TF-801 Enable vacation responder setting

lib/features/manage_account/presentation/extensions/datetime_extension.dart

@@ -5,18 +5,26 @@ extension DateTimeExtension on DateTime? {
 
   String formatDate({String pattern = 'yyyy/MM/dd', String locale = 'en_US'}) {
     if (this != null) {
-      return DateFormat(pattern, locale).format(this!.toLocal());
+      return DateFormat(pattern, locale).format(this!);
     } else {
       return '';
     }
   }
+
+  DateTime? applied(TimeOfDay? time) {
+    if (this != null && time != null) {
+      return DateTime.utc(this!.year, this!.month, this!.day, time.hour, time.minute);
+    }
+    return null;
+  }
 }
 
 extension TimeOfDayExtension on TimeOfDay? {
 
   String formatTime(BuildContext context) {
     if (this != null) {
-      return this!.format(context);
+      return MaterialLocalizations.of(context)
+          .formatTimeOfDay(this!, alwaysUse24HourFormat: true);
     }
     return '';
   }

lib/features/manage_account/presentation/extensions/vacation_response_extension.dart

@@ -0,0 +1,26 @@
+
+import 'package:flutter/material.dart';
+import 'package:jmap_dart_client/jmap/mail/vacation/vacation_response.dart';
+import 'package:tmail_ui_user/features/manage_account/presentation/model/vacation/vacation_presentation.dart';
+import 'package:tmail_ui_user/features/manage_account/presentation/model/vacation/vacation_responder_status.dart';
+
+extension VacationResponseExtension on VacationResponse {
+
+  VacationPresentation toVacationPresentation() {
+    return VacationPresentation(
+      status: isEnabled == true
+          ? VacationResponderStatus.activated
+          : VacationResponderStatus.deactivated,
+      startDate: fromDate?.value.toUtc(),
+      startTime: fromDate?.value != null
+          ? TimeOfDay.fromDateTime(fromDate!.value.toUtc())
+          : null,
+      endDate: toDate?.value.toUtc(),
+      endTime: toDate?.value != null
+          ? TimeOfDay.fromDateTime(toDate!.value.toUtc())
+          : null,
+      messageBody: textBody ?? htmlBody,
+      vacationStopEnabled: toDate != null
+    );
+  }
+}