TF-3894 Fix blank email content when opening email

lib/features/email/presentation/controller/single_email_controller.dart

@@ -1513,7 +1513,11 @@ class SingleEmailController extends BaseController with AppLoaderMixin {
       return;
     }
 
-    final receiverEmailAddress = _getReceiverEmailAddress(currentEmail!) ?? session!.getOwnEmailAddressOrEmpty();
+    String receiverEmailAddress = _getReceiverEmailAddress(currentEmail!)
+        ?? ownEmailAddress;
+    if (receiverEmailAddress.trim().isEmpty) {
+      receiverEmailAddress = session!.getOwnEmailAddressOrUsername();
+    }
     log('SingleEmailController::_handleSendReceiptToSenderAction():receiverEmailAddress: $receiverEmailAddress');
     final mdnToSender = _generateMDN(context, currentEmail!, receiverEmailAddress);
     final sendReceiptRequest = SendReceiptToSenderRequest(
@@ -1821,10 +1825,13 @@ class SingleEmailController extends BaseController with AppLoaderMixin {
     }
 
     _printEmailButtonState = ButtonState.disabled;
-
+    String accountDisplayName = ownEmailAddress;
+    if (accountDisplayName.trim().isEmpty) {
+      accountDisplayName = session?.getOwnEmailAddressOrUsername() ?? '';
+    }
     consumeState(emailActionReactor.printEmail(
       email,
-      ownEmailAddress: mailboxDashBoardController.ownEmailAddress.value,
+      ownEmailAddress: accountDisplayName,
       emailLoaded: currentEmailLoaded.value!,
     ));
   }
@@ -2324,8 +2331,8 @@ class SingleEmailController extends BaseController with AppLoaderMixin {
 
     listEmailAddressAttendees.addAll(listEmailAddress);
 
-    final currentUserEmail = mailboxDashBoardController.ownEmailAddress.value;
-    final listEmailAddressMailTo = listEmailAddressAttendees.removeInvalidEmails(currentUserEmail);
+    final listEmailAddressMailTo =
+        listEmailAddressAttendees.removeInvalidEmails(ownEmailAddress);
     log('SingleEmailController::handleMailToAttendees: listEmailAddressMailTo = $listEmailAddressMailTo');
     mailboxDashBoardController.openComposer(
       ComposerArguments.fromMailtoUri(listEmailAddress: listEmailAddressMailTo)
@@ -2341,8 +2348,6 @@ class SingleEmailController extends BaseController with AppLoaderMixin {
     }
   }
 
-  String getOwnEmailAddress() => session?.getOwnEmailAddressOrEmpty() ?? '';
-
   void onHtmlContentClippedAction(bool isClipped) {
     log('SingleEmailController::onHtmlContentClippedAction:isClipped = $isClipped');
     isEmailContentClipped.value = isClipped;

lib/features/email/presentation/email_view.dart

@@ -89,7 +89,7 @@ class EmailView extends GetWidget<SingleEmailController> {
                         position: position,
                         responsiveUtils: controller.responsiveUtils,
                         imagePaths: controller.imagePaths,
-                        username: controller.session?.username,
+                        ownEmailAddress: controller.ownEmailAddress,
                         handleEmailAction: (email, action) => controller.handleEmailAction(context, email, action),
                         additionalActions: [],
                         emailIsRead: presentationEmail.hasRead,
@@ -163,7 +163,7 @@ class EmailView extends GetWidget<SingleEmailController> {
                   responsiveUtils: controller.responsiveUtils,
                   emailLoaded: emailLoaded,
                   presentationEmail: currentEmail,
-                  userName: controller.getOwnEmailAddress(),
+                  userName: controller.ownEmailAddress,
                   emailActionCallback: controller.pressEmailAction,
                 );
               }),
@@ -261,7 +261,7 @@ class EmailView extends GetWidget<SingleEmailController> {
             position: position,
             responsiveUtils: controller.responsiveUtils,
             imagePaths: controller.imagePaths,
-            username: controller.session?.username,
+            ownEmailAddress: controller.ownEmailAddress,
             handleEmailAction: (email, action) => controller.handleEmailAction(context, email, action),
             additionalActions: [
               EmailActionType.reply,
@@ -310,10 +310,7 @@ class EmailView extends GetWidget<SingleEmailController> {
                   ),
                 calendarEventReplying: controller.calendarEventProcessing,
                 attendanceStatus: controller.attendanceStatus.value,
-                ownEmailAddress: controller
-                    .mailboxDashBoardController
-                    .ownEmailAddress
-                    .value,
+                ownEmailAddress: controller.ownEmailAddress,
                 onMailtoAttendeesAction: controller.handleMailToAttendees,
                 openEmailAddressDetailAction: (_, emailAddress) => controller.openEmailAddressDialog(emailAddress),
                 isFree: controller.isCalendarEventFree,

lib/features/email/presentation/utils/email_action_reactor/email_action_reactor.dart

@@ -20,7 +20,6 @@ import 'package:flutter/services.dart';
 import 'package:get/get.dart';
 import 'package:jmap_dart_client/jmap/account_id.dart';
 import 'package:jmap_dart_client/jmap/core/session/session.dart';
-import 'package:jmap_dart_client/jmap/core/user_name.dart';
 import 'package:jmap_dart_client/jmap/mail/email/email.dart';
 import 'package:jmap_dart_client/jmap/mail/email/email_address.dart';
 import 'package:jmap_dart_client/jmap/mail/mailbox/mailbox.dart';
@@ -524,7 +523,7 @@ class EmailActionReactor {
     required RelativeRect? position,
     required ResponsiveUtils responsiveUtils,
     required ImagePaths imagePaths,
-    required UserName? username,
+    required String ownEmailAddress,
     required void Function(
       PresentationEmail presentationEmail,
       EmailActionType action,
@@ -541,7 +540,7 @@ class EmailActionReactor {
         EmailActionType.reply,
       if (additionalActions.contains(EmailActionType.forward))
         EmailActionType.forward,
-      if (presentationEmail.getCountMailAddressWithoutMe(username?.value ?? '') > 1 &&
+      if (presentationEmail.getCountMailAddressWithoutMe(ownEmailAddress) > 1 &&
           additionalActions.contains(EmailActionType.replyAll))
         EmailActionType.replyAll,
       if (EmailUtils.isReplyToListEnabled(presentationEmail.listPost ?? '') &&

lib/features/email/presentation/utils/email_utils.dart

@@ -264,4 +264,14 @@ class EmailUtils {
           : attachments.sublist(0, possibleDisplayedCount);
     }
   }
+
+  static String getDomainByEmailAddress(String emailAddress) {
+    try {
+      MailAddress mailAddress = MailAddress.validateAddress(emailAddress);
+      return mailAddress.domain.asString();
+    } catch (e) {
+      logError('EmailUtils::getDomainByEmailAddress:Exception is $e');
+      return '';
+    }
+  }
 }