TF-825 Implement download message as eml in presentation layer

lib/features/composer/presentation/extensions/email_action_type_extension.dart

@@ -133,6 +133,8 @@ extension EmailActionTypeExtension on EmailActionType {
         return imagePaths.icUnsubscribe;
       case EmailActionType.archiveMessage:
         return imagePaths.icMailboxArchived;
+      case EmailActionType.downloadMessageAsEML:
+        return imagePaths.icDownloadAttachment;
       default:
         return '';
     }
@@ -152,6 +154,8 @@ extension EmailActionTypeExtension on EmailActionType {
         return AppLocalizations.of(context).unsubscribe;
       case EmailActionType.archiveMessage:
         return AppLocalizations.of(context).archiveMessage;
+      case EmailActionType.downloadMessageAsEML:
+        return AppLocalizations.of(context).downloadMessageAsEML;
       default:
         return '';
     }

lib/features/email/presentation/bindings/email_bindings.dart

@@ -14,6 +14,7 @@ import 'package:tmail_ui_user/features/email/data/repository/email_repository_im
 import 'package:tmail_ui_user/features/email/domain/repository/email_repository.dart';
 import 'package:tmail_ui_user/features/email/domain/usecases/download_attachment_for_web_interactor.dart';
 import 'package:tmail_ui_user/features/email/domain/usecases/download_attachments_interactor.dart';
+import 'package:tmail_ui_user/features/email/domain/usecases/download_message_as_eml_interactor.dart';
 import 'package:tmail_ui_user/features/email/domain/usecases/export_attachment_interactor.dart';
 import 'package:tmail_ui_user/features/email/domain/usecases/get_email_content_interactor.dart';
 import 'package:tmail_ui_user/features/email/domain/usecases/get_stored_email_state_interactor.dart';
@@ -69,7 +70,8 @@ class EmailBindings extends BaseBindings {
       Get.find<GetAllIdentitiesInteractor>(),
       Get.find<StoreOpenedEmailInteractor>(),
       Get.find<ViewAttachmentForWebInteractor>(),
-      Get.find<PrintEmailInteractor>()
+      Get.find<PrintEmailInteractor>(),
+      Get.find<DownloadMessageAsEMLInteractor>(),
     ));
   }
 
@@ -152,6 +154,11 @@ class EmailBindings extends BaseBindings {
         Get.find<DownloadAttachmentForWebInteractor>()));
     Get.lazyPut(() => StoreOpenedEmailInteractor(Get.find<EmailRepository>()));
     Get.lazyPut(() => PrintEmailInteractor(Get.find<EmailRepository>()));
+    Get.lazyPut(() => DownloadMessageAsEMLInteractor(
+      Get.find<EmailRepository>(),
+      Get.find<CredentialRepository>(),
+      Get.find<AccountRepository>(),
+      Get.find<AuthenticationOIDCRepository>()));
     IdentityInteractorsBindings().dependencies();
   }
 

