDashboardController.isLanguageSettingDisplayed) {
+            return const LanguageAndRegionView();
+          } else {
+            return const SizedBox.shrink();
+          }
         case AccountMenuItem.emailRules:
           if (controller.manageAccountDashboardController.isRuleFilterCapabilitySupported) {
             return EmailRulesView();

server_settings/lib/server_settings/capability_server_settings.dart

@@ -1,3 +1,26 @@
 import 'package:jmap_dart_client/jmap/core/capability/capability_identifier.dart';
+import 'package:jmap_dart_client/jmap/core/capability/capability_properties.dart';
+import 'package:json_annotation/json_annotation.dart';
+
+part 'capability_server_settings.g.dart';
 
 final capabilityServerSettings = CapabilityIdentifier(Uri.parse('com:linagora:params:jmap:settings'));
+
+@JsonSerializable()
+class SettingsCapability extends CapabilityProperties {
+  SettingsCapability({this.readOnlyProperties});
+
+  final List<String>? readOnlyProperties;
+
+  factory SettingsCapability.fromJson(Map<String, dynamic> json) =>
+      _$SettingsCapabilityFromJson(json);
+
+  Map<String, dynamic> toJson() => _$SettingsCapabilityToJson(this);
+
+  factory SettingsCapability.deserialize(Map<String, dynamic> json) {
+    return SettingsCapability.fromJson(json);
+  }
+  
+  @override
+  List<Object?> get props => [readOnlyProperties];
+}