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

@@ -28,6 +28,7 @@ import 'package:tmail_ui_user/features/base/base_controller.dart';
 import 'package:tmail_ui_user/features/base/mixin/app_loader_mixin.dart';
 import 'package:tmail_ui_user/features/composer/presentation/extensions/email_action_type_extension.dart';
 import 'package:tmail_ui_user/features/destination_picker/presentation/model/destination_picker_arguments.dart';
+import 'package:tmail_ui_user/features/email/domain/exceptions/email_exceptions.dart';
 import 'package:tmail_ui_user/features/email/domain/extensions/list_attachments_extension.dart';
 import 'package:tmail_ui_user/features/email/domain/model/detailed_email.dart';
 import 'package:tmail_ui_user/features/email/domain/model/email_print.dart';
@@ -38,6 +39,7 @@ import 'package:tmail_ui_user/features/email/domain/model/move_to_mailbox_reques
 import 'package:tmail_ui_user/features/email/domain/model/send_receipt_to_sender_request.dart';
 import 'package:tmail_ui_user/features/email/domain/state/download_attachment_for_web_state.dart';
 import 'package:tmail_ui_user/features/email/domain/state/download_attachments_state.dart';
+import 'package:tmail_ui_user/features/email/domain/state/download_message_as_eml_state.dart';
 import 'package:tmail_ui_user/features/email/domain/state/export_attachment_state.dart';
 import 'package:tmail_ui_user/features/email/domain/state/get_email_content_state.dart';
 import 'package:tmail_ui_user/features/email/domain/state/mark_as_email_read_state.dart';
@@ -50,6 +52,7 @@ import 'package:tmail_ui_user/features/email/domain/state/unsubscribe_email_stat
 import 'package:tmail_ui_user/features/email/domain/state/view_attachment_for_web_state.dart';
 import 'package:tmail_ui_user/features/email/domain/usecases/download_attachment_for_web_interactor.dart';
 import 'package:tmail_ui_user/features/email/domain/usecases/download_attachments_interactor.dart';
+import 'package:tmail_ui_user/features/email/domain/usecases/download_message_as_eml_interactor.dart';
 import 'package:tmail_ui_user/features/email/domain/usecases/export_attachment_interactor.dart';
 import 'package:tmail_ui_user/features/email/domain/usecases/get_email_content_interactor.dart';
 import 'package:tmail_ui_user/features/email/domain/usecases/mark_as_email_read_interactor.dart';
@@ -115,6 +118,7 @@ class SingleEmailController extends BaseController with AppLoaderMixin {
   final StoreOpenedEmailInteractor _storeOpenedEmailInteractor;
   final ViewAttachmentForWebInteractor _viewAttachmentForWebInteractor;
   final PrintEmailInteractor _printEmailInteractor;
+  final DownloadMessageAsEMLInteractor _downloadMessageAsEMLInteractor;
 
   CreateNewEmailRuleFilterInteractor? _createNewEmailRuleFilterInteractor;
   SendReceiptToSenderInteractor? _sendReceiptToSenderInteractor;
@@ -154,6 +158,7 @@ class SingleEmailController extends BaseController with AppLoaderMixin {
     this._storeOpenedEmailInteractor,
     this._viewAttachmentForWebInteractor,
     this._printEmailInteractor,
+    this._downloadMessageAsEMLInteractor,
   );
 
   @override
@@ -212,6 +217,8 @@ class SingleEmailController extends BaseController with AppLoaderMixin {
       _showMessageWhenStartingEmailPrinting();
     } else if (success is PrintEmailSuccess) {
       _handlePrintEmailSuccess(success);
+    } else if (success is StartDownloadMessageAsEML) {
+      _showMessageWhenStartingDownloadMessageAsEML();
     }
   }
 
@@ -1118,6 +1125,9 @@ class SingleEmailController extends BaseController with AppLoaderMixin {
       case EmailActionType.printAll:
         _printEmail(context, presentationEmail);
         break;
+      case EmailActionType.downloadMessageAsEML:
+        _downloadMessageAsEML(presentationEmail);
+        break;
       default:
         break;
     }
@@ -1671,4 +1681,39 @@ class SingleEmailController extends BaseController with AppLoaderMixin {
      )
    );
   }
+
+  void _downloadMessageAsEML(PresentationEmail presentationEmail) {
+    final accountId = mailboxDashBoardController.accountId.value;
+    final session = mailboxDashBoardController.sessionCurrent;
+
+    if (accountId == null || session == null) {
+      consumeState(Stream.value(Left(DownloadMessageAsEMLFailure(NotFoundSessionException()))));
+      return;
+    }
+
+    final blobId = presentationEmail.blobId;
+    if (blobId == null) {
+      consumeState(Stream.value(Left(DownloadMessageAsEMLFailure(NotFoundEmailBlobIdException()))));
+      return;
+    }
+
+    final baseDownloadUrl = session.getDownloadUrl(jmapUrl: dynamicUrlInterceptors.jmapUrl);
+
+    consumeState(_downloadMessageAsEMLInteractor.execute(
+      accountId,
+      baseDownloadUrl,
+      blobId,
+      presentationEmail.getEmailTitle()
+    ));
+  }
+
+  void _showMessageWhenStartingDownloadMessageAsEML() {
+    if (currentOverlayContext != null && currentContext != null) {
+      appToast.showToastMessage(
+        currentOverlayContext!,
+        AppLocalizations.of(currentContext!).downloadMessageAsEMLInProgress,
+        leadingSVGIconColor: AppColor.primaryColor,
+        leadingSVGIcon: imagePaths.icDownloadAttachment);
+    }
+  }
 }

lib/features/email/presentation/email_view.dart

@@ -471,6 +471,8 @@ class EmailView extends GetWidget<SingleEmailController> {
         EmailActionType.unsubscribe,
       if (mailboxContain?.isArchive == false)
         EmailActionType.archiveMessage,
+      if (PlatformInfo.isWeb && PlatformInfo.isCanvasKit)
+        EmailActionType.downloadMessageAsEML
     ];
 
     if (position == null) {

lib/features/thread/data/extensions/email_cache_extension.dart

@@ -15,6 +15,7 @@ extension EmailCacheExtension on EmailCache {
   Email toEmail() {
     return Email(
       id: EmailId(Id(id)),
+      blobId: blobId != null ? Id(blobId!) : null,
       keywords: keywords != null
         ? Map.fromIterables(keywords!.keys.map((value) => KeyWordIdentifier(value)), keywords!.values)
         : null,

lib/features/thread/data/extensions/email_extension.dart

@@ -11,6 +11,7 @@ extension EmailExtension on Email {
   EmailCache toEmailCache() {
     return EmailCache(
       id!.id.value,
+      blobId: blobId?.value,
       keywords: keywords?.toMapString(),
       size: size?.value.round(),
       receivedAt: receivedAt?.value,

lib/features/thread/data/model/email_cache.dart

@@ -13,50 +13,54 @@ class EmailCache extends HiveObject with EquatableMixin {
   final String id;
 
   @HiveField(1)
-  final Map<String, bool>? keywords;
+  final String? blobId;
 
   @HiveField(2)
-  final int? size;
+  final Map<String, bool>? keywords;
 
   @HiveField(3)
-  final DateTime? receivedAt;
+  final int? size;
 
   @HiveField(4)
-  final bool? hasAttachment;
+  final DateTime? receivedAt;
 
   @HiveField(5)
-  final String? preview;
+  final bool? hasAttachment;
 
   @HiveField(6)
-  final String? subject;
+  final String? preview;
 
   @HiveField(7)
-  final DateTime? sentAt;
+  final String? subject;
 
   @HiveField(8)
-  final List<EmailAddressHiveCache>? from;
+  final DateTime? sentAt;
 
   @HiveField(9)
-  final List<EmailAddressHiveCache>? to;
+  final List<EmailAddressHiveCache>? from;
 
   @HiveField(10)
-  final List<EmailAddressHiveCache>? cc;
+  final List<EmailAddressHiveCache>? to;
 
   @HiveField(11)
-  final List<EmailAddressHiveCache>? bcc;
+  final List<EmailAddressHiveCache>? cc;
 
   @HiveField(12)
-  final List<EmailAddressHiveCache>? replyTo;
+  final List<EmailAddressHiveCache>? bcc;
 
   @HiveField(13)
-  Map<String, bool>? mailboxIds;
+  final List<EmailAddressHiveCache>? replyTo;
 
   @HiveField(14)
+  Map<String, bool>? mailboxIds;
+
+  @HiveField(15)
   Map<String, String?>? headerCalendarEvent;
 
   EmailCache(
     this.id,
     {
+      this.blobId,
       this.keywords,
       this.size,
       this.receivedAt,
@@ -77,6 +81,7 @@ class EmailCache extends HiveObject with EquatableMixin {
   @override
   List<Object?> get props => [
     id,
+    blobId,
     subject,
     from,
     to,

lib/features/thread/domain/constants/thread_constants.dart

@@ -8,6 +8,7 @@ class ThreadConstants {
   static final defaultLimit = UnsignedInt(maxCountEmails);
   static final propertiesDefault = Properties({
     EmailProperty.id,
+    EmailProperty.blobId,
     EmailProperty.subject,
     EmailProperty.from,
     EmailProperty.to,
@@ -29,6 +30,7 @@ class ThreadConstants {
 
   static final propertiesQuickSearch = Properties({
     EmailProperty.id,
+    EmailProperty.blobId,
     EmailProperty.subject,
     EmailProperty.from,
     EmailProperty.to,
@@ -53,6 +55,7 @@ class ThreadConstants {
 
   static final propertiesGetDetailedEmail = Properties({
     EmailProperty.id,
+    EmailProperty.blobId,
     EmailProperty.subject,
     EmailProperty.from,
     EmailProperty.to,
@@ -74,6 +77,7 @@ class ThreadConstants {
 
   static final propertiesCalendarEvent = Properties({
     EmailProperty.id,
+    EmailProperty.blobId,
     EmailProperty.subject,
     EmailProperty.from,
     EmailProperty.to,

lib/l10n/intl_messages.arb

@@ -1,5 +1,5 @@
 {
-  "@@last_modified": "2024-04-19T16:31:35.757887",
+  "@@last_modified": "2024-05-07T16:16:03.932801",
   "initializing_data": "Initializing data...",
   "@initializing_data": {
     "type": "text",
@@ -3695,5 +3695,17 @@
     "type": "text",
     "placeholders_order": [],
     "placeholders": {}
+  },
+  "downloadMessageAsEML": "Download message as EML",
+  "@downloadMessageAsEML": {
+    "type": "text",
+    "placeholders_order": [],
+    "placeholders": {}
+  },
+  "downloadMessageAsEMLInProgress": "Download message as EML in progress",
+  "@downloadMessageAsEMLInProgress": {
+    "type": "text",
+    "placeholders_order": [],
+    "placeholders": {}
   }
 }

lib/main/localizations/app_localizations.dart

@@ -3851,4 +3851,18 @@ class AppLocalizations {
       name: 'noSuitableBrowserForOIDC'
     );
   }
+
+  String get downloadMessageAsEML {
+    return Intl.message(
+      'Download message as EML',
+      name: 'downloadMessageAsEML',
+    );
+  }
+
+  String get downloadMessageAsEMLInProgress {
+    return Intl.message(
+      'Download message as EML in progress',
+      name: 'downloadMessageAsEMLInProgress'
+    );
+  }
 }

model/lib/email/email_action_type.dart

@@ -27,5 +27,6 @@ enum EmailActionType {
   unsubscribe,
   composeFromUnsubscribeMailtoLink,
   archiveMessage,
-  printAll
+  printAll,
+  downloadMessageAsEML
 }

model/lib/email/email_property.dart

@@ -1,6 +1,7 @@
 
 class EmailProperty {
   static const String id = 'id';
+  static const String blobId = 'blobId';
   static const String keywords = 'keywords';
   static const String size = 'size';
   static const String receivedAt = 'receivedAt';

model/lib/email/presentation_email.dart

@@ -1,6 +1,7 @@
 
 import 'package:core/presentation/extensions/string_extension.dart';
 import 'package:equatable/equatable.dart';
+import 'package:jmap_dart_client/jmap/core/id.dart';
 import 'package:jmap_dart_client/jmap/core/unsigned_int.dart';
 import 'package:jmap_dart_client/jmap/core/utc_date.dart';
 import 'package:jmap_dart_client/jmap/mail/email/email.dart';
@@ -21,6 +22,7 @@ import 'package:model/mailbox/select_mode.dart';
 class PresentationEmail with EquatableMixin {
 
   final EmailId? id;
+  final Id? blobId;
   final Map<KeyWordIdentifier, bool>? keywords;
   final UnsignedInt? size;
   final UTCDate? receivedAt;
@@ -44,6 +46,7 @@ class PresentationEmail with EquatableMixin {
 
   PresentationEmail({
     this.id,
+    this.blobId,
     this.keywords,
     this.size,
     this.receivedAt,
@@ -142,6 +145,7 @@ class PresentationEmail with EquatableMixin {
   @override
   List<Object?> get props => [
     id,
+    blobId,
     keywords,
     size,
     receivedAt,